publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
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2021-03-30 | Magnetic Texture in Insulating Single Crystal High Entropy Oxide Spinel Films | Magnetic insulators are important materials for a range of next generation
memory and spintronic applications. Structural constraints in this class of
devices generally require a clean heterointerface that allows effective
magnetic coupling between the insulating layer and the conducting layer.
However, there are relat... | 2103.16722v1 |
2022-08-03 | Reactive Laser Synthesis of Ultra-high-temperature Ceramics HfC, ZrC, TiC, HfN, ZrN, and TiN for Additive Manufacturing | Ultra-high-temperature ceramics (UHTCs) are optimal structural materials for
applications that require extreme temperature resilience, resistance to
chemically aggressive environments, wear, and mechanical stress. Processing
UHTCs with laser-based additive manufacturing (AM) has not been fully realized
due to a variety... | 2208.02041v2 |
2023-04-24 | Absolute radiation tolerance of amorphous alumina coatings at room temperature | In this study structural and mechanical properties of a 1 um thick Al2O3
coating, deposited on 316L stainless steel by Pulsed Laser Deposition (PLD),
subjected to high energy ion irradiation were assessed. Mechanical properties
of pristine and ion-modified specimens were investigated using the
nanoindentation technique... | 2304.11973v1 |
2023-06-01 | Nonlinear characteristics of Ti, Nb, and NbN superconducting resonators for parametric amplifiers | Superconducting resonators and parametric amplifiers are important components
in scientific systems such as kinetic inductance detector arrays,
frequency-domain multiplexers for other superconducting bolometers,
spin-ensemble based memories, and circuit quantum electrodynamics
demonstrators. In this paper, we report mi... | 2306.00685v2 |
2023-07-17 | MBE growth of axion insulator candidate EuIn2As2 | The synthesis of thin films of magnetic topological materials is necessary to
achieve novel quantized Hall effects and electrodynamic responses. EuIn2As2 is
a recently predicted topological axion insulator that has an antiferromagnetic
ground state and an inverted band structure, but that has only been synthesized
and ... | 2307.08831v2 |
2023-12-20 | Singular Hall response from a correlated ferromagnetic flat nodal-line semimetal | Topological quantum phases have been largely understood in weakly correlated
systems, which have identified various quantum phenomena such as spin Hall
effect, protected transport of helical fermions, and topological
superconductivity. Robust ferromagnetic order in correlated topological
materials particularly attracts... | 2312.12889v1 |
2024-02-28 | Multifunctional composite magnet for practical transverse thermoelectrics | Permanent magnets are used in various products and essential for human
society. If omnipresent permanent magnets could directly convert heat into
electricity, they would lead to innovative energy harvesting and thermal
management technologies. However, achieving such "multifunctionality" has been
difficult because of t... | 2402.18019v1 |
1996-06-05 | Hall Resistivity in Ferromagnetic Manganese-Oxide Compounds | Temperature-dependence and magnetic field-dependence of the Hall effect and
the magnetic property in manganese-oxide thin films are studied. The
spontaneous magnetization and the Hall resistivity are obtained for a various
of magnetic fields over all the temperature. It is shown that the Hall
resistivity in small magne... | 9606030v1 |
2002-06-04 | Free flux flow resistivity in strongly overdoped high-T_c cuprate; purely viscous motion of the vortices in semiclassical d-wave superconductor | We report the free flux flow (FFF) resistivity associated with a purely
viscous motion of the vortices in moderately clean d-wave superconductor
Bi:2201 in the strongly overdoped regime (T_c=16K) for a wide range of the
magnetic field in the vortex state. The FFF resistivity is obtained by
measuring the microwave surfa... | 0206031v1 |
2003-06-14 | Radiation induced zero-resistance states in GaAs/AlGaAs heterostructures: Voltage-current characteristics and intensity dependence at the resistance minima | High mobility two-dimensional electron systems exhibit vanishing resistance
over broad magnetic field intervals upon excitation with microwaves, with a
characteristic reduction of the resistance with increasing radiation intensity
at the resistance minima. Here, we report experimental results examining the
voltage - cu... | 0306388v2 |
2007-05-12 | Effects of electromagnetic waves on the electrical properties of contacts between grains | A DC electrical current is injected through a chain of metallic beads. The
electrical resistances of each bead-bead contacts are measured. At low current,
the distribution of these resistances is large and log-normal. At high enough
current, the resistance distribution becomes sharp and Gaussian due to the
creation of ... | 0705.1775v2 |
2009-12-10 | Dichotomy in the $T$-linear resistivity in hole-doped cuprates | From analysis of the in-plane resistivity $\rho_{ab}(T)$ of
La$_{2-x}$Sr$_x$CuO$_4$, we show that normal state transport in overdoped
cuprates can be delineated into two regimes in which the electrical resistivity
varies approximately linearly with temperature. In the low temperature limit,
the $T$-linear resistivity e... | 0912.2001v1 |
2010-05-25 | Resistive Magnetohydrodynamic Simulations of Relativistic Magnetic Reconnection | Resistive relativistic magnetohydrodynamic (RRMHD) simulations are applied to
investigate the system evolution of relativistic magnetic reconnection. A
time-split Harten--Lan--van Leer method is employed. Under a localized
resistivity, the system exhibits a fast reconnection jet with an Alfv\'{e}nic
Lorentz factor insi... | 1005.4485v2 |
2013-12-18 | Magneto-transport characteristics of a 2D electron system driven to negative magneto-conductivity by microwave photoexcitation | Negative diagonal magneto-conductivity/resistivity is a spectacular- and
