publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2011-01-30 | Spin transport in magnetically ordered systems: effect of the lattice relaxation time | Spin resistivity $R$ has been shown to result mainly from the scattering of
itinerant spins with magnetic impurities and lattice spins. $R$ is proportional
to the spin-spin correlation so that its behavior is very complicated near and
at the magnetic phase transition of the lattice spins. For the time being there
are m... | 1101.5789v1 |
2020-09-16 | Resistive switching in reverse: voltage driven formation of a transverse insulating barrier | Application of an electric stimulus to a material with a metal-insulator
transition can trigger a large resistance change. Resistive switching from an
insulating into a metallic phase, which typically occurs by the formation of
conducting filaments parallel to the current flow, has been an active research
topic. Here w... | 2009.07412v1 |
2021-08-14 | Voltage-controlled magnetism enabled by resistive switching | The discovery of new mechanisms of controlling magnetic properties by
electric fields or currents furthers the fundamental understanding of magnetism
and has important implications for practical use. Here, we present a novel
approach of utilizing resistive switching to control magnetic anisotropy. We
study a ferromagne... | 2108.06445v1 |
2022-08-02 | Investigating thermal transport in knotted graphene nanoribbons using non-equilibrium molecular dynamics | In this work, we investigated the effect of knots in the thermal transport of
graphene nanoribbons through non-equilibrium molecular dynamics simulations. We
considered the cases of one, two, and three knots are present. Temperature
jumps appear in the temperature profile where the knots are located, which
indicates th... | 2208.01751v1 |
2010-05-21 | Effect of Heterogeneous Mixing and Vaccination on the Dynamics of Anthelmintic Resistance: A Nested Model | Anthelmintic resistance is a major threat to current measures for helminth
control in humans and animals. The introduction of anthelmintic vaccines, as a
complement to or replacement for drug treatments, has been advocated as a
preventive measure. Here, a computer-based simulation, tracking the dynamics of
hosts, paras... | 1005.3891v1 |
2018-06-20 | Modeling continuous levels of resistance to multidrug therapy in cancer | Multidrug resistance consists of a series of genetic and epigenetic
alternations that involve multifactorial and complex processes, which are a
challenge to successful cancer treatments. Accompanied by advances in
biotechnology and high-dimensional data analysis techniques that are bringing
in new opportunities in mode... | 1806.07557v1 |
2021-01-18 | Hubs-biased resistance distances on graphs and networks | We define and study two new kinds of "effective resistances" based on
hubs-biased -- hubs-repelling and hubs-attracting -- models of navigating a
graph/network. We prove that these effective resistances are squared Euclidean
distances between the vertices of a graph. They can be expressed in terms of
the Moore-Penrose ... | 2101.07103v2 |
2021-10-18 | Low-Frequency 1/f Noise Characteristics of Ultra-Thin AlO$_{x}$-Based Resistive Switching Memory Devices with Magneto-Resistive Responses | Low-frequency 1/f voltage noise has been employed to probe stochastic charge
dynamics in AlO$_{x}$-based non-volatile resistive memory devices exhibiting
both resistive switching (RS) and magneto-resistive (MR) effects. A
1/f$^{\gamma}$ noise power spectral density is observed in a wide range of
applied voltage biases.... | 2110.09331v1 |
2023-07-24 | Clustering MIC data through Bayesian mixture models: an application to detect M. Tuberculosis resistance mutations | Antimicrobial resistance is becoming a major threat to public health
throughout the world. Researchers are attempting to contrast it by developing
both new antibiotics and patient-specific treatments. In the second case,
whole-genome sequencing has had a huge impact in two ways: first, it is
becoming cheaper and faster... | 2307.12603v1 |
2023-06-19 | On the Active Components in Crystalline Li-Nb-O and Li-Ta-O Coatings from First Principles | Layered-oxide $\mathrm{LiNi_xMn_yCo_{1-x-y}O_2}$ (NMC) positive electrodes
with high Nickel content, deliver high voltages and energy densities. However,
a high nickel content, e.g., $x$ = 0.8 (NMC 811), can lead to high surface
reactivity, which can trigger thermal runaway and gas generation. While claimed
safer, all-... | 2306.10716v1 |
2020-01-23 | Large Enhancement of Thermoelectric Efficiency Due to a Pressure-Induced Lifshitz Transition in SnSe | Lifshitz transition, a change in Fermi surface topology, is likely to greatly
influence exotic correlated phenomena in solids, such as high-temperature
superconductivity and complex magnetism. However, since the observation of
Fermi surfaces is generally difficult in the strongly correlated systems, a
direct link betwe... | 2001.08674v1 |
2009-07-10 | Cellulose-Bound Magnesium Diboride Superconductivity | Two-phase superconductor tapes were produced by blending high purity
magnesium diboride powder with a liquid ethylcellulose-based polymeric binder.
This procedure produced a material which is easily formable with a high
superconducting transition temperature (38K). We show that the bulk
superconducting properties are n... | 0907.1744v1 |
2010-06-27 | Soft capacitor fibers using conductive polymers for electronic textiles | A novel, highly flexible, conductive polymer-based fiber with high electric
capacitance is reported. In its crossection the fiber features a periodic
sequence of hundreds of conductive and isolating plastic layers positioned
around metallic electrodes. The fiber is fabricated using fiber drawing method,
where a multi-m... | 1006.5221v1 |
2015-03-06 | Conductivity of a Weyl semimetal with donor and acceptor impurities | We study transport in a Weyl semimetal with donor and acceptor impurities.
