publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2017-10-03 | Holographic model for the anomalous scalings of the cuprates | We examine transport in a holographic model in which the dynamics of the
charged degrees of freedom is described by the nonlinear Dirac-Born-Infeld
(DBI) action. Axionic scalar fields are included to break translational
invariance and generate momentum dissipation in the system. Scaling exponents
are introduced by usin... | 1710.01326v2 |
2018-01-31 | The origin of Mooij correlations in disordered metals | Sufficiently disordered metals display systematic deviations from the
behavior predicted by semi-classical Boltzmann transport theory. Here the
scattering events from impurities or thermal excitations can no longer be
considered as additive independent processes, as asserted by Matthiessen's rule
following from this pi... | 1802.00065v4 |
2018-05-30 | Hikami-Larkin-Nagaoka (HLN) treatment of the Magneto Conductivity of Bi2Te3 Topological Insulator | We report the magneto-conductivity analysis at different temperatures under
magnetic field of up to 5Tesla of a well characterized Bi2Te3 crystal. Details
of crystal growth and various physical properties including high linear magneto
resistance are already reported by some of us. To elaborate upon the transport
proper... | 1805.11822v1 |
2018-06-18 | Band structure and Fermi surfaces of the reentrant ferromagnetic superconductor Eu(Fe0.86Ir0.14)2As2 | The electronic structure of the reentrant superconductor
Eu(Fe$_{0.86}$Ir$_{0.14}$)$_{2}$As$_{2}$ (T$_c$ = 22 K) with coexisting
ferromagnetic order (T$_M$ = 18 K) is investigated using angle-resolved
photoemission spectroscopy (ARPES) and scanning tunneling spectroscopy (STS).
We study the in-plane and out-of-plane ba... | 1806.06563v1 |
2018-09-26 | Nanoscale Intergranular Corrosion and Relation With Grain Boundary Character as Studied In Situ on Copper | The initiation of intergranular corrosion at various types of grain
boundaries (GBs) was studied at the nanometer scale on microcrystalline copper
in 1 mM HCl aqueous solution. In situ Electrochemical Scanning Tunneling
Microscopy (ECSTM) and Electron Back-Scatter Diffraction analysis of the same
local microstructural ... | 1809.09872v1 |
2018-11-14 | Multifrequency Nanoscale Impedance Microscopy (m-NIM): A novel approach towards detection of selective and subtle modifications on the surface of polycrystalline boron-doped diamond electrodes | In this paper, we describe the modification of Nanoscale Impedance Microscopy
(NIM), namely, a combination of contact-mode atomic force microscopy with local
impedance measurements. The postulated approach is based on the application of
multifrequency voltage perturbation instead of standard frequency-by-frequency
anal... | 1811.05709v1 |
2019-05-12 | Nodeless superconductivity and preserved time-reversal symmetry in the noncentrosymmetric Mo3P superconductor | We report a comprehensive study of the noncentrosymmetric superconductor
Mo$_3$P. Its bulk superconductivity, with $T_c = 5.5$ K, was characterized via
electrical resistivity, magnetization, and heat-capacity measurements, while
its microscopic electronic properties were investigated by means of muon-spin
rotation/rela... | 1905.04726v1 |
2019-05-28 | Electronic structure and $H$-$T$ phase diagram of Eu(Fe$_{1-x}$Rh$_x$)$_2$As$_2$ | The iron-based superconductors represent a promising platform for
high-temperature superconductivity, but the interactions underpinning their
pairing present a puzzle. The EuFe$_2$As$_2$ family is unique among these
materials for having magnetic order which onsets within the superconducting
state, just below the superc... | 1905.11554v2 |
2019-09-10 | New and fast route to black TiO2 based on hollow cathode H2 plasma | In this work, we demonstrate a new method to produce black TiO2 from pristine
anatase TiO2 films. It consists on the immersion of TiO2 films in a hollow
cathode H2 RF plasma for a few minutes, resulting in an efficient blackening of
TiO2. In this study, the pristine anatase TiO2 films were grown by magnetron
sputtering... | 1909.04623v1 |
2019-09-27 | Superconducting proximity effect in InAsSb surface quantum wells with in-situ Al contact | We demonstrate robust superconducting proximity effect in
InAs$_{0.5}$Sb$_{0.5}$ quantum wells grown with epitaxial Al contact, which has
important implications for mesoscopic and topological superconductivity. Unlike
more commonly studied InAs and InSb semiconductors, bulk InAs$_{0.5}$Sb$_{0.5}$
supports stronger spin... | 1909.12571v2 |
2020-03-15 | Vacancy diffusion in multi-principal element alloys: the role of chemical disorder in the ordered lattice | Many of the purported virtues of Multi-Principal Element Alloys (MPEAs), such
as corrosion, high-temperature oxidation and irradiation resistance, are highly
sensitive to vacancy diffusivity. Similarly, solute interdiffusion is governed
by vacancy diffusion -- it is often unclear whether MPEAs are truly stable, or
effe... | 2003.06900v2 |
2017-03-28 | Indium substitution effect on the topological crystalline insulator family (Pb$_{1-x}$Sn$_{x}$)$_{1-y}$In$_{y}$Te: Topological and superconducting properties | Topological crystalline insulators (TCIs) have been of great interest in the
area of condensed matter physics. We investigated the effect of indium
substitution on the crystal structure and transport properties in the TCI
system (Pb$_{1-x}$Sn$_{x}$)$_{1-y}$In$_{y}$Te. For samples with a tin
concentration $x\le50\%$, th... | 1703.09836v1 |
2019-02-22 | Development of transmon qubits solely from optical lithography on 300mm wafers | Qubit information processors are increasing in footprint but currently rely
on e-beam lithography for patterning the required Josephson junctions (JJs).