thought provoking- property of driven, far-from-equilibrium, low dimensional
electronic systems. The physical response of this exotic electronic state is
not yet fully understood since it is rarely encountered in experiment. The
microwave-radiatio... | 1312.5026v1 |
2014-12-19 | Nano-artifact metrics based on random collapse of resist | Artifact metrics is an information security technology that uses the
intrinsic characteristics of a physical object for authentication and clone
resistance. Here, we demonstrate nano-artifact metrics based on silicon
nanostructures formed via an array of resist pillars that randomly collapse
when exposed to electron-be... | 1412.6271v1 |
2015-07-15 | ERK/p38 MAPK inhibition reduces radio-resistance to pulsed proton beam in breast cancer stem cells cells | Recent studies have identified highly tumorigenic cells with stem cell-like
characteristics in human cancers, termed cancer stem cells (CSCs). CSCs are
resistant to conventional radiotherapy and chemotherapy owing to their high DNA
repair ability and oncogene overexpression. However, the mechanisms regulating
CSC radio... | 1509.02377v1 |
2017-06-23 | Investigating prescriptions for artificial resistivity in smoothed particle magnetohydrodynamics | In numerical simulations, artificial terms are applied to the evolution
equations for stability. To prove their validity, these terms are thoroughly
tested in test problems where the results are well known. However, they are
seldom tested in production-quality simulations at high resolution where they
interact with a p... | 1706.07721v1 |
2019-07-05 | Impurity scattering induced carrier transport in twisted bilayer graphene | We theoretically calculate the impurity-scattering induced resistivity of
twisted bilayer graphene at low twist angles where the graphene Fermi velocity
is strongly suppressed. We consider, as a function of carrier density, twist
angle, and temperature, both long-ranged Coulomb scattering and short-ranged
defect scatte... | 1907.02856v3 |
2021-01-28 | Contagion-Preserving Network Sparsifiers: Exploring Epidemic Edge Importance Utilizing Effective Resistance | Network epidemiology has become a vital tool in understanding the effects of
high-degree vertices, geographic and demographic communities, and other
inhomogeneities in social structure on the spread of disease. However, many
networks derived from modern datasets are quite dense, such as mobility
networks where each loc... | 2101.11818v1 |
2023-02-22 | Drugs Resistance Analysis from Scarce Health Records via Multi-task Graph Representation | Clinicians prescribe antibiotics by looking at the patient's health record
with an experienced eye. However, the therapy might be rendered futile if the
patient has drug resistance. Determining drug resistance requires
time-consuming laboratory-level testing while applying clinicians' heuristics
in an automated way is ... | 2302.11231v2 |
2023-11-03 | Resistive Diffusion in Magnetized ICF Implosions: Reduced Magnetic Stabilization of the Richtmyer Meshkov Instability | Resistive diffusion is typically regarded to be negligible in magnetized ICF
experiments, with magnetic flux effectively compressed during the implosion. In
this work the Richtmyer Meshkov instability at the ice-ablator interface is
taken as an example for investigating resistive effects. For a high temperature
(approx... | 2311.01645v2 |
2024-03-14 | Role of many phonon modes on the high-temperature linear-in-$T$ electronic resistivity | We theoretically consider the possibility that phonons may be playing a role
in the observed linear-in-$T$ resistivity in cuprates by focusing on the
obvious question: How can phonon scattering be consistent with a linear-in-$T$
resistivity with a constant slope given that cuprates have many phonon modes
with different... | 2403.09890v1 |
2017-02-16 | Anomalous Nonlocal Resistance and Spin-charge Conversion Mechanisms in Two-Dimensional Metals | We uncover two anomalous features in the nonlocal transport behavior of
two-dimensional metallic materials with spin-orbit coupling. Firstly, the
nonlocal resistance can have negative values and oscillate with distance, even
in the absence of a magnetic field. Secondly, the oscillations of the nonlocal
resistance under... | 1702.04955v3 |
2018-06-23 | Crack growth resistance in metallic alloys: the role of isotropic versus kinematic hardening | The sensitivity of crack growth resistance to the choice of isotropic or
kinematic hardening is investigated. Monotonic mode I crack advance under small
scale yielding conditions is modelled via a cohesive zone formulation endowed
with a traction-separation law. R-curves are computed for materials that
exhibit linear o... | 1806.08986v1 |
2020-01-08 | Novel hypostasis of old materials in oxide electronics: metal oxides for resistive random access memory applications | Transition-metal oxide films, demonstrating the effects of both threshold and
nonvolatile memory resistive switching, have been recently proposed as
candidate materials for storage-class memory. In this work we describe some
experimental results on threshold switching in a number of various transition
metal (V, Ti, Fe,... | 2001.03026v1 |
2022-04-28 | Ultralow Electron-Surface Scattering in Nanoscale Metals Leveraging Fermi Surface Anisotropy | Increasing resistivity of metal wires with reducing nanoscale dimensions is a
major performance bottleneck of semiconductor computing technologies. We show
that metals with suitably anisotropic Fermi velocity distributions can strongly
suppress electron scattering by surfaces and outperform isotropic conductors
such as... | 2204.13458v1 |
2022-07-20 | Optimal Structures for Failure Resistance Under Impact | The complex physics and numerous failure modes of structural impact creates
challenges when designing for impact resistance. While simple geometries of
layered material are conventional, advances in 3D printing and additive
manufacturing techniques have now made tailored geometries or integrated
multi-material structur... | 2207.09678v1 |
