publicationDate stringlengths 10 10 | title stringlengths 17 233 | abstract stringlengths 20 3.22k | id stringlengths 9 12 |
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2016-12-09 | Characterization of Fully Depleted CMOS Active Pixel Sensors on High Resistivity Substrates for Use in a High Radiation Environment | Depleted CMOS active sensors (DMAPS) are being developed for high-energy
particle physics experiments in high radiation environments, such as in the
ATLAS High Luminosity Large Hadron Collider (HL-LHC). Since charge collection
by drift is mandatory for harsh radiation environment, the application of high
bias voltage t... | 1612.03154v1 |
2022-03-14 | Photomultipliers as High Rate Radiation-Resistant In-Situ Sensors in Future Experiments | In the Energy Frontier we suggest developing high rate (100 MHz) finely
segmented forward calorimetry preradiators with time resolution <50 ps which
will survive the first 1-2 Lint of incident high radiation doses, protecting
forward calorimeters 3<y<6; less than 5 degrees to the beam behind them from
radiation damage,... | 2203.09941v1 |
2019-01-25 | Current-Induced Torques with Dresselhaus Symmetry Due to Resistance Anisotropy in 2D Materials | We report measurements of current-induced torques in heterostructures of
Permalloy (Py) with TaTe$_2$, a transition-metal dichalcogenide (TMD) material
possessing low crystal symmetry, and observe a torque component with
Dresselhaus symmetry. We suggest that the dominant mechanism for this
Dresselhaus component is not ... | 1901.08908v1 |
1999-08-13 | Resistive upper critical fields and irreversibility lines of optimally-doped high-T_c cuprates | We present the resistively-determined upper critical field H^{\rho}_{c2}(T)
and the irreversibility lines H^{\rho}_{irr}(T) of various high-T_c cuprates,
deduced from measurements in 61-T pulsed magnetic fields applied parallel to
the c-axis. The SHAPE of both H^{\rho}_{c2}(T) and H^{\rho}_{irr}(T) depends
monotonicall... | 9908190v1 |
2009-04-10 | Transition of stoichiometricSr2VO3FeAs to a superconducting state at 37.2 K | The superconductor Sr4V2O6Fe2As2 with transition temperature at 37.2 K has
been fabricated. It has a layered structure with the space group of p4/nmm, and
with the lattice constants a = 3.9296Aand c = 15.6732A. The observed large
diamagnetization signal and zero-resistance demonstrated the bulk
superconductivity. The b... | 0904.1732v5 |
2014-12-25 | Carbon Nanotube Based Delay Model For High Speed Energy Efficient on Chip Data Transmission Using: Current Mode Technique | Speed is a major concern for high density VLSI networks. In this paper the
closed form delay model for current mode signalling in VLSI interconnects has
been proposed with resistive load termination. RLC interconnect line is
modelled using characteristic impedance of transmission line and inductive
effect. The inductiv... | 1412.7818v1 |
2015-03-29 | Edge-channel interferometer at the graphene quantum Hall pn junction | We demonstrate a quantum Hall edge-channel interferometer in a high-quality
graphene pn junction under a high magnetic field. The co-propagating p and n
quantum Hall edge channels traveling along the pn interface functions as a
built-in Aharanov-Bohm-type interferometer, the interferences in which are
sensitive to both... | 1503.08385v1 |
2017-11-16 | Anisotropic magnetic properties of the ferromagnetic semiconductor CrSbSe$_3$ | Single crystals of CrSbSe$_3$, a structurally pseudo-one-dimensional
ferromagnetic semiconductor, were grown using a high-temperature solution
growth technique and were characterized by x-ray diffraction, anisotropic,
temperature- and field-dependent magnetization, temperature-dependent
resistivity and optical absorpti... | 1711.06342v1 |
2018-05-18 | Search for alternative magnetic tunnel junctions based on all-Heusler stacks | By imposing the constraints of structural compatibility, stability and a
large tunneling magneto-resistance, we have identified the
Fe$_3$Al/BiF$_3$/Fe$_3$Al stack as a possible alternative to the
