publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2015-01-13 | Phase-change memory function of correlated electrons in organic conductors | Phase-change memory (PCM), a promising candidate for next-generation
non-volatile memories, exploits quenched glassy and thermodynamically stable
crystalline states as reversibly switchable state variables. We demonstrate PCM
functions emerging from a charge-configuration degree of freedom in strongly
correlated electr... | 1501.02873v2 |
2015-01-15 | Optimizing the Optical and Electrical Properties of Graphene Ink Thin Films by Laser-annealing | We demonstrate a facile fabrication technique for graphene-based transparent
conductive films. Highly flat and uniform graphene films are obtained through
the incorporation of an efficient laser annealing technique with one-time drop
casting of high-concentration graphene ink. The resulting thin films are
uniform and e... | 1501.03843v1 |
2015-02-18 | The Role of Transport Agents in MoS2 Single Crystals | We report resistivity, thermoelectric power and thermal conductivity of MoS2
single crystals prepared by chemical vapour transport (CVT) method using I2,
Br2 and TeCl4 as transport agents. The material presents low-lying donor and
acceptor levels, which dominate the in-plane charge transport. Intercalates
into the Van ... | 1502.05161v1 |
2015-08-20 | Transport Conductivity of Graphene at RF and Microwave Frequencies | We measure graphene coplanar waveguides from direct current (DC) to 13.5GHz
and show that the apparent resistance (in the presence of parasitic impedances)
has an quadratic frequency dependence, but the intrinsic conductivity (without
the influence of parasitic impedances) is frequency-independent. Consequently,
in our... | 1508.04984v1 |
2016-08-17 | Nanocomposite si-c-n coatings | Coatings of ternary nanocomposite Si-C-N ceramic coatings have shown newer
and improved mechanical and functional properties over the coarser and
monolithic coatings. Properties like high hardness, wear resistance, oxidation
resistance, tunable band gap and chemical inertness have been observed for
Si-C-N which makes i... | 1608.05667v1 |
2016-12-21 | Correlation between battery material performance and cooperative electron-phonon interaction in LiCo$_y$Mn$_{2-y}$O$_{4}$ | Understanding the basic physics related to archetypal lithium battery
material (such as LiCo$_y$Mn$_{2-y}$O$_{4}$) is of considerable interest and is
expected to aid designing of cathodes of high capacity. The relation between
electrochemical performance, activated-transport parameters, thermal expansion,
and cooperati... | 1612.07092v1 |
2018-05-07 | High-temperature thermoelectric properties of half-Heusler phases Er$_{1-x}$Ho$_x$NiSb | Polycrystalline samples of Er$_{1-x}$Ho$_x$NiSb ($x$ = 0, 0.2, 0.3, 0.5, 0.7,
0.8, 1) were characterized by means of x-ray powder diffraction (XRD), scanning
electron microscopy (SEM), and optical metallography. The results proved the
formation of half-Heusler alloys in the entire composition range. Their
electrical tr... | 1805.02435v1 |
2018-05-16 | Magnetic properties of single crystalline itinerant ferromagnet AlFe2B2 | Single crystals of AlFe$_{2}$B$_{2}$ have been grown using the self flux
growth method and then measured the structural properties, temperature and
field dependent magnetization, and temperature dependent electrical resistivity
at ambient as well as high pressure. The Curie temperature of AlFe$_{2}$B$_{2}$
is determine... | 1805.06373v1 |
2019-09-29 | Structural and electrical properties of ceramic Li-ion conductors based on Li$_{1.3}$Al$_{0.3}$Ti$_{1.7}$(PO$_4$)$_3$-LiF | The work presents the investigations of Li1.3Al0.3Ti1.7(PO4)3-xLiF Li-ion
conducting ceramics with 0 < x < 0.3 by means of X-ray diffractometry (XRD),
7Li, 19F, 27Al and 31P Magic Angle Spinning Nuclear Magnetic Resonance (MAS
NMR) spectroscopy, thermogravimetry (TG), scanning electron microscopy (SEM),
impedance spect... | 1909.13291v2 |
2017-03-19 | A thermodynamic analysis of the spider silk and the importance of complexity | The spider silk is one of the most interesting bio-materials investigated in
the last years. One of the main reasons that brought scientists to study this
organized system is its high level of resistance if compared to other
artificial materials characterized by higher density. Subsequently, researchers
discovered that... | 1703.06497v1 |
2019-07-31 | Large spin Hall magnetoresistance in antiferromagnetic α-Fe2O3/Pt heterostructures | We investigate the spin Hall magnetoresistance (SMR) at room temperature in
thin film heterostructures of antiferromagnetic, insulating, (0001)-oriented
alpha-Fe2O3 (hematite) and Pt. We measure their longitudinal and transverse
resistivities while rotating an applied magnetic field of up to 17T in three
orthogonal pla... | 1907.13393v4 |
2020-09-16 | Properties and influence of microstructure and crystal defects in Fe$_2$VAl modified by laser surface remelting | Laser surface remelting can be used to manipulate the microstructure of cast
material. Here, we present a detailed analysis of the microstructure of
Fe$_2$VAl following laser surface remelting. Within the melt pool, elongated
grains grow nearly epitaxially from the heat-affected zone. These grains are
separated by low-... | 2009.07685v2 |
2016-03-18 | Electronic Structure, Phase Stability and Resistivity of Hybrid Hexagonal C$_x$(BN)$_{1-x}$ Two-dimensional Nanomaterial: A First-principles Study | We use density functional theory based first-principles method to investigate