At sufficiently high temperatures transport is dominated by electron-electron
interactions, while the low-temperature resistivity comes from the scattering
of quasiparticles on screened impurities.
Using the diagrammatic technique, we calcul... | 1503.02078v2 |
2015-10-31 | High-performance Thermal Interface Material Based on Few-layer Graphene Composite | We developed high-performance thermal interface materials (TIMs) based on
few-layer graphene (FLG) composite, where FLG was prepared by the interlayer
catalytic exfoliation (ICE) method. We experimentally demonstrated feasibility
of FLG composites as TIMs by investigating their thermal and mechanical
properties, and re... | 1511.00076v2 |
2016-02-16 | Perfect charge compensation in extremely large magnetoresistance materials LaSb and LaBi revealed by the first-principles calculations | By the first-principles electronic structure calculations, we have
systematically studied the electronic structures of recently discovered
extremely large magnetoresistance (XMR) materials LaSb and LaBi. We find that
both LaSb and LaBi are semimetals with the electron and hole carriers in
perfect balance. The calculate... | 1602.05061v1 |
2016-06-17 | Homogeneously bright, flexible and foldable lighting devices with functionalised graphene electrodes | Alternating current electroluminescent technology allows the fabrication of
large area, flat and flexible lights. Presently the maximum size of a
continuous panel is limited by the high resistivity of available transparent
electrode materials causing a visible gradient of brightness. Here, we
demonstrate that the use o... | 1606.05482v1 |
2017-10-27 | The Quantum Hall Effect with Wilczek's charged magnetic flux tubes instead of electrons | Composites formed from charged particles and magnetic flux tubes, proposed by
Wilczek, are one model for anyons - particles obeying fractional statistics.
Here we propose a scheme for realizing charged flux tubes, in which a charged
object with an intrinsic magnetic dipole moment is placed between two
semi-infinite blo... | 1710.10108v2 |
2020-03-03 | Chemical sensing with atomically-thin metals templated by a two-dimensional insulator | Boosting the sensitivity of solid-state gas sensors by incorporating
nanostructured materials as the active sensing element can be complicated by
interfacial effects. Interfaces at nanoparticles, grains, or contacts may
result in non-linear current-voltage response, high electrical resistance, and
ultimately, electric ... | 2003.01594v1 |
2020-04-27 | Runaway dynamics in the DT phase of ITER operations in the presence of massive material injection | A runaway avalanche can result in a conversion of the initial plasma current
into a relativistic electron beam in high current tokamak disruptions. We
investigate the effect of massive material injection of deuterium-noble gas
mixtures on the coupled dynamics of runaway generation, resistive diffusion of
the electric f... | 2004.12861v3 |
2020-09-04 | Magnon-induced Giant Anomalous Nernst Effect in Single Crystal MnBi | Thermoelectric modules are a promising approach to energy harvesting and
efficient cooling. In addition to the longitudinal Seebeck effect, recently
transverse devices utilizing the anomalous Nernst effect (ANE) have attracted
interest. For high conversion efficiency, it is required that the material
should have a larg... | 2009.02211v3 |
2022-02-10 | Nanostructured transition metal dichalcogenide multilayers for advanced nanophotonics | Transition metal dichalcogenides (TMDs) attract significant attention due to
their exceptional optical, excitonic, mechanical, and electronic properties.
Nanostructured multilayer TMDs were recently shown to be highly promising for
nanophotonic applications, as motivated by their exceptionally high refractive
indexes a... | 2202.04898v1 |
2021-01-20 | Electrically-Insulating Flexible Films with Quasi-One-Dimensional van-der-Waals Fillers as Efficient Electromagnetic Shields | We report polymer composite films containing fillers comprised of
quasi-one-dimensional (1D) van der Waals materials, specifically transition
metal trichalcogenides containing 1D structural motifs that enable their
exfoliation into bundles of atomic threads. These nanostructures are
characterized by extremely large asp... | 2101.08239v1 |
2020-05-07 | Understanding cooperative loading in carbon nanotube fibres through in-situ structural studies during stretching | Carbon nanotube (CNT) fibres are firmly established as a new high-performance
fibre, but their tensile mechanical properties remain a relatively small
fraction of those of the constituent CNTs. Clear structure-property relations
and accurate mechanical models are pressing requirements to bridge this gap. In
this work w... | 2005.03305v2 |
2020-12-02 | Crystallographic Reconstruction Driven Modified Mechanical Properties in Anisotropic Rhenium Disulfides | Atomic-scale investigation on mechanical behaviors is highly necessary to
fully understand the fracture mechanics especially of brittle materials, which
are determined by atomic-scale phenomena (e.g., lattice trapping). Here,
exfoliated anisotropic rhenium disulfide (ReS2) flakes are used to investigate
atomic-scale cr... | 2012.01045v1 |
2021-03-04 | Observation of an Unusual Colossal Anisotropic Magnetoresistance Effect in an Antiferromagnetic Semiconductor | Searching for novel antiferromagnetic materials with large magnetotransport
response is highly demanded for constructing future spintronic devices with
high stability, fast switching speed, and high density. Here we report a
colossal anisotropic magnetoresistance effect in an antiferromagnetic binary
compound with laye... | 2103.02818v1 |
2023-01-17 | Comparing Methods of Characterizing Energetic Disorder in Organic Solar Cells | Energetic disorder has been known for decades to limit the performance of
structurally disordered semiconductors such as amorphous silicon and organic
semiconductors. However, in the past years, high performance organic solar
cells have emerged showing a continuously reduced amount of energetic disorder.
