publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
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2008-02-20 | In-plane current-voltage characteristics and oscillatory Josephson-vortex flow resistance in La-free Bi$_{2+x}$Sr$_{2-x}$CuO$_{6+δ}$ single crystals in high magnetic fields | We have investigated the in-plane $I(V)$ characteristics and the Josephson
vortex flow resistance in high-quality La-free
Bi$_{2+x}$Sr$_{2-x}$CuO$_{6+\delta}$ (Bi2201) single crystals in parallel and
tilted magnetic fields at temperatures down to 40 mK. For parallel magnetic
fields below the resistive upper critical fi... | 0802.2791v1 |
2009-06-01 | Phase study of oscillatory resistances in microwave-irradiated- and dark- GaAs/AlGaAs devices: Indications of a new class of integral quantum Hall effect | We report the experimental results from a dark study and a photo-excited
study of the high mobility GaAs/AlGaAs system at large filling factors, $\nu$.
At large-$\nu$, the dark study indicates several distinct phase relations
("Type-1", "Type-2", and "Type-3") between the oscillatory diagonal- and Hall-
resistances, as... | 0906.0032v1 |
2016-10-19 | Pressure induced superconductivity in Bi single crystals | Measurements on resistivity and magnetic susceptibility have been carried out
for Bi single crystals under pressures up to 10.5GPa. The temperature dependent
resistivity shows a semimetallic behavior at ambient and low pressures (below
about 1.6GPa). This is followed by an upturn of resistivity in low temperature
regio... | 1610.06062v1 |
2021-01-14 | Effects of resistivity on standing shocks in low angular momentum flows around black holes | We study two dimensional low angular momentum flow around the black hole
using the resistive magnetohydrodynamic module of PLUTO code. Simulations have
been performed for the flows with parameters of specific angular momentum,
specific energy, and magnetic field which may be expected for the flow around
Sgr A*. For flo... | 2101.05474v2 |
2014-06-19 | AC loss and coupling currents in YBCO coated conductors with varying number of filaments | Striation of HTS coated conductors (CCs) as a way to reduce their
magnetization AC losses has been the subject of intense research in the past
years by several groups. While the principle of this approach is well
understood, its practical application on commercial material to be used in
power application is still far t... | 1406.4990v2 |
2017-09-21 | Electrical properties of single crystal Yttrium Iron Garnet ultra-thin films at high temperatures | We report a study on the electrical properties of 19 nm thick Yttrium Iron
Garnet (YIG) films grown by liquid phase epitaxy. The electrical conductivity
and Hall coefficient are measured in the high temperature range [300,400]~K
using a Van der Pauw four-point probe technique. We find that the electrical
resistivity de... | 1709.07207v1 |
2020-04-01 | Perovskite-type cobalt oxide at the multiferroic Co/Pb Zr$_{0.2}$Ti$_{0.8}$O$_{3}$ interface | Magnetic Tunnel Junctions whose basic element consists of two ferromagnetic
electrodes separated by an insulating non-magnetic barrier have become
intensely studied and used in non-volatile spintronic devices. Since ballistic
tunnel of spin-polarized electrons sensitively depends on the chemical
composition and the ato... | 2004.00489v1 |
2020-05-26 | Influence of Different Surface Morphologies on the Performance of High Voltage, Low Resistance Diamond Schottky Diodes | Vertical diamond Schottky diodes with blocking voltages $V_{\text{BD}} > 2.4
\text{ kV}$ and on-resistances $R_{\text{On}} < 400 \text{ m}\Omega
\text{cm}^{2}$ were fabricated on homoepitaxially grown diamond layers with
different surface morphologies. The morphology (smooth as-grown, hillock-rich,
polished) influences... | 2005.12591v1 |
2023-11-21 | Evidence of filamentary superconductivity in pressurized La3Ni2O7 | Recently, the signatures of superconductivity near 80 K have been discovered
in the single crystal of La3Ni2O7 under pressure, which makes it a new
candidate of the high-temperature superconductors dominated by 3d transition
elements after the cuprate and iron-pnictide superconductors, and thus has
attracted significan... | 2311.12361v2 |
2024-03-01 | Electrochemical Evaluation of Mg and a Mg-Al 5%Zn Metal Rich Primers for Protection of Al-Zn-Mg-Cu Alloy in NaCl | High purity magnesium and a Mg-Al 5wt% Zn metal rich primer (MRP) were
compared for their ability to suppress intergranular corrosion (IGC) and
intergranular stress corrosion cracking (IG-SCC) in peak aged AA 7075-T651 by
sacrificial anode-based cathodic prevention. Tests were conducted in 0.6 M NaCl
solution under ful... | 2403.00610v1 |
2007-09-14 | High pressure study on the strong-coupling superconductivity in non-centrosymmetric compound CeIrSi_3 | We have carried out high pressure experiment on the pressure-induced
superconductor CeIrSi$_3$ without inversion center. The electrical resistivity
and ac heat capacity were measured in the same run for the same sample. The
critical pressure of the antiferromagnetic state was determined to be $P_{\rm
c}$ = 2.25 GPa. Th... | 0709.2199v1 |
2016-06-09 | Ternary borides Nb$_7$Fe$_3$B$_8$ and Ta$_7$Fe$_3$B$_8$ with Kagome-type iron framework | Two new ternary borides $TM$$_7$Fe$_3$B$_8$ ($TM$ = Nb, Ta) were synthesized
by high-temperature thermal treatment of samples obtained by arc-melting. This
new type of structure with space group $P$6/$mmm$, comprises $TM$ slabs
containing isolated planar hexagonal [B$_6$] rings and iron centered $TM$
columns in a Kagom... | 1606.03123v1 |
2020-01-24 | Quantum transport in topological surface states of Bi$_2$Te$_3$ nanoribbons | Quasi-1D nanowires of topological insulators are emerging candidate
structures in superconductor hybrid architectures for the realization of
Majorana fermion based quantum computation schemes. It is however technically