well-established FeCoB/MgO/FeCoB in the search for a novel materials platform
for high-performance magnetic tunnel junction... | 1805.08603v1 |
2019-09-23 | High Throughput Production of Transparent Conductive Single-Walled Carbon Nanotube Films via Advanced Floating Catalyst Chemical Vapor Deposition | Single-walled carbon nanotube (SWCNT) films are promising materials for
transparent conductive films (TCFs) with potential applications in flexible
displays, touch screens, solar cells and solid-state lighting1,2. However,
further reductions in resistivity and in cost of SWCNT films are necessary for
high quality TCF p... | 1909.10189v1 |
2020-03-24 | XUV Induced Bleaching of a Tin Oxo Cage Photoresist Studied by High Harmonic Absorption Spectroscopy | Inorganic molecular materials such as tin oxo cages are a promising
generation of photoresists compatible with the demands of the recently
developed Extreme UltraViolet (EUV) lithography technology. Therefore, a
detailed understanding of the photon-induced reactions which occur in
photoresists after exposure is importa... | 2003.10961v1 |
2017-03-18 | Discovering the Building Blocks of Atomic Systems using Machine Learning | Machine learning has proven to be a valuable tool to approximate functions in
high-dimensional spaces. Unfortunately, analysis of these models to extract the
relevant physics is never as easy as applying machine learning to a large
dataset in the first place. Here we present a description of atomic systems
that generat... | 1703.06236v1 |
2019-06-06 | Modeling the effect of microstructure on elastic wave propagation in platelet-reinforced composites and ceramics | Dense ceramics are irreplaceable in applications requiring high mechanical
stiffness, chemical and temperature resistance and low weight. To improve their
toughness, ceramics can be reinforced with elongated inclusions. Recent
manufacturing strategies have been developed to control the orientations of
disc-like micro-p... | 1906.02582v1 |
2020-08-28 | Tunnel magnetoresistance in scandium nitride magnetic tunnel junctions using first principles | The magnetic tunnel junction is a cornerstone of spintronic devices and
circuits, providing the main way to convert between magnetic and electrical
information. In state-of-the-art magnetic tunnel junctions, magnesium oxide is
used as the tunnel barrier between magnetic electrodes, providing a uniquely
large tunnel mag... | 2008.12770v1 |
2020-11-07 | Thickness-dependent quantum transport of Weyl fermions in ultra-high-quality SrRuO3 films | The recent observation of Weyl fermions in the itinerant 4d ferromagnetic
perovskite SrRuO3 points to this material being a good platform for exploring
novel physics related to a pair of Weyl nodes in epitaxial heterostructures. In
this letter, we report the thickness-dependent magnetotransport properties of
ultra-high... | 2011.03670v1 |
2021-05-11 | Exploring the Correlation between Solvent Diffusion and Creep Resistance of Mg-Ga HCP Alloys from High Throughput Liquid-Solid Diffusion Couple | The liquid-solid diffusion couple technique, supported by phenomenological
analysis and nano-indentation tests, is proposed on account of the relatively
low melting points of Mg to explore the diffusion mobility and creep
deformation. The potential of this strategy is demonstrated in Mg-Ga hcp alloys
where Ga solute (i... | 2105.05096v1 |
2021-08-30 | Out-of-Plane Resistance Switching of 2D Bi2O2Se at Nanoscale | 2D bismuth oxyselenide (Bi2O2Se) with high electron mobility shows great
potential for nanoelectronics. Although in-plane properties of Bi2O2Se have
been widely studied, its out-ofplane electrical transport behavior remains
elusive, despite its importance in fabricating devices with new functionality
and high integrati... | 2108.13240v1 |
2004-07-07 | Properties of MgB2 thin films with carbon doping | We have studied structural and superconducting properties of MgB2 thin films
doped with carbon during the hybrid physical-chemical vapor deposition process.
