publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2009-12-08 | Anisotropy of upper critical field in one-dimensional organic system, (TMTTF)$_2$PF$_6$ under extremely high pressure | We have measured the temperature dependent resistivity of (TMTTF)$_2$PF$_6$
to 7 GPa using a turnbuckle DAC (diamond anvil cell) and in magnetic field up
to 5 T. Unlike many other organic conductors, a zero resistance was observed in
the superconducting state even under high pressures. Superconductivity was
observed ov... | 0912.1391v1 |
2011-01-06 | Pressure effect on superconductivity of $A_{x}$Fe$_2$Se$_2$ ($A$ = K and Cs) | We performed the high hydrostatic pressure resistivity measurements (up to
1.7 GPa) on the newly discovered superconductors $A_{x}$Fe$_2$Se$_2$ ($A$ = K
and Cs) single crystals. Two batches of single crystals $K_xFe_2Se_2$ with
different transition temperatures ($T_c$) were used to study the effect of
pressure. The $T_... | 1101.1234v1 |
2011-08-08 | Sub-micrometer epitaxial Josephson junctions for quantum circuits | We present a fabrication scheme and testing results for epitaxial
sub-micrometer Josephson junctions. The junctions are made using a
high-temperature (1170 K) "via process" yielding junctions as small as 0.8 mu m
in diameter by use of optical lithography. Sapphire (Al2O3) tunnel-barriers are
grown on an epitaxial Re/Ti... | 1108.1830v2 |
2011-09-29 | Comparative Survival Analysis of Deinococcus Radiodurans and the Haloarchaea Natrialba Magadii and Haloferax Volcanii, Exposed to Vacuum Ultraviolet Irradiation | The haloarchaea Natrialba magadii and Haloferax volcanii, as well as the
radiation-resistant bacterium Deinococcus radiodurans, were exposed to
vacuum-UV (V-UV) radiation at the Brazilian Synchrotron Light Laboratory
(LNLS). Cell monolayers (containing 105 - 106 cells per sample) were prepared
over polycarbonate filter... | 1109.6590v1 |
2013-08-06 | Impurity effect and suppression to superconductivity in Na(Fe$_{0.97-x}$Co$_{0.03}$T$_x$)As (T=Cu, Mn) | We report the successful growth and the impurity scattering effect of single
crystals of Na(Fe$_{0.97-x}$Co$_{0.03}$T$_x$)As (T=Cu, Mn). The temperature
dependence of DC magnetization at high magnetic fields is measured for
different concentrations of Cu and Mn. Detailed analysis based on the
Curie-Weiss law indicates ... | 1308.1356v1 |
2013-10-31 | A Technique for Write-endurance aware Management of Resistive RAM Last Level Caches | Due to increasing cache sizes and large leakage consumption of SRAM device,
conventional SRAM caches contribute significantly to the processor power
consumption. Recently researchers have used non-volatile memory devices to
design caches, since they provide high density, comparable read latency and low
leakage power di... | 1311.0041v2 |
2014-06-11 | Signatures of localization in the effective metallic regime of high mobility Si MOSFETs | Combining experimental data, numerical transport calculations, and
theoretical analysis, we study the temperature-dependent resistivity of
high-mobility 2D Si MOSFETs to search for signatures of weak localization
induced quantum corrections in the effective metallic regime above the critical
density of the so-called tw... | 1406.3024v2 |
2016-04-13 | Remarkable magnetostructural coupling around the magnetic transition in CeCo$_{0.85}$Fe$_{0.15}$Si | We report a detailed study of the magnetic properties of
CeCo$_{0.85}$Fe$_{0.15}$Si under high magnetic fields (up to 16 Tesla)
measuring different physical properties such as specific heat, magnetization,
electrical resistivity, thermal expansion and magnetostriction.