difficult to both fabricate as well as identify the 1D limit of topological
insulator nanowires. Here... | 2001.09028v1 |
2020-06-01 | PrVO$_4$ under High Pressure: Effects on Structural, Optical and Electrical Properties | In pursue of a systematic characterization of rare-earth vanadates under
compression, in this work we present a multifaceted study of the phase behavior
of zircon-type orthovanadate PrVO$_4$ under high pressure conditions, up until
24 GPa. We have found that PrVO$_4$ undergoes a zircon to monazite transition
at around ... | 2006.01299v2 |
2024-04-04 | Electronic transport, metal-insulator transition, and Wigner crystallization in transition metal dichalcogenide monolayers | Two recent electronic transport experiments from Columbia University and
Harvard University have reported record high mobility and low channel densities
in transition metal dichalcogenide (TMD) WSe$_2$ monolayers [J. Pack, et al.,
arXiv:2310.19782; A. Y. Joe, et al., Phys. Rev. Lett. 132, 056303 (2024)]. A
two-dimensio... | 2404.03488v1 |
2005-06-08 | X-ray Diagnostics of Grain Depletion in Matter Accreting onto T Tauri Stars | Recent analysis of high resolution Chandra X-ray spectra has shown that the
Ne/O abundance ratio is remarkably constant in stellar coronae. Based on this
result, we point out the utility of the Ne/O ratio as a discriminant for
accretion-related X-rays from T Tauri stars, and for probing the measure of
grain-depletion o... | 0506185v1 |
2003-02-13 | Electronic phase separation in the rare earth manganates, (La1-xLnx)0.7Ca0.3MnO3 (Ln = Nd, Gd and Y) | All the three series of manganates showsaturation magnetization
characteristic of ferromagnetism, with the ferromagnetic Tc decreasing with
increasing in x up to a critical value of x, xc (xc = 0.6, 0.3, 0.2
respectively for Nd, Gd, Y). For x > xc, the magnetic moments are considerably
smaller showing a small increase ... | 0302268v1 |
2003-03-21 | Independent Electronic and Magnetic Doping in (Ga,Mn)As Based Digital Ferromagnetic Heterostructures | Ferromagnetic semiconductors promise the extension of metal-based spintronics
into a material system that combines widely tunable electronic, optical, and
magnetic properties. Here, we take steps towards realizing that promise by
achieving independent control of electronic doping in the ferromagnetic
semiconductor (Ga,... | 0303461v1 |
2006-02-26 | Physical properties and magnetic structure of TbRhIn5 intermetallic compound | In this work we report the physical properties of the new intermetallic
compound TbRhIn5 investigated by means of temperature dependent magnetic
susceptibility, electrical resistivity, heat-capacity and resonant x-ray
magnetic diffraction experiments. TbRhIn5 is an intermetallic compound that
orders antiferromagnetical... | 0602612v1 |
2006-06-28 | Dielectric anomaly at the orbital order-disorder transition in LaMnO_(3+delta) | We report a novel dielectric anomaly around the Jahn-Teller orbital
order-disorder transition temperature T_JT in LaMnO_(3+delta). The transition
has been characterized by resistivity (rho)versus temperature (T), calorimetry,
and temperature-dependent X-ray diffraction studies. Measurements of complex
dielectric permit... | 0606731v1 |
2003-10-07 | Role of Oxygen and Carbon Impurities in the Radiation Resistance of Silicon Detectors | The influence of oxygen and carbon impurities on the concentrations of
defects in silicon for detector uses, in complex fields of radiation (proton
cosmic field at low orbits around the Earth, at Large Hadron Collider and at
the next generation of accelerators as Super-LHC) is investigated in the frame
of the quantitat... | 0310032v1 |
2009-01-22 | Signal height in silicon pixel detectors irradiated with pions and protons | Pixel detectors are used in the innermost part of multi purpose experiments
at the Large Hadron Collider (LHC) and are therefore exposed to the highest
fluences of ionising radiation, which in this part of the detectors consists
mainly of charged pions. The radiation hardness of the detectors has thoroughly
been tested... | 0901.3422v1 |
2012-04-17 | Beta-Ag2Te: A topological insulator with strong anisotropy | We present evidence of topological surface states in beta-Ag2Te through
first-principles calculations and periodic quantum interference effect in
single crystalline nanoribbon. Our first-principles calculations show that
beta-Ag2Te is a topological insulator with a gapless Dirac cone with strong
anisotropy. To experime... | 1204.3816v6 |
2012-09-16 | Glass-like recovery of antiferromagnetic spin ordering and dimensional crossover in a photo-excited manganite Pr$_{0.7}$Ca$_{0.3}$MnO$_3$ | Electronic orderings of charges, orbitals and spins are observed in many
strongly correlated electron materials, and revealing their dynamics is a
critical step toward understanding the underlying physics of important emergent
phenomena. Here we use time-resolved resonant soft x-ray scattering
spectroscopy to probe the... | 1209.3452v2 |
2013-05-30 | Kelvin Probe Microscopy and Electronic Transport Measurements in Reduced Graphene Oxide Chemical Sensors | Reduced Graphene Oxide (RGO) is an electronically hybrid material that
displays remarkable chemical sensing properties. Here, we present a
quantitative analysis of the chemical gating effects in RGO-based chemical
sensors. The gas sensing devices are patterned in a field-effect transistor
geometry, by dielectrophoretic... | 1305.7222v1 |
2014-04-02 | Direct observation of the leakage current in epitaxial diamond Schottky barrier devices by conductive-probe atomic force microscopy and Raman imaging | The origin of the high leakage current measured in several vertical-type
diamond Schottky devices is conjointly investigated by conducting probe atomic
force microscopy (CP-AFM) and confocal micro-Raman/Photoluminescence (PL)
imaging analysis. Local areas characterized by a strong decrease of the local