A carbon-containing metalorganic precursor bis(cyclopentadienyl)magnesium was
added to the carrier gas to achieve carbon doping. As the amount of carbon in
the fil... | 0407146v1 |
2006-01-30 | Growth of high quality large area MgB2 thin films by reactive evaporation | We report a new in-situ reactive deposition thin film growth technique for
the production of MgB2 thin films which offers several advantages over all
existing methods and is the first deposition method to enable the production of
high-quality MgB2 films for real-world applications. We have used this growth
method, whic... | 0601669v1 |
2017-03-27 | Machining of Spherical Component Fabricated by Selected Laser Melting, Part II: Application of Ti in Biomedical | Ti and Ti-Based alloys have unique properties such as high strength, low
density and excellent corrosion resistance. These properties are essential for
the manufacture of lightweight and high strength components for biomedical
applications. In this paper, Ti properties such as metallurgy, mechanical
properties, surface... | 1703.10045v1 |
2021-10-28 | Analysis of Prospective Elements and Crystal Lattice Structures via Computer Algorithms to Identify Standard Temperature Pressure (STP) Superconductors | Superconductors have the potential to revolutionize technology due to their
ability to have zero electrical resistance. However, superconductor materials
require either low temperatures or high pressures to function in a
superconductive state. Thus, researchers are now on the search for the
first-ever room temperature,... | 2110.15201v1 |
2022-07-28 | Pressure induced 3D strain in 2D Graphene | Two-dimensional (2D) materials such as graphene offer a variety of
outstanding properties for a wide range of applications. Their transport
properties in particular present a rich field of study. However, the studies of
transport properties of graphene under pressure are mostly limited to $\sim$1
GPa, largely due to th... | 2207.14183v1 |
2023-07-12 | The Collaborative Effects of Intrinsic and Extrinsic Impurities in Low RRR SRF Cavities | The superconducting radio-frequency (SRF) community has shown that
introducing certain impurities into high-purity niobium can improve quality
factors and accelerating gradients. We question why some impurities improve RF
performance while others hinder it. The purpose of this study is to
characterize the impurity prof... | 2307.06259v1 |
2023-02-15 | An experimental high-throughput to high-fidelity study towards discovering Al-Cr containing corrosion-resistant compositionally complex alloys | Compositionally complex alloys hold the promise of simultaneously attaining
superior combinations of properties, such as corrosion resistance,
light-weighting, and strength. Achieving this goal is a challenge due in part
to a large number of possible compositions and structures in the vast alloy
design space. High-thro... | 2302.07988v2 |
2021-04-06 | In-situ dispersion of electrospun nanofibers in PDMS for fabrication of high strength, transparent nanocomposites | The polymer nanocomposites find applications in diverse areas ranging from
smart materials to bioengineering. They are developed by dispersion of
nanomaterials in a bulk phase of a polymeric material. Although several methods
facilitate efficient dispersion of nanomaterials in a bulk polymer matrix to
create nanocompos... | 2104.02418v1 |
2022-04-12 | Bayesian optimization with experimental failure for high-throughput materials growth | A crucial problem in achieving innovative high-throughput materials growth
with machine learning and automation techniques, such as Bayesian optimization
(BO) and robotic experimentation, has been a lack of an appropriate way to
handle missing data due to experimental failures. Here, we propose a new BO
algorithm that ... | 2204.05452v1 |
2023-08-30 | Target tests for the ILC positron source Talk presented at the International Workshop on Future Linear Colliders (LCWS2023) | The positron source is an essential component of the International Linear
Collider (ILC) and is an area that poses some design challenges. One
consideration is the material for the target, where the 1014 positrons per
second for the ILC are generated. The potential material would need to be able
to resist the high load... | 2308.15916v1 |
2019-08-16 | Ab initio phonon transport across grain boundaries in graphene using machine learning based on small dataset | Establishing the structure-property relationship for grain boundaries (GBs)
is critical for developing next generation functional materials, but has been
severely hampered due to its extremely large configurational space. Atomistic
simulations with low computational cost and high predictive power are strongly
desirable... | 1909.02386v3 |
2022-02-18 | Synergism between B and Nb improves fire resistance in microalloyed steels | The development of new fire-resistant steels represents a challenge in
materials science and engineering of utmost importance. Alloying elements such
as Nb and Mo are generally used to improve the strength at both room- and
high-temperatures due to, for example, the formation of precipitates and harder
microconstituent... | 2202.09197v1 |
2020-07-28 | Good Practice Guide on the electrical characterization of graphene using non-contact and high-throughput methods | The electrical characterisation of graphene, either in plane sheets or in
properly geometrised form can be approached using non-contact methods already
employed for thin film materials. The extraordinary thinness (and,
correspondingly, the volume) of graphene, however, makes the proper application
of these methods diff... | 2007.14047v1 |
2020-12-08 | The Competing Effect of Initial Crack Depth Versus Chemical Strengthening Parameters on Apparent Fracture Toughness of Sodium Aluminosilicate Glass | The widespread use of sodium aluminosilicate glass in many engineering
applications due to its mechanical and optical properties (transparency,
dielectric, etc.), has become common in recent years. However, glass, a brittle
material, has its vulnerability to fracture. Processes such as heat treatment
(heat tempering) o... | 2012.04732v1 |
2021-04-07 | Ultra-Thin Lubricant-Infused Vertical Graphene Nanoscaffolds for High-Performance Dropwise Condensation | Lubricant-infused surfaces (LIS) are highly efficient in repelling water and
constitute a very promising family of materials for condensation processes
occurring in a broad range of energy applications. However, the performance of
LIS in such processes is limited by the inherent thermal resistance imposed by
the thickn... | 2104.03091v1 |
2023-07-24 | Large negative magnetoresistance and pseudogap phase in superconducting A15-type La$_4$H$_{23}$ | High pressure plays a crucial role in the field of superconductivity.