CeCo$_{0.85}$Fe$_{0.15}$Si becomes antiferromagnet... | 1604.03985v1 |
2018-01-19 | High pressure effects on non-fluorinated BiS2-based superconductors La$_{1-x}$M$_x$OBiS$_2$ (M = Ti and Th) | Layered \textit{Ln}OBiS$_2$ compounds with \textit{Ln} = La, Ce, Pr, Nd, and
Yb can be rendered conducting and superconducting via two routes, substitution
of F for O or the tetravalent ions Ti, Zr, Hf, and Th for trivalent \textit{Ln}
ions. Electrical resistivity measurements on non-fluorinated
La$_{0.80}$Ti$_{0.20}$O... | 1801.06568v1 |
2018-05-23 | Discovery of a new nontoxic cuprate superconducting system Ga-Ba-Ca-Cu-O | Superconductivity is observed in a new nontoxic cuprate system Ga-Ba-Ca-Cu-O,
with Tc = 82K for GaBa2Ca5Cu6O14+{\delta} (Ga-1256) and Tc = 116K probably for
GaBa2Ca3Cu4O10+{\delta} (Ga-1234) or GaBa2Ca2Cu3O8+{\delta} (Ga-1223),
respectively. All compounds are fabricated by solid state reaction method under
high pressur... | 1805.09268v1 |
2018-06-11 | Development of a new Front End electronics in Silicon and Silicon-Germanium technology for the Resistive Plate Chamber detector for high rate experiments | The upgrade of the Resistive Plate Chamber (RPC) detector, in order to
increase the detector rate capability and to be able to work efficiently in
high rate environment, consists in the reduction of the operating voltage along
with the detection of signals which are few hundred {\mu}V small. The approach
chosen by this... | 1806.04113v1 |
2019-09-16 | High-Throughput In-Memory Computing for Binary Deep Neural Networks with Monolithically Integrated RRAM and 90nm CMOS | Deep learning hardware designs have been bottlenecked by conventional
memories such as SRAM due to density, leakage and parallel computing
challenges. Resistive devices can address the density and volatility issues,
but have been limited by peripheral circuit integration. In this work, we
demonstrate a scalable RRAM ba... | 1909.07514v1 |
2019-05-01 | Measurement of azimuthal dependent muon flux by 2\,m\,$\times$\,2\,m RPC stack at IICHEP-Madurai | The proposed 50 \,kton\, INO-ICAL experiment is an upcoming underground high
energy physics experiment planned to be commissioned at Bodi hills near Theni,
India ($9^{\circ}57'N$, $77^{\circ}16'E$) to study various properties of
neutrino oscillations using atmospheric neutrinos produced by extensive air
shower phenomen... | 1905.00739v2 |
2019-05-20 | Imaging and monitoring the Reykjanes supercritical geothermal reservoir in Iceland with time-lapse CSEM and MT measurements | We have investigated the benefits and drawbacks of active EM surveying
(Controlled-Source EM or CSEM) for monitoring geothermal reservoirs in the
presence of strong industrial noise with an actual time-lapse survey over the
Reykjanes geothermal field in Iceland before and after the thermal stimulation
of the supercriti... | 1905.07899v1 |
2020-03-10 | High performance picosecond- and micron-level 4D particle tracking with 100% fill-factor Resistive AC-Coupled Silicon Detectors (RSD) | In this paper we present a complete characterization of the first batch of
Resistive AC-Coupled Silicon Detectors, called RSD1, designed at INFN Torino
and manufactured by Fondazione Bruno Kessler (FBK) in Trento. With their 100%
fill-factor, RSD represent the new enabling technology for high-precision
4D-tracking. Ind... | 2003.04838v2 |
2023-02-14 | Resistive Heating Induced by Streaming Cosmic Rays Around a Galaxy in the Early Universe | It is expected that cosmic rays (CRs) escape from high-redshift galaxies at
redshift $z\sim 10 \, - \, 20$ because CRs are accelerated by supernova
remnants of the first stars. Although ultraviolet and X-ray photons are widely
considered the main source of heating of the intergalactic medium, CRs can also
contribute to... | 2302.07028v1 |
2023-04-21 | Bragg's law for X-ray scattering by quantum thermodynamic time crystals, Q-balls, as manifestation of the mechanism of High-T$_c$ superconductivity | Proposed by the author Q-ball mechanism of the pseudogap state and high-Tc
superconductivity in cuprates was recently supported by micro X-ray diffraction
data in HgBa$_2$CuO$_{4+y}$. This provides a remarkable opportunity to
investigate X-ray diffraction produced by the quantum thermodynamic time
crystals, a direct em... | 2304.10874v2 |
2023-07-09 | Design Space Exploration and Comparative Evaluation of Memory Technologies for Synaptic Crossbar Arrays: Device-Circuit Non-Idealities and System Accuracy | In-memory computing (IMC) utilizing synaptic crossbar arrays is promising for
deep neural networks to attain high energy efficiency and integration density.
Towards that end, various CMOS and post-CMOS technologies have been explored as
promising synaptic device candidates which include SRAM, ReRAM, FeFET,
SOT-MRAM, et... | 2307.04261v1 |
2023-09-28 | Study of Bulk Damage of High Dose Gamma Irradiated p-type Silicon Diodes with Various Resistivities | The bulk damage of p-type silicon detectors caused by high doses of gamma
irradiation has been studied. The study was carried out on three types of
n$^{+}$-in-p silicon diodes with comparable geometries but different initial
resistivities. This allowed to determine how different initial parameters of
studied samples in... | 2309.16293v1 |
2023-10-17 | Improving Interface Physics Understanding in High-Frequency Cryogenic Normal Conducting Cavities | As progress towards real implementations of cryogenic high gradient normal
conducting accelerating cavities continues, a more mature understanding of the
surface physics in this novel environment becomes increasingly necessary. To
this end, we here focus on developing a deeper understanding of one cavity
figure of meri... | 2310.11578v1 |
2024-01-18 | Hazard resistance-based spatiotemporal risk analysis for distribution network outages during hurricanes | Blackouts in recent decades show an increasing prevalence of power outages
due to extreme weather events such as hurricanes. Precisely assessing the
spatiotemporal outages in distribution networks, the most vulnerable part of
power systems, is critical to enhance power system resilience. The Sequential
Monte Carlo (SMC... | 2401.10418v1 |
2024-02-06 | Characterisation of resistive MPGDs with 2D readout | Micro-Pattern Gaseous Detectors (MPGDs) with resistive anode planes provide
intrinsic discharge robustness while maintaining good spatial and time
resolutions. Typically read out with 1D strips or pad structures, here the
characterisation results of resistive anode plane MPGDs with 2D strip readout
are presented. A uRW... | 2402.03899v1 |
2019-01-24 | Materials Informatics for Heat Transfer: Recent Progresses and Perspectives | With the advances in materials and integration of electronics and
thermoelectrics, the demand for novel crystalline materials with ultimate
high/low thermal conductivity is increasing. However, search for optimal
thermal materials is challenge due to the tremendous degrees of freedom in the
composition and structure of... | 1901.08504v1 |