resistance (5-6 ... | 1404.0472v2 |
2014-09-20 | Crystallization characteristics and chemical bonding properties of nickel carbide thin film nanocomposites | The crystal structure and chemical bonding of magnetron-sputtering deposited
nickel carbide Ni$_{1-x}$C$_{x}$ (0.05$\leq$x$\leq$0.62) thin films have been
investigated by high-resolution X-ray diffraction, transmission electron
microscopy, X-ray photoelectron spectroscopy, Raman spectroscopy, and soft
X-ray absorption ... | 1409.5912v1 |
2015-03-04 | Signature of strong spin-orbital coupling in the large non-saturating magnetoresistance material WTe2 | We report the detailed electronic structure of WTe$_2$ by high resolution
angle-resolved photoemission spectroscopy. Unlike the simple one electron plus
one hole pocket type of Fermi surface topology reported before, we resolved a
rather complicated Fermi surface of WTe$_2$. Specifically, there are totally
nine Fermi p... | 1503.01422v1 |
2015-11-03 | Two-dimensional epitaxial superconductor-semiconductor heterostructures: A platform for topological superconducting networks | Progress in the emergent field of topological superconductivity relies on
synthesis of new material combinations, combining superconductivity, low
density, and spin-orbit coupling (SOC). For example, theory [1-4] indicates
that the interface between a one-dimensional (1D) semiconductor (Sm) with
strong SOC and a superc... | 1511.01127v2 |
2015-11-08 | Real-time Stress Measurements in Germanium Thin Film Electrodes during Electrochemical Lithiation/delithiation Cycling | An in situ study of stress evolution and mechanical behavior of germanium as
a lithium-ion battery electrode material is presented. Thin films of germanium
are cycled in a half-cell configuration with lithium metal foil as
counter/reference electrode, with 1M LiPF6 in ethylene carbonate, diethyl
carbonate, dimethyl car... | 1511.02442v1 |
2016-02-03 | Full range of proximity effect probed with Superconductor/Graphene/Superconductor junctions | The high tunability of the density of states of graphene makes it an ideal
probe of quantum transport in different regimes. In particular, the
supercurrent that can flow through a non-superconducting (N) material connected
to two superconducting electrodes, crucially depends on the lenghth of the N
relative to the supe... | 1602.01489v1 |
2016-02-16 | An Integrated Tantalum Sulfide - Boron Nitride - Graphene Oscillator: A Charge-Density-Wave Device Operating at Room Temperature | The charge-density-wave (CDW) phase is a macroscopic quantum state consisting
of a periodic modulation of the electronic charge density accompanied by a
periodic distortion of the atomic lattice in quasi-1D or layered 2D metallic
crystals. Several layered transition metal dichalcogenides, such as 1T-TaSe2,
1T-TaS2 and ... | 1602.05147v1 |
2016-05-05 | Structural, optical and complex impedance spectroscopy study of multiferroic Bi2Fe4O9 ceramic | Multiferroic bismuth ferrite Bi_2Fe_4O_9 (BFO) ceramic was synthesized by
conventional solid state reaction route. X-ray diffraction and Rietveld
refinement show formation of single phase ceramic with orthorhombic crystal
structure (space group Pbam). The morphological study depicted a well-defined
grain of size $\sime... | 1605.01574v1 |
2016-08-24 | Engineering quantum spin Hall insulators by strained-layer heterostructures | Quantum spin Hall insulators (QSHIs), also known as two-dimensional
topological insulators, have emerged as an unconventional class of quantum
states with insulating bulk and conducting edges originating from nontrivial
inverted band structures, and have been proposed as a platform for exploring
spintronics application... | 1608.06751v2 |
2016-11-29 | Magnetoelectric effect in antiferromagnetic multiferroic Pb(Fe1/2Nb1/2)O3 and its solid solutions with PbTiO3 | Antiferromagnets (AFMs) are presently considered as promising materials for
applications in spintronics and random access memories due to the robustness of
information stored in AFM state against perturbing magnetic fields (P. Wadley
et al., Science 351, 587 (2016)). In this respect, AFM multiferroics maybe
attractive ... | 1611.09899v1 |
2017-11-21 | Nanofeatures Induced by Severe Shot Peening (SSP) on Magnesium Alloy AZ31 | Considering the sensitivity of both fatigue strength and corrosion rate to
the surface characteristics, apposite surface treatments could address the
related challenges for biodegradable magnesium-based materials. Herein, we
treated the surface of a biocompatible magnesium alloy by a low cost and
versatile severe plast... | 1712.02834v1 |
2017-12-13 | Quantum effects on dislocation motion from Ring-Polymer Molecular Dynamics | Quantum motion of atoms known as zero-point vibrations is recognized to be
important at low temperatures in condensed matter systems comprised of light
atoms or ions, affecting such properties and behaviors as proton-transfer
reactions, vibrational spectra of water and ice, and mechanical properties of
low temperature ... | 1712.04629v2 |
2018-02-06 | Quasiparticle dynamics in granular aluminum close to the superconductor to insulator transition | Superconducting high kinetic inductance elements constitute a valuable
resource for quantum circuit design and millimeter-wave detection. Granular
aluminum (GrAl) in the superconducting regime is a particularly interesting
material since it has already shown a kinetic inductance in the range of
nH$/\Box$ and its deposi... | 1802.01858v2 |
2018-01-06 | Apically Dominant Mechanism for Improving Catalytic Activities of N-Doped Carbon Nanotube Arrays in Rechargeable Zinc-Air Battery | The oxygen reduction (ORR) and oxygen evolution reactions (OER) in Zn-air
batteries (ZABs) require highly efficient, cost-effective and stable
electrocatalysts as replacements to traditionally high cost, inconsistently
stable and low poison resistant Platinum group metals (PGM) catalysts.
