publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
|---|---|---|---|
2016-04-25 | Anisotropic transport and optical spectroscopy study on antiferromagentic triangular lattice EuCd_2As_2: an interplay between magnetism and charge transport properties | We present anisotropic transport and optical spectroscopy studies on
EuCd_2As_2. The measurements reveal that EuCd_2As_2 is a low carrier density
semimetal with moderate anisotropic resistivity ratio. The charge carriers
experience very strong scattering from Eu magnetic moments, resulting in a
Kondo-like increase of r... | 1604.07114v2 |
2016-04-26 | Multiband effects and the possible Dirac states in LaAgSb$_2$ | Here we report the possible signature of Dirac fermions in the
magnetoresistance, Hall resistivity and magnetothermopower of LaAgSb$_2$. The
opposite sign between Hall resistivity and Seebeck coefficient indicates the
multiband effect. Electronic structure calculation reveals the existence of the
linear bands and the p... | 1604.07819v1 |
2016-04-27 | Superconductivity at 7.8 K in the ternary LaRu2As2 compound | Here we report the discovery of superconductivity in the ternary LaRu2As2
compound. The polycrystalline LaRu2As2 samples were synthesized by the
conventional solid state reaction method. Powder X-ray diffraction analysis
indicates that LaRu2As2 crystallizes in the ThCr2Si2-type crystal structure
with the space group I4... | 1604.07958v1 |
2016-06-02 | First-principles calculation of the stabilities of lithium garnet compositions against hydration | A series of density functional electronic structure calculations were carried
out to better understand the crystallographic factors governing the stability
of LinA3B2O12 lithium garnet phases against hydration. The reaction studied is
H2O + LinA3B2O12 = LiOH + HnA3B2O12. Most of the compositions are stable
against pure... | 1606.01807v1 |
2016-06-07 | The temperature dependence of FeRh's transport properties | The finite-temperature transport properties of FeRh compounds are
investigated by first-principles Density Functional Theory-based calculations.
The focus is on the behavior of the longitudinal resistivity with rising
temperature, which exhibits an abrupt decrease at the metamagnetic transition
point, $T = T_m$ between... | 1606.02072v1 |
2016-06-21 | Bad-Metal Relaxation Dynamics in a Fermi Lattice Gas | We report the discovery of phenomena consistent with bad-metal relaxation
dynamics in the metallic regime of an optical-lattice Hubbard model. The
transport lifetime induced by inter-particle scattering for a mass current of
atoms excited by stimulated Raman transitions is measured, and the
corresponding analog of resi... | 1606.06669v5 |
2016-07-11 | The modification of the pore characteristics of activated carbon, for use in electrical double layer capacitors, through plasma processing | It was aimed to determine whether plasma processing could contribute to
enhanced capacitance and energy density of activated carbon electrode based
electrochemical capacitors, through the formation of additional surface
charges. While an increase of up to 35% of the gravimetric capacitance, along
with ~ 20% decrease in... | 1607.03201v1 |
2016-07-15 | Chiral Phonons and Electrical Resistivity of Ferromagnetic Metals at Low Temperatures | Ferromagnetism is an exciting phase of matter exhibiting strongly correlated
electron behavior and a standard example of spontaneously broken rotational
symmetry: below the Curie temperature, atomic magnets in an isotropic
single-domain ferromagnetic metal align along a spontaneously chosen direction.
The scattering of... | 1607.04585v2 |
2016-11-01 | Boundary conditions and heat resistance at the moving solid--liquid interface | Boundary conditions for the solid-liquid interface of the solidifying pure
melt have been derived. In the derivation the model of Gibbs interface is used.
The boundary conditions include both the state quantities of bulk phases are
taken at the interface and the quantities characterizing interfacial surface
such as the... | 1611.00160v1 |
2017-06-01 | Edge transport in InAs and InAs/GaSb quantum wells | We investigate low-temperature transport through single InAs quantum wells
and broken-gap InAs/GaSb double quantum wells. Non-local measurements in the
regime beyond bulk pinch-off confirm the presence of edge conduction in InAs
quantum wells. The edge resistivity of 1-2 $\mathrm{k\Omega/\mu m}$ is of the
same order of... | 1706.00320v1 |
2017-09-21 | Zero-Field Quantum Critical Point in Ce$_{0.91}$Yb$_{0.09}$CoIn$_5$ | We present results of specific heat, electrical resistance, and
magnetoresistivity measurements on single crystals of the heavy-fermion
superconducting alloy Ce$_{0.91}$Yb$_{0.09}$CoIn$_5$. Non-Fermi liquid to Fermi
liquid crossovers are clearly observed in the temperature dependence of the
Sommerfeld coefficient $\gam... | 1709.07161v3 |
2017-12-01 | Titanium Contacts to Graphene: Process-Induced Variability in Electronic and Thermal Transport | Contact Resistance (RC) is a major limiting factor in the performance of
graphene devices. RC is sensitive to the quality of the interface and the
composition of the contact, which are affected by the graphene transfer process
and contact deposition conditions. In this work, a linear correlation is
observed between the... | 1712.00331v1 |
2017-12-04 | Particle-hole symmetry reveals failed superconductivity in the metallic phase of two-dimensional superconducting films | Electrons confined to two dimensions display an unexpected diversity of
behaviors as they are cooled to absolute zero. Noninteracting electrons are
predicted to eventually "localize" into an insulating ground state, and it has
long been supposed that electron correlations stabilize only one other phase:
superconductivi... | 1712.00947v1 |
2018-01-15 | A study of electron and thermal transport in layered Titanium disulphide single crystals | We present a detailed study of thermal and electrical transport behavior of
single crystal Titanium disulphide flakes, which belongs to the two
dimensional, transition metal dichalcogenide class of materials. In-plane
Seebeck effect measurements revealed a typical metal-like linear temperature
