publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2020-12-24 | Backflow in simulated MHD accretion disks | We perform resistive MHD simulations of accretion disk with alpha-viscosity,
accreting onto a rotating star endowed with a magnetic dipole. We find backflow
in the presence of strong magnetic field and large resistivity, and probe for
the dependence on Prandtl number. We find that in the magnetic case the
distance from... | 2012.13194v1 |
2021-10-05 | Density-Driven Resistance Response in $MnS_{2}$: Theory | A colossal insulator-to-metal transition in high-spin pyrite phase of
$MnS_{2}$ has been experimentally observed \cite{colomns2}. There are two
possibilities behind this colossal insulator-to-metal transition: (1) migration
of $Mn$ electrons to unoccupied $S^{2-}_{2}$ antibonding states under pressure
which leads to co... | 2110.01902v1 |
2022-07-25 | Superconductor--Insulator Transition in a non-Fermi Liquid | We present a model of a strongly correlated system with a non-Fermi liquid
high temperature phase. Its ground state undergoes an insulator to
superconductor quantum phase transition (QPT) as a function of a pairing
interaction strength. Both the insulator and the superconductor are originating
from the same interaction... | 2207.12307v1 |
2024-01-19 | Asymptotic behavior of solution of the non-resistive 2D MHD equations on the half space | In this paper, we obtain the global well-posedness and the asymptotic
behavior of solution of non-resistive 2D MHD problem on the half space. We
overcome the difficulty of zero spectrum gap by building the relationship
between half space and the whole space, and get the resolvent estimate for the
weak diffusion system.... | 2401.10456v1 |
2005-03-22 | Theoretical current-voltage characteristics of ferroelectric tunnel junctions | We present the concept of ferroelectric tunnel junctions (FTJs). These
junctions consist of two metal electrodes separated by a nanometer-thick
ferroelectric barrier. The current-voltage characteristics of FTJs are analyzed
under the assumption that the direct electron tunneling represents the dominant
conduction mecha... | 0503546v1 |
2013-04-09 | Active control of magnetoresistance of organic spin valves using ferroelectricity | Organic spintronic devices have been appealing because of the long spin life
time of the charge carriers in the organic materials and their low cost,
flexibility and chemical diversity. In previous studies, the control of
resistance of organic spin valves is generally achieved by the alignment of the
magnetization dire... | 1304.2446v2 |
2017-12-22 | The Role of Oxygen in Ionic Liquid Gating on 2D Cr2Ge2Te6: a Non-Oxide Material | Ionic liquid gating can markedly modulate the materials' carrier density so
as to induce metallization, superconductivity, and quantum phase transitions.
One of the main issues is whether the mechanism of ionic liquid gating is an
electrostatic field effect or an electrochemical effect, especially for oxide
materials. ... | 1712.08281v1 |
2022-11-30 | Anomalous magneto-thermoelectric behavior in massive Dirac materials | Extensive studies of electron transport in Dirac materials have shown
positive magneto-resistance (MR) and positive magneto-thermopower (MTP) in a
magnetic field perpendicular to the excitation current or thermal gradient. In
contrast, measurements of electron transport often show a negative longitudinal
MR and negativ... | 2211.17027v1 |
2022-12-01 | Process parameter sensitivity of the energy absorbing properties of additively manufactured metallic cellular materials | Additive Manufacturing (AM) has enabled the fabrication of metallic cellular
materials that are of interest in the design of lightweight impact resistant
structures. However, there is a need to understand the interactions between:
(i) the material architecture, (ii) the AM process parameters, and (iii) the
as-built geo... | 2212.00438v1 |
2023-09-11 | Button Shear Testing for Adhesion Measurements of 2D Materials | Two-dimensional (2D) materials are considered for numerous applications in
microelectronics, although several challenges remain when integrating them into
functional devices. Weak adhesion is one of them, caused by their chemical
inertness. Quantifying the adhesion of 2D materials on three-dimensional
surfaces is, ther... | 2309.05852v3 |
1997-05-09 | Small-q electron-phonon scattering and linear dc resistivity in high-T_c oxides | We examine the effect on the DC resistivity of small-q electron-phonon
scattering, in a system with the electronic topology of the high-T_c oxides.