Compressed hydride superconductors are leaders in the race for a material that
can conduct electricity without resistance at high or even room temperature. In
the present work, we have discovered new lanthanum superhydride, cubic A15-type
La$_4$H$_{2... | 2307.13067v3 |
2019-07-04 | Contact Engineering High Performance n-Type MoTe2 Transistors | Semiconducting MoTe2 is one of the few two-dimensional (2D) materials with a
moderate band gap, similar to silicon. However, this material remains
under-explored for 2D electronics due to ambient instability and predominantly
p-type Fermi level pinning at contacts. Here, we demonstrate unipolar n-type
MoTe2 transistors... | 1907.02587v1 |
2011-03-11 | Optimized fabrication of high quality La0.67Sr0.33MnO3 thin films considering all essential characteristics | In this article, an overview of the fabrication and properties of high
quality La0.67Sr0.33MnO3 (LSMO) thin films is given. A high quality LSMO film
combines a smooth surface morphology with a large magnetization and a small
residual resistivity, while avoiding precipitates and surface segregation. In
literature, typic... | 1103.2267v1 |
2022-10-24 | Nanomolding of Metastable Mo$_{4}$P$_{3}$ | Reduced dimensionality leads to emergent phenomena in quantum materials and
there is a need for accelerated materials discovery of nanoscale quantum
materials in reduced dimensions. Thermomechanical nanomolding is a rapid
synthesis method that produces high quality single-crystalline quantum
nanowires with controlled d... | 2210.13392v1 |
2024-02-02 | Nano-ironing van der Waals Heterostructures Towards Electrically Controlled Quantum Dots | Assembling two-dimensional van der Waals layered materials into
heterostructures is an exciting development that sparked the discovery of rich
correlated electronic phenomena and offers possibilities for designer device
applications. However, resist residue from fabrication processes is a major
limitation. Resulting di... | 2402.01185v1 |
2024-02-13 | Plasma-wall interaction in laser inertial fusion reactors: novel proposals for radiation tests of first wall materials | Dry-wall laser inertial fusion (LIF) chambers will have to withstand strong
bursts of fast charged particles which will deposit tens of kJ m$^{-2}$ and
implant more than 10$^{18}$ particles m$^{-2}$ in a few microseconds at a
repetition rate of some Hz. Large chamber dimensions and resistant
plasma-facing materials mus... | 2402.10235v1 |
2002-03-25 | Photo-response of the conductivity in functionalized pentacene compounds | We report the first investigation of the photo-response of the conductivity
of a new class of organic semiconductors based on functionalized pentacene.