dependence in the range o... | 1801.04677v1 |
2018-02-23 | Possible charge-density-wave signatures in the anomalous resistivity of Li-intercalated multilayer MoS2 | We fabricate ion-gated field-effect transistors (iFET) on mechanically
exfoliated multilayer MoS$_2$. We encapsulate the flake by Al$_2$O$_3$, leaving
the device channel exposed at the edges only. A stable Li$^+$ intercalation in
the MoS$_2$ lattice is induced by gating the samples with a Li-based polymeric
electrolyte... | 1802.08449v2 |
2018-03-13 | Are thermal fluctuations the sole reason for finite longitudinal resistance in quantum anomalous Hall experiments? | In some recent experiments [A. J. Bestwick, et. al., Phys. Rev. Lett. 114,
187201 (2015), Cui-Zu Chang, et. al., Nat. Materials. 14, 473-477 (2015)] it
has been shown that in observations of the quantum anomalous Hall (QAH) effect
the longitudinal resistance $R_L$ increases as temperature $T$ increases, while
Hall resi... | 1803.04995v2 |
2018-03-21 | Bad metallic transport in a modified Hubbard model | Strongly correlated metals often display anomalous transport, including
$T$-linear resistivity above the Mott-Ioffe-Regel limit. We introduce a
tractable microscopic model for such bad metals, by supplementing the
well-known Hubbard model --- with hopping $t$ and on-site repulsion $U$ ---
with a `screened Coulomb' inte... | 1803.08054v3 |
2018-04-06 | Energy-Quality Scaling in Analog Mesh Computers | The recent push for post-Moore computer architectures has introduced a wide
variety of application-specific accelerators. One particular accelerator, the
resistance network analogue, has been well received due to its ability to
efficiently solve partial differential equations by eliminating the iterative
stages require... | 1804.02389v2 |
2018-04-28 | Nonequilibrium Mean-Field Theory of Resistive Phase Transitions | We investigate the quantum mechanical origin of resistive phase transitions
in solids driven by a constant electric field in the vicinity of a
metal-insulator transition. We perform a nonequilibrium mean-field analysis of
a driven-dissipative anti-ferromagnet, which we solve analytically for the most
part. We find that... | 1804.10733v1 |
2018-09-24 | Fusion Between Frozen-Wave-Type Beams and Airy-Type Pulses: Diffraction-Dispersion-Attenuation Resistant Vortex Pulses in Absorbing Media | In this paper we perform a fusion between two important theoretical
methodologies, one related to the Frozen Wave beams, which are non-diffracting
beams whose longitudinal intensity pattern can be chosen a priori in an medium
(absorbing or not), and the other related to the Airy-Type pulses, which are
pulses resistant ... | 1809.08740v1 |
2018-11-28 | Investigation of effective thermoelectric properties of composite with interfacial resistance using micromechanics-based homogenisation | We obtained the analytical expression for the effective thermoelectric
properties and dimensionless figure of merit of a composite with interfacial
electrical and thermal resistances using a micromechanics-based homogenisation.
For the first time, we derived the Eshelby tensor for a spherical inclusion as
a function of... | 1811.11340v2 |
2019-05-13 | Quantum Oscillations of Electrical Resistivity in an Insulator | In metals, orbital motions of conduction electrons on the Fermi surface are
quantized in magnetic fields, which is manifested by quantum oscillations in
electrical resistivity. This Landau quantization is generally absent in
insulators. Here we report a notable exception in an insulator, ytterbium
dodecaboride (YbB12).... | 1905.05140v1 |
2019-09-27 | Magnetoresistance effects in the metallic antiferromagnet Mn$_2$Au | In antiferromagnetic spintronics, it is essential to separate the resistance
modifications of purely magnetic origin from other effects generated by current
pulses intended to switch the N\'eel vector. We investigate the
magnetoresistance effects resulting from magnetic field induced reorientations
of the staggered mag... | 1909.12606v3 |
2020-03-22 | Monitoring of the formation of strontium molybdate intergrain tunneling barriers in strontium ferromolybdate | This work is a contribution to the understanding of the electrical
resistivity in strontium ferromolybdate (SFMO) ceramics. It demonstrates that
an appropriate thermal treatment leads to the formation of dielectric SrMoO4
shells at the surface of SFMO nanograins. In samples without SrMoO4 shells, the
sign of the temper... | 2003.09997v1 |
2014-08-15 | Correlation between electrical and magnetic properties of phase separated manganites studied with a General Effective Medium model | We have performed electrical resistivity and DC magnetization measurements as
a function of temperature, on polycrystalline samples of phase separated
LaPrCaMnO. We have used the General Effective Medium Theory to obtain
theoretical resistivity vs. temperature curves corresponding to different fixed
ferromagnetic volum... | 1408.3599v1 |
2014-08-28 | Room temperature giant baroresistance and magnetoresistance and its tunability in Pd doped FeRh | We report room temperature giant baro-resistance ($\approx$128\%) in
$Fe_{49}(Rh_{0.93}Pd_{0.07})_{51}$. With the application of external pressure
and magnetic field the temperature range of giant baro-resistance
($\approx$600\% at 5K and 19.9 kbar and 8 Tesla) and magnetoresistance
($\approx$-85\% at 5K and 8 tesla) c... | 1408.6688v1 |
2017-01-18 | Iron-based superconductivity extended to the novel silicide LaFeSiH | We report the synthesis and characterization of the novel silicide LaFeSiH
displaying superconductivity with onset at 11 K. We find that this
pnictogen-free compound is isostructural to LaFeAsO, with a similar
low-temperature tetragonal to orthorhombic distortion. Using density functional
theory we show that this syste... | 1701.05010v3 |
2017-03-09 | Oxygen migration during resistance switching and failure of hafnium oxide memristors | While the recent establishment of the role of thermophoresis/diffusion-driven
oxygen migration during resistance switching in metal oxide memristors provided
critical insights required for memristor modeling, extended investigations of
the role of oxygen migration during ageing and failure remain to be detailed.