While searchin... | 2301.06792v1 |
2023-06-12 | Significant improvement of the lower critical field in Y doped Nb: potential replacement of basic material for the radio-frequency superconducting cavity | The research of high energy and nuclear physics requires high power
accelerators, and the superconducting radio-frequency (SRF) cavity is regarded
as their engine. Up to now, the widely used practical and effective material
for making the SRF cavity is pure Nb. The key parameter that governs the
efficiency and the acce... | 2306.06915v1 |
2023-07-18 | Observation of giant two-level systems in a granular superconductor | Disordered thin films are a common choice of material for superconducting,
high impedance circuits used in quantum information or particle detector
physics. A wide selection of materials with different levels of granularity are
available, but, despite low microwave losses being reported for some, the high
degree of dis... | 2307.09078v2 |
2024-03-01 | First-principles Investigation of Thermodynamic Properties of CrNbO4 and CrTaO4 | In the present study, the DFT+U method was employed to predict the
thermodynamic properties of Cr2O3, Nb2O5, and Ta2O5. Results were benchmarked
with experimental data showing high accuracy, except for the negative thermal
expansion (NTE) of Nb2O5, which is attributed to its polymorphic complexity.
Additionally, we ext... | 2403.00705v1 |
2017-03-05 | Response to Comment on 'Spin-Orbit Logic with Magnetoelectric Nodes: A Scalable Charge Mediated Nonvolatile Spintronic Logic' (arXiv:1607.06690) | In this technical note, we address the comments on the energy estimates for
Magnetoelectric Spin-orbit (MESO) Logic, a new logic device proposed by the
authors. We provide an analytical derivation of the switching energy, and
support it with time-domain circuit simulations using a self-consistent
ferroelectric (FE) com... | 1703.01559v1 |
2014-11-05 | Modeling of High Composition AlGaN Channel HEMTs with Large Threshold Voltage | We report on the potential of high electron mobility transistors (HEMTs)
consisting of high composition AlGaN channel and barrier layers for power
switching applications. Detailed 2D simulations show that threshold voltages in
excess of 3 V can be achieved through the use of AlGaN channel layers. We also
calculate the ... | 1411.1447v1 |
2016-11-10 | Ultra-high vacuum compatible preparation chain for intermetallic compounds | We report the development of a versatile material preparation chain for
intermetallic compounds that focuses on the realization of a high-purity growth
environment. The preparation chain comprises of an argon glovebox, an
inductively heated horizontal cold boat furnace, an arc melting furnace, an
inductively heated rod... | 1611.03392v1 |
2020-08-06 | Granular superconductors for high kinetic inductance and low loss quantum devices | Granular aluminum is a promising material for high kinetic inductance devices
such as qubit circuits. It has the advantage over atomically disordered
materials such as NbN_x, to maintain a high kinetic inductance concomitantly
with a high quality factor. We show that high quality nano-scale granular
aluminum films havi... | 2008.02860v1 |
2023-11-14 | A calculation method to estimate thermal conductivity of high entropy ceramic for thermal barrier coatings | High entropy ceramics are highly promising as next generation thermal barrier
coatings due to their unique disorder structure, which imparts ultra-low
thermal conductivity and good high temperature stability. Unlike traditional
ceramic materials, the thermal resistance in high entropy ceramics
predominantly arises from... | 2311.08246v1 |
2022-04-14 | Non-equilibrium Phonon Thermal Resistance at MoS2/Oxide and Graphene/Oxide Interfaces | Accurate measurements and physical understanding of thermal boundary
resistance (R) of two-dimensional (2D) materials are imperative for effective
thermal management of 2D electronics and photonics. In previous studies, heat
dissipation from 2D material devices was presumed to be dominated by phonon
transport across th... | 2204.06975v1 |
1996-08-24 | Band Structure and Transport Properties of CrO_2 | Local Spin Density Approximation (LSDA) is used to calculate the energy bands
of both the ferromagnetic and paramagnetic phases of metallic CrO_2. The Fermi
level lies in a peak in the paramagnetic density of states, and the
ferromagnetic phase is more stable. As first predicted by Schwarz, the magnetic
moment is 2 \mu... | 9608006v1 |
2013-01-13 | A new lower limit for the bond breaking strains of defect-free carbon nanotubes: Tight binding MD simulation study | The Order (N) Tight Binding Molecular Dynamics (TBMD) algorithms applied to
simulate the tensile elongations of short (2-2.5 nm) armchair and zigzag Single
Walled Carbon Nanotubes (SWCNTs) without bond breakings or defect formation.