These materials form high quality single crystals that exhibit a thermally
activated resistivity. Unlike pure pentacene, the functionalized derivatives
are readily solu... | 0203522v1 |
2016-04-19 | Tuning the work function in transition metal oxides and their heterostructures | The development of novel functional materials in experimental labs combined
with computer-based compound simulation brings the vision of materials design
on a microscopic scale continuously closer to reality. For many applications
interface and surface phenomena rather than bulk properties are key. One of the
most fund... | 1604.05615v1 |
2020-04-15 | Featureless adaptive optimization accelerates functional electronic materials design | Electronic materials exhibiting phase transitions between metastable states
(e.g., metal-insulator transition materials with abrupt electrical resistivity
transformations) are challenging to decode. For these materials, conventional
machine learning methods display limited predictive capability due to data
scarcity and... | 2004.07365v2 |
2022-11-08 | Extraordinary magnetometry -- a review on extraordinary magnetoresistance | Extraordinary magnetoresistance (EMR) is a geometric magnetoresistance effect
occurring in hybrid devices consisting of a high-mobility material joined by a
metal. The change in resistance can exceed 107% at room temperature when a
magnetic field of 5 T is applied. Magnetic field sensors based on EMR hold the
potential... | 2211.04308v1 |
2015-07-24 | Measurements of the Rate Capability of Various Resistive Plate Chambers | Resistive Plate Chambers (RPCs) exhibit a significant loss of efficiency for
the detection of particles, when subjected to high particle fluxes. This rate
limitation is related to the usually high resistivity of the resistive plates
used in their construction. This paper reports on measurements of the
performance of th... | 1507.06968v2 |
2006-06-17 | Elastomeric carbon nanotube circuits for local strain sensing | We use elastomeric polydimethylsiloxane substrates to strain single-walled
carbon nanotubes and modulate their electronic properties, with the aim of
developing flexible materials that can sense local strain. We demonstrate
micron-scale nanotube devices that can be cycled repeatedly through strains as
high as 20% while... | 0606463v1 |
2007-06-12 | Very large spontaneous electric polarization in BiFeO3 single crystals at room temperature and its evolution under cycling fields | Electric polarization loops are measured at room temperature on highly pure
BiFeO3 single crystals synthesized by a flux growth method. Because the
crystals have a high electrical resistivity, the resulting low leakage currents
allow us to measure a large spontaneous polarization reaching 100
microC.cm^{-2}, a value ne... | 0706.1681v1 |
2008-04-23 | Giant Carrier Mobility in Single Crystals of FeSb2 | We report the giant carrier mobility in single crystals of FeSb2. Nonlinear
field dependence of Hall resistivity is well described with the two-carrier
model. Maximum mobility values in high mobility band reach ~10^5 cm^2/Vs at 8
K, and are ~10^2 cm^2/Vs at the room temperature. Our results point to a class
of material... | 0804.3625v1 |
2011-01-30 | Thermodynamics of second phase conductive filaments | We present a theory of second phase conductive filaments in phase
transformable systems; applications include threshold switches, phase change
memory, and shunting in thin film structures. We show that the average filament
parameters can be described thermodynamically. In agreement with the published
data, the predicte... | 1101.5737v2 |
2012-08-30 | Calculation of thermal parameters of SiGe microbolometers | The thermal parameters of a SiGe microbolometer were calculated using
numerical modeling. The calculated thermal conduction and thermal response time
are in good agreement with the values found experimentally and range between
2x10$^-7$ and 7x10$^-8$ W/K and 1.5 and 4.5 ms, respectively. High sensitivity
of microbolome... | 1208.6147v1 |
2022-02-22 | Superconductivity and weak anti-localization in nodal-line semimetal SnTaS_2 | Topological semimetals with superconducting properties provide an emergent
platform to explore the properties of topological superconductors. We report
magnetization, and magneto-transport measurements on high quality single
crystals of transition metal dichalcogenide SnTaS2. It is a nodal line
semimetal with supercond... | 2202.10711v1 |
2020-05-07 | HVDC Surface Flashover in Compressed Air for Various Dielectrics | This study measures the voltage at which flashover occurs in compressed air
for a variety of dielectric materials and lengths in a uniform field for DC
voltages up to 100 kV. Statistical time lag is recorded and characterized,
displaying a roughly exponential dependence on breakdown voltage. Of the
materials tested, ac... | 2006.12615v2 |