Such d... | 1703.03106v1 |
2018-10-09 | Electron scattering by short range defects and resistivity of graphene | The electron scattering by the short-range defects in the monolayer graphene
is considered in the framework of the flatland model. We analyze the effect of
this scattering on the electronic resistivity of the monolayer graphene (direct
problem) and develop a procedure for determination of the defect potential from
resi... | 1810.03897v1 |
2018-10-16 | Studies of two-dimensional MoS2 on enhancing the electrical performance of ultrathin copper films | Copper nanowires are widely used as on-chip interconnects due to superior
conductivity. However, with aggressive Cu interconnect scaling, the diffusive
surface scattering of electrons drastically increases the electrical
resistivity. In this work, we studied the electrical performance of Cu thin
films on different mate... | 1810.06772v1 |
2019-02-01 | Graph Resistance and Learning from Pairwise Comparisons | We consider the problem of learning the qualities of a collection of items by
performing noisy comparisons among them. Following the standard paradigm, we
assume there is a fixed "comparison graph" and every neighboring pair of items
in this graph is compared $k$ times according to the Bradley-Terry-Luce model
(where t... | 1902.00141v2 |
2019-02-06 | AlGaN /GaN superlattice based p-channel field effect transistor (pFET) with TMAH treatment | To realize the full spectrum of advantages that the III-nitride materials
system offers, the demonstration of p-channel III-nitride based devices is
valuable. Authors report the first p-type field effect transistor (pFET) based
on an AlGaN/GaN superlattice (SL), grown using MOCVD. Magnesium was used as the
p-type dopan... | 1902.02022v2 |
2019-02-26 | Au-Ge alloys for wide-range low-temperature on-chip thermometry | We present results of a Au-Ge alloy that is useful as a resistance-based
thermometer from room temperature down to at least \SI{0.2}{\kelvin}. Over a
wide range, the electrical resistivity of the alloy shows a logarithmic
temperature dependence, which simultaneously retains the sensitivity required
for practical thermo... | 1902.10111v2 |
2019-07-11 | DC Electrical Degradation of YSZ: Voltage Controlled Electrical Metallization of A Fast Ion Conducting Insulator | DC electrical degradation as a form of dielectric and resistance breakdown is
a common phenomenon in thin-film devices including resistance-switching memory.
To obtain design data and to probe the degradation mechanism, highly
accelerated lifetime tests (HALT) are often conducted at higher temperatures
with thicker sam... | 1907.05479v2 |
2020-02-17 | Transport mechanism in amorphous molybdenum silicide thin films | Amorphous molybdenum silicide compounds have attracted significant interest
for potential device applications, particularly in single-photon detector. In
this work, the temperature-dependent resistance and magneto-resistance
behaviors were measured to reveal the charge transport mechanism, which is of
great importance ... | 2002.06884v3 |
2020-09-17 | Restored strange metal phase through suppression of charge density waves in underdoped YBa$_2$Cu$_3$O$_{7-δ}$ | The normal state of optimally doped cuprates is dominated by the "strange
metal" phase that shows a linear temperature ($T$) dependence of the
resistivity persisting down to the lowest $T$. For underdoped cuprates this
behavior is lost below the pseudogap temperature $T^*$, where Charge Density
Waves (CDW) together wit... | 2009.08398v3 |
2007-10-03 | The effect of ozone oxidation on single-walled carbon nanotubes | Exposing single-walled carbon nanotubes to room temperature UV-generated
ozone leads to an irreversible increase in their electrical resistance. We
demonstrate that the increased resistance is due to ozone oxidation on the
sidewalls of the nanotubes rather than at the end caps. Raman and x-ray
photoelectron spectroscop... | 0710.0803v1 |
2012-01-13 | Intermediate state switching dynamics in magnetic double layer nanopillars grown by molecular beam epitaxy | We observe a stable intermediate resistance switching state in the current
perpendicular to plane geometry for all Co/Cu/Co double layer nanopillar
junctions grown by molecular beam epitaxy. This novel state has a resistance
between the resistances of the parallel and antiparallel alignment of both
Co-layer magnetizati... | 1201.2752v1 |
2012-01-14 | Length dependence of the resistance in graphite: Influence of ballistic transport | Using a linear array of voltage electrodes with a separation of several
micrometers on a $20 $nm thick and 30 $\mu$m long multigraphene sample we show
that the measured resistance does not follow the usual length dependence
according to Ohm's law. The deviations can be quantitatively explained taking
into account Sharv... | 1201.3004v1 |
2012-01-14 | Temperature dependence of the thermal boundary resistivity of glass-embedded metal nanoparticles | The temperature dependence of the thermal boundary resistivity is
investigated in glass-embedded Ag particles of radius 4.5 nm, in the