Advanced optical lithography is an alternative patterning method, and we report
on the development of transmon qubits patterned solely with optical
lithography. The li... | 1902.08501v1 |
2019-06-30 | Evaluating Superconductors through Current Induced Depairing | The phenomenon of superconductivity occurs in the phase space of three
principal parameters: temperature T, magnetic field B, and current density Jd .
The critical temperature Tc is one of the first parameters that is measured and
in a certain way defines the superconductor. From the practical applications
point of vie... | 1907.00427v1 |
2019-07-29 | Imaging Nematic Transitions in Iron-Pnictide Superconductors with a Quantum Gas | The SQCRAMscope is a recently realized Scanning Quantum CRyogenic Atom
Microscope that utilizes an atomic Bose-Einstein condensate to measure magnetic
fields emanating from solid-state samples. The quantum sensor does so with
unprecedented DC sensitivity at micron resolution from room-to-cryogenic
temperatures. An addi... | 1907.12601v2 |
2020-02-05 | Impact of Residual Carbon Impurities and Gallium Vacancies on Trapping Effects in AlGaN/GaN MIS-HEMTs | Effects of residual C impurities and Ga vacancies on the dynamic
instabilities of AlN/AlGaN/GaN metal insulator semiconductor high electron
mobility transistors are investigated. Secondary ion mass spectroscopy,
positron annihilation spectroscopy, steady state and time-resolved
photoluminescence (PL) measurements have ... | 2002.01952v1 |
2020-04-17 | Magnetic correlations in subsystems of the misfit [Ca$_2$CoO$_3$]$_{0.62}$[CoO$_2$] cobaltate | [Ca$_2$CoO$_3$]$_{0.62}$[CoO$_2$], a two dimensional misfit metallic
compound, is famous for its rich phases accessed by temperature, $i.e.$ high
temperature spin-state transition, metal-insulator transition (MIT) at
intermediate temperature ($\sim$ 100 K) and low temperature spin density wave
(SDW). It enters into SDW... | 2004.08319v2 |
2020-08-31 | Electronic properties in itinerant ferromagnet SrRu$_{1-x}$Ti$_x$O$_3$ | Here, we study the electrical transport and specific heat in 4$d$ based
ferromagnetic material SrRuO$_3$ and its Ti substituted SrRu$_{1-x}$Ti$_x$O$_3$
series ($x$ $\le$ 0.7). The SrRuO$_3$ is a metal and shows itinerant
ferromagnetism with transition temperature $T_c$ $\sim$ 160 K. The nonmagnetic
Ti$^{4+}$ (3$d^0$) s... | 2009.00076v1 |
2007-10-21 | Change of strength of vortex pinning in YBCO due to BaZrO_3 inclusions | We probe the short-range pinning properties with the application of microwave
currents at very high driving frequencies (47.7 GHz) on
YBa$_2$Cu$_3$O$_{7-\delta}$ films with and without sub-micrometer BaZrO$_3$
inclusions. We explore the temperature and field ranges 60 K$<T<T_c$ and
0$<\mu_0H<$0.8 T, with the field appl... | 0710.3943v1 |
2017-05-01 | Selective mass enhancement close to the quantum critical point in BaFe$_2$(As$_{1-x}$P$_x$)$_2$ | A quantum critical point (QCP) is currently being conjectured for the
BaFe$_2$(As$_{1-x}$P$_x$)$_2$ system at the critical value $x_{\rm c} \approx$
0.3. In the proximity of a QCP, all thermodynamic and transport properties are
expected to scale with a single characteristic energy, given by the quantum
fluctuations. Su... | 1705.00695v1 |
2017-07-31 | Superconductivity at 5 K in quasi-one-dimensional Cr-based KCr3As3 single crystals | Recently a new family of Cr-based A2Cr3As3 (A = K, Rb, Cs) superconductors
were reported, which own a rare quasi-one-dimensional (Q1D) crystal structure
with infinite (Cr3As3)2- chains and exhibit intriguing superconducting
characteristics possibly derived from spin-triplet electron pairing. The
crystal structure of A2... | 1707.09711v1 |
2019-12-23 | Antimonene/Bismuthene Vertical Van-der Waals Heterostructure: A Computational Study | In this paper, the structural, electronic, mechanical and optical properties
of antimonene-bismuthene Van-der Waals heterostructure (Sb-Bi HS) were
calculated based on the first principle density functional theory. We explored
different stacks of Sb-Bi HS to find the most and the least stable staking for
this heterostr... | 1912.10978v2 |
2021-01-01 | An Electronic Textile Embedded Smart Cementitious Composite | Structural health monitoring (SHM) using self-sensing cement-based materials
has been reported before, where nano-fillers have been incorporated in
cementitious matrices as functional sensing elements. A percolation threshold
is always required in order for conductive nano-fillers modified concrete to be
useful for SHM... | 2101.00140v1 |
2021-01-13 | A reusable pipeline for large-scale fiber segmentation on unidirectional fiber beds using fully convolutional neural networks | Fiber-reinforced ceramic-matrix composites are advanced materials resistant
to high temperatures, with application to aerospace engineering. Their analysis
depends on the detection of embedded fibers, with semi-supervised techniques
usually employed to separate fibers within the fiber beds. Here we present an
open comp... | 2101.04823v2 |
2021-01-22 | Structural and transport properties of 4f electron doped Y1-x(Dy)xPdBi topological semi-metallic thin films | We report the effect of 4f electron doping on structural, electrical and
magneto-transport properties of Dy doped half Heusler Y1-x(Dy)xPdBi (x =0, 0.2,
0.5, 1) thin films grown by pulsed laser deposition. The Dy doping leads to