1998-05-11 | Two-dimensional arrays of low capacitance tunnel junctions: general properties, phase transitions and Hall effect | We describe transport properties of two-dimensional arrays of low capacitance
tunnel junctions, such as the current voltage characteristic and its dependence
on external magnetic field and temperature. We discuss several experiments in
which the small capacitance of the junctions plays an important role. In arrays
wher... | 9805121v1 |
2020-07-03 | First-principles study of electronic transport and structural properties of Cu$_{12}$Sb$_4$S$_{13}$ in its high-temperature phase | We present an ab initio study of the structural and electronic transport
properties of tetrahedrite, Cu$_{12}$Sb$_4$S$_{13}$, in its high-temperature
phase. We show how this complex compound can be seen as the outcome of an
ordered arrangement of S-vacancies in a semiconducting fematinite-like
structure (Cu3SbS4). Our ... | 2007.01809v2 |
2015-03-25 | Anisotropy of Thermal Conductivity of Free-Standing Reduced Graphene Oxide Films Annealed at High Temperature | We investigated thermal conductivity of free-standing reduced graphene oxide
films subjected to a high-temperature treatment of up to 1000 C. It was found
that the high-temperature annealing dramatically increased the in-plane thermal
conductivity, K, of the films from 3 W/mK to 61 W/mK at room temperature. The
cross-p... | 1503.07239v1 |
2017-03-07 | Thermodynamic Stabilization of Precipitates through Interface Segregation: Chemical Effects | Precipitation hardening, which relies on a high density of intermetallic
precipitates, is a commonly utilized technique for strengthening structural
alloys. Structural alloys are commonly strengthened through a high density of
small size intermetallic precipitates. At high temperatures, however, the
precipitates coarse... | 1703.02621v2 |
2020-09-29 | High open-circuit voltage in transition metal dichalcogenide solar cells | The conversion efficiency of ultra-thin solar cells based on layered
materials has been limited by their open-circuit voltage, which is typically
pinned to a value under 0.6 V. Here we report an open-circuit voltage of 1.02 V
in a 120 nm-thick vertically stacked homojunction fabricated with
substitutionally doped MoS2.... | 2009.13911v1 |
2019-11-25 | Natural-mixing guided design of refractory high-entropy alloys with as-cast tensile ductility | Multi-principal-element metallic alloys have created a growing interest that
is unprecedented in metallurgical history, in exploring the property limits of
metals and the governing physical mechanisms. Refractory high-entropy alloys
(RHEAs) have drawn particular attention due to their (i) high melting points
and excell... | 1911.10975v1 |
2021-12-23 | Record High Tc Element Superconductivity Achieved In Titanium | It is challenging to search for high Tc superconductivity (SC) in transition
metal elements wherein d electrons are usually not favored by conventional BCS
theory. Here we report discovery of surprising SC up to 310 GPa with Tc above
20 K in wide pressure range from 108 GPa to 240 GPa in titanium. The maximum
Tc^onset ... | 2112.12396v3 |
2022-01-12 | Emergence of superconducting dome in insulating ZrNx films via nitrogen manipulation | Reproducing the electronic phase diagram of strongly correlated
high-transition-temperature (high-Tc) superconductors in materials other than
Cu-, Fe-, and Ni-based compounds has been a challenging task. Only very
recently, a few material systems have partially achieved this goal by band
engineering. In this work, we c... | 2201.04340v2 |
2023-06-22 | Scalable Electrodeposition of Eutectic Indium Gallium from an Acetonitrile-Based Electrolyte for Integrated Stretchable Electronics | For the advancement of highly-integrated stretchable electronics, the
development of scalable sub-micrometer conductor patterning is required.
Eutectic gallium indium EGaIn is an attractive conductor for stretchable
electronics, as its liquid metallic character grants it high electrical
conductivity upon deformation. H... | 2306.12781v2 |
2020-05-28 | High-temperature and Abrasion Resistant Selective Solar Absorber under Ambient Environment | Selective solar absorbers (SSAs) with high performance are the key to
concentrated solar power systems. Optical metamaterials are emerging as a
promising strategy to enhance selective photon absorption, however, the
high-temperature resistance (>500C) remains as one of the main challenges for
their practical applicatio... | 2005.14305v1 |
2015-11-22 | On materials destruction criteria | In terms of nonlinear material fracture mechanics, the real
(discrete)-structure material fracture model has been developed. The model
rests on the demonstration of the fact that crack resistance $K_{1c}=2\sigma
\sqrt l$ and fracture toughness are $G_{1c}=J_{1c}=2\sigma l$ obtained on the
basis of energy conservation l... | 1511.07037v1 |
2021-01-31 | Origin of high hardness and optoelectronic and thermo-physical properties of boron-rich compounds B6X (X = S, Se): a comprehensive study via DFT approach | In the present study, the structural and hitherto uninvestigated mechanical
(elastic stiffness constants, machinability index, Cauchy pressure, anisotropy
indices, brittleness/ductility, Poissons ratio), electronic, optical, and
thermodynamic properties of novel boron-rich compounds B6X (X = S, Se) have
been explored u... | 2102.00446v1 |
2022-10-09 | High-performance non-Fermi-liquid metallic thermoelectric materials | Searching for high-performance thermoelectric (TE) materials in the paradigm
of narrow-bandgap semiconductors has lasted for nearly 70 years and is
obviously hampered by a bottleneck of research now. Here we report on the
discovery of a few metallic compounds, TiFexCu2x-1Sb and TiFe1.33Sb, showing
the thermopower excee... | 2210.04201v1 |
1997-01-06 | The role of intermediate layers in the c-axis conductivity of layered superconductors | A simplified model of c axis transport in the high T_c superconductors is
presented. Expressions are found for the c axis optical conductivity, the d.c.