temperature range from 300 to 70 K, using all-optical time-resolved
nanocalorimetry. The present results provide a benchmark for theories aiming at
explaining the thermal boundary resis... | 1201.3034v1 |
2014-01-07 | Images of edge current in InAs/GaSb quantum wells | Quantum spin Hall devices with edges much longer than several microns do not
display ballistic transport: that is, their measured conductances are much less
than $e^2/h$ per edge. We imaged edge currents in InAs/GaSb quantum wells with
long edges and determined an effective edge resistance. Surprisingly, although
the e... | 1401.1531v2 |
2016-03-12 | Spin Hall Effect and Origins of Nonlocal Resistance in Adatom-Decorated Graphene | Recent experiments reporting unexpectedly large spin Hall effect (SHE) in
graphene decorated with adatoms have raised a fierce controversy. We apply
numerically exact Kubo and Landauer- Buttiker formulas to realistic models of
gold-decorated disordered graphene (including adatom clustering) to obtain the
spin Hall con... | 1603.03870v3 |
2016-03-17 | Electrical Writing of Magnetic and Resistive Multistates in CoFe Films Deposited onto Pb[Zr$_x$Ti$_{1-x}$]O$_3$ | Electric control of magnetic properties is an important challenge for modern
magnetism and spintronic development. In particular, an ability to write
magnetic state electrically would be highly beneficial. Among other methods,
the use of electric field induced deformation of piezoelectric elements is a
promising low-en... | 1603.05476v1 |
2018-08-26 | Supercondutivity in SnSb with natural superlattice structure | We report the results of electrical resistivity, magnetic and thermodynamic
measurements on polycrystalline SnSb, whose structure consists of stacks of Sb
bilayers and Sn4Sb3 septuple layers along the c-axis. The material is found to
be a weakly coupled, fully gapped, type-II superconductor with a bulk Tc of
1.50 K, wh... | 1808.08500v2 |
2019-03-03 | Scaling parameters in anomalous and nonlinear Hall effects depend on temperature | In the study of the anomalous Hall effect, the scaling relations between the
anomalous Hall and longitudinal resistivities play the central role. The
scaling parameters by definition are fixed as the scaling variable
(longitudinal resistivity) changes. Contrary to this paradigm, we unveil that
the electron-phonon scatt... | 1903.00810v5 |
2019-03-19 | Composition dependence of magnetoresistance in Fe$_{1-x}$Ni$_{x}$ alloys | Resistance of Fe$_{1-x}$Ni$_x$(x=0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7 and 0.9)
has been measured using four probe method from 5K to 300K with and without a
longitudinal magnetic field of 8T. The zero field resistivity of x=0.1 and 0.9
alloys, predominant contribution to resistivity above near room temperature is
due to el... | 1903.08230v3 |
2019-03-26 | Controlled inter-state switching between quantized conductance states in resistive devices for multilevel memory | A detailed understanding of quantization conductance (QC), their correlation
with resistive switching phenomena and controlled manipulation of quantized
states is crucial for realizing atomic-scale multilevel memory elements. Here,
we demonstrate highly stable and reproducible quantized conductance states
(QC-states) i... | 1903.10688v1 |
2019-12-11 | Current-induced fragmentation of antiferromagnetic domains | Electrical and optical pulsing allow for manipulating the order parameter and
magnetoresistance of antiferromagnets, opening novel prospects for digital and
analog data storage in spintronic devices. Recent experiments in CuMnAs have
demonstrated giant resistive switching signals in single-layer
antiferromagnetic films... | 1912.05287v1 |
2019-12-12 | Aharonov-Bohm oscillations of four-probe resistance in topological quantum rings in silicene and bilayer graphene | We consider observation of Aharonov-Bohm oscillations in clean systems based
on the flow of topologically protected currents in silicene and bilayer
graphene. The chiral channels in these materials are defined by the flips of
the vertical electric field. The line of the flip confines chiral currents
flowing along it in... | 1912.05876v2 |
2021-01-13 | Hinge Spin Polarization in Magnetic Topological Insulators Revealed by Resistance Switch | We report on the possibility to detect hinge spin polarization in magnetic
topological insulators by resistance measurements. By implementing a
three-dimensional model of magnetic topological insulators into a
multi-terminal device with ferromagnetic contacts near the top surface, local
spin features of the chiral edge... | 2101.05293v2 |
2021-01-26 | Demystifying strange metal and violation of Luttinger theorem in a doped Mott insulator | Metallic states coined strange metal (SM), with robust linear-$T$
resistivity, have been widely observed in many quantum materials under strong
electron correlation, ranging from high-$T_{c}$ cuprate superconductor, organic
superconductor to twisted multilayer graphene and MoTe$_{2}$/WSe$_{2}$
superlattice. Despite dec... | 2101.10611v3 |
2012-06-15 | A ferroelectric memristor | Memristors are continuously tunable resistors that emulate synapses.