2011-01-20 | Optical and DC conductivity of the two-dimensional Hubbard model in the pseudogap regime and across the antiferromagnetic quantum critical point, including vertex corrections | The conductivity of the two-dimensional Hubbard model is particularly
relevant for high-temperature superconductors. Vertex corrections are expected
to be important because of strongly momentum dependent self-energies. We use
the Two-Particle Self-Consistent approach that satisfies crucial constraints
such as the Mermi... | 1101.4037v2 |
2022-10-26 | Bolometric detection of Josephson inductance in a highly resistive environment | The Josephson junction is a building block of quantum circuits. Its behavior,
well understood when treated as an isolated entity, is strongly affected by
coupling to an electromagnetic environment. In 1983, Schmid predicted that a
Josephson junction shunted by a resistance exceeding the resistance quantum
$\mathbf{\tex... | 2210.14953v4 |
2019-09-09 | High Dielectric Ternary Oxides from Crystal Structure Prediction and High-throughput Screening | The development of new high dielectric materials is essential for advancement
in modern electronics. Oxides are generally regarded as the most promising
class of high dielectric materials for industrial applications as they possess
both high dielectric constants and large band gaps. Most previous researches on
high die... | 1909.04195v1 |
2003-06-17 | Materials Aspects of High-Temperature Superconductors for Applications | Materials aspects of cuprate high-temperature superconductors (HTS) are
reviewed with respect to technical applications. The structural chemistry
common to all HTS and their critical temperatures for the onset of
superconductivity are presented. Intrinsic problems for the production of
technically applicable HTS materi... | 0306442v1 |
2010-05-20 | Non Super-Cell SuperConductivity Of High Tc Materials | Recently we have described materials interface transport coupling rigorously
utilizing NEGF nonequilibrium Green's functions, and have discussed the
Hamiltonian terms that from Green's theorem and boundary conditions can be
rewritten as Self Energy. We derive the application of our theory to the high
$Tc$ Superconducti... | 1005.3618v1 |
2012-05-24 | CuBr2-A New Multiferroic Material with High Critical Temperature | A new multiferroic material, CuBr2, is reported for the first time. CuBr2 has
not only a high transition temperature (close to liquid nitrogen temperature)
but also low dielectric loss and strong magnetoelectric coupling. These
findings reveal the importance of anion effects in the search for the high
temperature multi... | 1205.5318v1 |
1998-07-24 | Destruction of localized electron pairs above the magnetic-field-driven superconductor-insulator transition in amorphous InO films | We have investigated the field-induced superconductivity-destroying quantum
transition in amorphous indium oxide films at low temperatures down to 30 mK.
It has been found that, on the high-field side of the transition, the
magnetoresistance reaches a maximum and the phase can be insulating as well as
metallic. With fu... | 9807332v2 |
1999-10-22 | Weak localisation, hole-hole interactions and the "metal"-insulator transition in two dimensions | A detailed investigation of the metallic behaviour in high quality
GaAs-AlGaAs two dimensional hole systems reveals the presence of quantum
corrections to the resistivity at low temperatures. Despite the low density
($r_{s}>10$) and high quality of these systems, both weak localisation
(observed via negative magnetores... | 9910368v2 |
2000-08-28 | Josephson-Vortex-Glass Transition in Strong Fields | A vortex-glass transition due to point disorder in layered superconductors is
studied for the case with an applied field {\it parallel} to the layers. Our
calculation of tilt responses indicates that, irrespective of the magnitude of
the field, the resulting glass phase, Josephson-vortex-glass (JG), should have
a trans... | 0008397v1 |
2005-06-01 | Spin polarization induced tenfold magneto-resistivity of highly metallic 2D holes in a narrow GaAs quantum well | We observe that an in-plane magnetic field ($B_{||}$) can induce an order of
magnitude enhancement in the low temperature ($T$) resistivity ($\rho$) of
metallic 2D holes in a narrow (10nm) GaAs quantum well. Moreover, we show the
first observation of saturating behavior of $\rho(B_{||})$ at high $B_{||}$ in
GaAs system... | 0506031v3 |
2005-09-06 | Conduction anisotropy and Hall effect in the organic conductor (TMTTF)2AsF6: evidence for Luttinger liquid and charge ordering | We present the high-temperature (70 K < T < 300 K) resistivity anisotropy and
Hall effect measurements of the quasi-one-dimensional (1D) organic conductor
(TMTTF)2AsF6. The temperature variations of the resistivity are pronouncedly
different for the three different directions, with metallic-like at high
temperatures fo... | 0509147v1 |
2003-08-19 | Nanolithography with metastable helium atoms in a high-power standing-wave light field | We have created periodic nanoscale structures in a gold substrate with a
lithography process using metastable triplet helium atoms that damage a
hydrofobic resist layer on top of the substrate. A beam of metastable helium
atoms is transversely cooled and guided through an intense standing-wave light
field. Compared to ... | 0308076v1 |
2007-05-10 | Manifestations of fine features of the density of states in the transport properties of KOs2O6 | We performed high-pressure transport measurements on high-quality single
crystals of KOs2O6, a beta-pyrochlore superconductor. While the resistivity at
high temperatures might approach saturation, there is no sign of saturation at
low temperatures, down to the superconducting phase. The anomalous resistivity
is accompa... | 0705.1401v1 |
2008-05-06 | Coherence-incoherence crossover in the normal state of iron-oxypnictides and importance of the Hund's rule coupling | A new class of high temperature superconductors based on iron and arsenic was
recently discovered, with superconducting transition temperature as high as 55
K. Here we show, using microscopic theory, that the normal state of the iron
pnictides at high temperatures is highly anomalous, displaying a Curie Weiss
susceptib... | 0805.0722v2 |
2009-06-11 | The enigma of the nu=0 quantum Hall effect in graphene | We apply Laughlin's gauge argument to analyze the $\nu=0$ quantum Hall effect
observed in graphene when the Fermi energy lies near the Dirac point, and
conclude that this necessarily leads to divergent bulk longitudinal resistivity
in the zero temperature thermodynamic limit. We further predict that in a
Corbino geomet... | 0906.2209v2 |
2009-09-21 | Epitaxial LaFeAsOF thin films grown by pulsed laser deposition | Superconducting and epitaxially grown LaFeAsOF thin films were successfully
prepared on (001)-oriented LaAlO3 substrates using pulsed laser deposition. The
prepared thin films show exclusively a single in-plane orientation with
epitaxial relation (001)[100] parallel to (001)[100] and a FWHM value of 1deg.