resistivity, and the c axis penetration depth. Within the framework of this
model, the pseudogap in the optical conductivity arises naturally as a result
of the layere... | 9701029v2 |
1999-06-01 | Current dependence of grain boundary magnetoresistance in La_0.67Ca_0.33MnO_3 films | We prepared epitaxial ferromagnetic manganite films on bicrystal substrates
by pulsed laser ablation. Their low- and high-field magnetoresistance (MR) was
measured as a function of magnetic field, temperature and current. At low
temperatures hysteretic changes in resistivity up to 70% due to switching of
magnetic domai... | 9906007v1 |
2001-04-02 | Antiferromagnetic vortex state in a high-temperature superconductor | There is strong evidence that magnetic interactions play a crucial role in
the mechanism driving high-temperature superconductivity in cuprate
superconductors. To investigate this further we have done neutron scattering
experiments on the simplest high-temperature superconductor La(2-x)Sr(x)CuO(4)
(LSCO) in an applied ... | 0104026v1 |
2004-02-13 | High performance n-doped carbon nanotube field-effect transistors | We describe a robust technique for the fabrication of high performance
vertically scaled n-doped field-effect transistors from large band gap carbon
nanotubes. These devices have a tunable threshold voltage in the
technologically relevant range (-1.3V < V_th < 0.5V) and can carry up to 5-6
muA of current in the on-stat... | 0402350v1 |
2005-04-03 | Dependence of Giant Tunnel Magnetoresistance of Sputtered CoFeB/MgO/CoFeB Magnetic Tunnel Junctions on MgO Barrier Thickness and Annealing Temperatur | We investigated the dependence of giant tunnel magnetoresistance (TMR) on the
thickness of an MgO barrier and on the annealing temperature of sputtered
CoFeB/MgO/CoFeB magnetic tunnel junctions deposited on SiO2/Si wafers. The
resistance-area product exponentially increases with MgO thickness, indicating
that the quali... | 0504051v1 |
2006-05-09 | Subgap conductivity in SIN-junctions of high barrier transparency | We investigate the current-voltage characteristics of high-transparency
superconductor-insulator-normal metal (SIN) junctions with the specific tunnel
resistance below 30 kOhm per square micron. The junctions were fabricated from
different superconducting and normal conducting materials, including Nb, Al,
AuPd and Cu. ... | 0605237v2 |
2002-09-09 | Long-term damage induced by hadrons in silicon detectors for uses at the LHC-accelerator and in space missions | In the present paper, the phenomenological model developed by the authors in
previous papers has been used to evaluate the degradation induced by hadron
irradiation at the future accelerator facilities or by cosmic protons in high
resistivity silicon detectors. The damage has been analysed at the microscopic
(defects p... | 0209086v2 |
2006-11-20 | Correlation between radiation processes in silicon and long-time degradation of detectors for high energy physics experiments | In this contribution, the correlation between fundamental interaction
processes induced by radiation in silicon and observable effects which limit
the use of silicon detectors in high energy physics experiments is investigated
in the frame of a phenomenological model which includes: generation of primary
defects at irr... | 0611185v1 |
2008-07-11 | Electronic liquid crystal state in the high-temperature superconductor YBCO(6.45) | Electronic phases with symmetry properties matching those of conventional
liquid crystals have recently been discovered in transport experiments on
semiconductor heterostructures and metal oxides at milli-Kelvin temperatures.