Conceptualized in the 1970s, they traditionally operate by voltage-induced
displacements of matter, but the mechanism remains controversial. Purely
electronic memristors have recently emerged based on well-established physical
phenomena with albeit mo... | 1206.3397v1 |
2015-04-30 | Study of the Negative Magneto-Resistance of Single Proton-Implanted Lithium-Doped ZnO Microwires | The magneto-transport properties of single proton-implanted ZnO and of
Li(7\%)-doped ZnO microwires have been studied. The as-grown microwires were
highly insulating and not magnetic. After proton implantation the Li(7\%) doped
ZnO microwires showed a non monotonous behavior of the negative
magneto-resistance (MR) at t... | 1504.08230v1 |
2015-07-29 | Integration of a 2D Periodic Nanopattern Into Thin Film Polycrystalline Silicon Solar Cells by Nanoimprint Lithography | The integration of two-dimensional (2D) periodic nanopattern defined by
nanoimprint lithography and dry etching into aluminum induced crystallization
(AIC) based polycrystalline silicon (Poly-Si) thin film solar cells is
investigated experimentally. Compared to the unpatterned cell an increase of 6%
in the light absorp... | 1507.08341v1 |
2019-06-03 | Observations of zero electrical resistance of Au-Ag thin films near room temperature | Recent observations of superconducting like transition at 286 K in Ag and Ag
nanostructures by Thapa et al. (arxiv: 1807.08572) have rekindled the hope for
room temperature superconductivity under ambient conditions. We also
investigated the electrical properties of Ag-Au nanostructure in the form of
thin film grown on... | 1906.00708v1 |
2019-06-24 | Combination of informational storage and logical processing based on an all-oxide asymmetric multiferroic tunnel junction | Multiferroic tunnel junctions (MFTJs) have already been proved to be
promising candidates for application in spintronics devices. The coupling
between tunnel magnetoresistance (TMR) and tunnel electroresistance (TER) in
MFTJs can provide four distinct resistive states in a single memory cell. Here
we show that in an al... | 1906.09993v1 |
2019-10-04 | Nonvolatile Multilevel States in Multiferroic Tunnel Junctions | Manipulation of tunneling spin-polarized electrons via a ferroelectric
interlayer sandwiched between two ferromagnetic electrodes, dubbed Multiferroic
Tunnel Junctions (MFTJs), can be achieved not only by the magnetic alignments
of two ferromagnets but also by the electric polarization of the ferroelectric
interlayer, ... | 1910.02002v1 |
2020-06-02 | Ultra-fast Kinematic Vortices in Mesoscopic Superconductors: The Effect of the Self-Field | Within the framework of the generalized time-dependent Ginzburg-Landau
equations, we studied the influence of the magnetic self-field induced by the
currents inside a superconducting sample driven by an applied transport
current. The numerical simulations of the resistive state of the system show
that neither material ... | 2006.01335v1 |
2020-07-09 | Coupling-independent, Real-time Wireless Resistive Sensing through Nonlinear PT-symmetry | We report the realization of coupling-independent, robust wireless sensing of
fully-passive resistive sensors. PT-symmetric operation obviates sweeping,
permitting real-time, single-point sensing. Self-oscillation is achieved
through a fast-settling nonlinearity whose voltage amplitude is proportional to
the sensor's r... | 2007.05077v4 |
2020-07-29 | An electro-thermal computational study of conducting channels in dielectric thin films using self-consistent phase-field methodology: A view toward the physical origins of resistive switching | A large number of experimental studies suggest two-terminal resistive
switching devices made of a dielectric thin film sandwiched by a pair of
electrodes exhibit reversible multi-state switching behaviors; however coherent
understanding of physical and chemical origins of their electrical properties
needs to be further... | 2007.15123v1 |
2020-08-24 | Peierls-type metal-insulator transition in carbon nanostructures | We report the observation of Peierls-type metal-insulator transition in
carbon nanostructures formed by chemical vapor deposition inside the pore
network of the ZSM-5 zeolite. The Raman spectrum of this nanocarbon@ZSM-5
indicates a clear signature of the radial breathing mode (RBM) for (3,0) carbon
nanotubes that can c... | 2008.10160v1 |
2020-10-22 | Electrical and Thermal Transport Properties of the beta-Pyrochlore Oxide CsW2O6 | We report the electrical resistivity, thermoelectric power, and thermal
conductivity of single-crystalline and sintered samples of the 5d pyrochlore
oxide CsW2O6. The electrical resistivity of the single crystal is 3 mohm cm at
295 K and gradually increases with decreasing temperature above 215 K (Phase
I). The thermoe... | 2010.11404v1 |
2020-11-11 | Elastic turbulence generates anomalous flow resistance in porous media | Diverse processes rely on the viscous flow of polymer solutions through
porous media. In many cases, the macroscopic flow resistance abruptly increases
above a threshold flow rate in a porous medium---but not in bulk solution. The
reason why has been a puzzle for over half a century. Here, by directly
visualizing the f... | 2011.06036v1 |
2021-02-08 | Double magnetic phase transitions and magnetotransport anomalies in a new compound Gd$_\textbf{2}$AgSi$_\textbf{3}$ | Dc and ac-magnetic susceptibility ($\chi$), specific heat ($C_\mathrm{P}$),
electrical resistivity ($\rho$) and magnetoresistance measurements performed on
the new polycrystalline compound $\mathrm{Gd_2AgSi_3}$, crystallizing in the
$\alpha$-$\mathrm{ThSi_2}$ tetragonal structure, are reported. Two magnetic
phase trans... | 2102.04096v2 |
2021-04-23 | Ab initio inspection of thermophysical experiments for zirconium near melting | We present quantum molecular dynamics calculations of thermophysical