Despite the fact that the scattering is dominantly forward, its contribution to
the transport can be significant due to ``ondulations'' of the bands in the
flat region and ... | 9705085v1 |
1999-05-14 | Universal scaling of Hall resistivity in clean and moderately clean limits for Hg- and Tl-based superconductors | The mixed-state Hall resistivity and the longitudinal resistivity in
HgBa_{2}CaCu_{2}O_{6}, HgBa_{2}Ca_{2}Cu_{3}O_{8}, and Tl_{2}Ba_{2}CaCu_{2}O_{8}
thin films have been investigated as functions of the magnetic field up to 18
T. We observe the universal scaling behavior between \rho_{xy} and \rho_{xx} in
the regions o... | 9905201v1 |
1999-10-04 | Normal State Resistivity of Underdoped YBa2Cu3Ox Thin Films and La2-xSrxCuO4 Ultra-Thin Films under Epitaxial Strain | The normal state resistivity of high temperature superconductors can be
probed in the region below Tc by suppressing the superconducting state in high
magnetic fields. Here we present the normal state properties of YBa2Cu3Ox thin
films in the underdoped regime and the normal state resistance of La2-xSrxCuO4
thin films ... | 9910033v1 |
2001-03-04 | Effect of the In-Plane Magnetic Field on Conduction of the Si-inversion Layer: Magnetic Field Driven Disorder | We compare the effects of temperature, disorder and parallel magnetic field
on the metallic-like temperature dependence of the resistivity. We found a
similarity between the effects of disorder and parallel field: the parallel
field weakens the metallic-like conduction in high mobility samples and make it
similar to th... | 0103087v2 |
2001-11-20 | High-pressure study on the superconducting pyrochlore oxide Cd2Re2O7 | Superconducting and structural phase transitions in a pyrochlore oxide
Cd2Re2O7 are studied under high pressure by x-ray diffraction and electrical
resistivity measurements. A rich P-T phase diagram is obtained, which contains
at least two phases with the ideal and slightly distorted pyrochlore
structures. It is found ... | 0111388v2 |
2002-10-02 | Two-band effects in transport properties of MgB2 | We present resistivity and thermal conductivity measurements on bulk samples,
prepared either by a standard method or by a one-step technique. The latter
samples, due to their high density and purity, show residual resistivity values
as low as 0.5 mW cm and thermal conductivity values as high as 215 W/mK, higher
than t... | 0210047v2 |
2003-07-31 | Radiation-intensity and temperature dependence of microwave-induced magnetoresistance oscillations in high-mobility two-dimensional electron systems | We present a detailed theoretical investigation on the radiation induced
giant magnetoresistance oscillations recently discovered in high-mobility
two-dimensional electron gas. Electron interactions with impurities, transverse
and longitudinal acoustic phonons in GaAs-based heterosystems are considered
simultaneously. ... | 0307757v1 |
2003-09-29 | Andreev reflection and enhanced subgap conductance in NbN/Au/InGaAs-InP junctions | We report on the fabrication of highly transparent superconductor/normal
metal/two-dimensional electron gas junctions formed by a superconducting NbN
electrode, a thin (10nm) Au interlayer, and a two-dimensional electron gas in a
InGaAs/InP heterostructure. High junction transparency has been achieved by
exploiting of ... | 0309682v2 |
2004-01-07 | Large positive magneto-resistance in high mobility 2D electron gas : interplay of short and long range disorder | We have observed a large positive quasi-classical magneto-resistance (MR) in
a high mobility 2D electron gas in AlGaAs/GaAs heterostructure. The
magneto-resistance is non-saturating and increases with magnetic field as
$\rho_{xx}\sim B^{\alpha} (\alpha=0.9-1.2)$. In antidot lattices a
non-monotonic MR is observed. We s... | 0401085v2 |
2004-03-01 | Electronic Phase Diagram of High-T_c Cuprate Superconductors from a Mapping of the In-Plane Resistivity Curvature | We propose that Resistivity Curvature Mapping (RCM) based on the in-plane
resistivity data is a useful way to objectively draw an electronic phase
diagrams of high-T_c cuprates, where various crossovers are important. In
particular, the pseudogap crossover line can be conveniently determined by RCM.
We show experimenta... | 0403032v2 |
2004-12-15 | The resistive transition and Meissner effect in carbon nanotubes: Evidence for quasi-one-dimensional superconductivity above room temperature | It is well known that copper-based perovskite oxides rightly enjoy consensus
as high-temperature superconductors on the basis of two signatures: the
resistive transition and the Meissner effect. We show that the resistive
transitions in carbon nanotubes agree quantitatively with the
Langer-Ambegaokar-McCumber-Halperin ... | 0412382v2 |
2005-02-09 | Low-temperature nodal-quasiparticle transport in lightly doped YBa_{2}Cu_{3}O_{y} near the edge of the superconducting doping regime | In-plane transport properties of nonsuperconducting YBa_{2}Cu_{3}O_{y} (y =
6.35) are measured using high-quality untwinned single crystals. We find that
both the a- and b-axis resistivities show log(1/T) divergence down to 80 mK,
and accordingly the thermal conductivity data indicate that the nodal
quasiparticles are ... | 0502223v2 |
2006-04-19 | Transport Properties of Granular High-TC Superconductors | We report on the application of the Resistively Shunted Junction (RSJ) model
to granular high-TC superconductors. Some derived predictions of the RSJ model
are applied to a set of superconducting granular samples which can be
considered as a network of Josephson junctions. The investigated samples belong
to both hole-d... | 0604460v1 |
2006-10-05 | Unconventional resistivity at the border of metallic antiferromagnetism in NiS2 | We report low-temperature and high-pressure measurements of the electrical
resistivity \rho(T) of the antiferromagnetic compound NiS_2 in its
high-pressure metallic state. The form of \rho(T) suggests that metallic
antiferromagnetism in NiS_2 is quenched at a critical pressure p_c=76+-5 kbar.