Furthermore, ... | 0909.3788v1 |
2010-01-31 | Saturation of the Anomalous Hall Effect in Critically Disordered Ultra-thin CNi3 Films | We demonstrate that a distinct high-disorder anomalous Hall effect phase
emerges at the correlated insulator threshold of ultra-thin, amorphous,
ferromagnetic CNi3 films. In the weak localization regime, where the sheet
conductance G >> e^2/h, the anomalous Hall resistance of the films increases
with increasing disorde... | 1002.0099v1 |
2012-07-16 | Pressure effects on the superconducting thin film Ba$_{1-x}$K$_{x}$Fe$_{2}$As$_{2}$ | We report electrical resistivity measurements on a high-quality
Ba$_{1-x}$K$_{x}$Fe$_{2}$As$_{2}$ thin film ($x=0.4$) under pressure. The
superconducting transition temperature (=39.95 K) of the optimally-doped thin
film shows a dome shape with pressure, reaching a maximal value 40.8 K at 11.8
kbar. The unusually high ... | 1207.3826v1 |
2012-10-09 | Quantum oscillations in a d-wave vortex liquid | The observation of quantum oscillations in underdoped cuprates has generated
intense debate about the nature of the field-induced resistive state and its
implications for the `normal state' of high T_c superconductors. Quantum
oscillations suggest an underlying Fermi liquid state at high magnetic fields H
and low tempe... | 1210.2466v1 |
2013-04-07 | Ageing studies of resistive Micromegas detectors for the HL-LHC | Resistive-anode Micromegas detectors are in development since several years,
in an effort to solve the problem of sparks when working in high flux and high
radiations environment like in the HL-LHC (ten times the luminosity of the
LHC). They have been chosen as one of the technologies that will be part of the
ATLAS New... | 1304.2053v1 |
2013-07-31 | Quartz Capillary Cladding Anthracene and Polycyclic Aromatic Hydrocarbon(PAH)-Core Scintillating/WLS Fibers for High Rates and Radiation Damage Resistance | Quartz capillary tube/fibers have been filled with anthracene by a melt and
vacuum inbibition process to fabricate a scintillating core fiber. Other
polcyclic aromatic hydrocarbons(PAH), such as p-Terphenyl (pTP), stilbene or
naphthalene are also well-suited to scintillating/shifting fiber cores. The
resulting scintill... | 1307.8376v1 |
2013-08-08 | Ultra-low Energy, High Performance and Programmable Magnetic Threshold Logic | We propose magnetic threshold-logic (MTL) design based on non-volatile
spin-torque switches. A threshold logic gate (TLG) performs summation of
multiple inputs multiplied by a fixed set of weights and compares the sum with
a threshold. MTL employs resistive states of magnetic tunnel junctions as
programmable input weig... | 1308.4169v1 |
2015-09-28 | High resolution experimental parameter space of a chaotic circuit | We have obtained a high resolution parameter space of an experimental Chua's
circuit and shown that the topology of the chaotic and periodic regions present
not only expected features previously observed from high resolution numerical
simulations of idealised Chua's circuit, but also novel unexpected features.
Unmatche... | 1509.08425v2 |
2015-10-01 | Comment on "Conventional superconductivity at 203 kelvin at high pressures in the sulfur hydride system" (A. P. Drozdov et al., Nature 525, 73 (2015)) | It is demonstrated that resistive transition at 203 K observed in metallic
sulfur hydride system at high pressure can be magnetic (rather than
superconducting (SC)) in nature. The onset temperature of genuine
superconducting transition in these compounds appears to be essentially lower
on temperature. The normal-state ... | 1510.00123v1 |
2016-11-24 | Puddle-induced resistance oscillations in the breakdown of the graphene quantum Hall effect | We report on the stability of the quantum Hall plateau in wide Hall bars made
from a chemically gated graphene film grown on SiC. The $\nu=2$ quantized
plateau appears from fields $B \simeq 5$ T and persists up to $B \simeq 80$ T.