Although, nitrogen-doped carbo... | 1802.02063v1 |
2018-03-06 | Magic-angle graphene superlattices: a new platform for unconventional superconductivity | The understanding of strongly-correlated materials, and in particular
unconventional superconductors, has puzzled physicists for decades. Such
difficulties have stimulated new research paradigms, such as ultra-cold atom
lattices for simulating quantum materials. Here we report on the realization of
intrinsic unconventi... | 1803.02342v2 |
2018-03-31 | The Role of Crystal Orientation in the Dissolution of UO$_2$ Thin Films | Epitaxial thin films have been utilised to investigate the radiolytic
dissolution of uranium dioxide interfaces. Thin films of UO$_2$ deposited on
single crystal yttria stabilised zirconia substrates have been exposed to water
in the presence of a high flux, monochromatic, synchrotron x-ray source. In
particular, this ... | 1804.00201v1 |
2018-05-24 | Impact of thermal fluctuations on transport in antiferromagnetic semimetals | Recent demonstrations on manipulating antiferromagnetic (AF) order have
triggered a growing interest in antiferromagnetic metal (AFM), and potential
high-density spintronic applications demand further improvements in the
anisotropic magnetoresistance (AMR). The antiferromagnetic semimetals (AFS) are
newly discovered ma... | 1805.09826v1 |
2018-09-03 | Imparting icephobicity with substrate flexibility | Ice accumulation hinders the performance of, and poses safety threats for
infrastructure both on the ground and in the air. Previously, rationally
designed superhydrophobic surfaces have demonstrated some potential as a
passive means to mitigate ice accretion; however, further studies on material
solutions that reduce ... | 1809.00490v1 |
2018-11-12 | Antiferromagnet-based spintronic functionality by controlling isospin domains in a layered perovskite iridate | The novel electronic state of the canted antiferromagnetic (AFM) insulator,
strontium iridate (Sr2IrO4) has been well described by the spin-orbit-entangled
isospin Jeff = 1/2, but the role of isospin in transport phenomena remains
poorly understood. In this study, antiferromagnet-based spintronic
functionality is demon... | 1811.04562v1 |
2018-11-30 | Spin Gapless Semiconducting Nature in Co-rich Co1+xFe1-xCrGa: Insight and Advancements | In this report, we present structural, electronic, magnetic and transport
properties of Co-rich spin gapless semiconductor CoFeCrGa using both
theoretical and experimental techniques. The key advantage of Co-rich samples
$\mathrm{Co_{1+x}Fe_{1-x}CrGa}$ is the high Curie temperature (T$\mathrm{_C}$)
and magnetization, w... | 1811.12684v1 |
2019-09-24 | Spin-transfer dynamics in MgO-based magnetic tunnel junctions with an out-of-plane magnetized free layer and an in-plane polarizer | Here, we present an analytical and numerical model describing the
magnetization dynamics in MgO-based spin-torque nano-oscillators with an
in-plane magnetized polarizer and an out-of-plane free layer. We introduce the
spin-transfer torque asymmetry by considering the cosine angular dependence of
the resistance between ... | 1909.10983v1 |
2020-03-16 | Unconventional Hall response in the quantum limit of HfTe5 | Interacting electrons confined to their lowest Landau level in a high
magnetic field can form a variety of correlated states, some of which manifest
themselves in a Hall effect. Although such states have been predicted to occur
in three dimensional semimetals, a corresponding Hall response has not yet been
experimental... | 2003.07213v3 |
2017-03-07 | Fast multicolor photodetectors based on graphene-contacted p-GaSe/n-InSe van der Waals heterostructures | The integration of different two-dimensional materials within a multilayer
van der Waals (vdW) heterostructure offers a promising technology for realizing
high performance opto-electronic devices such as photodetectors and light
sources1-3. Transition metal dichalcogenides, e.g. MoS2 and WSe2, have been
employed as the... | 1703.02534v1 |
2017-03-28 | Co-appearance of superconductivity and ferromagnetism in a Ca$_2$RuO$_4$ nanofilm crystal | By tuning the physical and chemical pressures of layered perovskite materials
we can realize the quantum states of both superconductors and insulators. By
reducing the thickness of a layered crystal to a nanometer level, a nanofilm
crystal can provide novel quantum states that have not previously been found in
bulk cry... | 1703.09459v2 |
2018-10-16 | The superconductor-superinsulator transition: S-duality and QCD on the desktop | We show that the nature of quantum phases around the superconductor-insulator
transition (SIT) is controlled by charge-vortex topological interactions and
does not depend on the details of material parameters and disorder. We find
three distinct phases, superconductor, superinsulator and bosonic topological
insulator. ... | 1810.06862v1 |