Near p_c the temperature v... | 0610166v1 |
2009-05-29 | Ferromagnetic quantum phase transition in Sr$_{1-x}$Ca$_x$RuO$_3$ thin films | The ferromagnetic quantum phase transition in the perovskite ruthenate
Sr$_{1-x}$Ca$_x$RuO$_3$ is studied by low-temperature magnetization and
electrical resistivity measurements on thin films. The films were grown
epitaxially on SrTiO$_3$ substrates using metalorganic aerosol deposition and
characterized by X-ray diff... | 0905.4885v1 |
2009-08-10 | Temperature Dependence of Magnetophonon Resistance Oscillations in GaAs/AlAs Heterostructures at High Filling Factors | The temperature dependence of phonon-induced resistance oscillations has been
investigated in two-dimensional electron system with moderate mobility at large
filling factors at temperature range T = 7.4 - 25.4 K. The amplitude of
phonon-induced oscillations has been found to be governed by quantum relaxation
time which... | 0908.1293v2 |
2009-10-09 | Electromagnetic response of LaO_0.94F_0.06FeAs: AC susceptibility and microwave surface resistance | We discuss on the electromagnetic response of a polycrystalline sample of
LaO_0.94F_0.06FeAs exposed to DC magnetic fields up to 10 kOe. The low- and
high-frequency responses have been investigated by measuring the AC
susceptibility at 100 kHz and the microwave surface resistance at 9.6 GHz. At
low as well as high DC m... | 0910.1805v1 |
2010-08-04 | High-Pressure Electrical Resistivity Measurements of EuFe2As2 Single Crystals | High-pressure electrical resistivity measurements up to 3.0GPa have been
performed on EuFe2As2 single crystals with residual resistivity ratios RRR=7
and 15. At ambient pressure, a magnetic / structural transition related to
FeAs-layers is observed at T0 =190K and 194K for samples with RRR=7 and 15,
respectively. Appli... | 1008.0684v1 |
2010-12-26 | Superconductivity at 32 K in single crystal Rb$_{0.78}$Fe$_2$Se$_{1.78}$} | We successfully grew the high-quality single crystal of
Rb$_{0.78}$Fe$_2$Se$_{1.78}$, which shows sharp superconducting transition in
magnetic susceptibility and electrical resistivity. Resistivity measurements
show the onset superconducting transition ($T_{\rm c}$) at 32.1 K and zero
resistivity at 30 K. From the low-... | 1012.5525v1 |
2012-07-23 | Quantum oscillations and high carrier mobility in the delafossite PdCoO$_2$ | We present de Haas-van Alphen and resistivity data on single crystals of the
delafossite PdCoO2. At 295 K we measure an in-plane resistivity of 2.6
\mu{\Omega}-cm, making PdCoO2 the most conductive oxide known. The
low-temperature in-plane resistivity has an activated rather than the usual T^5
temperature dependence, s... | 1207.5402v1 |
2012-10-02 | Magnetotransport in graphene on silicon side of SiC | We have studied the transport properties of graphene grown on silicon side of
SiC. Samples under study have been prepared by two different growth methods in
two different laboratories. Magnetoresistance and Hall resistance have been
measured at temperatures between 4 and 100 K in resistive magnet in magnetic
fields up ... | 1210.0744v2 |
2013-01-02 | Plasmoid Instability in High-Lundquist-Number Magnetic Reconnection | Our understanding of magnetic reconnection in resistive magnetohydrodynamics
has gone through a fundamental change in recent years. The conventional wisdom
is that magnetic reconnection mediated by resistivity is slow in laminar high
Lundquist ($S$) plasmas, constrained by the scaling of the reconnection rate
predicted... | 1301.0331v2 |
2013-02-09 | mrPUF: A Memristive Device based Physical Unclonable Function | Physical unclonable functions (PUFs) exploit the intrinsic complexity and
irreproducibility of physical systems to generate secret information. PUFs have
the potential to provide fundamentally higher security than traditional
cryptographic methods by preventing the cloning of identities and the
extraction of secret key... | 1302.2191v1 |
2013-04-24 | A highly resistive layer within the crust of X-ray pulsars limits their spin periods | The lack of X-ray pulsars with spin periods > 12 s raises the question of
where the population of evolved high magnetic field neutron stars has gone.
Unlike canonical radio pulsars, X-ray pulsars are not subject to physical
limits to the emission mechanism nor observational biases against the detection
of sources with ... | 1304.6546v2 |
2014-05-05 | Hall field-induced resistance oscillations in Ge/SiGe quantum wells | We report on a magnetotransport study in a high-mobility 2D hole gas hosted
in a pure Ge/SiGe quantum well subject to dc electric fields and high frequency
microwave radiation. We find that under applied dc bias the differential
resistivity exhibits a pronounced maximum at a magnetic field which increases
linearly with... | 1405.1093v1 |
2014-07-28 | An apparent metal insulator transition in high mobility 2D InAs heterostructures | We report on the first experimental observation of an apparent metal
insulator transition in a 2D electron gas confined in an InAs quantum well. At
high densities we find that the carrier mobility is limited by background
charged impurities and the temperature dependence of the resistivity shows a
metallic behavior wit... | 1407.7541v3 |
2014-11-01 | Unusual resistance-voltage dependence of nanojunctions during electromigration in ultra-high vacuum | The electrical resistance R of metallic nanocontacts subjected to controlled
cyclic electromigration in ultra-high vacuum has been investigated in-situ as a
function of applied voltage V. For sufficiently small contacts, i.e., large
resistance, a decrease of R(V) while increasing V is observed. This effect is
tentative... | 1411.0105v1 |
2015-01-15 | High Pressure Measurements of the Resistivity of $β$-YbAlB$_4$ | The electric resistivity $\rho(T)$ under hydrostatic pressure up to 8 GPa was