the bandstructure and phase stability in the laterally grown hexagonal
C$_x$(BN)$_{1-x}$, two-dimensional Graphene and $h$-BN hybrid nanomaterials,
which were synthesized by experimental groups recently (Liu $et al$, Nature
Nanotech, 8, 119 (... | 1603.05780v1 |
2017-08-25 | Ballistic geometric resistance resonances in a single surface of a topological insulator | Transport in topological matter has shown a variety of novel phenomena over
the last decade. Although numerous transport studies have been conducted on
three-dimensional topological insulators (3D-TIs), study of ballistic motion
and thus exploration of potential landscapes on a hundred nanometer scale is
for the preval... | 1708.07766v1 |
2018-08-22 | Evidence for Undoped Weyl Semimetal Charge Transport in $Y_{2}Ir_{2}O_{7}$ | Weyl fermions scattering from a random Coulomb potential are predicted to
exhibit resistivity versus temperature $\rho \space \alpha \space T^{-4}$ in a
single particle model. Here we show that, in closed environment-grown
polycrystalline samples of $Y_{2}Ir_{2}O_{7}$, $\rho = \rho_{0} T^{-4}$ over
four orders of magni... | 1808.07583v4 |
2019-04-07 | Restoration of long range order of Na ions in $Na_xCoO_2$ at high temperatures by sodium site doping | We have systematically investigated the $Na_xCoO_2$ system doped with Cu, Y,
Sn, W, Au and Bi for $x$ = 0:5; 0:75 and 1.00 using density functional theory.
Sn, W, and Bi always substitute a Co while Au always substitutes a Na
regardless of Na concentration. However, for Cu and Y, the substitution site
depends on Na con... | 1904.03644v1 |
2019-08-07 | Fast response of pulsed laser deposited Zinc ferrite thin film as a chemo-resistive gas sensor | Thin films of ZnFe2O4 deposited by pulsed laser technique are here
demonstrated as one of the interesting materials for sensing of ethanol. The
response transients were fitted well to one-site Langmuir adsorption model.
Activation energies for (I) adsorption and reaction of ethanol and (II)
desorption (i.e. recovery pr... | 1908.02780v1 |
2012-06-18 | GdN Nanoisland-Based GaN Tunnel Junctions | We show that GdN nanoislands can enhance inter-band tunneling in GaN PN
junctions by several orders of magnitude, enabling low optical absorption
low-resistance tunnel junctions (specific resistivity 1.3 X 10-3 {\Omega}-cm2)
for various optoelectronic applications. We exploit the ability to overgrow
high quality GaN ov... | 1206.3810v3 |
2015-07-01 | Itinerant Antiferromagnetism in FeMnP0.8Si0.2 Single Crystals | Compounds based on the Fe2P structure have continued to attract interest
because of the interplay between itinerant and localized magnetism in a
non-centrosymmetric crystal structure, and because of the recent developments
of these materials for magnetocaloric applications. Here we report the growth
and characterizatio... | 1507.00275v1 |
2019-01-22 | S-type Negative Differential Resistance in Semiconducting Transition-Metal Dichalcogenides | Current-controlled (also known as "S-type") negative differential resistance
(NDR) is of crucial importance to many emerging applications including
neuromorphic computing and high-density memristors integration. However, the
experimental realization of S-type NDR based on conventional mechanisms poses
demanding require... | 1901.07161v1 |
2020-12-30 | High Current Density in Monolayer MoS$_2$ Doped by AlO$_x$ | Semiconductors require stable doping for applications in transistors,
optoelectronics, and thermoelectrics. However, this has been challenging for
two-dimensional (2D) materials, where existing approaches are either
incompatible with conventional semiconductor processing or introduce
time-dependent, hysteretic behavior... | 2012.15350v1 |
2021-06-09 | Maximizing Spin-Orbit Torque Generated by the Spin Hall Effect of Pt | Efficient generation of spin-orbit torques (SOTs) is central for the exciting
field of spin-orbitronics. Platinum, the archetypal spin Hall material, has the
potential to be an outstanding provider for spin-orbit torques due to its giant
spin Hall conductivity, low resistivity, high stabilities, and the ability to
be c... | 2106.04992v2 |
2021-08-12 | Revisiting the Reduction of Thermal Conductivity in Nano- to Micro-Grained Bismuth Telluride: The Importance of Grain-Boundary Thermal Resistance | Nanograined bulk alloys based on bismuth telluride (Bi2Te3) are the dominant
materials for room-temperature thermoelectric applications. In numerous
studies, existing bulk phonon mean free path (MFP) spectra predicted by
atomistic simulations suggest sub-100 nm grain sizes are necessary to reduce
the lattice thermal co... | 2108.05972v1 |
2022-12-02 | Electric modulation of the Fermi arc spin transport via three-terminal configuration in the topological semimetal nanowires | Spin momentum locking is a key feature of the topological surface state,
which plays an important role in spintronics. The electrical detection of
current-induced spin polarization protected by the spin momentum locking in
non-magnetic systems provides a new platform for developing spintronics while
previous studies we... | 2212.01072v1 |
2023-08-02 | Observation of zero resistance above 100$^\circ$ K in Pb$_{10-x}$Cu$_x$(PO$_4$)$_6$O | Room-temperature superconductivity has always been regarded as the ultimate
goal in the fields of solid-state physics and materials science, with its
realization holding revolutionary significance, capable of triggering
significant changes in energy transmission and storage. However, achieving it
poses various challeng... | 2308.01192v1 |