lattice contraction which increases from 0% for the parent x =0 sample to
approx 1.3% for x... | 2101.09185v2 |
2012-06-07 | Anisotropic magnetothermoelectric power of ferromagnetic thin films | We compare the behavior of the magnetothermoelectric power (MTEP)in metallic
ferromagnetic thin films of Ni80Fe20 (Permalloy; Py), Co and CrO2 at
temperatures in the range of 100 K to 400 K. In 25 nm thick Py films and 50 nm
thick Co films both the anisotropic magnetoresistance (AMR) and MTEP show a
relative change in ... | 1206.1527v2 |
2018-07-10 | Influence of particle size and agglomeration in solid oxide fuel cell cathodes using manganite nanoparticles | In this work we studied the influence of particle size and agglomeration in
the performance of solid oxide fuel cell cathodes made with nanoparticles of
La0.8Sr0.2MnO3. We followed two synthesis routes based on the Liquid Mix
method. In both procedures we introduced additional reagents in order to
separated the mangani... | 1807.03816v1 |
2019-10-25 | Interdiffusion between gadolinia doped ceria and yttria stabilized zirconia in solid oxide fuel cells: experimental investigation and kinetic modeling | Interdiffusion between the yttria stabilized zirconia (YSZ) electrolyte and
the gadolinia doped ceria (CGO) barrier layer is one of the major causes to the
degradation of solid oxide fuel cells (SOFCs). We present in this work
experimental investigations on CGO-YSZ bi-layer electrolyte sintered at 1250 C
or 1315 C and ... | 1910.11947v2 |
2019-11-29 | Ultrathin 2 nm gold as ideal impedance-matched absorber for infrared light | Thermal detectors are a cornerstone of infrared (IR) and terahertz (THz)
technology due to their broad spectral range. These detectors call for suitable
broad spectral absorbers with minimalthermal mass. Often this is realized by
plasmonic absorbers, which ensure a high absorptivity butonly for a narrow
spectral band. ... | 1911.13126v1 |
2020-08-01 | Critical cooling rates for amorphous-to-ordered complexion transitions in Cu-rich nanocrystalline alloys | Amorphous complexions in nanocrystalline metals have the potential to improve
mechanical properties and radiation tolerance, as well as resistance to grain
growth. In this study, the stability of amorphous complexions in binary and
ternary Cu-based alloys is investigated by observing the effect of cooling rate
from hig... | 2008.00292v2 |
2020-10-26 | Astability versus Bistability in van der Waals Tunnel Diode for Voltage Controlled Oscillator and Memory Applications | Van der Waals (vdW) tunnel junctions are attractive due to their atomically
sharp interface, gate tunablity, and robustness against lattice mismatch
between the successive layers. However, the negative differential resistance
(NDR) demonstrated in this class of tunnel diodes often exhibits noisy
behaviour with low peak... | 2010.13828v1 |
2020-12-14 | Magnetic, superconducting, and topological surface states on Fe$_{1+y}$Te$_{1-x}$Se$_{x}$ | The idea of employing non-Abelian statistics for error-free quantum computing
ignited interest in recent reports of topological surface superconductivity and
Majorana zero modes (MZMs) in FeTe$_{0.55}$Se$_{0.45}$. An associated puzzle is
that the topological features and superconducting properties are not observed
unif... | 2012.07893v1 |
2021-02-16 | Nodal superconductivity and superconducting domes in the topological Kagome metal CsV3Sb5 | Recently superconductivity was discovered in the Kagome metal AV3Sb5 (A = K,
Rb, and Cs), which has an ideal Kagome lattice of vanadium. These V-based
superconductors also host charge density wave (CDW) and topological nontrivial
band structure. Here we report the ultralow-temperature thermal conductivity
and high pres... | 2102.08356v2 |
2021-03-26 | Liquid Reconfigurable Stealth Window Constructed by Metamaterial Absorber | In this paper, a liquid reconfigurable stealth window constructed by
metamaterial absorber at microwave band is proposed. The stealth window
consists of an anti-reflection glass with indium tin oxide (ITO) as resistive
film and a liquid container made of polymethyl methacrylate (PMMA). Since the
materials constituting ... | 2103.14415v1 |
2021-05-05 | Observation of current-induced switching in non-collinear antiferromagnetic IrMn$_3$ by differential voltage measurements | There is accelerating interest in developing memory devices using
antiferromagnetic (AFM) materials, motivated by the possibility for
electrically controlling AFM order via spin-orbit torques, and its read-out via
magnetoresistive effects. Recent studies have shown, however, that high current
densities create non-magne... | 2105.02277v1 |
2021-06-15 | Unusual competition of superconductivity and charge-density-wave state in a compressed topological kagome metal | Understanding the competition between superconductivity and other ordered
states (such as antiferromagnetic or charge-density-wave (CDW) state) is a
central issue in condensed matter physics. The recently discovered layered
kagome metal AV3Sb5 (A = K, Rb, and Cs) provides us a new playground to study
the interplay of s... | 2106.07896v1 |
2021-07-31 | Optical phonon modes assisted thermal conductivity in p-type ZrIrSb Half-Heusler alloy: A combined experimental and computational study | Half Heusler (HH) alloys with 18 valence electron count have attracted
significant interest in the area of research related to thermoelectrics.