2020-04-14 | Intrinsically Activated SrTiO3: Photocatalytic H2 Evolution from Neutral Aqueous Methanol Solution in the Absence of Any Noble Metal Cocatalyst | Noble metal cocatalysts are conventionally a crucial factor in
oxide-semiconductor-based photocatalytic hydrogen generation. In the present
work, we show that optimized high-temperature hydrogenation of commercially
available strontium titanate (SrTiO3) powder can be used to engineer an
intrinsic cocatalytic shell arou... | 2004.06573v1 |
2022-02-10 | Dynamics of Multi-Domains in Ferroelectric Tunnel Junction | The Discovery of giant tunnel electroresistance (TER) in Ferroelectric Tunnel
Junction (FTJ) paves a futuristic possibility of utilizing the FTJ as a
bistable resistive device with an enormously high ON/OFF ratio. In the last 20
years, numerous studies have reported that the formation of multidomain in
ferroelectric ma... | 2202.04926v1 |
2022-02-15 | A Ta-TaS2 monolithic catalyst with robust and metallic interface for superior hydrogen evolution | The use of highly active and robust catalysts is crucial for producing green
hydrogen by water electrolysis as we strive to achieve global carbon
neutrality. Noble metals like platinum are currently used in industry for the
hydrogen evolution reaction (HER), but suffer from scarcity, high price and
unsatisfied performa... | 2202.07339v1 |
2017-04-19 | Potential Fluctuations at Low Temperatures in Mesoscopic-Scale SmTiO$_{3}$/SrTiO$_{3}$/SmTiO$_{3}$ Quantum Well Structures | Heterointerfaces of SrTiO$_{3}$ with other transition metal oxides make up an
intriguing family of systems with a bounty of coexisting and competing physical
orders. Some examples, such as LaAlO$_{3}$/SrTiO$_{3}$, support a high carrier
density electron gas at the interface whose electronic properties are
determined by... | 1704.05744v1 |
2017-08-06 | Electrical transport and optical band gap of NiFe$_\textrm{2}$O$_\textrm{x}$ thin films | We fabricated NiFe$_\textrm{2}$O$_\textrm{x}$ thin films on
MgAl$_2$O$_4$(001) substrates by reactive dc magnetron co-sputtering varying
the oxygen partial pressure during deposition. The fabrication of a variable
material with oxygen deficiency leads to controllable electrical and optical
properties which would be ben... | 1708.01937v1 |
2019-03-05 | All-optical cryogenic thermometry based on NV centers in nanodiamonds | The nitrogen-vacancy (NV) center in diamond has been recognized as a
high-sensitivity nanometer-scale metrology platform. Thermometry has been a
recent focus, with attention largely confined to room temperature applications.
Thermometry has been a recent focus, with attention largely confined to room
temperature applic... | 1903.01605v1 |
2021-01-03 | 3D Fluorescent Mapping of Invisible Molecular Damage after Cavi-tation in Hydrogen Exposed Elastomers | Elastomers saturated with gas at high pressure suffer from cavity nucleation,
inflation, and deflation upon rapid or explosive de-compression. Although this
process often results in undetectable changes in appearance, it causes internal
damage, hampers func-tionality (e.g., permeability), and shortens lifetime.
Here, w... | 2101.00709v2 |
2021-01-28 | Macroscopic yarns of FeCl$_{3}$-intercalated collapsed carbon nano-tubes with high doping and stability | Macroscopic arrays of highly crystalline nanocarbons offer the possibility of
modifying the electronic structure of their low dimensional constituents, for
example through doping, and studying the resulting collective bulk behaviour.
Insertion of electron donors or acceptors between graphitic layers is an
attractive me... | 2101.12077v1 |
2021-01-29 | Doping isolated one-dimensional antiferro-magnetic semiconductor Vanadium tetrasulfide ($VS_4$) nanowires with carriers induces half-metallicity | Quasi one-dimensional (1D) vanadium tetrasulfide ($VS_4$) nanowires (NWs) are
synthetic semiconductors which combine with each other through Van der Waals
interactions to form bulk phases. However, the properties of these individual
nanowires remain unknown. Nevertheless, our calculations of their stability
indicate th... | 2101.12658v1 |
2016-09-29 | Quantum imaging of current flow in graphene | Since its first isolation in 2004, graphene has been found to host a plethora
of unusual electronic transport phenomena, making it a fascinating system for
fundamental studies in condensed-matter physics as well as offering tremendous
opportunities for future electronic and sensing devices. However, to fully
realise th... | 1609.09208v1 |
2019-01-08 | Quadratic to linear magnetoresistance tuning in TmB4 | The change of a material's electrical resistance (R) in response to an
external magnetic field (B) provides subtle information for the
characterization of its electronic properties and has found applications in
sensor and storage related technologies. In good metals, Boltzmann's theory