properties of solid and liquid zirconium in the vicinity of melting. An
overview of available experimental data is also presented. We focus on the
analysis of thermal expansion, molar enthalpy, resistivity and normal spectral
emissivity of solid and l... | 2104.11521v2 |
2021-06-16 | Statistical Analysis of Contacts to Synthetic Monolayer MoS2 | Two-dimensional (2D) semiconductors are promising candidates for scaled
transistors because they are immune to mobility degradation at the monolayer
limit. However, sub-10 nm scaling of 2D semiconductors, such as MoS2, is
limited by the contact resistance. In this work, we show for the first time a
statistical study of... | 2106.08673v3 |
2021-06-19 | Dopant Precursor Adsorption into Single-Dimer Windows: Towards Guided Self-Assembly of Dopant Arrays on Si(100) | Atomically precise dopant arrays in Si are being pursued for solid-state
quantum computing applications. We propose a guided self-assembly process to
produce atomically precise arrays of single dopant atoms in lieu of
lithographic patterning. We leverage the self-assembled c(4x2) structure formed
on Br- and I-Si(100) a... | 2106.10556v1 |
2021-07-07 | Large Magneto-Electric Resistance in the Topological Dirac Semimetal alpha Sn | The spin-momentum locking of surface states in topological quantum materials
can produce a resistance that scales linearly with magnetic and electric
fields. Such a bilinear magneto-electric resistance (BMER) effect offers a
completely new approach for magnetic storage and magnetic field sensing
applications. The effec... | 2107.03472v1 |
2021-10-21 | Magnetic critical behavior and anomalous Hall effect in 2H-Co$_{0.22}$TaS$_{2}$ single crystals | We report ferromagnetism in 2H-Co$_{0.22}$TaS$_2$ single crystals where Co
atoms are intercalated in the van der Waals gap, and a systematic study of its
magnetic critical behavior in the vicinity of $T_c \sim 28$ K. The obtained
critical exponents $\beta$ = 0.43(2), $\gamma$ = 1.15(1), and $\delta =
3.54(1)$ fulfill t... | 2110.11350v1 |
2022-01-21 | Anomalous metals: from "failed superconductor" to "failed insulator" | Resistivity saturation is found on both superconducting and insulating sides
of an "avoided" magnetic-field-tuned superconductor-to-insulator transition
(H-SIT) in a two-dimensional In/InO$_x$ composite, where the anomalous metallic
behaviors cut off conductivity or resistivity divergence in the
zero-temperature limit.... | 2201.08801v1 |
2022-03-12 | Quantifying active and resistive stresses in adherent cells | To understand cell migration, it is crucial to gain knowledge on how cells
exert and integrate forces on/from their environment. A quantity of prime
interest for biophysicists interested in cell movements modeling is the
intracellular stresses. Up to now, three different methods have been proposed
to calculate it, they... | 2203.06475v2 |
2022-03-23 | Quantum oscillations and weak anisotropic resistivity in the chiral Fermion semimetal PdGa | We perform a detailed analysis of the magnetotransport and de Haas-van Alphen
(dHvA) oscillations in crystal PdGa which is predicted to be a typical chiral
Fermion semimetal from CoSi family holding a large Chern number. The
unsaturated quadratic magnetoresistance (MR) and nonlinear Hall resistivity
indicate that PdGa ... | 2203.12772v1 |
2022-05-04 | Percolative Superconductivity in Electron-Doped Sr$_{1-x}$Eu$_{x}$CuO$_{2+y}$ Films | Electron-doped infinite-layer Sr$_{1-x}$Eu$_{x}$CuO$_{2+y}$ films over a wide
doping range have been prepared epitaxially on SrTiO$_3$(001) using reactive
molecular beam epitaxy. In-plane transport measurements of the single
crystalline samples reveal a dome-shaped nodeless superconducting phase
centered at $x$ $\sim$ ... | 2205.01844v1 |
2022-05-10 | Effect of substrate temperature on the optoelectronic properties of DC magnetron sputtered copper oxide films | Copper oxide thin films are deposited on quartz substrates by DC magnetron
sputtering and the effect of deposition temperature on their optoelectronic
properties is examined in detail. Scanning Electron Microscopy (SEM), X-ray
diffraction (XRD) analysis, Raman spectroscopy, UV-Vis spectroscopy, and
four-probe sheet res... | 2205.05615v1 |
2022-08-10 | Spin-carrier coupling induced ferromagnetism and giant resistivity peak in EuCd$_2$P$_2$ | EuCd$_2$P$_2$ is notable for its unconventional transport: upon cooling the
metallic resistivity changes slope and begins to increase, ultimately 100-fold,
before returning to its metallic value. Surprisingly, this giant peak occurs at
18K, well above the N\'{e}el temperature ($T_N$) of 11.5K. Using a suite of
sensitiv... | 2208.05499v1 |
2022-10-04 | Time-domain impedance method for transient photovoltage analysis | In this work, we approximate the surface photovoltage (SPV) transients in
nm-sized ZnO films by the equivalent RC circuit model. The SPV rises in time in
time for about 90 mcs after the exciting light pulse at 275 nm is off at
different pulse widths ranging from 1.2 to 12 mcs. The key to this observation
is a considera... | 2210.07928v1 |
2022-10-17 | Multiscale modeling of resistive switching in gold nanogranular films | Metallic nanogranular films display a complex dynamical response to a
constant bias, showing up as atypical resistive switching mechanism which could
be used to create electrical components for neuromorphic applications. To model
such a phenomenon we use a multiscale approach blending together an ab initio
treatment of... | 2210.09379v1 |
2022-10-27 | Green's Functions For Random Resistor Networks | We analyze random resistor networks through a study of lattice Green's
functions in arbitrary dimensions. We develop a systematic disorder
perturbation expansion to describe the weak disorder regime of such a system.