measured above 2 K using a high-quality single crystal of the Yb-based heavy
fermion system $\beta$-YbAlB$_4$. We found pressure-induced magnetic ordering
above the critical pressure $P_{\rm c} \approx $ 2.4 GPa. This phase transition
tempera... | 1501.03852v1 |
2015-12-17 | Alfvén Wave Heating of the Solar Chromosphere: 1.5D models | Physical processes which may lead to solar chromospheric heating are analyzed
using high-resolution 1.5D non-ideal MHD modelling. We demonstrate that it is
possible to heat the chromospheric plasma by direct resistive dissipation of
high-frequency Alfv\'en waves through Pedersen resistivity. However this is
unlikely to... | 1512.05816v1 |
2016-02-14 | Ultra-sensitive nanoscale magnetic field sensors based on resonant spin filtering | Solid state magnetic field sensors based on magneto-resistance modulation
find direct applications in communication devices, specifically in proximity
detection, rotational reference detection and current sensing. In this work, we
propose sensor structures based on the magneto-resistance physics of resonant
spin-filter... | 1602.04438v1 |
2016-04-10 | Terahertz-induced resistance oscillations in high mobility two-dimensional electron systems | We report on a theoretical work on magnetotransport under terahertz radiation
with high mobility two-dimensional electron systems. We focus on the
interaction between the obtained radiation-induced magnetoresistance
oscillations (RIRO) and the Shubnikov-de Haas (SdHO) oscillations. We study two
effects experimentally o... | 1604.02721v1 |
2016-05-12 | Improved Contacts to MoS2 Transistors by Ultra-High Vacuum Metal Deposition | The scaling of transistors to sub-10 nm dimensions is strongly limited by
their contact resistance (Rc). Here we present a systematic study of scaling
MoS2 devices and contacts with varying electrode metals and controlled
deposition conditions, over a wide range of temperatures (80 to 500 K), carrier
densities (10^12 t... | 1605.03972v2 |
2016-10-03 | A variational approach to resistive relativistic plasmas | We develop an action principle to construct the field equations for a
multi-fluid system containing charge-neutral fluids, plasmas, and dissipation
(via resistive interactions), by combining the standard, Maxwell action and
minimal coupling of the electromagnetic field with a recently developed action
for relativistic ... | 1610.00445v1 |
2017-02-06 | Semiempirical Modeling of Reset Transitions in Unipolar Resistive-Switching Based Memristors | We have measured the transition process from the high to low resistivity
states, i.e., the reset process of resistive switching based memristors based
on Ni/HfO2/Si-n+ structures, and have also developed an analytical model for
their electrical characteristics. When the characteristic curves are plotted in
the current-... | 1702.01533v1 |
2017-02-28 | Evidence for conventional superconductivity in Sr0.1Bi2Se3 from high pressure studies | SrxBi2Se3 is recently reported to be a superconductor derived from
topological insulator Bi2Se3. It shows a maximum resistive Tc of 3.25 K at
ambient pressure. We report magnetic (upto 1 GPa) and transport properties
(upro 8 Gpa) under pressure for single crystalline Sr0.1Bi2Se3 superconductor.
Magnetic measurements sh... | 1702.08829v1 |
2017-12-21 | DC resistivity of quantum critical, charge density wave states from gauge-gravity duality | In contrast to metals with weak disorder, the resistivity of weakly-pinned
charge density waves (CDWs) is not controlled by irrelevant processes relaxing
momentum. Instead, the leading contribution is governed by incoherent,
diffusive processes which do not drag momentum and can be evaluated in the
clean limit. We comp... | 1712.07994v2 |
2018-09-27 | p-GaAs nanowire MESFETs with near-thermal limit gating | Difficulties in obtaining high-performance p-type transistors and gate
insulator charge-trapping effects present two major challenges for III-V
complementary metal-oxide semiconductor (CMOS) electronics. We report a p-GaAs
nanowire metal-semiconductor field-effect transistor (MESFET) that eliminates
the need for a gate... | 1809.10479v1 |
2018-10-07 | High-resolution disruption halo current measurements using Langmuir probes in Alcator C-Mod | Halo currents generated during disruptions on Alcator C-Mod have been
measured with Langmuir "rail" probes. These rail probes are embedded in a lower
outboard divertor module in a closely-spaced vertical (poloidal) array. The
dense array provides detailed resolution of the spatial dependence (~1 cm
spacing) of the halo... | 1810.03207v1 |
2020-04-27 | The Resistivity of High-Tc Cuprates | We show that the resistivity in each phase of the High-Tc cuprates is a
special case of a general expression derived from the Kubo formula. We obtain,
in particular, the T-linear behavior in the strange metal (SM) and upper
pseudogap (PG) phases, the pure $T^2$, Fermi liquid (FL) behavior observed in
the strongly overd... | 2004.12785v1 |
2012-01-05 | Phonon-limited transport coefficients in extrinsic graphene | The effect of electron-phonon scattering processes over the thermoelectric
properties of extrinsic graphene was studied. Electrical and thermal
resistivity, as well as the thermopower, were calculated within the Bloch
theory approximations. Analytical expressions for the different transport
coefficients were obtained f... | 1201.1057v1 |
2012-01-27 | Giant negative magnetoresistance in high-mobility 2D electron systems | We report on a giant negative magnetoresistance in very high mobility
GaAs/AlGaAs heterostructures and quantum wells. The effect is the strongest at
$B \simeq 1$ kG, where the magnetoresistivity develops a minimum emerging at $T
\lesssim 2$ K. Unlike the zero-field resistivity which saturates at $T \simeq 2