At high current density, in the breakdown regime, the longitudinal resistance
oscillates ... | 1611.08179v1 |
2017-02-08 | Fine structure of high-power microwave-induced resistance oscillations | We report on observation of a fine structure of microwave-induced resistance
oscillations in an ultraclean two-dimensional electron gas. This fine structure
is manifested by multiple secondary sharp extrema, residing beside the primary
ones, which emerge at high radiation power. Theoretical considerations reveal
that t... | 1702.02556v1 |
2018-04-20 | Sensitivity optimization of micro-machined thermo-resistive flow-rate sensors on silicon substrates | We report on an optimized micro-machined thermal flow-rate sensor as part of
an autonomous multi-parameter sensing device for water network monitoring. The
sensor has been optimized under the following constraints: low power
consumption and high sensitivity, while employing a large thermal conductivity
substrate, namel... | 1804.07524v1 |
2014-10-24 | Doping dependence of the upper critical field, superconducting current density and thermally activated flux flow activation energy in polycrystalline CeFeAsO1-xFx superconductors | We report the results from resistivity and magnetic measurements on
polycrystalline Ce oxypnictide (CeFeAsO1-xFx) samples where x spans from 0.13
to 0.25. We find that the orbital limiting field is as high as 150 T and it
systematically decreases with increasing doping. The Maki parameter is greater
than one across the... | 1410.6546v1 |
2015-05-22 | Growth and Characterization of Millimeter-sized Single Crystals of CaFeAsF | High-quality and sizable single crystals are crucial for studying the
intrinsic properties of unconventional superconductors, which are lacking in
the 1111 phase of the Fe-based superconductors. Here we report the successful
growth of CaFeAsF single crystals with the sizes of 1-2 mm using the self-flux
method. Owning t... | 1505.06014v1 |
2020-04-01 | Characterization of sputtered hafnium thin films for high quality factor microwave kinetic inductance detectors | Hafnium is an elemental superconductor which crystallizes in a hexagonal
close packed structure, has a transition temperature $T_{C} \simeq 400 mK$, and
has a high normal state resistivity around $90 \mu \Omega. cm$. In Microwave
Kinetic Inductance Detectors (MKIDs), these properties are advantageous since
they allow f... | 2004.00736v1 |
2007-10-03 | Scaling analysis of normal state properties of high-temperature superconductors | We propose a model-independent scaling method to study the physical
properties of high-temperature superconductors in the normal state. We have
analyze the experimental data of the c-axis resistivity, the in-plane
resistivity, the Hall coefficient, the magnetic susceptibility, the
spin-lattice relaxation rate, and the ... | 0710.0693v3 |
2007-10-18 | Transport and percolation in a low-density high-mobility two-dimensional hole system | We present a study of the temperature and density dependence of the
resistivity of an extremely high quality two-dimensional hole system grown on
the (100) surface of GaAs. For high densities in the metallic regime ($p\agt 4
\times 10^{9}$ cm$^{-2}$), the nonmonotonic temperature dependence ($\sim
50-300$ mK) of the re... | 0710.3542v1 |
2014-01-16 | High-quality multi-terminal suspended graphene devices | We introduce a new scheme to realize suspended, multi-terminal graphene
structures that can be current annealed successfully to obtain uniform, very
high quality devices. A key aspect is that the bulky metallic contacts are not
connected directly to the part of graphene probed by transport measurements,
but only throug... | 1401.4033v1 |
2019-08-30 | Pressure-induced suppression of charge density wave and emergence of Superconductivity in 1T-VSe2 | We report pressure evolution of charge density wave (CDW) order and emergence
of superconductivity (SC) in 1T-VSe2 single crystal by studying resistance and
magnetoresistance behavior under high pressure. With increasing
quasi-hydrostatic pressure the CDW order enhances with increase ofthe ordering
temperature up to 24... | 1908.11678v1 |
2015-04-16 | Phonon-limited carrier mobility and resistivity from carbon nanotubes to graphene | Under which conditions do the electrical transport properties of
one-dimensional (1D) carbon nanotubes (CNTs) and 2D graphene become equivalent?
We have performed atomistic calculations of the phonon-limited electrical
mobility in graphene and in a wide range of CNTs of different types to address
this issue. The theore... | 1504.04206v2 |
2019-08-15 | Analysis of Skin Effect in High Frequency Isolation Transformers | In this paper, a high frequency transformer with different conductors and
winding arrangements, at presence of eddy currents and skin effect, is studied.