We report the spontaneous onset of a onedimensional, incommensurate modulation
of the spin sys... | 0807.1861v1 |
2009-08-20 | Scaling relation of the anomalous Hall effect in (Ga,Mn)As | We present magnetotransport studies performed on an extended set of (Ga,Mn)As
samples at 4.2 K with longitudinal conductivities sigma_{xx} ranging from the
low- to the high-conductivity regime. The anomalous Hall conductivity
sigma_{xy}^(AH) is extracted from the measured longitudinal and Hall
resistivities. A transiti... | 0908.2935v1 |
2009-11-11 | Temperature dependent nucleation and annihilation of individual magnetic vortices | We studied the temperature dependence of the magnetization reversal in
individual submicron permalloy disks with micro-Hall and bend-resistance
magnetometry. The nucleation field exhibits a nonmonotonic dependence with
positive and negative slopes at low and high temperatures, respectively, while
the annihilation field... | 0911.2267v1 |
2009-12-08 | Correlating the nanostructure and electronic properties of InAs nanowires | The electronic properties and nanostructure of InAs nanowires are correlated
by creating multiple field effect transistors (FETs) on nanowires grown to have
low and high defect density segments. 4.2 K carrier mobilities are ~4X larger
in the nominally defect-free segments of the wire. We also find that dark field
optic... | 0912.1511v2 |
2012-05-30 | A Path to Higher Q0 with Large Grain Niobium Cavities | The improvement of the quality factor Q0 of superconducting radio-frequency
(SRF) cavities at medium accelerating gradients (20-25 MV/m) is important in
order to reduce the cryogenic losses in continuous wave (CW) accelerators used
for a variety of applications. In recent years, SRF cavities fabricated from
ingot niobi... | 1205.6736v1 |
2013-01-23 | Superconductivity of interface layer at contact between normal metal and high temperature superconductor | In this research, it is shown that there are the necessary physical
conditions to originate the returning superconductivity in the thin interface
layer at the contact between the normal metal and the high temperature
superconductor (N-S contact). The influences by the temperature T, magnetic
field H and direct current ... | 1301.5542v2 |
2015-03-23 | Gate-tunable high mobility remote-doped InSb/In_{1-x}Al_{x}Sb quantum well heterostructures | Gate-tunable high-mobility InSb/In_{1-x}Al_{x}Sb quantum wells (QWs) grown on
GaAs substrates are reported. The QW two-dimensional electron gas (2DEG)
channel mobility in excess of 200,000 cm^{2}/Vs is measured at T=1.8K. In
asymmetrically remote-doped samples with an HfO_{2} gate dielectric formed by
atomic layer depo... | 1503.06710v1 |
2015-09-10 | Crystal Structure of 200 K-Superconducting Phase of Sulfur Hydride System | This article reports the experimentally clarified crystal structure of a
recently discovered sulfur hydride in high temperature superconducting phase
which has the highest critical temperature Tc over 200 K which has been ever
reported. For understanding the mechanism of the high superconductivity, the
information of i... | 1509.03156v1 |
2015-09-13 | High-Mobility Holes in Dual-Gated WSe$_2$ Field-Effect Transistors | We demonstrate dual-gated $p$-type field-effect transistors (FETs) based on
few-layer tungsten diselenide (WSe$_2$) using high work-function platinum
source/drain contacts, and a hexagonal boron nitride top-gate dielectric. A
device topology with contacts underneath the WSe$_2$ results in $p$-FETs with
$I_{ON}$/$I_{OFF... | 1509.03896v1 |
2016-08-02 | High Current Density and Low Thermal Conductivity of Atomically Thin Semimetallic WTe2 | Two-dimensional (2D) semimetals beyond graphene have been relatively
unexplored in the atomically-thin limit. Here we introduce a facile growth
mechanism for semimetallic WTe2 crystals, then fabricate few-layer test
structures while carefully avoiding degradation from exposure to air. Low-field
electrical measurements ... | 1608.00988v1 |
2016-10-25 | Pressure-induced superconductivity in the giant Rashba system BiTeI | At ambient pressure, BiTeI is the first material found to exhibit a giant
Rashba splitting of the bulk electronic bands. At low pressures, BiTeI
undergoes a transition from trivial insulator to topological insulator. At
still higher pressures, two structural transitions are known to occur. We have
carried out a series ... | 1610.08038v1 |
2016-11-27 | Strained GaN Quantum-Well FETs on Single Crystal Bulk AlN Substrates | We report the first realization of molecular beam epitaxy grown strained GaN
quantum well field-effect transistors on single-crystal bulk AlN substrates.
The fabricated double heterostructure FETs exhibit a two- dimensional electron
gas (2DEG) density in excess of 2x10^13/cm2. Ohmic contacts to the 2DEG channel
were fo... | 1611.08914v1 |
2017-09-19 | Design parameter space for a High Pressure Optimized Dense Plasma Focus operating with Deuterium | The potential of the Dense Plasma Focus (DPF) for industrial applications in
many fields is well recognized, although yet to be realized in practice.
Particularly attractive is the possibility of its use as inexpensive industrial
source of nuclear reactions for diverse high value applications such as fast
pulsed neutro... | 1709.06243v1 |
2017-12-09 | Extremely large magnetoresistance and high-density Dirac-like fermions in ZrB2 | We report the detailed study on transport properties of ZrB2 single crystal,
a predicted topological nodal-line semimetal. ZrB2 exhibits extremely large
magnetoresistance as well as field-induced resistivity upturn and plateau.