Simulations are repeated at high temperatures. We fix the lower limit of
breaking strai... | 1301.2786v1 |
2013-01-28 | Structural disorder, magnetism, and electrical and thermoelectric properties of pyrochlore Nd2Ru2O7 | Polycrystalline Nd2Ru2O7 samples have been prepared and examined using a
combination of structural, magnetic, and electrical and thermal transport
studies. Analysis of synchrotron X-ray and neutron diffraction patterns
suggests some site disorder on the A-site in the pyrochlore sublattice: Ru
substitutes on the Nd-site... | 1301.6661v1 |
2015-01-06 | Coexistence of Electron-Glass Phase and Persistent Photoconductivity in GeSbTe Compounds | It is demonstrated that persistent-photoconductivity (PPC), well-studied in
lightly-doped semiconductors, is observable in GeSbTe compounds using infrared
excitation at cryogenic temperatures. The low level of energy-flux necessary to
induce an appreciable effect seems surprising given the high
carrier-concentration n ... | 1501.01163v2 |
2018-11-05 | Outstanding Radiation Resistance of Tungsten-based High Entropy Alloys | A novel W-based refractory high entropy alloy with outstanding radiation
resistance has been developed. The alloy was grown as thin films showing a
bimodal grain size distribution in the nanocrystalline and ultrafine regimes
and a unique 4 nm lamella-like structure revealed by atom probe tomography
(APT). Transmission ... | 1811.01915v1 |
2017-04-05 | Cubic lead perovskite PbMoO3 with anomalous metallic behavior | A previously unreported Pb-based perovskite PbMoO$_3$ is obtained by
high-pressure and high-temperature synthesis. This material crystallizes in the
$Pm\bar{3}m$ cubic structure at room temperature, making it distinct from
typical Pb-based perovskite oxides with a structural distortion. PbMoO$_3$
exhibits a metallic be... | 1704.01270v1 |
2018-12-18 | Hidden kagome-lattice picture and origin of high conductivity in delafossite PtCoO$_2$ | We study the electronic structure of delafossite PtCoO$_2$ to elucidate its
extremely small resistivity and high mobility. The band exhibits steep
dispersion near the Fermi level despite the fact that it is formed mainly by Pt
$d$ orbitals that are typically localized. We propose a picture based on two
hidden kagome-la... | 1812.07213v2 |
2019-10-29 | Multi-frequency Shubnikov-de Haas oscillations in topological semimetal Pt$_2$HgSe$_3$ | Monolayer jacutingaite (Pt$_2$HgSe$_3$) has been recently identified as a
candidate quantum spin Hall system with a 0.5 eV band gap, but no transport
measurements have been performed so far on this material, neither in monolayer
nor in the bulk. By using a dedicated high-pressure technique, we grow crystals
enabling th... | 1910.13228v2 |
2020-10-11 | Observation of Josephson-like tunneling junction characteristics and positive magnetoresistance in Oxygen deficient Nickelate films of $Nd_{0.8}Sr_{0.2}NiO_{3-δ}$ | Nickelate films have recently attracted broad attention due to the
observation of superconductivity in the infinite layer phase of
$Nd_{0.8}Sr_{0.2}NiO_2$ (obtained by reducing Sr doped $NdNiO_3$ films) and
their similarity to the cuprates high temperature superconductors. Here we
report on the observation of a new typ... | 2010.05277v2 |
2021-04-04 | Mesoporous silica nanoparticles containing silver as novel antimycobacterial agents against Mycobacterium tuberculosis | Tuberculosis remains today a major public health issue with a total of 9
million new cases and 2 million deaths annually. The lack of an effective
vaccine and the increasing emergence of new strains of Mycobacterium
tuberculosis (Mtb) highly resistant to antibiotics, anticipate a complicated
scenario in the near future... | 2104.01649v1 |
2021-04-29 | The dominance of non-electron-phonon charge carrier interaction in highly-compressed superhydrides | The primary mechanism governing the emergence of near-room-temperature
superconductivity in superhydrides is widely accepted to be the electron-phonon
interaction. If so, the temperature dependent resistance, R(T), in these
materials should obey the Bloch-Gr\"uneisen equation, where the power-law
exponent, p, should be... | 2104.14145v3 |
2021-09-30 | Physical and Mechanical Properties of Cu-Fe System Functionally Graded and Multimaterial Structures after the DED | This paper is devoted to experimental characterisation of linear thermal
expansion coefficient (LTEC) and mechanical characteristics of the laser
deposited Cu-Fe system multilayer functionally graded (FG) structures and
binary Cu-Fe alloys, fabricated from the tin, aluminium, and chromium bronze
with 89-99 wt.% of copp... | 2110.00103v1 |
2021-10-26 | Temperature induced first order electronic topological transition in $β$-Ag$_2$Se | $\beta$-Ag$_2$Se is a promising material for room temperature thermoelectric
applications and magneto-resistive sensors. However, no attention was paid
earlier to the hysteresis in the temperature dependence of resistivity
($\rho$($T$)). Here, we show that a broad hysteresis above 35 K is observed not
only in $\rho$($T... | 2110.13554v1 |
2021-11-11 | Current-induced superconducting anisotropy of Sr$\mathsf{_2}$RuO$\mathsf{_4}$ | In the unconventional superconductor Sr$\mathsf{_2}$RuO$\mathsf{_4}$, unusual
first-order superconducting transition has been observed in the low-temperature
and high-field region, accompanied by a four-fold anisotropy of the in-plane
upper critical magnetic field $H_{c2}$. The origin of such unusual $H_{c2}$