predicts a quadratic growth in ma... | 1901.02165v1 |
2019-01-30 | Cathodoluminescence of CdZnSSe crystals synthesized in 19th century bead glass | The article presents an experimental investigation of band-edge
cathodoluminescence of CdZnSSe crystals that nucleated and grew in silicate
glass melt during its production. We have studied Zn-rich red glass made for
manufacture of seed beads in the 19th century and found it to contain CdZnSSe
crystals. Due to colloida... | 1901.10764v3 |
2019-10-21 | Revisiting Effects of Nitrogen Incorporation and Graphitization on Conductivity of Ultra-nano-crystalline Diamond Films | Detailed structural and electrical properties of ultra-nano-crystalline
diamond (UNCD) films grown in H$_\text{2}$/CH$_\text{4}$/N$_\text{2}$ plasma
were systematically studied as a function of deposition temperature ($T_d$) and
nitrogen content ($\%$ N$_2$) to thoroughly evaluate their effects on
conductivity. $T_d$ w... | 1910.09595v1 |
2020-05-28 | Powering Electronic Devices from Salt Gradients in AA Battery-Sized Stacks of Hydrogel-Infused Paper | Strongly electric fish use gradients of ions within their bodies to generate
stunning external electrical discharges; the most powerful of these organisms,
the Atlantic torpedo ray, can produce pulses of over 1 kW from its electric
organs. Despite extensive study of this phenomenon in nature, the development
of artific... | 2005.13775v1 |
2020-06-27 | Controlling local resistance via electric-field induced dislocations | Dislocations are one-dimensional (1D) topological line defects where the
lattice deviates from the perfect crystal structure. The presence of
dislocations transcends condensed matter research and gives rise to a diverse
range of emergent phenomena [1-6], ranging from geological effects [7] to light
emission from diodes... | 2006.15252v1 |
2020-07-13 | Approaching the Practical Conductivity Limits of Aerosol Jet Printed Silver | Previous efforts to directly write conductive metals have been narrowly
focused on nanoparticle ink suspensions that require aggressive sintering (>200
{\deg}C) and result in low-density, small-grained agglomerates with electrical
conductivities <25% of bulk metal. Here, we demonstrate aerosol jet printing of
a reactiv... | 2007.06645v1 |
2020-07-14 | A phase field model for elastic-gradient-plastic solids undergoing hydrogen embrittlement | We present a gradient-based theoretical framework for predicting hydrogen
assisted fracture in elastic-plastic solids. The novelty of the model lies in
the combination of: (i) stress-assisted diffusion of solute species, (ii)
strain gradient plasticity, and (iii) a hydrogen-sensitive phase field fracture
formulation, i... | 2007.07093v1 |
2020-07-16 | Magnetotransport properties of the topological nodal-line semimetal CaCdSn | Topological nodal-line semimetals support protected band crossings which form
nodal lines or nodal loops between the valence and conduction bands and exhibit
novel transport phenomena. Here we address the topological state of the
nodal-line semimetal candidate material, CaCdSn, and report magnetotransport
properties of... | 2007.08156v1 |
2020-07-27 | Thermodynamic and corrosion study of Sm$_{1-x}$Mg$_x$Ni$_y$ (y = 3.5 or 3.8) compounds forming reversible hydrides | AB5 compounds (A = rare earth, B = transition metal) have been widely studied
as anodes for Ni-MH applications. However, they have reached their technical
limitations and the search for new promising materials with high capacity is
foreseen. ABy compounds (2 < y < 5) are good candidates. They are made by
stacking [AB5]... | 2007.13456v1 |
2020-08-12 | Investigation of the lead-free double perovskites Cs2AgSbX6 (X= Cl, Br, I) for optoelectronic and thermoelectric applications | Perovskite compounds have the potential to harvest solar energy as well as
exploit the thermoelectric potential of a number of available materials. Here,
we present the electronic, structural, thermoelectric, and optical properties
of Cs2AgSbX6 (X = Cl, Br, I) perovskite with the help of the density functional
theory (... | 2008.06384v3 |
2020-08-27 | Direct Imaging and Electronic Structure Modulation of Moiré Superlattices at the 2D/3D Interface | The atomic structure at the interface between two-dimensional (2D) and
three-dimensional (3D) materials influences properties such as contact
resistance, photo-response, and high-frequency electrical performance. Moir\'e
engineering is yet to be utilized for tailoring this 2D/3D interface, despite
its success in enabli... | 2008.12215v2 |
2020-10-08 | Microstructure, mechanical properties, corrosion resistance and cytocompatibility of WE43 Mg alloy scaffolds fabricated by laser powder bed fusion for biomedical applications | Open-porous scaffolds of WE43 Mg alloy with a body-center cubic cell pattern
were manufactured by laser powder bed fusion with different strut diameters.