$ K, the re... | 1201.5679v1 |
2019-03-12 | DEM simulation of soil-tool interaction under extraterrestrial environmental effects | In contrast to terrestrial environment, the harsh lunar environment
conditions include lower gravity acceleration, ultra-high vacuum and high (low)
temperature in the daytime (night-time). This paper focuses on the effects of
those mentioned features on soil cutting tests, a simplified excavation test,
to reduce the ri... | 1903.04821v1 |
2019-04-05 | Superconductivity in the dilute single band limit in reduced Strontium Titanate | We report on superconductivity in single crystals of SrTiO$_{3-\delta}$ with
carrier densities $\textit{n} < 1.4 \times10^{18}cm^{-3}$, where only a single
band is occupied. For all samples in this regime, the resistive transition
occurs at $T_{c} \approx 65 \pm 25 \ mK$. We observe a zero resistance state
for $\textit... | 1904.03121v2 |
2012-06-25 | A Study of Ni-Substitution Effects on Heavy-Fermion CeCu2Si2 - Similarities between Ni Substitution and High-Pressure Effects - | The effects of Ni substitution on Ce(Cu1-xNix)2Si2 have been studied by
specific heat and electrical resistivity measurements. The specific heat
measurement has revealed that the enhanced quantum fluctuations around an
antiferromagnetic quantum critical point are markedly suppressed by Ni
substitution, and that the Fer... | 1206.5747v1 |
2015-07-08 | Future Large-Scale Memristive Device Crossbar Arrays: Limits Imposed by Sneak-Path Currents on Read Operations | Passive crossbar arrays based upon memristive devices, at crosspoints, hold
great promise for the future high-density and non-volatile memories. The most
significant challenge facing memristive device based crossbars today is the
problem of sneak-path currents. In this paper, we investigate a memristive
device with int... | 1507.02077v1 |
2020-01-31 | Dynamo in weakly collisional nonmagnetized plasmas impeded by Landau damping of magnetic fields | We perform fully kinetic simulations of flows known to produce dynamo in
magnetohydrodynamics (MHD), considering scenarios with low Reynolds number and
high magnetic Prandtl number, relevant for galaxy cluster scale fluctuation
dynamos. We find that Landau damping on the electrons leads to a rapid decay of
magnetic per... | 2001.11929v2 |
2020-07-24 | Strange Metallic Transport in the Antiferromagnetic Regime of Electron Doped Cuprates | We report magnetoresistance and Hall Effect results for electron-doped films
of the high-temperature superconductor La$_{2-x}$Ce$_x$CuO$_4$ (LCCO) for
temperatures from 0.7 to 45 K and magnetic fields up to 65 T. For x = 0.12 and
0.13, just below the Fermi surface reconstruction (FSR), the normal state
in-plane resisti... | 2007.12765v1 |
2020-08-26 | An 8-bit In Resistive Memory Computing Core with Regulated Passive Neuron and Bit Line Weight Mapping | The rapid development of Artificial Intelligence (AI) and Internet of Things
(IoT) increases the requirement for edge computing with low power and
relatively high processing speed devices. The Computing-In-Memory(CIM) schemes
based on emerging resistive Non-Volatile Memory(NVM) show great potential in
reducing the powe... | 2008.11669v1 |
2022-04-29 | Nonlocal thermoelectric resistance in vortical viscous transport | The pursuit for clearly identifiable signatures of viscous electron flow in
the solid state systems has been a paramount task in the search of the
hydrodynamic electron transport behavior. In this work, we investigate
theoretically the nonlocal electric and thermal resistances for the generic
non-Galilean-invariant ele... | 2204.14104v2 |
2022-11-04 | In-plane anisotropy of electrical transport in Y$_{0.85}$Tb$_{0.15}$Ba$_2$Cu$_3$O$_{7-x}$ films | We fabricate high-quality c-axis oriented epitaxial YBa$_2$Cu$_3$O$_{7-x}$
films with 15% of yttrium atoms replaced by terbium (YTBCO) and study their
electrical properties. The Tb substitution reduces the charge carrier density
resulting in increased resistivity and decreased critical current density
compared to the p... | 2211.02564v2 |
2023-02-23 | Anomalous Electronic Transport in High Mobility Corbino Rings | We report low-temperature electronic transport measurements performed in two
multi-terminal Corbino samples formed in GaAs/Al-GaAs two-dimensional electron
gases (2DEG) with both ultra-high electron mobility ($\gtrsim 20\times 10^6$
$cm^2/Vs)$ and with distinct electron density of $1.7$ and $3.6\times
10^{11}~cm^{-2}$.... | 2302.12147v2 |
2024-01-01 | Debye temperature, electron-phonon coupling constant, and microcrystalline strain in highly-compressed La$_3$Ni$_2$O$_{7-δ}$ | Recently Sun et al (Nature 621, 493 (2023)) reported on the discovery of
high-temperature superconductivity in highly-compressed
La$_3$Ni$_2$O$_{7-\delta}$. In addition to ongoing studies of the phase
structural transition, pairing mechanism, and other properties/parameters in
this highly-pressurized nickelate, here ex... | 2401.00804v2 |
2024-01-15 | Comprehensive Joint Modeling of First-Line Therapeutics in Non-Small Cell Lung Cancer | First-line antiproliferatives for non-small cell lung cancer (NSCLC) have a
relatively high failure rate due to high intrinsic resistance rates and
acquired resistance rates to therapy. 57% patients are diagnosed in late-stage
disease due to the tendency of early-stage NSCLC to be asymptomatic. For
patients first diagn... | 2401.07719v1 |
2018-11-09 | A Detailed Model of the Irish High Voltage Power Network for Simulating GICs | Constructing a power network model for geomagnetically induced current (GIC)
calculations requires information on the DC resistances of elements within a
network. This information is often not known, and power network models are
simplified as a result, with assumptions used for network element resistances.