These behaviors can be well understood by the two-band model with the perfect
electron - hol... | 1712.03362v1 |
2018-11-01 | Ultra-thin low frequency perfect sound absorber with high ratio of active area | A concept of ultra-thin low frequency perfect sound absorber is proposed and
demonstrated experimentally. To minimize non-linear effects, an high ratio of
active area to total area is used to avoid large localized amplitudes. The
absorber consists of three elements: a mass supported by a very flexible
membrane, a cavit... | 1811.00897v1 |
2019-06-28 | High pO2 Floating Zone Crystal Growth of the Perovskite Nickelate PrNiO3 | Single crystals of PrNiO3 were grown under an oxygen pressure of 295 bar
using a unique high-pressure optical-image floating zone furnace. The crystals,
with volume in excess of 1 mm3, were characterized structurally using single
crystal and powder X-ray diffraction. Resistivity, specific heat, and magnetic
susceptibil... | 1907.00078v1 |
2020-02-17 | Characterization of High-Purity Germanium (Ge) Crystals for Developing Novel Ge Detectors | High-purity germanium (HPGe) crystals are required to be well-characterized
before being fabricated into Ge detectors. The characterization of HPGe
crystals is often performed with the Hall Effect system, which measures the
carrier concentration, the Hall mobility, and the electrical resistivity. The
reported values ha... | 2002.07706v2 |
2016-03-13 | A sub-1-volt analog metal oxide memristive-based synaptic device for energy-efficient spike-based computing systems | Nanoscale metal oxide memristors have potential in the development of
brain-inspired computing systems that are scalable and efficient1-3. In such
systems, memristors represent the native electronic analogues of the biological
synapses. However, the characteristics of the existing memristors do not fully
support the ke... | 1603.03979v1 |
2017-07-24 | Probing local lattice distortion in medium- and high-entropy alloys | The atomic-level tunability that results from alloying multiple transition
metals with d electrons in concentrated solid solution alloys (CSAs), including
high-entropy alloys (HEAs), has produced remarkable properties for advanced
energy applications, in particular, damage resistance in high-radiation
environments. The... | 1707.07745v1 |
2019-12-02 | Probing intraband excitations in ZrTe$_5$: a high-pressure infrared and transport study | Zirconium pentatetelluride, ZrTe5, shows remarkable sensitivity to
hydrostatic pressure. In this work we address the high-pressure transport and
optical properties of this compound, on samples grown by flux and charge vapor
transport. The high-pressure resistivity is measured up to 2 GPa, and the
infrared transmission ... | 1912.00942v2 |
2019-12-23 | Change of electronic properties on transition from high-entropy to Ni-rich (TiZrNbCu)(1-x)Ni(x) alloys | We present results of comprehensive study of electronic properties of
(TiZrNbCu)(1-x)Ni(x) metallic glasses performed in broad composition range x
encompassing both, high entropy (HE) range, and conventional Ni-base alloy
concentration range, x >= 0.35. The electronic structure studied by
photoemission spectroscopy and... | 1912.11133v1 |
2012-03-27 | Graphene-Graphite Quilts for Thermal Management of High-Power GaN Transistors | Self-heating is a severe problem for high-power GaN electronic and
optoelectronic devices. Various thermal management solutions, e.g. flip-chip
bonding or composite substrates have been attempted. However, temperature rise
still limits applications of the nitride-based technology. Here we demonstrate
that thermal manag... | 1203.6099v1 |
2018-12-06 | Technologies for Future Vertex and Tracking Detectors at CLIC | CLIC is a proposed linear $e^{+}e^{-}$ collider with center-of-mass energies
of up to $3\,\textrm{TeV}$. Its main objectives are precise top quark and Higgs
boson measurements, as well as searches for Beyond Standard Model physics. To
meet the physics goals, the vertex and tracking detectors require not only a
spatial ... | 1812.02625v1 |
2019-06-22 | Dynamic enlargement of a hole in a sheet: crater formation and propagation of cylindrical shock waves | Predicting the shape of a crater formed by high velocity impact is of
interest in several fields. It can aid in design of more efficient protective
structures, in forensic analysis of bullet holes, and in understanding the
effects of meteorite impact in both space systems and in extreme geological
events. In this paper... | 1906.09514v1 |
2019-10-08 | Visualizing dissipative charge carrier dynamics at the nanoscale with superconducting charge qubit microscopy | The investigation of novel electronic phases in low-dimensional quantum
materials demands for the concurrent development of new measurement techniques
that combine surface sensitivity with high spatial resolution and high
measurement accuracy. We propose a new quantum sensing imaging modality based
on superconducting c... | 1910.03583v2 |
2020-06-05 | Anomalous dependence of thermoelectric parameters on carrier concentration and electronic structure in Mn-substituted Fe2CrAl Heusler alloy | We investigate the high temperature thermoelectric properties of Heusler
alloys Fe2-xMnxCrAl (0<x<1). Substitution of 12.5% Mn at Fe-site (x = 0.25)
causes a significant increase in high temperature resistivity (\r{ho}) and an
enhancement in the Seebeck coefficient (S), as compared to the parent alloy.