2024-04-13 | Solution-Processed Inks with Fillers of NbS$_3$ Quasi-One-Dimensional Charge-Density-Wave Material | We report on the solution processing and testing of electronic ink comprised
of quasi-one-dimensional NbS$_3$ charge-density-wave fillers. The ink was
prepared by liquid-phase exfoliation of NbS$_3$ crystals into high-aspect ratio
quasi-1D fillers dispersed in a mixture of isopropyl alcohol and ethylene
glycol solution... | 2404.09038v1 |
2024-02-16 | Cycling on rough roads: A model for resistance and vibration | Minimising opposing forces is a matter of interest to most cyclists. These
forces arise from passage through air ("drag") and interaction with the road
surface ("resistance"). Recent work recognises that resistance forces arise not
only from the deformation of the tyre ("rolling resistance") but also from
irregularitie... | 2405.00019v1 |
2015-05-11 | Pressure-induced semimetal to superconductor transition in a three-dimensional topological material ZrTe5 | As a new type of topological materials, ZrTe5 shows many exotic properties
under extreme conditions. Utilizing resistance and ac magnetic susceptibility
measurements under high pressure, while the resistance anomaly near 128 K is
completely suppressed at 6.2 GPa, a fully superconducting transition emerges
surprisingly.... | 1505.02658v2 |
2015-08-05 | Screening and transport in 2D semiconductor systems at low temperatures | Low temperature carrier transport properties in two-dimensional (2D)
semiconductor systems can be theoretically well-understood within a mean-field
type RPA-Boltzmann theory as being limited by scattering from screened Coulomb
disorder arising from random quenched charged impurities in the environment. In
the current w... | 1508.01195v1 |
2007-07-04 | Role of oxygen vacancies in Cr-doped SrTiO3 for resistance-change memory | Transition-metal oxides exhibiting a bistable resistance state are attractive
for non-volatile memory applications. The relevance of oxygen vacancies (VO)
for the resistance-change memory was investigated with x-ray fluorescence,
infrared microscopy, and x-ray absorption spectroscopy using Cr-doped SrTiO3 as
example. W... | 0707.0563v1 |
2012-12-17 | Measurement of specific contact resistivity using scanning voltage probes | Specific contact resistivity measurements have conventionally been heavy in
both fabrication and simulation/calculation in order to account for complicated
geometries and other effects such as parasitic resistance. We propose a simpler
geometry to deliver current, and the use of a scanning voltage probe to sense
the po... | 1212.4182v2 |
2013-11-04 | Surface resistivity of hydrogenated amorphous carbon films: Existence of intrinsic graphene on its surface | Surface resistivity of hydrogenated amorphous carbon films was measured as a
function of the applied electrical field. The measured dependence shows a sharp
ambipolar peak near zero gate voltage. Furthermore, we found that in some
samples sheet resistance at the peak is as low as 7.5 k{\Omega}/sq. This value
is the sam... | 1311.0605v2 |
2014-06-17 | High-Performance MoS2 Field-Effect Transistors Enabled by Chloride Doping: Record Low Contact Resistance (0.5 kohm*um) and Record High Drain Current (460 uA/um) | In this paper, we report a novel chemical doping technique to reduce the
contact resistance (Rc) of transition metal dichalcogenides (TMDs) -
eliminating two major roadblocks (namely, doping and high Rc) towards
demonstration of high-performance TMDs field-effect transistors (FETs). By
using 1,2 dichloroethane (DCE) as... | 1406.4492v1 |
2015-04-14 | Thermal boundary resistance at Si/Ge interfaces determined by approach-to-equilibrium molecular dynamics simulations | The thermal boundary resistance of Si/Ge interfaces as been determined using
approach-to-equilibrium molecular dynamics simulations. Assuming a reciprocal
linear dependence of the thermal boundary resistance, a length-independent bulk
thermal boundary resistance could be extracted from the calculation resulting
in a va... | 1504.03613v1 |
2019-06-12 | Kapitza resistance in basic chain models with isolated defects | Kapitza thermal resistance is a common feature of material interfaces. It is
defined as the ratio of the thermal drop at the interface to the heat flux
flowing across the interface. One expects that this resistance will depend on
the structure of the interface and on the temperature. We address the heat
conduction in o... | 1906.05152v1 |
2022-09-22 | Computational Design of Corrosion-resistant and Wear-resistant Titanium Alloys for Orthopedic Implants | Titanium alloys are promising candidates for orthopedic implants due to their
mechanical resilience and biocompatibility. Current titanium alloys in
orthopedic implants still suffer from low wear and corrosion resistance. Here,
we present a computational method for optimizing the composition of titanium
alloys for enha... | 2210.00845v1 |
2021-08-17 | Superconducting-like and magnetic transitions in oxygen-implanted diamond-like and amorphous carbon films, and in highly oriented pyrolytic graphite | In our previously published work, we have reported colossal
magnetoresistance, Andreev oscillations, ferromagnetism, and granular
superconductivity in oxygen-implanted carbon fibers, graphite foils, and highly
oriented pyrolytic graphite. In this follow-up research, more results on these
oxygen-implanted graphite sampl... | 2108.07417v1 |
2019-11-20 | Aspects of the Normal State Resistivity of Cuprate Superconductors | Planar normal state resistivity data taken from three families of cuprate
superconductors are compared with theoretical calculations from the recent