Ireland's re... | 1811.04128v1 |
2020-03-09 | Understanding the reduction of the edge safety factor during hot VDEs and fast edge cooling events | In the present work a simple analytical approach is presented in order to
clarify the physics behind the edge current density behaviour of a hot plasma
entering in contact with a resistive conductor. When a plasma enters in contact
with a highly resistive wall, large current densities appear at the edge of the
plasma. ... | 2003.04064v1 |
2019-07-24 | GR-MHD disk winds and jets from black holes and resistive accretion disks | We perform GR-MHD simulations of outflow launching from thin accretion disks.
As in the non-relativistic case, resistivity is essential for the mass loading
of the disk wind. We implemented resistivity in the ideal GR-MHD code HARM3D,
extending previous works (Qian et al. 2017, 2018) for larger physical grids,
higher s... | 1907.10622v1 |
2017-05-23 | The influence of outflow and global magnetic field on the structure and spectrum of resistive CDAFs | We examine the effects of a global magnetic field and outflow on radiatively
inefficient accretion flow (RIAF) in the presence of magnetic resistivity. We
find a self-similar solutions for the height integrated equations that govern
the behavior of the flow. We use the mixing length mechanism for studying the
convectio... | 1705.08099v1 |
2020-01-21 | Particle acceleration with anomalous pitch angle scattering in 3D separator reconnection | Understanding how the release of stored magnetic energy contributes to the
generation of non-thermal high energy particles during solar flares is an
important open problem in solar physics. Magnetic reconnection plays a
fundamental role in the energy release and conversion processes taking place
during flares. A common... | 2001.07548v1 |
2021-07-27 | Resistance distance distribution in large sparse random graphs | We consider an Erdos-Renyi random graph consisting of N vertices connected by
randomly and independently drawing an edge between every pair of them with
probability c/N so that at N->infinity one obtains a graph of finite mean
degree c. In this regime, we study the distribution of resistance distances
between the verti... | 2107.12561v2 |
2002-01-30 | Activity in Very Cool Stars: Magnetic Dissipation in late-M and L Dwarf Atmospheres | Recent observations show that chromospheric activity in late-M and L dwarfs
is much lower than in the earlier M types, in spite of comparatively rapid
rotation. We investigate the possibility that this drop-off in activity results
from the very high electrical resistivities in the dense, cool and
predominantly neutral ... | 0201518v1 |
1996-11-14 | Vortex Quantum Nucleation and Tunneling in Superconducting Thin Films: Role of Dissipation and Periodic Pinning | We investigate the phenomenon of decay of a supercurrent in a superconducting
thin film in the absence of an applied magnetic field. The resulting
zero-temperature resistance derives from two equally possible mechanisms: 1)
quantum tunneling of vortices from the edges of the sample; and 2) homogeneous
quantum nucleatio... | 9611112v1 |
1997-12-19 | C-axis resistivity and high Tc superconductivity | Recently we had proposed a mechanism for the normal-state C-axis resistivity
of the high-T$_c$ layered cuprates that involved blocking of the
single-particle tunneling between the weakly coupled planes by strong
intra-planar electron-electron scattering. This gave a C-axis resistivity that
tracks the ab-plane T-linear ... | 9712247v2 |
2000-07-03 | Electron-Phonon Coupling Origin of the resistivity in YNi_{2}B_{2}C Single Crystals | Resistivity measurements from 4.2 K up to 300 K were made on YNi_{2}B_{2}C
single crystals with Tc=15.5 K. The resulting rho(T) curve shows a perfect
Bloch-Grueneisen (BG) behavior, with a very small residual resistivity which
indicates the low impurity content and the high cristallographic quality of the
samples. The ... | 0007033v1 |
2010-12-10 | High pressure study of transport properties in Co$_{1/3}$NbS$_2$ | This is the first study of the effect of pressure on transition metal
dichalcogenides intercalated by atoms that order magnetically.