The geometry of the unit cells was adequately reproduced during additive
manufacturing and the porosity within the struts was minimized. The
microstructure of the sca... | 2010.03812v1 |
2020-10-11 | Capping layer influence and isotropic in-plane upper critical field of the superconductivity at the FeSe/SrTiO3 interface | Understanding the superconductivity at the interface of FeSe/SrTiO3 is a
problem of great contemporary interest due to the significant increase in
critical temperature (Tc) compared to that of bulk FeSe, as well as the
possibility of an unconventional pairing mechanism and topological
superconductivity. We report a stu... | 2010.05308v1 |
2020-10-16 | Synthesis of narrow SnTe nanowires using alloy nanoparticles | Topological crystalline insulator tin telluride (SnTe) provides a rich
playground to examine interactions of correlated electronic states, such as
ferroelectricity, topological surface states, and superconductivity. Making
SnTe into nanowires further induces novel electronic states due to
one-dimensional (1D) confineme... | 2010.08078v1 |
2021-02-12 | Universal size-dependent nonlinear charge transport in single crystals of the Mott insulator Ca$_2$RuO$_4$ | The surprisingly low current density required for inducing the insulator to
metal transition has made Ca$_2$RuO$_4$ an attractive candidate material for
developing Mott-based electronics devices. The mechanism driving the resistive
switching, however, remains a controversial topic in the field of strongly
correlated el... | 2102.06556v3 |
2021-02-23 | Huge permittivity and premature metallicity in Bi$_2$O$_2$Se single crystals | Bi$_2$O$_2$Se is a promising material for next-generation semiconducting
electronics. It exhibits premature metallicity on the introduction of a tiny
amount of electrons, the physics behind which remains elusive. Here we report
on transport and dielectric measurements in Bi$_2$O$_2$Se single crystals at
various carrier... | 2102.11451v1 |
2021-04-30 | Local inhomogeneities resolved by scanning probe techniques and their impact on local 2DEG formation in oxide heterostructures | Lateral inhomogeneities in the formation of 2-dimensional electron gases
(2DEG) directly influence their electronic properties. Understanding their
origin is an important factor for fundamental interpretations, as well as high
quality devices. Here, we studied the local formation of the buried 2DEG at
LaAlO3/SrTiO3 (LA... | 2104.14838v1 |
2021-05-04 | Thermal transport in two-dimensional C3N/C2N superlattices: A molecular dynamics approach | Nanostructured superlattices have been the focus of many researchers due to
their physical and manipulatable properties. They aim to find promising
materials for new electronic and thermoelectric devices. In the present study,
we investigate the thermal conductivity of two-dimensional (2D) C3N/ C2N
superlattices using ... | 2105.01378v2 |
2021-07-09 | Lithium-Metal Batteries Using Sustainable Electrolyte Media and Various Cathode Chemistries | Lithium-metal batteries employing concentrated glyme-based electrolytes and
different cathode chemistries are herein evaluated in view of a safe use of the
highly energetic alkali-metal anode. Indeed, diethylene-glycol dimethyl-ether
(DEGDME) and triethylene-glycol dimethyl-ether (TREGDME) dissolving lithium
bis(triflu... | 2107.04446v1 |
2021-08-30 | Realization of A Non-Markov Chain in A Single 2D Crystal RRAM | The non-Markov processes widely exist in thermodymanic processes, while it
usually requires packing of many transistors and memories with great system
complexity in traditional device architecture to minic such functions.
Two-dimensional (2D) material-based resistive random access memory (RRAM)
devices show potential f... | 2108.13244v1 |
2021-09-23 | Creating superconductivity in WB2 through pressure-induced metastable planar defects | High-pressure electrical resistivity measurements reveal that the mechanical
deformation of ultra-hard WB2 during compression induces superconductivity
above 50 GPa with a maximum superconducting critical temperature, Tc of 17 K at
90 GPa. Upon further compression up to 190 GPa, the Tc gradually decreases.
Theoretical ... | 2109.11521v2 |
2021-12-08 | Precise Damage Shaping in Self-Sensing Composites Using Electrical Impedance Tomography and Genetic Algorithms | Fiber-reinforced composites with nanofiller-modified polymer matrices have
immense potential to improve the safety of high-risk engineering structures.
These materials are intrinsically self-sensing because their electrical
conductivity is affected by deformations and damage. This property, known as
piezoresistivity, h... | 2112.04419v2 |
2022-01-10 | $B^2$ to $B$-linear magnetoresistance due to impeded orbital motion | Strange metals exhibit a variety of anomalous magnetotransport properties,
the most striking of which is a resistivity that increases linearly with
magnetic field $B$ over a broad temperature and field range. The ubiquity of
this behavior across a spectrum of correlated metals - both single- and
multi-band, with either... | 2201.03292v1 |
2022-01-12 | Controlled chemical functionalization toward 3D-2D carbon nanohorn-MoS2 heterostructures with enhanced electrocatalytic activity for protons reduction | The realization of novel heterostructures arising from the combination of
nanomaterials is an effective way to modify their physicochemical and
electrocatalytic properties, giving them enhanced characteristics stemming from
their individual constituents. Interfacing carbon nanohorns (CNHs) possessing
high porosity, lar... | 2201.05450v1 |
2022-01-26 | AI-Aided Mapping of the Structure-Composition-Conductivity Relationships of Glass-Ceramic Lithium Thiophosphate Electrolytes | Lithium thiophosphates (LPS) with the composition
(Li$_2$S)$_x$(P$_2$S$_5$)$_{1-x}$ are among the most promising prospective
electrolyte materials for solid-state batteries (SSBs), owing to their
superionic conductivity at room temperature ($>10^{-3}$ S cm$^{-1}$), soft
mechanical properties, and low grain boundary res... | 2201.11203v1 |
2022-03-02 | Emergence of insulating ferrimagnetism and perpendicular magnetic anisotropy in 3d-5d perovskite oxide composite films for insulator spintronic | Magnetic insulators with strong perpendicular magnetic anisotropy (PMA) play
a key role in exploring pure spin current phenomena and developing
ultralow-dissipation spintronic devices, thereby it is highly desirable to