extremely correlated Fermi liquid theory (ECFL). The two hole doped cuprate
materials $LSCO$ and $BSLCO$ and the electron doped material $LCCO$ have
yielded rich data sets... | 1911.09119v3 |
2005-10-20 | Dependence of tunnel magnetoresistance in MgO based magnetic tunnel junctions on Ar pressure during MgO sputtering | We investigated dependence of tunnel magnetoresistance effect in
CoFeB/MgO/CoFeB magnetic tunnel junctions on Ar pressure during MgO-barrier
sputtering. Sputter deposition of MgO-barrier at high Ar pressure of 10 mTorr
resulted in smooth surface and highly (001) oriented MgO. Using this MgO as a
tunnel barrier, tunnel ... | 0510531v1 |
2014-09-23 | Fabrication of Flexible Super Capacitor Using Laser Lightscribe Technique | Super capacitors are promising energy storage devices due to their capability
of delivering high peak current and storing high amount of energy in a short
time with very low internal power loss. We fabricated the graphene or graphite
oxide super-capacitor using laser Lightscribe technique. We prepared graphite
oxide by... | 1409.6396v1 |
2019-09-20 | Extraordinary high room-temperature carrier mobility in graphene-WSe$_2$ heterostructures | High carrier mobilities play a fundamental role for high-frequency
electronics, integrated optoelectronics as well as for sensor and spintronic
applications, where device performance is directly linked to the magnitude of
the carrier mobility. Van der Waals heterostructures formed by graphene and
hexagonal boron nitrid... | 1909.09523v1 |
2015-06-29 | High quality monolayer graphene synthesized by resistive heating cold wall chemical vapour deposition | Emerging flexible and wearable technologies such as healthcare electronics
and energy-harvest devices could be transformed by the unique properties of
graphene. The vision for a graphene-driven industrial revolution is motivating
intensive research on the synthesis of (1) high quality and (2) low cost
graphene. Hot-wal... | 1506.08569v1 |
2015-09-29 | A Nonlinear HP-Type Complementary Resistive Switch | Resistive Switching (RS) is the change in resistance of a dielectric under
the influence of an external current or electric field. This change is
non-volatile, and the basis of both the memristor and resistive random access
memory. In the latter, high integration densities favor the anti-serial
combination of two RS-el... | 1509.08885v1 |
2003-08-14 | Resistivity Ratio of Niobium Superconducting Cavities | Resistivity measurements have been made on Nb cavities, as well as on Pb and
Cu, at 296, 77, and 4.2 K by means of a contactless induced-current method. For
superconductors, a constant magnetic field drives the material normal below the
transition temperature. These measurements provide a simple means for initial
mater... | 0308266v1 |
2014-01-09 | Rapid Embedded Wire Heating via Resistive Guiding of Laser-Generated Fast Electrons as a Hydrodynamic Driver | Resistively guiding laser-generated fast electron beams in targets consisting
of a resistive wire embedded in lower $Z$ material should allow one to rapidly
heat the wire to over 100eV over a substantial distance without strongly
heating the surrounding material. On the multi-ps timescale this can drive
hydrodynamic mo... | 1401.1998v1 |
2002-07-19 | Spin Injection: Interface Resistance in Fe/Semiconductor Junctions Calculated from First Principles | We calculate the current spin polarisation and the interface resistance of
Fe/GaAs and Fe/ZnSe (001) spin injection junctions from first principles,
including also the possibility of a Schottky barrier. From our results of
interface resistance we estimate the barrier thickness needed for efficient
spin injection if the... | 0207492v1 |
2007-08-01 | Resistance noise in Bi_2Sr_2CaCu_2O$_{8+δ}$ | The resistance noise in a Bi_2Sr_2CaCu_2O$_{8+\delta}$ thin film is found to
increase strongly in the underdoped regime. While the increase of the raw
resistance noise with decreasing temperature appears to roughly track the
previously reported pseudogap temperature for this material, standard noise
analysis rather sug... | 0708.0117v1 |
2010-06-14 | A conjecture of Biggs concerning the resistance of a distance-regular graph | Previously, Biggs has conjectured that the resistance between any two points
on a distance-regular graph of valency greater than 2 is bounded by twice the
resistance between adjacent points. We prove this conjecture, give the sharp
constant for the inequality, and display the graphs for which the conjecture
most nearly... | 1006.2687v1 |
2019-06-13 | Comment on arXiv:1807.08572, "Coexistence of Diamagnetism and Vanishingly Small Electrical Resistance at Ambient Temperature and Pressure in Nanostructures" | A recent preprint arXiv:1807.08572 reported the observation of a transition
in Ag/Au nanoparticle composites near room temperature and at ambient pressure,
to a vanishingly small four-probe resistance, which was tentatively identified
as a percolating superconducting transition. In this brief comment, I point out
that ... | 1906.05742v1 |
2017-08-18 | A New Method for Characterizing Bulk and Surface Conductivities of Three-Dimensional Topological Insulators: Inverted Resistance Measurements | We introduce a new resistance measurement method that is useful in
characterizing materials with both surface and bulk conduction, such as
three-dimensional topological insulators. The transport geometry for this new
resistance measurement configuration consists of one current lead as a closed
loop that fully encloses ... | 1708.05762v2 |