However, as the ... | 2006.03234v2 |
2020-06-24 | Tip-induced oxidation of silicene nano-ribbons | We report on the oxidation of self-assembled silicene nanoribbons grown on
the Ag(110) surface using Scanning Tunneling Microscopy and High-Resolution
Photoemission Spectroscopy. The results show that silicene nanoribbons present
a strong resistance towards oxidation using molecular oxygen. This can be
overcome by incr... | 2006.13780v1 |
2020-08-06 | Melting and decomposition of orthorhombic B6Si under high pressure | Melting of orthorhombic boron silicide B6Si has been studied at pressures up
to 8 GPa using in situ electrical resistivity measurements and quenching. It
has been found that in the 2.6-7.7 GPa range B6Si melts congruently, and the
melting curve exhibits negative slope of -31(2) K/GPa that points to a higher
density of ... | 2008.02739v1 |
2020-11-02 | GaN/AlGaN 2DEGs in the quantum regime: Magneto-transport and photoluminescence to 60 tesla | Using high magnetic fields up to 60 T, we report magneto-transport and
photoluminescence (PL) studies of a two-dimensional electron gas (2DEG) in a
GaN/AlGaN heterojunction grown by molecular-beam epitaxy. Transport
measurements demonstrate that the quantum limit can be exceeded (Landau level
filling factor $\nu < 1$),... | 2011.01365v1 |
2021-05-31 | Effect of Zr and Al Addition on Nanocluster Formation in Oxide Dispersion Strenghthened Steel-an ab initio Study | Conventional Oxide dispersion strengthened steels are characterized by
thermally stable, high density of Y-Ti-O nanoclusters, which are responsible
for their high creep strength. Ti plays a major role in obtaining a high
density of ultrafine particles of optimum size range of 2-10 nm. In
Al-containing ODS steels develo... | 2105.15063v1 |
2021-06-07 | Accelerated Corrosion of High Entropy Alloys under Tensile Stress | High entropy alloys are finding significant scientific interest due to their
exotic microstructures and exceptional properties resulting thereof. These
alloys have excellent corrosion resistance and may find broad range of
applications from bio-implants, aerospace components and nuclear industry. A
critical performance... | 2106.03690v1 |
2021-07-09 | Excavation Learning for Rigid Objects in Clutter | Autonomous excavation for hard or compact materials, especially irregular
rigid objects, is challenging due to high variance of geometric and physical
properties of objects, and large resistive force during excavation. In this
paper, we propose a novel learning-based excavation planning method for rigid
objects in clut... | 2107.04171v1 |
2021-07-17 | Vacancy tuned thermoelectric properties and high spin filtering performance in graphene/silicene heterostructures | The main contribution of this paper is to study the spin caloritronic effects
in defected graphene/silicene nanoribbon (GSNR) junctions. Each step-like GSNR
is subjected to the ferromagnetic exchange and local external electric fields,
and their responses are determined using the nonequilibrium Greens function
(NEGF) a... | 2107.08240v1 |
2021-12-24 | Anisotropic thermal expansion and electronic transitions in the Co$_3$BO$_5$ ludwigite | The investigations of the crystal structure, magnetic and electronic
properties of the Co$_3$BO$_5$ at high temperatures were carried out using
powder x-ray diffraction, magnetic susceptibility, electrical resistivity, and
thermopower measurements. The orthorhombic symmetry (Sp.gr. Pbam) was
established at 300 K and no... | 2112.12941v1 |
2022-01-03 | Deep-potential enabled multiscale simulation of gallium nitride devices on boron arsenide cooling substrates | High-efficient heat dissipation plays critical role for high-power-density
electronics. Experimental synthesis of ultrahigh thermal conductivity boron
arsenide (BAs, 1300 W m-1K-1) cooling substrates into the wide-bandgap
semiconductor of gallium nitride (GaN) devices has been realized. However, the
lack of systematic ... | 2201.00516v3 |
2022-04-01 | Tuning of Carrier Concentration and Superconductivity in High-Entropy-Alloy-Type Metal Telluride (AgSnPbBi)(1-x)/4InxTe | High-entropy-alloy-type (HEA-type) compound superconductors have been drawing
much attention as a new class of exotic superconductors with local structural
inhomogeneity. NaCl-type (Ag,In,Sn,Pb,Bi)Te is a typical HEA-type
superconductor, but the carrier doping mechanism had been unclear. In this
study, we synthesized (... | 2204.00407v1 |
2022-04-30 | Fluorinated graphene films with graphene quantum dots for electronic applications | This work analyzes carrier transport, the relaxation of non-equilibrium
charge, and the electronic structure of fluorinated graphene (FG) films with
graphene quantum dots (GQDs). The FG films with GQDs were fabricated by means
of chemical functionalization in an aqueous solution of hydrofluoric acid. High
fluctuations ... | 2205.00205v1 |
2022-06-09 | Field-tunable Weyl points and large anomalous Hall effects in degenerate magnetic semiconductor EuMg$_2$Bi$_2$ | Magnets, with topologically-nontrivial Dirac/Weyl points, have recently
attracted significant attention owing to the unconventional physical
properties, such as large anomalous Hall effects. However, they typically have
a high carrier density and complicated band structure near the Fermi energy. In
this study, we repor... | 2206.04577v1 |
2023-09-12 | High-pressure hydrothermal growth and characterization of Sr3Os4O14 single crystals | Single crystals of the novel strontium osmate Sr3Os4O14 have been grown by
the hydrothermal method using opposed anvil high-pressure and high-temperature
technique. The reaction took place in sealed gold capsules at 3 GPa and a
temperature of 1100 C, with water acting as a solvent. The employed method
yields up to 1 mm... | 2309.06138v1 |