2023-07-30 | Non-Equilibrium Nature of Fracture Determines the Crack Paths | A high-fidelity neural network-based force field, NN-F$^{3}$, is developed to
cover the strain states up to material failure and the non-equilibrium,
intermediate nature of fracture. Simulations of fracture in 2D crystals using
NN-F$^{3}$ reveal spatial complexities from lattice-scale kinks to sample-scale
patterns. We... | 2307.16126v1 |
2004-09-30 | Scaling theory of magneto-resistance in disordered local moment ferromagnets | We present a scaling theory of magneto-transport in Anderson-localized
disordered ferromagnets. Within our framework a pronounced
magnetic-field-sensitive resistance peak emerges naturally for temperatures
near the magnetic phase transition. We find that the resistance anomaly is a
direct consequence of the change in l... | 0410003v2 |
2009-02-08 | Pulse width controlled resistivity switching at room temperature in Bi0.8Sr0.2MnO3 | We report pulsed as well as direct current/voltage induced electroresistance
in Bi0.8Sr0.2MnO3 at room temperature. It is shown that bi-level and
multi-level resistivity switching can be induced by a sequence of pulses of
varying pulse width at fixed voltage amplitude. Resistivity increases abruptly
(= 55 % at 300 K) u... | 0902.1281v1 |
2010-01-05 | Mechanism for bipolar resistive switching in transition metal oxides | We introduce a model that accounts for the bipolar resistive switching
phenomenom observed in transition metal oxides. It qualitatively describes the
electric field-enhanced migration of oxygen vacancies at the nano-scale. The
numerical study of the model predicts that strong electric fields develop in
the highly resis... | 1001.0703v1 |
2011-05-19 | Nonvolatile bipolar resistive switching in Au/BiFeO3/Pt | Nonvolatile bipolar resistive switching has been observed in an Au/BiFeO3/Pt
structure, where a Schottky contact and a quasi-Ohmic contact were formed at
the Au/BiFeO3 and BiFeO3/Pt interface, respectively. By changing the polarity
of the external voltage, the Au/BiFeO3/Pt is switched between two stable
resistance stat... | 1105.3827v1 |
2011-07-30 | Polaronic transport in the ferromagnetic phase of Gd1-xCaxBaCo2O5.53 | Temperature dependent electrical resistivity and thermopower measurements
were carried out on Gd1-xCaxBaCo2O5.53 with x varying between 0 and 0.25. Ca
subsitution leads to the incorporation of holes (Co4+) into the system that
leads to a reduction in resistivity and a stabilisation of the ferromagnetic
phase at low tem... | 1108.0059v1 |
2017-06-20 | Scaling of the Hall effects beyond the quantum resistance threshold in oxidized CoFeB | The ordinary and the extraordinary Hall effects were studied in gradually
oxidized amorphous CoFeB ferromagnets over six orders of resistivity from the
metallic to the strongly insulating regime. Polarity of the extraordinary Hall
effect reverses, and the amplitude of both the ordinary and the extraordinary
Hall effect... | 1706.06392v1 |
2016-03-11 | Measurement of the $B_{1g}$ and $B_{2g}$ components of the elastoresistivity tensor for tetragonal materials via transverse resistivity configurations | The elastoresistivity tensor $m_{ij,kl}$ relates changes in resistivity to
strains experienced by a material. As a fourth-rank tensor, it contains
considerably more information about the material than the simpler (second-rank)
resistivity tensor; in particular, for a tetragonal material, the $B_{1g}$ and
$B_{2g}$ compo... | 1603.03537v1 |
2017-04-13 | Low temperature physical properties of Co-35Ni-20Mo-10Cr alloy MP35N | Multiphase Co-35Ni-20Mo-10Cr alloy MP35N is a high strength alloy with
excellent corrosion resistance. Its applications span chemical, medical, and
food processing industries. Thanks to its high modulus and high strength, it
found applications in reinforcement of ultra-high field pulsed magnets.
Recently, it has also b... | 1704.04275v1 |
2024-02-20 | Molten Salt Flux Liquid Transport Method for Ultra Clean Single Crystals UTe2 | Various single crystal growth techniques are presented for the unconventional
superconductor UTe2. The molten salt flux liquid transport (MSFLT) method is
employed to grow high-quality and large single crystals, exhibiting a high
residual resistivity ratio (RRR = 200-800). On the other hand, the Te self-flux
and chemic... | 2402.12740v2 |
2023-12-29 | Bilayer Vanadium Dioxide Thin Film with Elevated Transition Temperatures and High Resistance Switching | Despite widespread interest in the phase-change applications of vanadium
dioxide (VO$_2$), the fabrication of high-quality VO$_2$ thin films with
elevated transition temperatures (TIMT) and high Insulator-Metal-Transition
resistance switching still remains a challenge. This study introduces a
two-step atmospheric oxida... | 2312.17437v1 |