2007-11-02 | Effects of carbon nanotubes on grain boundary sliding in zirconia polycrystals | Mechanical properties of zirconia polycrystals decrease drastically at high
temperature due to thermally activated grain boundary (GB) sliding, leading to
plastic or even super-plastic deformation. As GB sliding is a source of energy
dissipation in the material, mechanical loss measurements are well suited to
study suc... | 0711.0381v1 |
2010-01-25 | High-pressure synthesis, crystal and electronic structures of a new scandium tungstate, Sc0.67WO4 | Negative thermal expansion (NTE) materials possess a low-density, open
structure which can respond to high pressure conditions, leading to new
compounds and/or different physical properties. Here we report that one such
NTE material -- white, insulating, orthorhombic Sc2W3O12 -- transforms into a
black compound when tr... | 1001.4561v1 |
2016-10-18 | Low Temperature Thermoelectric Properties of Co- and Cr- doped CuAgSe | High mobility phonon-glass semimetal $CuAgSe$ has shown promise in recent
years as a potential low-temperature thermoelectric material. It exhibits
reasonably strong thermoelectric performance as well as an extremely high
carrier mobility, both of which are enhanced when the material is doped with Ni
at the Cu sites. T... | 1610.05634v1 |
2018-03-14 | Ultra High Molecular Weight Polyethylene: optical features at millimeter wavelengths | The next generation of experiments for the measurement of the Cosmic
Microwave Background (CMB) requires more and more the use of advanced
materials, with specific physical and structural properties. An example is the
material used for receiver's cryostat windows and internal lenses. The large
throughput of current CMB... | 1803.05228v1 |
2019-08-02 | Machine-learning-assisted thin-film growth: Bayesian optimization in molecular beam epitaxy of SrRuO3 thin films | Materials informatics exploiting machine learning techniques, e.g., Bayesian
optimization (BO), has the potential to offer high-throughput optimization of
thin-film growth conditions through incremental updates of machine learning
models in accordance with newly measured data. Here, we demonstrated BO-based
molecular b... | 1908.00739v1 |
2002-04-08 | Pressure Effect on the Superconducting and Magnetic Transitions of the Superconducting Ferromagnet RuSr2GdCu2O8 | The superconducting ferromagnet RuSr2GdCu2O8 was investigated at high
pressure. The intra-grain superconducting transition temperature, Tc, is
resolved in ac-susceptibility as well as resistivity measurements. It is shown
that the pressure shift of Tc is much smaller than that of other high-Tc
compounds in a similar do... | 0204185v1 |
2004-09-23 | Superconducting and Normal State Properties of Heavily Hole-Doped Diamond | We report measurements of the specific heat, Hall effect, upper critical
field and resistivity on bulk, B-doped diamond prepared by reacting amorphous B
and graphite under high-pressure/high-temperature conditions. These experiments
establish unambiguous evidence for bulk superconductivity and provide a
consistent set ... | 0409624v1 |
2000-04-10 | Systematic evolution of the magnetotransport properties of Bi_{2}Sr_{2-x}La_{x}CuO_{6} in a wide doping range | Recently we have succeeded in growing a series of high-quality
Bi_{2}Sr_{2-x}La_{x}CuO_{6} crystals in a wide range of carrier concentrations.
The data of \rho_{ab}(T) and R_H(T) of those crystals show behaviors that are
considered to be "canonical" to the cuprates. The optimum zero-resistance T_c
has been raised to as... | 0004134v1 |
2005-07-20 | Superconductivity in Polycrystalline Diamond Thin Films | Superconductivity was discovered in heavily boron-doped diamond thin films
deposited by the microwave plasma assisted chemical vapor deposition (MPCVD)
method. Advantages of the MPCVD deposited diamond are the controllability of
boron concentration in a wide range, and a high boron concentration, especially
in (111) or... | 0507476v2 |
2006-11-15 | Silicon detectors: damage, modelling and expected long-time behaviour in physics experiments at ultra high energy | In this contribution, the structural modifications of the material and the
degradation of devices is modelled and compared with experimental data for more
resistivities, temperatures, crystal orientations and oxygen concentrations,
considering the existence of the new primary fourfold coordinated defect,
besides the va... | 0611142v1 |
2008-01-07 | High pressure-high temperature phase diagram of ammonia | The high pressure(P)-high temperature(T) phase diagram of solid ammonia has
been investigated using diamond anvil cell and resistive heating techniques.
The III-IV transition line has been determined up to 20 GPa and 500 K both on
compression and decompression paths. No discontinuity is observed at the
expected locatio... | 0801.0913v1 |
2008-07-16 | High-Temperature Superconductivity in Eu0.5K0.5Fe2As2 | Subsequent to our recent report of SDW type transition at 190 K and
antiferromagnetic order below 20 K in EuFe2As2, we have studied the effect of
K-doping on the SDW transition at high temperature and AF order at low
temperature. 50% K doping suppresses the SDW transition and in turn gives rise
to high-temperature supe... | 0807.2530v2 |
2017-09-08 | Room temperature ferromagnetism in transparent and conducting Mn-doped $SnO_{2}$ thin films | The magnetization as a function of magnetic field showed hysteretic behavior
at room temperature. According to the temperature dependence of the
magnetization, the Curie temperature $(T_{C})$ is higher than 350 K.