Understanding the novel transport properties exhibited by these systems with
semiconducting ground state is an important focus area in this field. Large
thermal conductivity sh... | 2108.00210v1 |
2021-08-18 | Thermal Transport in Graphene Composites: The Effect of Lateral Dimensions of Graphene Fillers | We report on the investigation of thermal transport in non-cured silicone
composites with graphene fillers of different lateral dimensions. Graphene
fillers are comprised of few-layer graphene flakes with lateral sizes in the
range from 400 nm to 1200 nm and number of atomic planes from one to ~100. The
distribution of... | 2108.08409v1 |
2021-09-15 | Superconductivity in In-doped AgSnBiTe3 with possible band inversion | We investigated the chemical pressure effects on structural and electronic
properties of SnTe-based material using partial substitution of Sn by
Ag0.5Bi0.5, which results in lattice shrinkage. For Sn1-2x(AgBi)xTe,
single-phase polycrystalline samples were obtained with a wide range of x. On
the basis of band calculatio... | 2109.07167v2 |
2021-09-17 | Visualizing band selective enhancement of quasiparticle lifetime in a metallic ferromagnet | Electrons navigate more easily in a background of ordered magnetic moments
than around randomly oriented ones. This fundamental quantum mechanical
principle is due to their Bloch wave nature and also underlies ballistic
electronic motion in a perfect crystal. As a result, a paramagnetic metal that
develops ferromagneti... | 2109.08538v1 |
2021-09-23 | The Transfer Matrix Method and The Theory of Finite Periodic Systems. From Heterostructures to Superlattices | Long-period systems and superlattices, with additional periodicity, have new
effects on the energy spectrum and wave functions. Most approaches adjust
theories for infinite systems, which is acceptable for large but not small
number of unit cells $n$. In the past 30 years, a theory based entirely on
transfer matrices w... | 2109.11640v4 |
2021-12-03 | Multiscale simulation of injection-induced fracture slip and wing-crack propagation in poroelastic media | In fractured poroelastic media under high differential stress, the shearing
of fractures and faults and the corresponding propagation of wing cracks can be
induced by fluid injection. Focusing on low-pressure stimulation with fluid
pressures below the minimum principal stress but above the threshold required
to overcom... | 2112.01811v2 |
2022-04-05 | Tunable Energy Level Alignment in the Multilayers of Carboxylic Acids on Silver | The precise energy level alignment between a metal electrode and an organic
semiconductor is required to reduce contact resistance and enhance the
efficiency of organic-semiconductor-based devices. One of the ways is to
include interlayers that mediate the energy level alignment, i.e., charge
injection layers (CILs). H... | 2204.02141v2 |
2022-05-11 | Hierarchy of Symmetry Breaking Correlated Phases in Twisted Bilayer Graphene | Twisted bilayer graphene (TBG) near the magic twist angle of $\sim1.1^{o}$
exhibits a rich phase diagram. However, the interplay between different phases
and their dependence on twist angle is still elusive. Here, we explore the
stability of various TBG phases and demonstrate that superconductivity near
filling of two ... | 2205.05225v1 |
2022-06-16 | Origin of Hole-Trapping States in Solution-Processed Copper(I) Thiocyanate (CuSCN) and Defect-Healing by I$_2$ Doping | Solution-processed copper(I) thiocyanate (CuSCN) typically exhibits low
crystallinity with short-range order; the defects result in a high density of
trap states that limit the device performance. Despite the extensive electronic
applications of CuSCN, its defect properties have not been studied in detail.
Through X-ra... | 2206.08040v1 |
2022-07-09 | Diffusion-aware voltage source: An equivalent circuit network to resolve lithium concentration gradients in active particles | Traditional equivalent circuit models (ECMs) have difficulties in estimating
battery internal states due to the lack of relevant physics, such as the
lithium diffusion in active particles. Here we configure a circuit network to
describe the lithium diffusion and define it as a new high-level circuit
element called diff... | 2207.04249v2 |
2022-07-27 | Effect on the Electronic and Magnetic Properties of Antiferromagnetic Topological Insulator MnBi$_2$Te$_4$ with Sn Doping | We thoroughly investigate the effect of nonmagnetic Sn doping on the
electronic and magnetic properties of antiferromagnetic topological insulator
MnBi$_2$Te$_4$. We observe that Sn doping reduces the out-of-plane
antiferromagnetic (AFM) interactions in MnBi$_2$Te$_4$ up to 68\% of Sn
concentration and above the system... | 2207.13595v1 |
2022-08-01 | Morphological Evolution of NMC Secondary Particles Through in situ electrochemical FIB/SEM experiment | Microstructural evolution of NMC secondary particles during the battery
operation drives the electrochemical performance and impacts the Li-ion battery
lifetime. In this work, we develop an in situ methodology using the FIB/SEM
instrument to cycle single secondary particles of NMC active materials while