2024-01-31 | Spark Plasma Sintering for high-speed diffusion welding of the ultrafine grained near-a Ti-5Al-2V alloy with high strength and corrosion resistance for nuclear engineering | The paper demonstrates the prospects of Spark Plasma Sintering (SPS) for the
high-speed diffusion welding of the high-strength ultrafine-grained (UFG)
near-a Ti-5Al-2V alloy. The effect of increased diffusion welding intensity in
the UFG Ti alloys is discussed also. The welds of the UFG near-a-Ti-5Al-2V
alloy obtained ... | 2401.17718v1 |
2018-01-29 | Memristor properties of high temperature superconductors | The review of studies on memristive properties or effect of resistive
switchings in four classes of high temperature superconductors is presented in
order to reveal functional properties of HTSCs which become apparent in the
effects under discussion, prospects of usage of high temperature
superconductors based memristo... | 1801.09428v1 |
2016-03-07 | Prediction of a Two-dimensional Phosphorus Nitride Monolayer | Today, 2D semiconductor materials have been extended into the nitrogen group:
phosphorene, arsenene, antimonene and even nitrogene. Motivated by them, based
upon first-principles density functional calculations, we propose a new
two-dimensional phosphorus nitride (PN) structure that is stable well above the
room temper... | 1603.01957v2 |
2023-04-12 | Crack-free high composition (>35%) thick (>30 nm) barrier AlGaN/AlN/GaN HEMT on sapphire with record low sheet resistance | In this article, high composition (>35%) thick (>30 nm) barrier AlGaN/AlN/GaN
HEMT structure grown on a sapphire substrate with ultra-low sheet resistivity
(<250 \Omega / \Box ) is reported. Optimization of growth conditions, such as
reduced growth rate, low carbon incorporation, and thickness optimization of
different... | 2304.05593v1 |
2015-02-06 | Long-term stability of phase-separated Half-Heusler compounds | Half-Heusler (HH) compounds have shown high Figure of merits up to 1.5. The
key to these high thermoelectric efficiencies is an intrinsic phase separation,
which occurs in multicomponent Half-Heusler compounds and leads to an
significantly reduction of the thermal conductivity. For commercial
applications, compatible n... | 1502.01828v1 |
2020-08-12 | Helium effects and bubbles formation in irradiated Ti3SiC2 | Ti3SiC2 is a potential structural material for nuclear reactor applications.
However, He irradiation effects in this material are not well understood,
especially at high temperatures. Here, we compare the effects of He irradiation
in Ti3SiC2 at room temperature (RT) and at 750 {\deg}C. Irradiation at 750
{\deg}C was fo... | 2008.05468v1 |
2023-09-05 | Control of Mechanical and Fracture Properties in Two-phase Materials Reinforced by Continuous, Irregular Networks | Composites with high strength and high fracture resistance are desirable for
structural and protective applications. Most composites, however, suffer from
poor damage tolerance and are prone to unpredictable fractures. Understanding
the behavior of materials with an irregular reinforcement phase offers
fundamental guid... | 2309.01888v1 |
2020-01-21 | Mechanical behavior, enhanced dc resistivity, energy band gap and high temperature magnetic properties of Y-substituted Mg-Zn ferrites | We report the synthesis of Y-substituted Mg-Zn ferrites using conventional
standard ceramic technique. XRD patterns confirm the single phase cubic spinel
structure up to x = 0.03 and appearance of a secondary phase of YFeO3for higher
Y contents. FESEM images depict the distribution of grains and EDS spectra
confirmed t... | 2001.07313v1 |
2023-01-07 | Impact of Severe Plastic Deformation on Kinetics and Thermodynamics of Hydrogen Storage in Magnesium and Its Alloys | Magnesium and its alloys are the most investigated materials for solid-state
hydrogen storage in the form of metal hydrides, but there are still unresolved
problems with the kinetics and thermodynamics of hydrogenation and
dehydrogenation of this group of materials. Severe plastic deformation (SPD)
methods, such as equ... | 2301.05009v1 |
2021-07-26 | Massive electrons and unconventional room-temperature superconductivity in superhydrides | The search for room-temperature superconducting materials has been at the
center of modern research for decades. The recent discovery of high-temperature
superconductivity, under extreme pressure in hydrogen-rich materials, is a
tremendous achievement in this research front. This discovery offers a route in
the search ... | 2107.12255v1 |
2010-04-21 | Superconductor-insulator quantum phase transition | The current understanding of the superconductor-insulator transition is
discussed level by level in a cyclic spiral-like manner. At the first level,
physical phenomena and processes are discussed which, while of no formal
relevance to the topic of transitions, are important for their implementation
and observation; the... | 1004.3761v1 |