Ferromagnetic Mn-doped tin oxide thin films exhibited low electrical
resistivity and high optical transmit... | 1709.05930v1 |
2020-11-18 | The CLICTD Monolithic CMOS Sensor | CLICTD is a monolithic silicon pixel sensor fabricated in a modified 180 nm
CMOS imaging process with a small collection electrode design and a
high-resistivity epitaxial layer. It features an innovative sub-pixel
segmentation scheme and is optimised for fast charge collection and high
spatial resolution. The sensor wa... | 2011.09389v1 |
2023-11-28 | A Brief Review and Perspective on the Functional Biodegradable Films for Food Packaging | High-performance, environmentally-friendly biodegradable packaging as
substitutes for conventional plastics becomes severe demand to nowadays economy
and society. As an aliphatic aromatic copolyester PBAT is recognized as the
preferred alternative to traditional plastics. However, the relatively high
cost and weak prop... | 2311.16932v1 |
2023-05-18 | Indium-Tin-Oxide for High-performance Electro-optic Modulation | Advances in opto-electronics are often led by discovery and development of
materials featuring unique properties. Recently the material class of
transparent conductive oxides (TCO) has attracted attention for active photonic
devices on-chip. In particular Indium Tin Oxide (ITO) is found to have
refractive index changes... | 2305.10639v1 |
2024-03-14 | Magnetotransport properties in van-der-Waals \textit{\textbf{R}}Te$_{3}$ (\textit{\textbf{R}} = La, Ce, Tb) | Rare-earth tritellurides are van-der-Waals antiferromagnets which have been
attracting attention as materials not only with high mobility, but also with
various states such as superconductivity under high pressure, incommensurate
charge-density-wave (CDW) phase, and multiple antiferromagnetic phases. In this
work, we p... | 2403.09250v2 |
2016-02-19 | Magnetic effects in sulfur-decorated graphene | The interaction between two different materials can present novel phenomena
that are quite different from the physical properties observed when each
material stands alone. Strong electronic correlations, such as magnetism and
superconductivity, can be produced as the result of enhanced Coulomb
interactions between elec... | 1602.06214v2 |
2020-09-27 | Non-equilibrium Effects in Dissipative Strongly Correlated Systems | Novel physics arises when strongly correlated system is driven out of
equilibrium by external fields. Dramatic changes in physical properties, such
as conductivity, are empirically observed in strongly correlated materials
under high electric field. In particular, electric-field driven metal-insulator
transitions are w... | 2009.12865v1 |
2020-09-28 | A hybrid optoelectronic Mott insulator | The coupling of electronic degrees of freedom in materials to create
hybridized functionalities is a holy grail of modern condensed matter physics
that may produce novel mechanisms of control. Correlated electron systems often
exhibit coupled degrees of freedom with a high degree of tunability which
sometimes lead to h... | 2009.13606v1 |
2020-01-02 | Thermal Conductivity Measurements in Nanosheets via Bolometric Effect | Thermal conductivity measurement techniques for materials with nanoscale
dimensions require fabrication of very complicated devices or their
applicability is limited to a class of materials. Discovery of new methods with
high thermal sensitivity are required for the widespread use of thermal
conductivity measurements i... | 2001.00368v1 |
2020-11-01 | Bipolar Magnetic Semiconducting Behavior in VNbRuAl: A New Spintronic Material for Spin Filters | We report the theoretical prediction of a new class of spintronic materials,
namely bipolar magnetic semiconductor (BMS), which is also supported by our
experimental data. BMS acquires a unique band structure with unequal band gaps
for spin up and down channels, and thus are useful for tunable spin transport
based appl... | 2011.00533v1 |
2021-10-26 | Wet Scandium Etching for hard mask formation on a silicon substrate | Nowadays, microelectronics and nanoelectronics require the search for new
materials, including masks for creating structures. Today, the intermediate
hard mask strategy is one of the key issues in achieving a good balance between
lithography and etching at the microelectronic fabrication. One of the
interesting challen... | 2110.13639v3 |
2007-01-03 | Two-dimensional Vortices in Superconductors | Superconductors have two key characteristics. They expel magnetic field and
they conduct electrical current with zero resistance. However, both properties
are compromised in high magnetic fields which can penetrate the material and
create a mixed state of quantized vortices. The vortices move in response to an
electric... | 0701059v1 |
2007-11-01 | Point-contact search for antiferromagnetic giant magnetoresistance | We report the first measurements of effects of large current densities on
current-perpendicular-to-plane magnetoresistance (MR) of magnetic multilayers
containing two antiferromagnetic layers separated by a non-magnetic layer.