following the m... | 2208.00878v1 |
2022-10-06 | Even-Denominator Fractional Quantum Hall State at Filling Factor ν = 3/4 | Fractional quantum Hall states (FQHSs) exemplify exotic phases of
low-disorder two-dimensional (2D) electron systems when electron-electron
interaction dominates over the thermal and kinetic energies. Particularly
intriguing among the FQHSs are those observed at even-denominator Landau level
filling factors, as their q... | 2210.03226v1 |
2023-02-07 | Towards Flexible Biolaboratory Automation: Container Taxonomy-Based, 3D-Printed Gripper Fingers | Automation in the life science research laboratory is a paradigm that has
gained increasing relevance in recent years. Current robotic solutions often
have a limited scope, which reduces their acceptance and prevents the
realization of complex workflows. The transport and manipulation of laboratory
supplies with a robo... | 2302.03644v2 |
2023-04-21 | Revealing the higher-order spin nature of the Hall effect in non-collinear antiferromagnet $\mathrm{Mn_3Ni_{0.35}Cu_{0.65}N}$ | Ferromagnets generate an anomalous Hall effect even without the presence of a
magnetic field, something that conventional antiferromagnets cannot replicate
but noncollinear antiferromagnets can. The anomalous Hall effect governed by
the resistivity tensor plays a crucial role in determining the presence of time
reversa... | 2304.10747v1 |
2023-04-25 | Effects of Oxidation on the Tribological Properties of Diamond Sliding Against Silica. Insights from Ab initio Molecular Dynamics | Tribological phenomena such as adhesion, friction, and wear can undermine the
functionality of devices and applications based on the diamond-silica
interface. Controlling these phenomena is highly desirable, but difficult since
extrinsic factors, such as the surface termination by adsorbed species, can
deeply affect th... | 2304.12511v1 |
2023-05-03 | Correlated Insulator and Chern Insulators in Pentalayer Rhombohedral Stacked Graphene | Rhombohedral stacked multilayer graphene is an ideal platform to search for
correlated electron phenomena, due to its pair of flat bands touching at zero
energy and further tunability by an electric field. Furthermore, its
valley-dependent Berry phase at zero energy points to possible topological
states when the pseudo... | 2305.03151v2 |
2023-05-10 | Strange metallicity in an antiferromagnetic quantum critical model: A sign-problem-free quantum Monte-Carlo study | We compute transport and thermodynamic properties of a two-band spin-fermion
model describing itinerant fermions in two dimensions interacting via $Z_2$
antiferromagnetic quantum critical fluctuations by means of a sign-problem-free
quantum Monte-Carlo approach. We show that the phase diagram of this model
indeed conta... | 2305.06421v2 |
2023-06-09 | Giant Hall Switching by Surface-State-Mediated Spin-Orbit Torque in a Hard Ferromagnetic Topological Insulator | Topological insulators (TI) and magnetic topological insulators (MTI) can
apply highly efficient spin-orbit torque (SOT) and manipulate the magnetization
with their unique topological surface states with ultra-high efficiency. Here,
we demonstrate efficient SOT switching of a hard MTI, V-doped (Bi,Sb)2Te3
(VBST) with a... | 2306.05603v3 |
2023-06-26 | CIMulator: A Comprehensive Simulation Platform for Computing-In-Memory Circuit Macros with Low Bit-Width and Real Memory Materials | This paper presents a simulation platform, namely CIMulator, for quantifying
the efficacy of various synaptic devices in neuromorphic accelerators for
different neural network architectures. Nonvolatile memory devices, such as
resistive random-access memory, ferroelectric field-effect transistor, and
volatile static ra... | 2306.14649v1 |
2023-07-03 | Designing impact-resistant bio-inspired low-porosity structures using neural networks | Biological structural designs in nature, like hoof walls, horns, and antlers,
can be used as inspiration for generating structures with excellent mechanical
properties. A common theme in these designs is the small percent porosity in
the structure ranging from 1 - 5\%. In this work, the sheep horn was used as an
inspir... | 2307.00986v2 |
2023-07-07 | Using electrical impedance spectroscopy to identify equivalent circuit models of lubricated contacts with complex geometry: in-situ application to mini traction machine | Electrical contact resistance or capacitance as measured between a lubricated
contact has been used in tribometers, partially reflecting the lubrication
condition. In contrast, the electrical impedance provides rich information of
magnitude and phase, which can be interpreted using equivalent circuit models,
enabling m... | 2307.03668v1 |
2023-08-22 | Magnetic Skyrmion: From Fundamental Physics to Pioneering Applications | Skyrmionic devices exhibit energy-efficient and high-integration data storage
and computing capabilities due to their small size, topological protection, and
low drive current requirements. So, to realize these devices, an extensive
study, from fundamental physics to practical applications, becomes essential.