Co$_{1/3}$NbS$_2$ is a layered system where the intercalated Co atoms order
antiferromagnetically at T$_N$ = 26 K at ambient pressure. We have conducted a
detailed study of dc-resistivity... | 1012.2408v1 |
2011-09-14 | Evidence for a fractional quantum Hall state with anisotropic longitudinal transport | At high magnetic fields, where the Fermi level lies in the N=0 lowest Landau
level (LL), a clean two-dimensional electron system (2DES) exhibits numerous
incompressible liquid phases which display the fractional quantized Hall effect
(FQHE) (Das Sarma and Pinczuk, 1997). These liquid phases do not break
rotational symm... | 1109.3219v3 |
2011-10-18 | A numerical model of resistive generation of intergalactic magnetic field at cosmic dawn | Miniati and Bell (2011) proposed a mechanism for the generation of magnetic
seeds that is based the finite resistivity of the low temperature IGM in the
high redshift universe. In this model, cosmic-ray protons generated by the
first generation of galaxies, escape into the intergalactic medium carrying an
electric curr... | 1110.4115v1 |
2017-02-18 | Soft-proton exchange on Magnesium-oxide-doped substrates a route toward efficient and power-resistant nonlinear converters | Despite its attractive features, Congruent-melted Lithium Niobate (CLN)
suffers from Photo-Refractive Damage (PRD). This light-induced refractive-index
change hampers the use of CLN when high-power densities are in play, a typical
regime in integrated optics. The resistance to PRD can be largely improved by
doping the ... | 1702.05590v1 |
2019-04-11 | Novel Resistive-Plate WELL sampling element for (S)DHCAL | Digital and Semi-Digital Hadronic Calorimeters (S)DHCAL were suggested for
future Colliders as part of the particle-flow concept. Though studied mostly
with RPC-based techniques, investigations have shown that MPGD-based sampling
elements could outperform. An attractive, industry-produced, robust,
particle-tracking det... | 1904.05545v2 |
2020-05-22 | Accelerating Antimicrobial Discovery with Controllable Deep Generative Models and Molecular Dynamics | De novo therapeutic design is challenged by a vast chemical repertoire and
multiple constraints, e.g., high broad-spectrum potency and low toxicity. We
propose CLaSS (Controlled Latent attribute Space Sampling) - an efficient
computational method for attribute-controlled generation of molecules, which
leverages guidanc... | 2005.11248v2 |
2020-10-22 | Projecting the optimal control strategy on invasive plants combining effects of herbivores and native plants resistance | Understanding how to limit biological invasion is critical, especially in the
context of accelerating anthropogenic ecological changes. Although biological
invasion success could be explained by the lack of natural enemies in new
regions, recent studies have revealed that resident herbivores often do have a
substantial... | 2010.14944v1 |
2021-10-14 | Mitigation of parasitic losses in the quadrupole resonator enabling direct measurements of low residual resistances of SRF samples | The quadrupole resonator (QPR) is a dedicated sample-test cavity for the RF
characterization of superconducting samples in a wide temperature, RF field and
frequency range. Its main purpose are high resolution measurements of the
surface resistance with direct access to the residual resistance thanks to the
low frequen... | 2110.07236v2 |
2022-01-27 | On the Mitigation of Read Disturbances in Neuromorphic Inference Hardware | Non-Volatile Memory (NVM) cells are used in neuromorphic hardware to store
model parameters, which are programmed as resistance states. NVMs suffer from
the read disturb issue, where the programmed resistance state drifts upon
repeated access of a cell during inference. Resistance drifts can lower the
inference accurac... | 2201.11527v1 |
2024-03-20 | Picosecond Femtojoule Resistive Switching in Nanoscale VO$_{2}$ Memristors | Beyond-Moore computing technologies are expected to provide a sustainable
alternative to the von Neumann approach not only due to their down-scaling
potential but also via exploiting device-level functional complexity at the
lowest possible energy consumption. The dynamics of the Mott transition in
correlated electron ... | 2403.13530v1 |
2024-05-21 | A lightweight PUF-based authentication protocol | Lightweight authentication is essential for resource-constrained
Internet-of-Things (IoT). Implementable with low resource and operable with low
power, Physical Unclonable Functions (PUFs) have the potential as hardware
primitives for implementing lightweight authentication protocols. The arbiter
PUF (APUF) is probably... | 2405.13146v1 |
2008-04-14 | Phase Diagram and Quantum Critical Point in Newly Discovered Superconductors: SmO_{1-x}F_xFeAs | The magnetic fluctuations associated with a quantum critical point (QCP) are
widely believed to cause the non-Fermi liquid behaviors and unconventional
superconductivities, for example, in heavy fermion systems and high temperature
cuprate superconductors. Recently, superconductivity has been discovered in
iron-based l... | 0804.2105v3 |
2008-07-07 | Magnetoresistance and collective Coulomb blockade in super-lattices of ferromagnetic CoFe nanoparticles | We report on transport properties of millimetric super-lattices of CoFe
nanoparticles surrounded by organic ligands. R(T)s follow R(T) =
R_0.exp(T/T_0)^0.5 with T_0 ranging from 13 to 256 K. At low temperature I(V)s
follow I=K[(V-V_T)/V_T]^ksi with ksi ranging 3.5 to 5.2. I(V) superpose on a
universal curve when shifte... | 0807.1060v3 |
2015-09-29 | Simulation of radiation-induced defects | Mainly due to their outstanding performance the position sensitive silicon
detectors are widely used in the tracking systems of High Energy Physics
experiments such as the ALICE, ATLAS, CMS and LHCb at LHC, the world's largest
particle physics accelerator at CERN, Geneva. The foreseen upgrade of the LHC
to its high lum... | 1509.08657v1 |
2015-10-14 | Elastic Composite, Reinforced Lightweight Concrete as a Type of Resilient Composite Systems | . A kind of "Elastic Composite, Reinforced Lightweight Concrete (ECRLC)" with
the mentioned specifics is a type of "Resilient Composite Systems (RCS)" in
which, contrary to the basic geometrical assumption of flexure theory in Solid
Mechanics, "the strain changes in the beam height during bending" is typically
"Non-lin... | 1510.03933v1 |
2018-01-26 | Enhanced moments of Eu in single crystals of the metallic helical antiferromagnet EuCo{2-y}As2 | The compound EuCo{2-y}As2 with the tetragonal ThCr2Si2 structure is known to
contain Eu{+2} ions with spin S = 7/2 that order below a temperature TN = 47 K
into an antiferromagnetic (AFM) proper helical structure with the ordered
moments aligned in the tetragonal ab plane, perpendicular to the helix axis
along the c ax... | 1801.08941v1 |
2018-09-10 | High-performance InSe Transistors with Ohmic Contact Enabled by Nonrectifying-barrier-type Indium Electrodes | The electrical contact to two-dimensional (2D)-semiconductor materials are
decisive to the electronic performance of 2D-semiconductor field-effect devices
(FEDs). The presence of a Schottky barrier often leads to a large contact
resistance, which seriously limits the channel conductance and carrier mobility
measured in... | 1809.03181v1 |
2018-11-19 | Characterisation of AMS H35 HV-CMOS monolithic active pixel sensor prototypes for HEP applications | Monolithic active pixel sensors produced in High Voltage CMOS (HV-CMOS)
technology are being considered for High Energy Physics applications due to the
ease of production and the reduced costs. Such technology is especially
appealing when large areas to be covered and material budget are concerned.