We use this formulation to compute ensemble averaged nodal voltages and bond
currents in a hierarchical... | 2210.15562v3 |
2022-12-19 | Anisotropic resistance with a 90-degree twist in a ferromagnetic Weyl semimetal, Co2MnGa | Co$_2$MnGa is a ferromagnetic semimetal with Weyl nodal lines identified by
ARPES. We studied electrical transport in thin Co$_2$MnGa lamellae (10 $\times$
10 $\times$ 0.4-5 microns) cut from single-crystals using a focused ion beam.
These crystals exhibit an unexpected and highly unusual planar resistance
anisotropy (... | 2212.09738v1 |
2022-12-29 | Stateful Logic using Phase Change Memory | Stateful logic is a digital processing-in-memory technique that could address
von Neumann memory bottleneck challenges while maintaining backward
compatibility with standard von Neumann architectures. In stateful logic,
memory cells are used to perform the logic operations without reading or moving
any data outside the... | 2212.14377v1 |
2023-03-15 | Two-fold anisotropic superconducting state in topological superconductor Sn$_4$Au | Here we report the anisotropic magnetotransport properties in the
superconducting state of Sn$_4$Au single crystal. Sn$_4$Au single crystal is
synthesized through an easy melt growth method. Superconducting properties are
evidenced by resistivity vs. temperature and DC magnetization measurements.
Isothermal magnetizati... | 2303.08520v1 |
2023-03-28 | Effect of atomic anti-site disorder on the AMR in FeCo alloys | In order to understand the anti-site disorder effect on the anisotropic
magnetoresistance (AMR) effect in alloys, $\rm{Fe}_{50}Co_{50}$ alloys were
studied in this work using the fully relativistic spin-polarized screened (KKR)
method. The anti-site effect was modeled by interchanging Fe and Co atoms and
treated by the... | 2303.15726v1 |
2023-03-28 | Superconductivity in boron-doped carbon nanotube networks | By using the five Angstrom diameter pores of calcined zeolite as the
template, we have fabricated boron doped carbon nanotube networks via the
chemical vapor deposition method. Raman data indicate the network to comprise
segments of interconnected carbon nano tubes. Transport measurements showed a
superconducting trans... | 2303.15980v1 |
2023-04-12 | Measuring a Soft Resistive Strain Sensor Array by Solving the Resistor Network Inverse Problem | Soft robotics is applicable to a variety of domains due to the adaptability
offered by the soft and compliant materials. To develop future intelligent soft
robots, soft sensors that can capture deformation with nearly infinite
degree-of-freedom are necessary. Soft sensor networks can address this problem,
however, meas... | 2304.05828v1 |
2023-05-22 | Ion-selective scattering studied by the variable-energy electron irradiation of Ba$_{0.2}$K$_{0.8}$Fe$_2$As$_2$ superconductor | Low-temperature variable-energy electron irradiation was used to induce
non-magnetic disorder in a single crystal of hole-doped iron-based
superconductor, Ba$_{1-x}$K$_x$Fe$_2$As$_2$, $x=$0.80. To avoid systematic
errors, the beam energy was adjusted non-consequently for five values between
1.0 and 2.5 MeV, whence samp... | 2305.13217v1 |
2023-06-05 | Multilayer GZ/YSZ Thermal Barrier Coating from Suspension and Solution Precursor Plasma Spray | Gas turbines rely on thermal barrier coating (TBC) to thermally insulate the
nickel-based superalloys underneath during operation; however, current TBCs,
yttria stabilised zirconia (YSZ), limit the operating temperature and hence
efficiency. At an operating temperature above 1200{\deg}C, YSZ is susceptible
to failure d... | 2306.02720v1 |
2024-01-31 | Effect of severe plastic deformation realized by rotary swaging on the mechanical properties and corrosion resistance of near-a-titanium alloy Ti-2.5Al-2.6Zr | The research aims to analyze the impact that severe plastic deformation
arising during Rotary Swaging has on mechanical properties and corrosion
resistance of a near-a-titanium alloy Ti-2.5Al-2.6Zr (Russian industrial name
PT7M). The nature of corrosion decay in fine-grained alloys caused by hot salt
corrosion is known... | 2401.17672v1 |
2024-03-17 | Observation of diamagnetic strange-metal phase in sulfur-copper codoped lead apatite | By codoping sulfur and copper into lead apatite, the crystal grains are
directionally stacked and the room-temperature resistivity is reduced from
insulating to $2\times10^{-5}~\Omega\cdot$m. The resistance-temperature curve
exhibits a nearly linear relationship at low temperature suggesting the
presence of strange-met... | 2403.11126v3 |
2024-04-09 | Transport resistance strikes back: unveiling its impact on fill factor losses in organic solar cells | The fill factor ($FF$) is a critical parameter for solar cell efficiency, yet
its analytical description is challenging due to the interplay between
recombination and charge extraction processes. An often overlooked yet