In this a... | 2308.11811v2 |
2023-09-11 | Ultrafast optical properties of stoichiometric and non-stoichiometric refractory metal nitrides TiNx, ZrNx, and HfNx | Refractory metal nitrides have recently gained attention in various fields of
modern photonics due to their cheap and robust production technology,
silicon-technology compatibility, high thermal and mechanical resistance, and
competitive optical characteristics in comparison to typical plasmonic
materials like gold and... | 2309.05593v1 |
2023-10-01 | Effect of Spin Fluctuations on Magnetoresistance and Anomalous Hall Effect in the Chiral Magnet Co8Zn8Mn4 | The beta Mn type Co-Zn-Mn alloys have seized significant attention due to
their ability to host skyrmions at room temperature. Here we analyse the
unconventional magneto-transport properties of Co8Zn8Mn4 single crystals with a
Curie temperature of 275 K. A negative magnetoresistance is obtained over a
wide temperature ... | 2310.00739v1 |
2023-11-01 | Annealing effects on the magnetic and magnetotransport properties of iron oxide nanoparticles self-assemblies | In magnetic tunnel junctions based on iron oxide nanoparticles the disorder
and the oxidation state of the surface spin as well as the nanoparticles
functionalization play a crucial role in the magnetotransport properties. In
this work, we report a systematic study of the effects of vacuum annealing on
the structural, ... | 2311.00700v1 |
2023-11-08 | Incorporating temporal dynamics of mutations to enhance the prediction capability of antiretroviral therapy's outcome for HIV-1 | Motivation: In predicting HIV therapy outcomes, a critical clinical question
is whether using historical information can enhance predictive capabilities
compared with current or latest available data analysis. This study analyses
whether historical knowledge, which includes viral mutations detected in all
genotypic tes... | 2311.04846v1 |
2024-03-12 | Fragmentation of Dense Rotation-Dominated Structures Fed by Collapsing Gravomagneto-Sheetlets and Origin of Misaligned 100 au-Scale Binaries and Multiple Systems | The majority of stars are in binary/multiple systems. How such systems form
in turbulent, magnetized cores of molecular clouds in the presence of non-ideal
MHD effects remains relatively under-explored. Through ATHENA++-based non-ideal
MHD AMR simulations with ambipolar diffusion, we show that the collapsing
protostell... | 2403.07777v1 |
2024-03-17 | Thickness effect on superconducting properties of niobium films for radio-frequency cavity applications | Niobium-coated copper radio-frequency cavities are cost-effective
alternatives to bulk niobium cavities, given the lower material costs of copper
substrates and their operation in liquid helium at around 4.2 K. However, these
cavities historically exhibited a gradual degradation in performance with the
accelerating fie... | 2403.11245v1 |
2024-04-15 | Stiffness-Tuneable Limb Segment with Flexible Spine for Malleable Robots | Robotic arms built from stiffness-adjustable, continuously bending segments
serially connected with revolute joints have the ability to change their
mechanical architecture and workspace, thus allowing high flexibility and
adaptation to different tasks with less than six degrees of freedom, a concept
that we call malle... | 2404.09653v1 |
2024-04-23 | Ultrafast nanocomposite scintillators based on Cd-enhanced CsPbCl3 nanocrystals in polymer matrix | Lead halide perovskite nanocrystals (LHP-NCs) embedded in polymer matrices
are gaining traction for next-generation radiation detectors. While progress
has been made on green-emitting CsPbBr3 NCs, scant attention has been given to
the scintillation properties of CsPbCl3 NCs, which emit size-tunable UV-blue
light matchi... | 2404.14813v1 |
1994-10-19 | $Pb_{0.4}Bi_{1.6}Sr_{2}Ca_{1}Cu_{2}O_{8+x}$ and Oxygen Stoichiometry: Structure, Resistivity, Fermi Surface Topology and Normal State Properties | $Pb_{0.4}Bi_{1.6}Sr_2CaCu_2O_{8+x}$ ($Bi(Pb)-$2212) single crystal samples
were studied using transmission electron microscopy (TEM), $ab-$plane
($\rho_{ab}$) and $c-$axis ($\rho_c$) resistivity, and high resolution
angle-resolved ultraviolet photoemission spectroscopy (ARUPS). TEM reveals that
the modulation in the $b... | 9410069v1 |
2003-05-30 | General expressions for the electrical resistivity and thermal conductivity of twinned crystals | General expressions are derived for the electrical resisitivity and thermal
conductivity of a twinned single crystal. Particular attention is paid to the
effect of the structure of the twin domains on these transport coefficients.
Edge effects are also considered. The expression for the thermal conductivity
is used to ... | 0305698v5 |
2003-06-13 | Behavior of the contacts of Quantum Hall Effect devices at high currents : an electronic thermometer | This paper reports on an experimental study of the contact resistance of Hall
bars in the Quantum Hall Effect regime while increasing the current through the
sample. These measurements involve also the longitudinal resistance and they
have been always performed before the breakdown of the Quantum Hall Effect. Our
inves... | 0306368v3 |
2004-07-19 | Resistivity studies under hydrostatic pressure on a low-resistance variant of the quasi-2D organic superconductor kappa-(BEDT-TTF)2Cu[N(CN)2]Br: quest for intrinsic scattering contributions | Resistivity measurements have been performed on a low (LR)- and high
(HR)-resistance variant of the kappa-(BEDT-TTF)_2Cu[N(CN)_2]Br superconductor.