behavior ... | 2111.06097v1 |
2022-03-08 | Electronic effects on the radiation damage in high-entropy alloys | High-entropy alloys (HEAs) are exceptional candidates for radiation-resistant
materials due to their complex local chemical environment and slow defect
migration. Despite commonly overlooked, electronic effects on defects evolution
in radiation environments also play a crucial role by dissipating excess energy
through ... | 2203.03779v2 |
2019-07-29 | Linear-$T$ resistivity from low to high temperature: axion-dilaton theories | The linear-$T$ resistivity is one of the hallmarks of various strange metals
regardless of their microscopic details. Towards understanding this universal
property, the holographic method or gauge/gravity duality has made much
progress. Most holographic models have focused on the low temperature limit,
where the linear... | 1907.12168v3 |
2015-01-16 | Phonon transmission across Mg2Si/Mg2Si1-xSnx interfaces: A first-principles-based atomistic Green's function study | Phonon transmission across interfaces of dissimilar materials has been
studied intensively in the recent years by using atomistic simulation tools
owing to its importance in determining the effective thermal conductivity of
nanostructured materials. Atomistic Green's function (AGF) method with
interatomic force constan... | 1501.04084v1 |
2020-06-19 | Dionysian Hard Sphere Packings are Mechanically Stable at Vanishingly Low Densities | High strength-to-weight ratio materials can be constructed by either
maximizing strength or minimizing weight. Tensegrity structures and aerogels
take very different paths to achieving high strength-to-weight ratios but both
rely on internal tensile forces. In the absence of tensile forces, removing
material eventually... | 2006.11415v3 |
2020-06-30 | Electrothermal Transport Induced Material Re Configuration and Performance Degradation of CVD Grown Monolayer MoS2 Transistors | We report, for CVD-grown monolayer MoS2, the very first results on temporal
degradation of material and device performance under electrical stress. Both
low and high field regimes of operation are explored at different temperatures,
gate bias and stress cycles. During low field operation, current is found to
saturate a... | 2006.16952v1 |
2020-08-12 | High Rate Hybrid MnO2@CNT Fabric Anode for Li-Ion Batteries: Properties and Lithium Storage Mechanism by In-Situ Synchrotron X-Ray Scattering | High-performance anodes for rechargeable Li-ion battery are produced by
nanostructuring of the transition metal oxides on a conductive support. Here,
we demonstrate a hybrid material of MnO2 directly grown onto fabrics of carbon
nanotube fibres, which exhibits notable specific capacity over 1100 and 500
mAh/g at a disc... | 2008.05169v1 |
2021-12-01 | Unraveling diffusion kinetics of honeycomb structured Na$_2$Ni$_2$TeO$_6$ as a high-potential and stable electrode for sodium-ion batteries | In search of the potential cathode materials for sodium-ion batteries and to
understand the diffusion kinetics, we report the detailed analysis of
electrochemical investigation of honeycomb structured Na$_{2}$Ni$_{2}$TeO$_{6}$
material using cyclic voltammetry (CV), electrochemical impedance spectroscopy
(EIS), galvano... | 2112.00536v1 |
2000-04-19 | Role of in-plane dissipation in dynamics of Josephson lattice in high-temperature superconductors | We calculate the flux-flow resistivity of the Josephson vortex lattice in a
layered superconductor taking into account both the inter-plane and in-plane
dissipation channels. We consider the limiting cases of small fields (isolated
vortices) and high fields (overlapping vortices). In the case of the dominating
in-plane... | 0004337v2 |
2014-11-24 | Spatial heterogeneity in drug concentrations can facilitate the emergence of resistance to cancer therapy | Acquired resistance is one of the major barriers to successful cancer
therapy. The development of resistance is commonly attributed to genetic
heterogeneity. However, heterogeneity of drug penetration of the tumor
microenvironment both on the microscopic level within solid tumors as well as
on the macroscopic level acr... | 1411.6684v1 |
2018-10-23 | Relativistic resistive magnetohydrodynamic reconnection and plasmoid formation in merging flux tubes | We apply the general relativistic resistive magnetohydrodynamics code {\tt
BHAC} to perform a 2D study of the formation and evolution of a reconnection
layer in between two merging magnetic flux tubes in Minkowski spacetime.
Small-scale effects in the regime of low resistivity most relevant for dilute
astrophysical pla... | 1810.10116v2 |
2023-11-06 | Quantification of spin-charge interconversion in highly resistive sputtered Bi$_x$Se$_{1-x}$ with non-local spin valves | The development of spin-orbitronic devices, such as magneto-electric
spin-orbit logic devices, calls for materials with a high resistivity and a
high spin-charge interconversion efficiency. One of the most promising
candidates in this regard is sputtered Bi$_x$Se$_{1-x}$. Although there are
several techniques to quanti... | 2311.03598v1 |
2015-02-10 | Dichotomy between the hole and electrons behavior in the multiband FeSe probed by ultra high magnetic fields | Magnetoresistivity \r{ho}xx and Hall resistivity \r{ho}xy in ultra high
magnetic fields up to 88T are measured down to 0.15K to clarify the multiband
electronic structure in high-quality single crystals of superconducting FeSe.