significant factor contributing to $FF$ losses, beyond recombination, is the
influence of charge tra... | 2404.06190v1 |
2024-05-09 | Negative longitudinal resistance of monolayer graphene in the quantum Hall regime | In the quantum Hall regime the charge current is carried by ideal
one-dimensional edge channels where the backscattering is prohibited by
topology. This results in the constant potential along the edge of the Hall bar
leading to zero 4-terminal longitudinal resistance r_xx. Finite scattering
between the counter-propaga... | 2405.05515v2 |
2012-08-01 | Spin-fluctuations in Ti$_{60}$V$_{40}$ alloy and its influence on the superconductivity | We report experimental studies of the temperature and magnetic field
dependence of resistivity and dc magnetic susceptibility and the temperature
dependence of zero field heat capacity in a Ti$_{0.6}$V$_{0.4}$ alloy. The
temperature dependence of the normal state dc magnetic susceptibility in this
Ti$_{0.6}$V$_{0.4}$ a... | 1208.0181v3 |
2016-06-14 | On the multiferroic skyrmion-host GaV4S8 | The lacunar spinel GaV4S8 exhibits orbital ordering at 44 K and shows a
complex magnetic phase diagram below 12.7 K, which includes ferromagnetic and
cycloidal spin order. At low but finite external magnetic fields, N\'eel-type
skyrmions are formed in this material. Skyrmions are whirl-like spin vortices
that have rece... | 1606.04511v1 |
2016-10-24 | Self-aligned local electrolyte gating of 2D materials with nanoscale resolution | In the effort to make 2D materials-based devices smaller, faster, and more
efficient, it is important to control charge carrier at lengths approaching the
nanometer scale. Traditional gating techniques based on capacitive coupling
through a gate dielectric cannot generate strong and uniform electric fields at
this scal... | 1610.07646v2 |
2020-09-22 | Half-Metal Spin-Gapless Semiconductor Junctions as a Route to the Ideal Diode | The ideal diode is a theoretical concept that completely conducts the
electric current under forward bias without any loss and that behaves like a
perfect insulator under reverse bias. However, real diodes have a junction
barrier that electrons have to overcome and thus they have a threshold voltage
$V_T$, which must b... | 2009.10463v1 |
2020-11-22 | Quasi-two-dimensional heterostructures (K$M_{1-x}$Te)(LaTe$_{3}$) ($M$ = Mn, Zn) with charge density waves | Layered heterostructure materials with two different functional building
blocks can teach us about emergent physical properties and phenomena arising
from interactions between the layers. We report the intergrowth compounds
KLa$M$$_{1-x}$Te$_{4}$ ($M$ = Mn, Zn; $x\approx$ 0.35) featuring two chemically
distinct alterna... | 2011.11068v2 |
2021-06-09 | Fracture Mechanics-Based Quantitative Matching of Forensic Evidence Fragments | Fractured metal fragments with rough and irregular surfaces are often found
at crime scenes. Current forensic practice visually inspects the complex jagged
trajectory of fractured surfaces to recognize a ``match'' using comparative
microscopy and physical pattern analysis. We developed a novel computational
framework, ... | 2106.04809v1 |
2021-06-16 | Role of surface termination in the metal-insulator transition of V$_2$O$_3$(0001) ultrathin films | Surface termination is known to play an important role in determining the
physical properties of materials. It is crucial to know how surface termination
affects the metal-insulator transition (MIT) of V$_2$O$_3$ films for both
fundamental understanding and its applications. By changing growth parameters,
we achieved a... | 2106.08555v1 |
2022-03-24 | Influence of generated defects by Ar-implantation on the thermoelectric properties of ScN | Nowadays, making thermoelectric materials more efficient in energy conversion
is still a challenge. In this work, to reduce the thermal conductivity and thus
improve the overall thermoelectric performances, point and extended defects
were generated in epitaxial 111-ScN thin films by implantation using argon
ions. The f... | 2203.13227v4 |
2022-03-29 | Dose rate effects in radiation-induced changes to phenyl-based polymeric scintillators | Results on the effects of ionizing radiation on the signal produced by
plastic scintillating rods manufactured by Eljen Technology company are
presented for various matrix materials, dopant concentrations, fluors (EJ-200
and EJ-260), anti-oxidant concentrations, scintillator thickness, doses, and
dose rates. The light ... | 2203.15923v2 |
2022-04-11 | Thermal insulation and heat guiding using nanopatterned MoS2 | In the modern electronics overheating is one of the major reasons for device
failure. Overheating causes irreversible damage to circuit components and can
also lead to fire, explosions, and injuries. Accordingly, in the advent of 2D
material-based electronics, an understanding of their thermal properties in
addition to... | 2204.04999v1 |
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