While the HR sample was synthesized following the standard procedure, the LR
crystal is a result of a somewhat modified synthesis route. According to their
residual resisti... | 0407478v1 |
2004-10-28 | Transport properties in manganite thin films | The resistivity of thin $La_{0.7}A_{0.3}MnO_{3}$ films ($A=Ca, Sr$) is
investigated in a wide temperature range. The comparison of the resistivities
is made among films grown by different techniques and on several substrates
allowing to analyze samples with different amounts of disorder. In the
low-temperature nearly h... | 0410743v1 |
2008-12-22 | Joule Heating and Anomalous Resistivity in the Solar Corona | Recent radioastronomical observations of Faraday rotation in the solar corona
can be interpreted as evidence for coronal currents, with values as large as
$2.5 \times 10^9$ Amperes (Spangler 2007). These estimates of currents are used
to develop a model for Joule heating in the corona. It is assumed that the
currents a... | 0812.4220v1 |
2009-06-24 | Turbulent resistivity driven by the magnetorotational instability | We measure the turbulent resistivity in the nonlinear regime of the MRI, and
evaluate the turbulent magnetic Prandtl number. We perform a set of numerical
simulations with the Eulerian finite volume codes Athena and Ramses in the
framework of the shearing box model. We consider models including explicit
dissipation coe... | 0906.4422v2 |
2009-07-08 | Turbulent resistivity evaluation in MRI generated turbulence | (abriged) MRI turbulence is a leading mechanism for the generation of an
efficient turbulent transport of angular momentum in an accretion disk through
a turbulent viscosity effect. It is believed that the same process could also
transport large-scale magnetic fields in disks, reshaping the magnetic
structures in these... | 0907.1393v1 |
2009-07-15 | Transport properties and the anisotropy of Ba_{1-x}K_xFe_2As_2 single crystals in normal and superconducting states | The transport and superconducting properties of Ba_{1-x}K_xFe_2As_2 single
crystals with T_c = 31 K were studied. Both in-plane and out-of plane
resistivity was measured by modified Montgomery method. The in-plane
resistivity for all studied samples, obtained in the course of the same
synthesis, is almost the same, unl... | 0907.2598v1 |
2010-12-31 | In-plane anisotropy of electrical resistivity in the strain-detwinned SrFe2As2 | Intrinsic, in-plane anisotropy of electrical resistivity was studied on
mechanically detwinned single crystals of SrFe$_2$As$_2$ above and below the
temperature of the coupled structural/magnetic transition, $T_{\textrm{TO}}$.
Resistivity is smaller for electrical current flow along the orthorhombic $a_o$
direction (di... | 1101.0274v1 |
2012-12-05 | Electric field driven destabilization of the insulating state in nominally pure LaMnO3 | We report an electric field driven destabilization of the insulating state in
nominally pure LaMnO3 single crystal with a moderate field which leads to a
resistive state transition below 300 K. The transition is between the
insulating state in LaMnO3 and a high resistance bad metallic state that has a
temperature indep... | 1212.1001v2 |
2013-09-21 | A switch to reduce resistivity in smoothed particle magnetohydrodynamics | Artificial resistivity is included in Smoothed Particle Magnetohydrodynamics
simulations to capture shocks and discontinuities in the magnetic field. Here
we present a new method for adapting the strength of the applied resistivity so
that shocks are captured but the dissipation of the magnetic field away from
shocks i... | 1309.5437v1 |
2013-10-04 | Piggyback resistive Micromegas | Piggyback Micromegas consists in a novel readout architecture where the anode
element is made of a resistive layer on a ceramic substrate. The resistive
layer is deposited on the thin ceramic substrate by an industrial process which
provides large dynamic range of resistivity (10$^6$ to
10$^{10}$\,M$\Omega$/square). Th... | 1310.1242v1 |
2013-10-15 | Recent advances with THGEM detectors | The Thick Gaseous Electron Multiplier (THGEM) is a simple and robust
electrode suitable for large area detectors. In this work the results of
extensive comparative studies of the physical properties of different
THGEM-based structures are reviewed. The focus is on newly suggested THGEM-like
WELL configurations as well ... | 1310.3912v1 |
2014-10-10 | On the bad metallicity and phase diagrams of Fe$_{1+δ}X$ ($X$ =Te, Se, S, solid solutions): an electrical resistivity study | Based on a systematic analysis of the thermal evolution of the resistivities
of Fe-based chalcogenides Fe$_{1+\delta }$Te$_{1-x}X_{x}$ ($X$= Se, S), it is
inferred that their often observed nonmetallic resistivities are related to a
presence of two resistive channels: one is a high-temperature
thermally-activated proce... | 1410.2676v1 |
2016-11-17 | On the measurements of numerical viscosity and resistivity in Eulerian MHD codes | We propose a simple ansatz for estimating the value of the numerical
resistivity and the numerical viscosity of any Eulerian MHD code. We test this
ansatz with the help of simulations of the propagation of (magneto)sonic waves,
Alfven waves, and the tearing mode instability using the MHD code Aenus. By
comparing the si... | 1611.05858v2 |
2017-02-06 | Rings and gaps produced by variable magnetic disk winds and avalanche accretion streams: I. Axisymmetric resistive MHD simulations | Rings and gaps are being observed in an increasing number of disks around
young stellar objects. We illustrate the formation of such radial structures
through idealized, 2D (axisymmetric) resistive MHD simulations of coupled
disk-wind systems threaded by a relatively weak poloidal magnetic field
(plasma-$\beta \sim 10^... | 1702.01565v2 |
2017-09-18 | Log-rise of the Resistivity in the Holographic Kondo Model | We study a single-channel Kondo effect using a recently developed holographic
large-$N$ technique. In order to obtain resistivity of this model, we introduce
a probe field. The gravity dual of a localized fermionic impurity in
1+1-dimensional host matter is constructed by embedding a localized
2-dimensional Anti-de Sit... | 1709.06086v2 |
2019-07-11 | First results of Resistive-Plate Well (RPWELL) detector operation at 163 K | We present for the first time, discharge-free operation at cryogenic
conditions of a Resistive-Plate WELL (RPWELL) detector. It is a single-sided
Thick Gaseous Electron Multiplier (THGEM) coupled to a readout anode via a
plate of high bulk resistivity. The results of single- and double-stage RPWELL
detectors operated i... | 1907.05057v1 |
2020-04-10 | Linear in temperature resistivity in the limit of zero temperature from the time reparameterization soft mode | The most puzzling aspect of the 'strange metal' behavior of correlated
electron compounds is that the linear in temperature resistivity often extends
down to low temperatures, lower than natural microscopic energy scales. We
consider recently proposed deconfined critical points (or phases) in models of
electrons in lar... | 2004.05182v4 |
2017-07-31 | Universal linear-temperature resistivity: possible quantum diffusion transport in strongly correlated superconductors | The strongly correlated electron fluids in high temperature cuprate
superconductors demonstrate an anomalous linear temperature ($T$) dependent
resistivity behavior, which persists to a wide temperature range without
exhibiting saturation. As cooling down, those electron fluids lose the
resistivity and condense into th... | 1707.09782v1 |
2019-03-28 | Faster Spectral Sparsification in Dynamic Streams | Graph sketching has emerged as a powerful technique for processing massive
graphs that change over time (i.e., are presented as a dynamic stream of edge
updates) over the past few years, starting with the work of Ahn, Guha and
McGregor (SODA'12) on graph connectivity via sketching. In this paper we
consider the problem... | 1903.12165v1 |
2012-06-13 | Current Challenges and Perspectives in Resistive Gaseous Detectors: a manifesto from RPC 2012 | Resistive gaseous detectors can be broadly defined as those operated in
conditions where virtually no field lines exist that connect any two metallic
electrodes sitting at different potential. This condition can be operationally
recognized as 'no gas gap being delimited by two metallic electrodes'. Since
early 70's, Re... | 1206.2735v2 |
2018-12-03 | Resistive evolution of toroidal field configurations and their relation to magnetic clouds | We study the resistive evolution of a localized self-organizing
magnetohydrodynamic equilibrium. In this configuration the magnetic forces are
balanced by a pressure force caused by a toroidal depression in the pressure.