These measurements were intended to search for a recently predicted
antiferromagnetic giant m... | 0711.0059v3 |
2008-06-18 | Linear-T resistivity and change in Fermi surface at the pseudogap critical point of a high-Tc superconductor | A fundamental question of high-temperature superconductors is the nature of
the pseudogap phase which lies between the Mott insulator at zero doping and
the Fermi liquid at high doping p. Here we report on the behaviour of charge
carriers near the zero-temperature onset of that phase, namely at the critical
doping p* w... | 0806.2881v2 |
2016-06-07 | Spin-Orbit Interaction and Kondo Scattering at the PrAlO$_3$/SrTiO$_3$ Interface: Effects of Oxygen Content | We report the effect of oxygen pressure during growth ($P_{O_{2}}$) on the
electronic and magnetic properties of PrAlO$_3$ films grown on $\rm
TiO_{2}$-terminated SrTiO$_3$ substrates. Resistivity measurements show an
increase in the sheet resistance as $P_{O_{2}}$ is increased. The temperature
dependence of the sheet ... | 1606.02308v1 |
2016-07-20 | Magnetotransport properties of the type II Weyl semimetal candidate Ta3S2 | We have investigated the magnetoresistance (MR) and Hall resistivity
properties of the single crystals of tantalum sulfide, Ta3S2, which was
recently predicted to be a new type II Weyl semimetal. Large MR (up to ~8000%
at 2 K and 16 T), field-induced metal-insulator-like transition and nonlinear
Hall resistivity are ob... | 1607.05798v2 |
2017-10-25 | Device model for pixelless infrared image up-converters based on polycrystalline graphene heterostructures | We develop a device model for pixelless converters of far/mid-infrared
radiation (FIR/MIR) images into near-infrared/visible (NIR/VIR) images. These
converters use polycrystalline graphene layers (PGLs) immersed in the van der
Waals (vdW) materials integrated with light emitting diode (LED). The PGL
serves as an elemen... | 1710.09060v1 |
2018-06-18 | Electroluminescence on-off ratio control of n-i-n GaAs/AlGaAs-based resonant tunneling structures | We explore the nature of the electroluminescence (EL) emission of purely
n-doped GaAs/AlGaAs resonant tunneling diodes (RTDs) and the EL evolution with
voltage. A singular feature of such a device is unveiled when the electrical
output current changes from high to low and the EL on-off ratio is enhanced by
2 orders of ... | 1806.06757v1 |
2012-01-19 | Magnetic Field Effects on Transport Properties of PtSn4 | The anisotropic physical properties of single crystals of orthorhombic PtSn4
are reported for magnetic fields up to 140 kOe, applied parallel and
perpendicular to the crystallographic b-axis. The magnetic susceptibility has
an approximately temperature independent behavior and reveals an anisotropy
between ac-plane and... | 1201.4091v1 |
2020-10-23 | Air-stable, earth-abundant molten chlorides and corrosion-resistant containment for chemically-robust, high-temperature thermal energy storage for concentrated solar power | A dramatic reduction in man-made CO2 emissions could be achieved if the cost
of electricity generated from concentrated solar power (CSP) plants could
become competitive with fossil-fuel-derived electricity. The solar
heat-to-electricity conversion efficiency of CSP plants may be significantly
increased (and the associ... | 2010.12476v1 |
2023-03-03 | Anomalous Random Telegraphy Signal in Suspended Graphene with Oxygen Adsorption | Graphene is a promising material for sensing applications because of its
large specific surface area and low noise. In many applications, graphene will
inevitably be in contact with oxygen since it is the second most abundant gas
in the atmosphere. Therefore, it is of interest to understand how this gas
affects the sen... | 2303.01649v2 |
2007-09-12 | Characterization of Thermal Interface Materials to Support Thermal Simulation | In this paper new characterization equipment for thermal interface materials
is presented. Thermal management of electronic products relies on the
effec-tive dissipation of heat. This can be achieved by the optimization of the
system design with the help of simulation methods. The precision of these
models relies also ... | 0709.1849v1 |
2016-02-29 | A Solid-State Dielectric Elastomer Switch for Soft Logic | In this paper we describe a stretchable solid-state electronic switching
material that operates at high voltage potentials, as well as a switch material
benchmarking technique that utilizes a modular dielectric elastomer (artificial
muscle) ring oscillator. The solid-state switching material was integrated into
our osc... | 1602.08988v1 |
2019-03-15 | An efficient phase-field model for fatigue fracture in ductile materials | Fatigue fracture in ductile materials, e. g. metals, is caused by cyclic
plasticity. Especially regarding the high numbers of load cycles, plastic
material models resolving the full loading path are computationally very
demanding. Herein, a model with particularly small computational effort is
presented. It provides a ... | 1903.06465v3 |
2021-10-21 | Structures and physical properties of V-based kagome metals CsV$_{6}$Sb$_{6}$ and CsV$_{8}$Sb$_{12}$ | We report two new members of V-based kagome metals CsV$_{6}$Sb$_{6}$ and
CsV$_{8}$Sb$_{12}$. The most striking structural feature of CsV$_{6}$Sb$_{6}$
is the V kagome bilayers. For CsV$_{8}$Sb$_{12}$, there is an intergrowth of
two-dimensional V kagome layers and one-dimensional V chains and the latter
lead to the orth... | 2110.11452v2 |
2022-05-17 | The Highly Disordered Zintl Phase Ca$_{10}$GdCdSb$_9$ -- New Example of a p-type Semiconductor with Remarkable Thermoelectric Properties | Ca$_{10}$GdCdSb$_9$ is a new Zintl phase with a large unit cell volume (~2500