This is the case of ... | 1811.07817v3 |
2019-05-10 | Vacuum electrical breakdown conditioning study in a parallel plate electrode pulsed DC system | Conditioning of a metal structure in a high-voltage system is the progressive
development of resistance to vacuum arcing over the operational life of the
system. This is, for instance, seen during the initial operation of radio
frequency (rf) cavities in particle accelerators. It is a relevant topic for
any technology ... | 1905.03996v1 |
2019-07-18 | High-performance silicon-graphene hybrid plasmonic waveguide photodetectors beyond 1.55 μm | A fast silicon-graphene hybrid plasmonic waveguide photodetectors beyond 1.55
{\mu}m is proposed and realized by introducing an ultra-thin wide
silicon-on-insulator ridge core region with a narrow metal cap. With this novel
design, the light absorption in graphene is enhanced while the metal absorption
loss is reduced ... | 1907.12498v1 |
2020-07-01 | Predicting Oxidation and Spin States by High-Dimensional Neural Networks: Applications to Lithium Manganese Oxide Spinels | Lithium ion batteries often contain transition metal oxides like
Li$_{x}$Mn$_2$O$_4$ ($0\leq x\leq2$). Depending on the Li content different
ratios of Mn$^\text{III}$ to Mn$^\text{IV}$ ions are present. In combination
with electron hopping the Jahn-Teller distortions of the Mn$^\text{III}$O$_6$
octahedra can give rise ... | 2007.00335v2 |
2022-08-19 | Superconductivity of Cs$_3$C$_{60}$ at atmosphere pressure | Pressure as a clean and efficient tool can bring about unexpected
extraordinary physical and chemical properties of matters. The recent
discoveries of superconductivity at nearly room temperature in hydrides
highlight the power of pressure in this aspect. Capturing such Tc
superconductivity at atmosphere pressure for t... | 2208.09429v1 |
2022-11-02 | High Temperature Ferromagnetism in Cr$_{1+x}$Pt$_{5-x}$P | We present the growth and basic magnetic and transport properties of
Cr$_{1+x}$Pt$_{5-x}$P. We show that single crystals can readily be grown from a
high-temperature solution created by adding dilute quantities of Cr to Pt-P
based melts. Like other 1-5-1 compounds, Cr$_{1+x}$Pt$_{5-x}$P adopts a
tetragonal P4/mmm struc... | 2211.01491v1 |
2020-01-22 | Spintronic superconductor in a bulk layered material with natural spin-valve structure | Multi-layered materials provide fascinating platforms to realize various
functional properties, possibly leading to future electronic devices controlled
by external fields. In particular, layered magnets coupled with conducting
layers have been extensively studied recently for possible control of their
transport proper... | 2001.07991v1 |
1997-02-26 | Stripes, Non-Fermi-Liquid Behavior, and High-Tc Superconductivity | The electronic structure of the high-Tc cuprates is studied in terms of
"large-U" and "small-U" orbitals. A striped structure and three types of
quasiparticles are obtained, polaron-like "stripons" carrying charge, "svivons"
carrying spin, and "quasielectrons" carrying both. The anomalous properties are
explained, and ... | 9702232v1 |
2014-12-09 | Materials Cartography: Representing and Mining Material Space Using Structural and Electronic Fingerprints | As the proliferation of high-throughput approaches in materials science is
increasing the wealth of data in the field, the gap between
accumulated-information and derived-knowledge widens. We address the issue of
scientific discovery in materials databases by introducing novel analytical
approaches based on structural ... | 1412.4096v3 |
2013-10-14 | High Pressure Effects on the Superconductivity in Rare-Earth Doped CaFe2As2 | High-pressure superconductivity in a rare-earth doped Ca0.86Pr0.14Fe2As2
single crystalline sample has been studied up to 12 GPa and temperatures down
to 11 K using designer diamond anvil cell under a quasi-hydrostatic pressure
medium. The electrical resistance measurements were complemented by high
pressure and low te... | 1310.3842v2 |
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