At low temperatures and high fields we observe quantum oscillations in both
resistivity and ... | 1502.02922v1 |
2023-10-31 | Unlocking ultrastrong high-temperature ceramics: Beyond Equimolar Compositions in High Entropy Nitrides | Traditionally, increasing compositional complexity and chemical diversity of
high entropy alloy ceramics whilst maintaining a stable single-phase solid
solution has been a primary design strategy for the development of new
ceramics. However, only a handful have shown properties that justify the
increased alloying conte... | 2310.20441v2 |
2010-09-21 | Large yield production of high mobility freely suspended graphene electronic devices on a PMGI based organic polymer | The recent observation of fractional quantum Hall effect in high mobility
suspended graphene devices introduced a new direction in graphene physics, the
field of electron-electron interaction dynamics. However, the technique used
currently for the fabrication of such high mobility devices has several
drawbacks. The mos... | 1009.4213v2 |
2024-02-04 | High temperature internal friction in a Ti-46Al-1Mo-0.2Si intermetallic, comparison with creep behaviour | Advanced g-TiAl based intermetallics Mo-bearing have been developed to obtain
the fine-grained microstructure required for superplastic deformation to be
used during further processing. In the present work we have studied an alloy of
Ti-46Al-1Mo-0.2Si (at%) with two different microstructures, as-cast material
with a co... | 2402.03389v1 |
1997-03-03 | Evidence for Kondo Effect in Au80Co20 Ribbons | A minimum in resistivity as a function of temperature for an as-quenched
Au80Co20 ribbon prepared by melt-spinning using a wheel surface speed of 20 m
s^{-1} is found at 25 K. No resistivity minimum is found for an as-quenched
ribbon using a wheel surface speed of 60 m s^{-1}, however, upon heat treatment
of this ribbo... | 9703030v1 |
2006-05-18 | Intrinsic inhomogeneities and effects of resistive switching in doped manganites | The effect of resistive switching in doped manganites being in the
ferromagnetic state has been studied using resistive and magneto-optic methods.
The visualization of magnetic structure of La0.75Sr0.25MnO3-x single crystals,
and its transformation under electric current proposed local superheating of
the material abov... | 0605457v1 |
2008-04-29 | Resistivity reduction of boron-doped multi-walled carbon nanotubes synthesized from a methanol solution containing a boric acid | Boron-doped multi-walled carbon nanotubes (MWNTs) were synthesized using a
methanol solution of boric acid as a source material. Accurate measurements of
the electrical resistivity of an individual boron-doped MWNT was performed with
a four-point contact, which was fabricated using an electron beam lithography
techniqu... | 0804.4514v1 |
2018-12-20 | Layer-by-layer resistive switching: multi-state functionality due to electric-field-induced healing of "dead" layers | Materials exhibiting reversible resistive switching in electrical fields are
highly demanded for functional elements in oxide electronics. In particular,
multilevel switching effects allow for advanced applications like neuromorphic
circuits. Here we report on a structurally driven switching mechanism involving
the so-... | 1812.08563v1 |
2019-10-29 | Improvement in corrosion resistance and biocompatibility of AZ31 magnesium alloy by NH+2 ions | Magnesium alloys have been considered to be favorable biodegradable metallic
materials used in orthopedic and cardiovascular applications. We introduce NH+2
to the AZ31 Mg alloy surface by ion implantation at the energy of 50 KeV with
doses ranging from 1e16 ions/cm2 to 1e17 ions/cm2 to improve its corrosion
resistance... | 1910.13265v1 |
2020-01-08 | UV-laser modification and selective ion-beam etching of amorphous vanadium pentoxide thin films | We present the results on excimer laser modification and patterning of
amorphous vanadium pentoxide films. Wet positive resist-type and Ar ion-beam
negative resist-type etching techniques were employed to develop UV-modified
films. V2O5 films were found to possess sufficient resistivity compared to
standard electronic ... | 2001.03054v1 |
2006-06-20 | Phase study of oscillatory resistances in high mobility GaAs/AlGaAs devices: Indications of a new class of integral quantum Hall effect | An experimental study of the high mobility GaAs/AlGaAs system at large-$\nu$
indicates several distinct phase relations between the oscillatory diagonal-
and Hall- resistances, and suggests a new class of integral quantum Hall
effect, which is characterized by "anti-phase" Hall- and diagonal- resistance
oscillations. | 0606517v1 |
2017-09-15 | Spontaneous surface reserve formation in wicked membranes bestow extreme stretchability | Soft stretchable materials are key for arising technologies such as
stretchable electronics or batteries, smart textiles, biomedical devices,
tissue engineering and soft robotics. Recent attempts to design such materials,
via e.g. micro-patterning of wavy fibres on soft substrates, polymer
engineering at the molecular ... | 1709.05228v1 |
2018-02-26 | Trilayer TMDC Heterostructures for MOSFETs and Nanobiosensors | Two dimensional materials such as Transition Metal Dichalcogenides (TMDC) and
their bi-layer/tri-layer heterostructures have become the focus of intense
research and investigation in recent years due to their promising applications
in electronics and optoelectronics. In this work, we have explored device level
performa... | 1802.09141v1 |
2018-06-07 | Plasmonics in Argentene | Two-dimensional materials exhibit a fascinating range of electronic and
photonic properties vital for nanophotonics, quantum optics and emerging
quantum information technologies. Merging concepts from the fields of ab initio