{\AA}3) and a very complex, disordered structure, which can drive the
realization of ultralow thermal conductivity in this material. The measured
Seebeck coefficient, $\alpha$, for single-crystalline Ca$_{10}$GdCdSb$_9$
approaches 350 $\mu$V/... | 2205.08559v1 |
2022-10-12 | Experimental data management platform for data-driven investigation of combinatorial alloy thin films | Experimental materials data are heterogeneous and include a variety of
metadata for processing and characterization conditions, making the
implementation of data-driven approaches for developing novel materials
difficult. In this paper, we introduce the Thin-Film Alloy Database (TFADB), a
materials data management plat... | 2210.06027v1 |
2022-10-18 | Reaction-diffusion pathways for a programmable nanoscale texture of diamond-SiC composite | The diamond-SiC composite has a low density and the highest possible speed of
sound among existing materials except for the diamond. The composite is
synthesized by a complex exothermic chemical reaction between diamond powder
and liquid Si. This makes it an ideal material for protection against impact
loading. Experim... | 2210.10021v1 |
2023-11-02 | Machine Learning Design of Perovskite Catalytic Properties | Discovering new materials that efficiently catalyze the oxygen reduction and
evolution reactions is critical for facilitating the widespread adoption of
solid oxide fuel cell and electrolyzer (SOFC/SOEC) technologies. Here, we
develop machine learning (ML) models to predict perovskite catalytic properties
critical for ... | 2311.01401v1 |
2024-01-22 | Order induces toughness in anisotropic colloidal crystal composites | Spatial ordering of matter elicits exotic properties sometimes absent from a
material's constituents. A few highly mineralised natural materials achieve
high toughness through delocalised damage, whereas synthetic particulate
composites must trade toughness for mineral content. We test whether ordering
the mineral phas... | 2401.11727v1 |
2016-10-24 | Probing Intrinsic Material Conductivity in Two-Terminal Devices: A Resistance-Difference Method | It is generally impossible to separately measure the resistance of the
functional component (i.e., the intrinsic device materials) and the parasitic
component (i.e., terminals, interfaces and serial loads) in a two-terminal
device. Yet such knowledge is important for understanding device physics and
designing device sy... | 1610.07666v2 |
2018-03-22 | Status and update of the RaDIATE Collaboration R&D Program | The Radiation Damage In Accelerator Target Environments (RaDIATE)
collaboration was founded in 2012 and currently consists of over 50
participants and 11 institutions globally. Due to the increasing power of
future proton accelerator sources in target facilities, there is a critical
need to further understand the physi... | 1803.08563v1 |
2021-12-22 | Self-repairing high entropy oxides | All biological organisms, from plants to living creatures, can heal minor
wounds and damage. The realization of a similar self-healing capacity in
inorganic materials has been a design target for many decades. This would
represent a breakthrough in materials engineering, enabling many novel
technological applications, ... | 2112.11747v1 |
2004-01-23 | Crystal growth and anisotropic transport properties of high-Tc superconductors Bi2Sr2Can-1CunO2n+4+d (n = 2, 3) | Large high-quality single crystals of Bi2Sr2Can-1CunO2n+4+d (n = 2, 3) were
successfully grown using an improved traveling solvent floating zone (TSFZ)
method, which features a slow growth rate and steep temperature gradient along
the melting zone. By measuring anisotropic resistivities and susceptibilities
of Bi2Sr2Ca... | 0401448v3 |
2010-04-28 | Conductivity states changes in plasticized PVC films near breakdown threshold voltages values | The near threshold "soft breakdown" measurements of PVC films conductivity
are investigated. In a wide range of external electric field strength for
various rather thick (>20 mkm) PVC films the resistance shows strong
nonlinearity and seems to enter high conductive state close to the breakdown
threshold. For our "thick... | 1004.4972v1 |
2010-12-27 | Superconductivity and Magnetic Properties of high-quality single crystals of $A_{x}$Fe$_2$Se$_2$ ($A$ = K and Cs) | We successfully grew the high-quality single crystals of $A_{x}$Fe$_2$Se$_2$
($A$ = K and Cs) by self-flux method. Sharp superconducting transition was
observed for both types of crystals. The crystals show the onset
superconducting transition temperatures ($T_{\rm c}$) of 31 K and 30 K for K-
and Cs-compounds, respect... | 1012.5552v1 |
2015-09-15 | Epitaxial graphene quantum dots for high-performance THz bolometers | Light absorption in graphene causes a large change in electron temperature,
due to low electronic heat capacity and weak electron phonon coupling [1-3],
making it very attractive as a hot-electron bolometer material. Unfortunately,
the weak variation of electrical resistance with temperature has substantially
limited t... | 1509.04646v1 |
2016-11-15 | Linear magnetoresistance in a quasi-free two dimensional electron gas in an ultra-high mobility GaAs quantum well | We report a magnetotransport study of an ultra-high mobility
($\bar{\mu}\approx 25\times 10^6$\,cm$^2$\,V$^{-1}$\,s$^{-1}$) $n$-type GaAs
quantum well up to 33 T. A strong linear magnetoresistance (LMR) of the order
of 10$^5$ % is observed in a wide temperature range between 0.3 K and 60 K. The
simplicity of our materi... | 1611.04857v1 |
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