develop new material platforms. Here we report epitaxial growth of
La2/3Sr1/3MnO3 (LSMO)-SrIrO3 (SIO)... | 2203.00818v1 |
2022-04-07 | Spin sensitive transport in a spin liquid material: revealing a robustness of spin anisotropy | Alpha-phase (a-) RuCl_3 has emerged as a prime candidate for a quantum spin
liquid (QSL) that promises exotic quasiparticles relevant for fault-tolerant
quantum computation. Here, we report spin sensitive transport measurements to
probe spin correlation in a-RuCl_3 using a proximal spin Hall metal platinum
(Pt). Both t... | 2204.03158v1 |
2022-06-14 | Probing of large interfacial contribution to spin orbit coupling in CoFeB/Ta heterostructure by ultrafast THz emission spectroscopy | Ultrafast THz radiation generation from ferromagnetic/nonmagnetic bilayer
heterostructure-based spintronic emitters generally exploits the conversion
from spin- to charge-current within the nonmagnetic layer and its interface
with the ferromagnetic layer. Various possible sub-contributions to the
underlying mechanism o... | 2206.06718v2 |
2022-08-04 | Studies on tuning surface electronic properties of hydrogenated diamond by oxygen functionalization | Ultra-wide bandgap and the absence of shallow dopants are the major
challenges in realizing diamond based electronics. However, the surface
functionalization offers an excellent alternative to tune electronic structure
of diamonds. Herein, we report on tuning the surface electronic properties of
hydrogenated polycrysta... | 2208.02465v1 |
2022-09-01 | Four-point bending piezoelectric energy harvester with uniform surface strain toward better energy conversion performance and material usage | Improving the energy conversion efficiency of piezoelectric energy harvesters
is of great importance, and one approach is to make more uniform use of the
working material by ensuring a uniform strain state. To achieve better
performance, this paper presents a four-point bending piezoelectric energy
harvester with exten... | 2209.00252v1 |
2022-09-08 | Observation of strange metal in hole-doped valley-spin insulator | Temperature-linear resistance at low temperatures in strange metals is an
exotic characteristic of strong correlation systems, as observed in high-TC
superconducting cuprates, heavy fermions, Fe-based superconductors, ruthenates,
and twisted bilayer graphene. Here, we introduce a hole-doped valley-spin
insulator, V-dop... | 2209.03672v1 |
2022-09-26 | Study of pnictides for photovoltaic applications | For the transition into a sustainable mode of energy usage, it is important
to develop photovoltaic materials that exhibit better solar-to-electricity
conversion efficiencies, a direct optimal band gap, and made of non-toxic,
earth abundant elements compared to the state-of-the-art silicon photovoltaics.
Here, we explo... | 2209.12458v1 |
2022-09-28 | Dissolution and Recrystallization Behavior of Li3PS4 in Different Organic Solvents | Solid state batteries can be built based on thiophosphate electrolytes such
as beta-Li3PS4. For the preparation of these electrolytes, various
solvent-based routes have been reported. For recycling of end-of-life solid
state batteries based on such thiophosphates, we consider the development of
dissolution and recrysta... | 2209.13955v1 |
2022-11-02 | One-Step Formation of Plasmonic Cu Nanodomains in p-Type Cu$_2$O Matrix Films for Enhanced Photoconversion of n-ZnO/p-Cu$_2$O Heterojunctions | Plasmonic Cu nanoparticles were in-situ grown into a Cu$_2$O semiconductor
matrix by using reactive magnetron sputtering and adjusting the amount of
oxygen available during the synthesis in order to prevent the oxidation of part
of copper atoms landed on the film surface. Varying only the oxygen flowrate
(OFR) and usin... | 2211.01010v1 |
2023-02-25 | Strain-adjustable reflectivity of polyurethane nanofiber membrane for thermal management applications | Passive radiative cooling technologies are highly attractive in pursuing
sustainable development. However, current cooling materials are often static,
which makes it difficult to cope with the varying needs of all-weather thermal
comfort management. Herein, a strategy is designed to obtain flexible
thermoplastic polyur... | 2302.13043v2 |
2023-03-26 | Molecular lighting goes less powering | The present era has seen tremendous demands for low-cost electrochromic
materials for visible-region multicolor display technology, paper-based,
flexible, and wearable electronic devices, smart windows, and optoelectronic
applications. Towards this goal, we report large-scale polyelectrochromic
devices fabricated on ri... | 2303.14648v2 |
2023-04-12 | Potential Major Improvement in Superconductors for High-Field Magnets | Fusion reactors are limited by the magnetic field available to confine their
plasma. The commercial fusion industry uses the larger magnetic field and
higher operating temperature of the cuprate superconductor
$\mathbf{YBa_{2}Cu_{3}O_{7-\delta}}$ (YBCO) in order to confine their plasma
into a dense volume. A supercondu... | 2304.06171v1 |
2023-05-11 | Highly tunable lateral homojunction formed in 2D layered CuInP2S6 via in-plane ionic migration | As basic building blocks for next-generation information technologies
devices, high-quality p-n junctions based on van der Waals (vdW) materials have
attracted widespread interest.Compared to traditional two dimensional (2D)
heterojunction diodes, the emerging homojunctions are more attractive owing to
their intrinsic ... | 2305.06607v1 |
2023-06-26 | Spin-flop quasi metamagnetic, anisotropic magnetic, and electrical transport behavior of Ho substituted kagome magnet ErMn$_6$Sn$_6$ | We report on the magnetic and electrical properties of a (Mn$_3$Sn)$_2$
triangular network kagome structured high quality Ho substituted ErMn$_6$Sn$_6$
single-crystal sample by magneto-transport measurements.
Er$_{0.5}$Ho$_{0.5}$Mn$_6$Sn$_6$ orders antiferromagnetically at N\'{e}el
temperature $T_\mathrm{N} \sim$ 350 K... | 2306.14417v1 |
2023-07-28 | Pressure-induced Superconductivity in Zintl Topological Insulator SrIn2As2 | The Zintl compound AIn2X2 (A = Ca, Sr, and X = P, As), as a theoretically
predicted new non-magnetic topological insulator, requires experiments to
understand their electronic structure and topological characteristics. In this
paper, we systematically investigate the crystal structures and electronic
properties of the ... | 2307.15629v1 |
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