2024-02-04 | Comparative study on high temperature mechanical behavior in 3YTZP containing SWCNTs or MWCNTs | Effects on mechanical properties of the presence of either single-walled
carbon nanotubes (SWCNTs) or multi-walled carbon nanotubes (MWCNTs) in a 3YTZP
matrix have been investigated in this work. Thus, monolithic 3YTZP and 3YTZP
containing 2.5 vol% either SWCNTs or MWCNTs were fabricated by Spark Plasma
Sintering (SPS)... | 2402.08130v1 |
2024-03-29 | Synthesis of CaKFe$_4$As$_4$ bulk samples with high critical current density using a spark plasma sintering technique | A high density CaKFe$_4$As$_4$ bulk sample was successfully synthesized using
a spark plasma sintering (SPS) technique. The density of the synthesized sample
was 5.02 g cm$^{-3}$, corresponding to 96.2% of the theoretical density of
CaKFe$_4$As$_4$. Moreover, a reasonably high Vickers hardness of 1 GPa was
measured. Th... | 2403.19981v1 |
2016-07-11 | Role of carbon nanotube diameter on thermal interfacial resistance through the analysis of vibrational mismatch: A Molecular Dynamics approach | Carbon nanotube (CNT) have been known to increase the heat transfer at the
solid-liquid interfaces, but have a limitation due to the interfacial thermal
resistance. Vibrational mismatch at the interface leads to this interfacial
thermal resistance, which plays an important role in energy transfer at the
boundary. Negli... | 1607.03379v2 |
2016-07-22 | Using machine learning to identify factors that govern amorphization of irradiated pyrochlores | Structure-property relationships is a key materials science concept that
enables the design of new materials. In the case of materials for application
in radiation environments, correlating radiation tolerance with fundamental
structural features of a material enables materials discovery. Here, we use a
machine learnin... | 1607.06789v1 |
2018-11-25 | Electrical and Thermal Properties of SnTe/Sb2Te3 Superlattice Phase Change Materials | The fundamental electrical and thermal properties of the devices consisting
of SnxTe1-x/Sb2Te3 superlattice (SnTeSL) materials have been investigated and
compared with those of the conventional Ge2Sb2Te5 (GST225) and GeTe/Sb2Te3
superlattice (GeTeSL) in terms of their resistance switching characteristics. A
significant... | 1811.09969v2 |
2018-12-11 | Thermal resistance by transition between collective and non-collective phonon flows in graphitic materials | Phonons in graphitic materials exhibit strong normal scattering
(N-scattering) compared to umklapp scattering (U-scattering). The strong
N-scattering cause collective phonon flow, unlike the relatively common cases
where U-scattering is dominant. If graphitic materials have finite size and
contact with hot and cold res... | 1812.04703v1 |
2021-04-15 | Gas Sensing Properties of single-material SnP3 logical junction via Negative Differential Resistance: Theoretical Study | The field of 2D materials has gained a lot of attention for vast range of
applications. Amongst others, the sensing ability towards harmful gases is the
application, which we explored in the present work using quantum-mechanical
simulations for the SnP3 material. Its electronic properties, namely 1 and 2
layers being s... | 2104.07702v1 |
2022-05-23 | Absorption bias: An ideal descriptor for radiation tolerance of nanocrystalline BCC metals | To evaluate the radiation tolerance of nanocrystalline (NC) materials, the
damage effects of Fe and W as typical body-centered cubic (BCC) metals under
uniform irradiation are studied by a sequential multi-scale modelling
framework. An ideal descriptor, the absorption bias (the ratio of the
absorption abilities of grai... | 2205.11050v1 |
2009-04-20 | Successive phase transitions under high pressure in FeTe0.92 | We performed magnetization and electrical resistivity measurements under high
pressures of up to 19 GPa for FeTe0.92. The compound shows an anomaly in
magnetization and resistivity at atmospheric pressure due to a structural
distortion accompanied by a magnetic transition. We also observed magnetic and
resistive anomal... | 0904.2945v2 |
2012-11-24 | High Rate Resistive Plate Chamber for LHC detector upgrades | The limitation of the detection rate of standard bakelite resistive plate
chambers (RPC) used as muon detectors in the LHC experiments has prevented the
use of such detectors in the high rate regions in both CMS and ATLAS detectors.
One alternative to these detectors are RPCs made with low resistivity glass
plates ($10... | 1211.5698v1 |
2018-06-21 | Mutation rate variability as a driving force in adaptive evolution | Mutation rate is a key determinant of the pace as well as outcome of
evolution, and variability in this rate has been shown in different scenarios
to play a key role in evolutionary adaptation and resistance evolution under
stress caused by selective pressure. Here we investigate the dynamics of
resistance fixation in ... | 1806.08454v2 |
2015-03-13 | Paper-based spintronics: magneto-resistivity of permalloy deposited onto paper substrates | Driven by low-cost, resource abundance and distinct material properties, the
use of paper in electronics, optics and fluidics is under investigation.
Considering sensor systems based on magneto-resistance principles (anisotropic,
giant, tunnel) that are conventionally manufactured onto inorganic
semiconductor materials... | 1503.04853v2 |
2002-12-16 | Effects of Boron Purity, Mg Stoichiometry and Carbon Substitution on Properties of Polycrystalline MgB$_{2}$ | By synthesizing MgB$_{2}$ using boron of different nominal purity we found
values of the residual resistivity ratio ($RRR = R(300 K) / R(42 K)$) from 4 to
20, which covers almost all values found in literature. To obtain high values
of $RRR$, high purity reagents are necessary. With the isotopically pure boron
we obtai... | 0212385v1 |
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