By using different winding structures, and conductor types, such as circular,
square shaped, and foil wires, the skin effect in the windings is studied and
current de... | 1910.01983v1 |
2020-08-31 | An Integrated Approach to Produce Robust Models with High Efficiency | Deep Neural Networks (DNNs) needs to be both efficient and robust for
practical uses. Quantization and structure simplification are promising ways to
adapt DNNs to mobile devices, and adversarial training is the most popular
method to make DNNs robust. In this work, we try to obtain both features by
applying a converge... | 2008.13305v4 |
2021-11-19 | Resistance-Time Co-Modulated PointNet for Temporal Super-Resolution Simulation of Blood Vessel Flows | In this paper, a novel deep learning framework is proposed for temporal
super-resolution simulation of blood vessel flows, in which a
high-temporal-resolution time-varying blood vessel flow simulation is generated
from a low-temporal-resolution flow simulation result. In our framework,
point-cloud is used to represent ... | 2111.10372v1 |
2021-11-27 | Longevity Study on the CMS Resistive Plate Chambers for HL-LHC | The CMS Resistive Plate Chamber (RPC) system has been certified for 10 years
of LHC operation. In the next years, during the High luminosity LHC (HL-LHC)
phase, the LHC instantaneous luminosity will increase to a factor five more
than the existing LHC luminosity. This will subject the present CMS RPC system
to backgrou... | 2111.13995v1 |
2022-08-24 | Multi-mode Analysis of Surface Losses in a Superconducting Microwave Resonator in High Magnetic Fields | This paper reports on a surface impedance measurement of a niobium titanium
superconducting radio frequency (SRF) cavity in a magnetic field (up to
$10\,{\rm T}$). A novel method is employed to decompose the surface resistance
contributions of the cylindrical cavity end caps and walls using measurements
from multiple $... | 2208.11799v1 |
2022-12-19 | Eco-friendly Resistive Plate Chambers for detectors in future HEP applications | Resistive Plate Chamber detectors are largely used in current High Energy
Physics experiments, typically operated in avalanche mode with large fractions
of Tetrafluoroethane (C2H2F4), a gas recently banned by the European Union due
to its high Global Warming Potential (GWP). An intense R&D activity is ongoing
to improv... | 2212.09572v1 |
2023-01-02 | Noise-resistant quantum memory enabled by Hamiltonian engineering | Nuclear spins in quantum dots are promising candidates for fast and scalable
quantum memory. By utilizing the hyperfine interaction between the central
electron and its surrounding nuclei, quantum information can be transferred to
the collective state of the nuclei and be stored for a long time. However,
nuclear spin f... | 2301.00575v1 |
2023-11-06 | Persistent Homology for High-dimensional Data Based on Spectral Methods | Persistent homology is a popular computational tool for analyzing the
topology of point clouds, such as the presence of loops or voids. However, many
real-world datasets with low intrinsic dimensionality reside in an ambient
space of much higher dimensionality. We show that in this case traditional
persistent homology ... | 2311.03087v2 |
2023-05-01 | Leveraging Language Representation for Material Recommendation, Ranking, and Exploration | Data-driven approaches for material discovery and design have been
accelerated by emerging efforts in machine learning. However, general
representations of crystals to explore the vast material search space remain
limited. We introduce a material discovery framework that uses natural language
embeddings derived from la... | 2305.01101v2 |
2019-07-12 | Data-driven materials science: status, challenges and perspectives | Data-driven science is heralded as a new paradigm in materials science. In
this field, data is the new resource, and knowledge is extracted from materials
data sets that are too big or complex for traditional human reasoning -
typically with the intent to discover new or improved materials or materials
phenomena. Multi... | 1907.05644v2 |
2024-04-09 | Predicting the future applications of any stoichiometric inorganic material through learning from past literature | Through learning from past literature, artificial intelligence models have
been able to predict the future applications of various stoichiometric
inorganic materials in a variety of subfields of materials science. This
capacity offers exciting opportunities for boosting the research and
development (R&D) of new functio... | 2404.06120v1 |
2019-10-29 | Observation of spin-momentum locked surface states in amorphous Bi$_{2}$Se$_{3}$ | Crystalline symmetries have played a central role in the identification of
topological materials. The use of symmetry indicators and band representations
have enabled a classification scheme for crystalline topological materials,
leading to large scale topological materials discovery. In this work we address
whether am... | 1910.13412v4 |
2022-04-26 | Unusually strong electronic correlation and field-induced ordered phase in YbCo$_2$ | We report the first study of electrical resistivity, magnetization, and
specific heat on YbCo$_2$. The measurements on a single-phased sample of
YbCo$_2$ bring no evidence of magnetic ordering down to 0.3 K in a zero
magnetic field. The manifestations of low Kondo temperature are observed. The
specific heat value divid... | 2204.12025v2 |
2019-10-02 | High-throughput Density Functional Perturbation Theory and Machine Learning Predictions of Infrared, Piezoelectric and Dielectric Responses | Many technological applications depend on the response of materials to
electric fields, but available databases of such responses are limited. Here,
we explore the infrared, piezoelectric and dielectric properties of inorganic
materials by combining high-throughput density functional perturbation theory
and machine lea... | 1910.01183v2 |
2022-06-21 | A method to computationally screen for tunable properties of crystalline alloys | Conventionally, high-throughput computational materials searches start from
an input set of bulk compounds extracted from material databases, and this set
is screened for candidate materials for specific applications. In contrast,
many functional materials, and especially semiconductors, are heavily
engineered alloys o... | 2206.10715v3 |
2023-05-20 | PhotoMat: A Material Generator Learned from Single Flash Photos | Authoring high-quality digital materials is key to realism in 3D rendering.