materials science and nanophotonics, there is now an opportunity to engineer
new photonic mater... | 1806.02672v1 |
2023-03-22 | Enhanced functional reversibility in lead-free ferroelectric material over long cycle pyroelectric energy conversion | The ferroelectric material usually exhibits temperature dependent spontaneous
polarization, known as pyroelectricity, which can be used to directly convert
thermal energy to electricity from ambient low-grade waste heat. When utilizing
the structural phase transformations of the material, the conversion capability
can ... | 2303.12583v1 |
2023-04-28 | Computational study of III-V direct-gap semiconductors for thermoradiative cell applications | We investigate the performance of thermoradiative (TR) cells using the III-V
group of semiconductors, which include GaAs, GaSb, InAs, and InP, with the aim
of determining their efficiency and finding the best TR cell materials among
the III-V group. The TR cells generate electricity from thermal radiation, and
their ef... | 2304.14917v1 |
2005-12-21 | Poly-MTO, {(CH_3)_{0.92} Re O_3}_\infty, a Conducting Two-Dimensional Organometallic Oxide | Polymeric methyltrioxorhenium, {(CH_{3})_{0.92}ReO_{3}}_{\infty} (poly-MTO),
is the first member of a new class of organometallic hybrids which adopts the
structural pattern and physical properties of classical perovskites in two
dimensions (2D). We demonstrate how the electronic structure of poly-MTO can be
tailored b... | 0512544v1 |
2017-10-10 | Clustered vacancies in ZnO: Chemical aspects and consequences on physical properties | Chemical nature of point defects, their segregation, cluster or complex
formation in ZnO is an important area of investigation. In this report, 1.2 MeV
Ar ion beam is used to incorporate defects in granular ZnO. Evolution of
defective state with irradiation fluence 1 x 10^14 and 1 x 10^16 ions/cm2 has
been monitored us... | 1710.03696v1 |
2021-09-23 | Zero Magnetic Field Plateau Phase Transition in Higher Chern Number Quantum Anomalous Hall Insulators | The plateau-to-plateau transition in quantum Hall effect under high magnetic
fields is a celebrated quantum phase transition between two topological states
through either sweeping the magnetic field or tuning the carrier density. The
recent realization of the quantum anomalous Hall (QAH) insulators with tunable
Chern n... | 2109.11382v1 |
2023-07-15 | Planar Hall effect and Anisotropic Magnetoresistance in Thin Films of Chiral Antiferromagnet Mn3Sn | Antiferromagnetic Weyl semimetals with spin chirality offer excellent
platforms to address the Berry phase physics, which manifests prominently in
several of their electro-optical and electro-magnetic responses including as a
large anomalous Hall effect (AHE) and spin Hall conductivity. Here, we report
measurements of ... | 2307.07795v1 |
2024-02-27 | Field, frequency and temperature dependence of the surface resistance of nitrogen diffused niobium superconducting radio frequency cavities | We report the RF performance of several single-cell superconducting
radio-frequency cavities subjected to low temperature heat treatment in
nitrogen environment. The cavities were treated at temperature 120 - 165
$^{\circ}$C for an extended period of time (24 - 48 hours) either in high
vacuum or in a low partial pressu... | 2402.17458v3 |
2010-05-10 | Advances in the Development of Micropattern Gaseous Detectors with Resistive Electrodes | We describe the most recent efforts made by various groups in implementing
resistive electrodes in micropattern gaseous detectors with the aim to combine
in the same design the best features of RPCs (for the example, their robustness
and spark protection property) with the high granularity and thus the good
position re... | 1005.1477v1 |
2020-03-03 | Filled Carbon Nanotubes as Anode Materials for Lithium-Ion Batteries | Downsizing well-established materials to the nanoscale is a key route to
novel functionalities, in particular if different functionalities are merged in
hybrid nanomaterials. Hybrid carbon-based hierarchical nanostructures are
particularly promising for electrochemical energy storage since they combine
benefits of nano... | 2003.01379v1 |
2014-10-16 | Electron beam induced current in the high injection regime | Electron beam induced current (EBIC) is a powerful technique which measures
the charge collection efficiency of photovoltaics with sub-micron spatial
resolution. The exciting electron beam results in a high generation rate
density of electron-hole pairs, which may drive the system into nonlinear
regimes. An analytic mo... | 1410.4435v1 |
2018-04-09 | Self-Modulation Doping Effect in the High-Mobility Layered Semiconductor Bi2O2Se | Recently an air-stable layered semiconductor Bi2O2Se was discovered to
exhibit an ultrahigh mobility in transistors fabricated with its thin layers.
In this work, we explored the mechanism that induces the high mobility and
distinguishes Bi2O2Se from other semiconductors. We found that the electron
donor states lie abo... | 1804.03186v1 |
2019-05-21 | Persistent antiferromagnetic order in heavily overdoped Ca$_{1-x}$La$_x$FeAs$_2$ | In the Ca$_{1-x}$La$_x$FeAs$_2$ (112) family of pnictide superconductors, we
have investigated a highly overdoped composition (x = 0.56), prepared by
high-pressure, high-temperature synthesis. Magnetic measurements show an
antiferromagnetic transition at TN = 120K, well above the one at lower doping
(0.15 < x < 0.27). ... | 1905.08640v1 |
2019-09-10 | Low temperature deformation of MoSi$_2$ and the effect of Ta, Nb and Al as alloying elements | Molybdenum disilicide (MoSi$_2$) is a very promising material for high
temperature structural applications due to its high melting point (2030
{\deg}C), low density, high thermal conductivity and good oxidation resistance.