Equilibrium is attained when this low pressure region prevents further
expansion into the higher-pr... | 1812.00005v1 |
2019-01-24 | Parylene Based Memristive Devices with Multilevel Resistive Switching for Neuromorphic Applications | In this paper, the resistive switching and neuromorphic behavior of
memristive devices based on parylene, a polymer both low-cost and safe for the
human body, is comprehensively studied. The Metal/Parylene/ITO sandwich
structures were prepared by means of the standard gas phase surface
polymerization method with differ... | 1901.08667v2 |
2020-01-24 | Metal-to-metal transition and heavy-electron state in Nd$_4$Ni$_3$O$_{10-δ}$ | The trilayer nickelate Nd$_4$Ni$_3$O$_{10-\delta}$ ($\delta \approx$ 0.15)
was investigated by the measurements of x-ray diffraction, electrical
resistivity, magnetic susceptibility, and heat capacity. The crystal structure
data suggest a higher Ni valence in the inner perovskite-like layer. At ambient
pressure the res... | 2001.09059v2 |
2021-04-07 | Functional annotation of creeping bentgrass protein sequences based on convolutional neural network | Background: Creeping bentgrass (Agrostis soionifera) is a perennial grass of
Gramineae, belonging to cold season turfgrass, but has poor disease resistance.
Up to now, little is known about the induced systemic resistance (ISR)
mechanism, especially the relevant functional proteins, which is important to
disease resist... | 2104.03139v2 |
2021-08-19 | Resistive Hot Accretion Flows with Anisotropic Pressure | Since the collisional mean free path of charged particles in hot accretion
flows can be significantly larger than the typical length-scale of the
accretion flows, the gas pressure is anisotropic to magnetic field lines. For
such a large collisional mean free path, the resistive dissipation can also
play a key role in h... | 2108.09829v1 |
2022-05-22 | First Report of Susceptibility Status of the Invasive Vector: Aedes albopictus to insecticides used in vector control in Morocco | Aedes albopictus has been newly recorded in Agdal district at Rabat in
Morocco. The establishment of this invasive mosquito could affect the public
health by causing serious epidemics despite of its high nuisance in urban and
sub-urban areas. Vector control is mainly based on environmental management but
chemical insec... | 2205.11994v1 |
2023-09-15 | Greedy Optimization of Resistance-based Graph Robustness with Global and Local Edge Insertions | The total effective resistance, also called the Kirchhoff index, provides a
robustness measure for a graph $G$. We consider two optimization problems of
adding $k$ new edges to $G$ such that the resulting graph has minimal total
effective resistance (i.e., is most robust) -- one where the new edges can be
anywhere in t... | 2309.08271v1 |
2024-05-28 | Differential Voltage Analysis and Patterns in Parallel-Connected Pairs of Imbalanced Cells | Diagnosing imbalances in capacity and resistance within parallel-connected
cells in battery packs is critical for battery management and fault detection,
but it is challenging given that individual currents flowing into each cell are
often unmeasured. This work introduces a novel method useful for identifying
imbalance... | 2405.17754v1 |
2018-02-05 | Electrical-current-induced magnetic hysteresis in self-assembled vertically aligned La_{2/3}Sr_{1/3}MnO_3:ZnO-nanopillar composites | Magnetoresistive random-access memory (MRAM) is poised to become a
next-generation information storage device. Yet, many materials challenges
remain unsolved before it can become a widely used memory storage solution.
Among them, an urgent need is to identify a material system that is suitable
for downscaling and is co... | 1802.01632v1 |
2018-03-05 | Measurement of Elastoresistivity at Finite Frequency by Amplitude Demodulation | Elastoresistivity, the relation between resistivity and strain, can elucidate
subtle properties of the electronic structure of a material and is an
increasingly important tool for the study of strongly correlated materials. To
date, elastoresistivity measurements have been predominantly performed with
quasi-static (DC)... | 1803.01909v2 |
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