Previous generative models for materials have been trained exclusively on
synthetic data; such data is limited in availability and has a visual gap to
real materials. We circumvent this limitation by proposing PhotoMat: the first
material gener... | 2305.12296v2 |
2015-06-30 | Strong, Tough and Stiff Bioinspired Ceramics from Brittle Constituents | High strength and high toughness are usually mutually exclusive in
engineering materials. Improving the toughness of strong but brittle materials
like ceramics thus relies on the introduction of a metallic or polymeric
ductile phase to dissipate energy, which conversely decreases the strength,
stiffness, and the abilit... | 1506.08979v1 |
2014-03-02 | A comprehensive scenario of the single crystal growth and doping dependence of resistivity and anisotropic upper critical fields in (Ba$_{1-x}$K$_x$)Fe$_2$As$_2$ ($0.22 \leq x \leq 1$) | Large high-quality single crystals of hole-doped iron-based superconductor
(Ba$_{1-x}$K$_x$)Fe$_2$As$_2$ were grown over a broad composition range $0.22
\leq x \leq 1$ by inverted temperature gradient method. We found that high
soaking temperature, fast cooling rate, and adjusted temperature window of the
growth are ne... | 1403.0227v1 |
2017-12-07 | Effects of high energy proton irradiation on the superconducting properties of Fe(Se,Te) thin films | In this paper we explore the effects of 3.5 MeV proton irradiation on
Fe(Se,Te) thin films grown on CaF2. In particular, we carry out a systematic
experimental investigation with different irradiation fluences up to 7.30x10^16
cm^-2 and different proton implantation depths, in order to clarify whether and
to what exten... | 1712.02558v1 |
2020-04-29 | Self-similar structure of resistive ADAFs with outflow and large-scale magnetic field | The observations and simulations have revealed that large-scale magnetic
field and outflows can exist in the inner regions of an advection-dominated
accretion disc where the resistive diffusion may also be important. In the
present paper, the roles of large-scale magnetic field and outflows in the
structure of resistiv... | 2004.14757v1 |
2022-02-28 | Ultra-Efficient Resistance Switching between Charge Ordered Phases in 1T-TaS$_2$ with a Single Picosecond Electrical Pulse | Progress in high-performance computing demands significant advances in memory
technology. Among novel memory technologies that promise efficient device
operation on a sub-ns timescale, resistance switching between charge ordered
phases of the 1T-TaS$_2$ has shown to be potentially useful for the development
of high-spe... | 2202.13831v3 |
2021-10-15 | MHD simulations of small ELMs at low triangularity in ASDEX Upgrade | The development of small- and no-ELM regimes for ITER is a high priority
topic due to the risks associated to type-I ELMs. By considering non-linear
extended MHD simulations of the ASDEX Upgrade tokamak with the JOREK code, we
probe a regime that avoids type-I ELMs completely provided that the separatrix
density is hig... | 2110.07908v1 |
2022-01-05 | Superconducting $I$$\overline{4}$3$m$ CSH$_7$ model applied to resistive transition temperature data for compressed C-S-H at high pressure | This article updates version 1 by restricting consideration to only the
resistive data and excluding the questioned 287.7-K datum reported for
carbonaceous sulfur hydride in Snider et al., Nature $\textbf{585}$, 373
(2020). The superconducting transitions are considered in terms of the
theoretically-discovered compress... | 2201.01860v3 |
2021-12-02 | Mechanistic Data Science for Modeling and Design of Aerospace Composite Materials | Polymer matrix composites exhibit remarkable lightweight and high strength
properties that make them attractive for aerospace applications. Constituents'
materials such as advanced polymers and fibers or fillers with their
hierarchical structure embed these exceptional properties to the composite
materials. This hierar... | 2112.00968v1 |
2024-01-31 | Incorporating quasiparticle and excitonic properties into material discovery | In recent years, GW-BSE has been proven to be extremely successful in
studying the quasiparticle (QP) bandstructures and excitonic effects in the
optical properties of materials. However, the massive computational cost
associated with such calculations restricts their applicability in
high-throughput material discovery... | 2401.17831v1 |
2020-12-10 | Growth of Two-dimensional Compound Materials: Controllability, Material Quality, and Growth Mechanism | CONSPECTUS: Two-dimensional (2D) compound materials are promising materials
for use in electronics, optoelectronics, flexible devices, etc. because they
are ultrathin and cover a wide range of properties. Among all methods to
prepare 2D materials, chemical vapor deposition (CVD) is promising because it
produces materia... | 2012.05486v1 |
2022-03-17 | Quasi-solid-state electrolyte for ultra-high safety and cycle stability battery | All-solid-state lithium batteries (ASSLB) have been regarded as the most
promising candidate to achieve the next generation energy storage with high
energy and high safety. However, some bottlenecks, including high interfacial
resistance, bad electrochemical stability, and low conductivity, have hindered
its further de... | 2203.09269v1 |
2012-11-25 | HIV drug resistance: problems and perspectives | Access to combination antiretroviral treatment (ART) has improved greatly
over recent years. At the end of 2011, more than eight million HIV infected
people were receiving antiretroviral therapy in low-income and middle-income
countries. ART generally works well in keeping the virus suppressed and the
patient healthy. ... | 1211.5807v2 |
2022-07-16 | Random 2D nanowire networks: Finite-size effect and the effect of busbar/nanowire contact resistance on their electrical conductivity | We have studied the resistance of two-dimensional random percolating networks
of zero-width metallic nanowires (rings or sticks). We toke into account the