However, MoSi$_2$ has limited ductility below 900 {\deg}C due to its
anisotropic plastic deformat... | 1909.04707v1 |
2017-07-06 | A General Perspective of Fe-Mn-Al-C Steels | During the last years, the scientific and industrial community has focused on
the astonishing properties of Fe-Mn-Al-C steels. These high advanced steels
allow high-density reductions about ~15% lighter than conventional steels, high
corrosion resistance, high strength (ultimate tensile strength (UTS) ~1 Gpa)
and at th... | 1707.01920v2 |
2022-01-11 | Fishtail effect and the vortex phase diagram of high-entropy alloy superconductor | High-entropy alloy (HEA) is an attracting topic raising in materials science
and condensed matter physics. Although several types of superconductors have
been discovered in HEAs, the critical currents (Jc) of HEA superconductors
remain uncharacterized up to now. Here, we systematically study the
current-carrying abilit... | 2201.03994v1 |
2023-01-12 | Non-centrosymmetric Sr$_{2}$IrO$_{4}$ obtained under High Pressure | Sr$_{2}$IrO$_{4}$ with strong spin-orbit coupling (SOC) and Hubbard repulsion
(U) hosts Mott insulating states. The similar crystal structure, magnetic and
electronic properties, particularly the $d$-wave gap observed in
Sr$_{2}$IrO$_{4}$ enhanced the analogies to cuprate high-$T_{c}$
superconductor, La$_{2}$CuO$_{4}$.... | 2301.05282v1 |
2010-12-31 | Processing and study of the composite CdS/Bi-Pb-Sr-Ca-Cu-O | We have fabricated and characterized samples of the superconducting-
semiconducting Bi-Pb-Sb-Sr-Ca-Cu-O/CdS composite. Nano-size particles of CdS
were deposited and introduced into the porosities of the Bi-Pb-Sb-Sr-Ca-Cu-O
material by the spray pyrolysis technique. The morphology and hollow size in
the porous supercond... | 1101.0277v1 |
2009-02-02 | Single crystals of LnFeAsO1-xFx (Ln=La, Pr, Nd, Sm, Gd) and Ba1-xRbxFe2As2: growth, structure and superconducting properties | A review of our investigations on single crystals of LnFeAsO1-xFx (Ln=La, Pr,
Nd, Sm, Gd) and Ba1-xRbxFe2As2 is presented. A high pressure technique has been
applied for the growth of LnFeAsO1-xFx crystals, while Ba1-xRbxFe2As2 crystals
were grown using quartz ampoule method. Single crystals were used for
electrical tr... | 0902.0224v2 |
2020-03-20 | Anisotropy of the transport properties of NdFeAs(O,F) thin films grown on vicinal substrates | NdFeAs(O,F) thin films having different fluorine contents were grown on 5
deg. or 10 deg. vicinal cut MgO and CaF2 single crystalline substrates by
molecular beam epitaxy. Structural characterisations by reflection high-energy
electron diffraction and x-ray diffraction confirmed the epitaxial growth of
NdFeAs(O,F). The... | 2003.09105v1 |
2017-03-23 | Development and characterization of Brassica juncea fruticulosa introgression lines exhibiting resistance to mustard aphid | Background: Mustard aphid is a major pest of Brassica oilseeds. No source for
aphid resistance is presently available in Brassica juncea . A wild crucifer,
Brassica fruticulosa is known to be resistant to mustard aphid. An artificially
synthesized amphiploid, AD-4 (B. fruticulosa x B. rapa var. brown sarson) was
develo... | 1703.07987v1 |
2020-09-21 | Chaos-induced resistivity in different magnetic configurations | It is widely believed that magnetic reconnection plays an important role in
various eruptive phenomena of space and astrophysical plasmas. The mechanism of
anomalous resistivity, however, has been an open and unsolved problem. The
chaos-induced resistivity proposed by Yoshida (1998) is one of possible
mechanisms for an... | 2009.09745v1 |
2019-12-10 | Temperature and gate effects on contact resistance and mobility in graphene transistors by TLM and Y-function methods | The metal-graphene contact resistance is one of the major limiting factors
toward the technological exploitation of graphene in electronic devices and
sensors. A high contact resistance can be detrimental to device performance and
spoil the intrinsic great properties of graphene. In this paper, we fabricate
graphene fi... | 1912.04623v1 |
2019-12-17 | Mitigate Parasitic Resistance in Resistive Crossbar-based Convolutional Neural Networks | Traditional computing hardware often encounters on-chip memory bottleneck on
large scale Convolution Neural Networks (CNN) applications. With its unique
in-memory computing feature, resistive crossbar-based computing attracts
researchers' attention as a promising solution to the memory bottleneck issue
in von Neumann a... | 1912.08716v1 |
2017-03-23 | Influence of material parameters on the performance of niobium based superconducting RF cavities | A detailed thermal analysis of a Niobium (Nb) based superconducting radio
frequency (SRF) cavity in a liquid helium bath is presented, taking into
account the temperature and magnetic field dependence of the surface resistance
and thermal conductivity in the superconducting state of the starting Nb
material (for SRF ca... | 1703.07985v3 |
2015-01-09 | Superconductivity in quasi-one-dimensional Cs2Cr3As3 with large interchain distance | Since the discovery of high-temperature superconductivity (SC) in
quasi-two-dimensional copper oxides, a few layered compounds, which bear
similarities to the cuprates, have also been found to host unconventional SC.
Our recent observation of SC at 6.1 K in correlated electron material K2Cr3As3
(J. K. Bao et al., arXiv... | 1501.02065v1 |
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