nanowire resistance per unit length, the junction (nanowire/nanowire contact)
resistance, and the busbar/nanowire contact resistance. Using a mean-field
approximatio... | 2207.07841v2 |
1995-01-09 | Resonant Tunneling and Charging Effects, a Path Integral Approach | Electron tunneling through small metallic islands with low capacitance is
studied. The large charging energy in these systems is responsible for
nonperturbative Coulomb blockade effects. We further consider the effect of
electron interactions in the electrodes. In junctions with high resistance
compared to the quantum ... | 9501028v1 |
1997-11-11 | Transport Properties of Heavy Fermion Compounds | A technique for measuring the electrical resistivity and absolute thermopower
is presented for pressures up to 30 GPa, temperatures down to 25 mK and
magnetic fields up to 10 T. With the examples of CeCu2Ge2 and CeCu2Si2 we focus
on the interplay of normal phase and superconducting properties. With
increasing pres- sur... | 9711089v1 |
1999-01-14 | Multiple Andreev reflections in diffusive SNS structures | We report new measurements on sup-gap energy structure originating from
multiple Andreev reflections in mesoscopic SNS junctions. The junctions were
fabricated in a planar geometry with high transparency superconducting contacts
of Al deposited on highly diffusive and surface d-doped n++-GaAs. For samples
with a normal... | 9901140v2 |
2000-07-13 | Josephson junction array type I-V characteristics of quench-condensed ultra thin films of Bi | In this communication we report studies of d.c current-voltage (I-V)
characteristics of ultra thin films of Bi, quench condensed on single crystal
sapphire substrates at T = 15K. The hysteretic I-V characteristics are
explained using a resistively and capacitively shunted junction (RCSJ) model of
Josephson junction arr... | 0007222v1 |
2001-04-26 | Electron Quasiparticles Drive the Superconductor-to-Insulator Transition in Homogeneously Disordered Thin Films | Transport data on Bi, MoGe, and PbBi/Ge homogeneously-disordered thin films
demonstrate that the critical resistivity, $R_c$, at the nominal
insulator-superconductor transition is linearly proportional to the normal
sheet resistance, $R_N$. In addition, the critical magnetic field scales
linearly with the superconducti... | 0104504v2 |
2001-05-24 | Dilute electron gas near the metal-insulator transition in two dimensions | In recent years systematic experimental studies of the temperature dependence
of the resistivity in a variety of dilute, ultra clean two dimensional
electron/hole systems have revived the fundamental question of localization or,
alternatively, the existence of a metal-insulator transition in the presence of
strong elec... | 0105471v1 |
2002-03-06 | c-Axis Transport and Resistivity Anisotropy of Lightly- to Moderately-Doped La_{2-x}Sr_{x}CuO_{4} Single Crystals: Implications on the Charge Transport Mechanism | Both the in-plane and the out-of-plane resistivities (\rho_{ab} and \rho_{c})
are measured in high-quality La_{2-x}Sr_{x}CuO_{4} (LSCO) single crystals in
the lightly- to moderately-doped region, x = 0.01 to 0.10, and the resistivity
anisotropy is determined. In all the samples studied, the anisotropy ratio \rho
_{c}/\... | 0203107v1 |
2002-05-15 | Evolution of the resistivity anisotropy in Bi_{2}Sr_{2-x}La_{x}CuO_{6+δ} single crystals for a wide range of hole doping | To elucidate how the temperature dependence of the resistivity anisotropy of
the cuprate superconductors changes with hole doping, both the in-plane and the
out-of-plane resistivities (\rho_{ab} and \rho_{c}) are measured in a series of
high-quality Bi_{2}Sr_{2-x}La_{x}CuO_{6+\delta} (BSLCO) single crystals for a
wide ... | 0205305v2 |
2003-05-08 | Anisotropic magnetization, specific heat and resistivity of RFe2Ge2 single crystals | We have grown RFe2Ge2 single crystals for R = Y and ten members of the
lanthanide series (Pr, Nd, Sm, Gd-Tm, Lu) using Sn flux as the solvent. The
method yields clean, high quality crystal plates as evidenced by residual
resistivities and RRR values in the range of 3-12 uOhm cm and 20-90
respectively. The crystals are ... | 0305173v1 |
2004-09-15 | Current-Induced Pair Breaking in Magnesium Diboride | The transport of electrical current through a superconductor falls into three
broad regimes: non-dissipative, dissipative but superconducting, and normal or
non-superconducting. These regimes are demarkated by two definitions of
critical current: one is the threshold current above which the superconductor
enters a diss... | 0409402v1 |
2005-06-09 | Pressure-induced valence change in the rare earth metals:The case of Praseodymium | The rare earth metal praseodymium (Pr) transforms from the d-fcc crystal
structure (Pr-III) to {$\alpha$}-U one (Pr-IV) at 20 GPa with a large volume
collapse (${\rm\Delta} V/V$ = 0.16), which is associated with the valence
change of the Pr ion. The two 4{\it f} electrons in the Pr ion is supposed to
be itinerant in th... | 0506222v1 |
2004-10-20 | The penetration of plasma clouds across magnetic boundaries : the role of high frequency oscillations | Experiments are reported where a collisionfree plasma cloud penetrates a
magnetic barrier by self-polarization. We here focus on the resulting anomalous
magnetic field diffusion into the plasma cloud, two orders of magnitude faster
than classical, which is one important aspect of the plasma cloud penetration
mechanism.... | 0410168v1 |
2007-12-13 | Andreev reflections at large ferromagnet/high-T_C superconductor area junctions with rough interface | Sub-gap conductance at a large area junction with a rough interface of a
ferromagnet and a high-T$_{C}$ superconductor is superimposed by multiple peaks
which is not expected from an ideal point contact Andreev reflection process.
We demonstrate this phenomenon by measuring resistance as a function of bias
voltage of a... | 0712.2131v2 |
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