2016-03-30 | Butterfly Magnetoresistance, Quasi-2D Dirac Fermi Surfaces, and a Topological Phase Transition in ZrSiS | Magnetoresistance (MR), the change of a material's electrical resistance in
response to an applied magnetic field, is a technologically important property
that has been the topic of intense study for more than a quarter century. Here
we report the observation of an unusual "butterfly" shaped titanic angular
magnetoresi... | 1603.09318v2 |
2020-08-27 | Large-Scale and Robust Multifunctional Vertically-Aligned MoS$_2$ Photo-Memristors | Memristive devices have drawn considerable research attention due to their
potential applications in non-volatile memory and neuromorphic computing. The
combination of resistive switching devices with light-responsive materials is
considered a novel way to integrate optical information with electrical
circuitry. On the... | 2008.11950v1 |
2002-08-15 | High Ferromagnetic Transition Temperature (172K) in Mn delta-doped GaAs with p-type Selective Doping | We have found high ferromagnetic transition temperature in Mn delta-doped
GaAs-based heterostructures grown on GaAs(001) substrates by molecular beam
epitaxy. A 0.3 ML Mn d-doped GaAs samples showed high resistivity at low
temperature and did not show a ferromagnetic behavior. However, in a
selectively doped heterostru... | 0208299v1 |
2013-10-30 | Large, high quality single-crystals of the new Topological Kondo Insulator, SmB6 | SmB6 has recently been predicted to be a Topological Kondo Insulator, the
first strongly correlated heavy fermion material to exhibit topological surface
states. High quality crystals are necessary to investigate the topological
properties of this material. Single crystal growth of the rare earth
hexaboride, SmB6, has ... | 1310.8189v1 |
2019-11-05 | Metal$/BaTiO_{3}/β-Ga_{2}O_{3}$ Dielectric Heterojunction Diode with 5.7 MV/cm Breakdown Field | Wide and ultra-wide band gap semiconductors can provide excellent performance
due to their high energy band gap, which leads to breakdown electric fields
that are more than an order of magnitude higher than conventional silicon
electronics. In materials where p-type doping is not available, achieving this
high breakdow... | 1911.02068v1 |
2009-03-17 | In search for the superconducting spin-switch: Magnetization induced resistance switching effects in La$_{0.67}$Sr$_{0.33}$MnO$_3$/YBa$_2$Cu$_3$O$_{7-δ}$ bi- and trilayers | We have studied the influence of the magnetization on the superconducting
transition temperature ($T_c$) in bi- and trilayers consisting of the
half-metallic ferromagnet La$_{0.67}$Sr$_{0.33}$MnO$_3$ (LSMO) and the
high-temperature superconductor YBa$_2$Cu$_3$O$_{7-\delta}$ (YBCO). We have
made use of tilted epitaxial ... | 0903.2993v1 |
2016-12-13 | Bad Metals from Fluctuating Density Waves | Bad metals have a large resistivity without being strongly disordered. In
many bad metals the Drude peak moves away from zero frequency as the
resistivity becomes large at increasing temperatures. We catalogue the position
and width of the `displaced Drude peak' in the observed optical conductivity of
several families ... | 1612.04381v5 |
2017-03-11 | On the isotope effect in compressed superconducting H$_\textrm{3}$S and D$_\textrm{3}$S | A maximum superconductive transition temperature $T_\textrm{C}$ = 203.5 K has
recently been reported for a sample of the binary compound tri-hydrogen sulfide
(H$_\textrm{3}$S) prepared at high pressure and with room temperature
annealing. Measurements of $T_\textrm{C}$ for H$_\textrm{3}$S and its deuterium
counterpart ... | 1703.04034v1 |
2019-07-17 | Quasi 2-D magnetism in the Kagome layer compound FeSn | Single crystals of the single Kagome layer compound FeSn are investigated
using x-ray and neutron scattering, magnetic susceptibility and magnetization,
heat capacity, resistivity, Hall, Seebeck, thermal expansion, thermal
conductivity measurements and density functional theory (DFT). FeSn is a planar
antiferromagnet b... | 1907.07719v1 |
2019-06-25 | Spin-split band hybridization in graphene proximitized with $α$-RuCl$_3$ nanosheets | Proximity effects induced in the 2D Dirac material graphene potentially open
access to novel and intriguing physical phenomena. Thus far, the coupling
between graphene and ferromagnetic insulators has been experimentally
established. However, only very little is known about graphene's interaction
with antiferromagnetic... | 1906.10405v1 |
2020-01-17 | A back-end, CMOS compatible ferroelectric Field Effect Transistor for synaptic weights | Neuromorphic computing architectures enable the dense co-location of memory
and processing elements within a single circuit. This co-location removes the
communication bottleneck of transferring data between separate memory and
computing units as in standard von Neuman architectures for data-critical
applications inclu... | 2001.06475v1 |
2020-05-16 | Switching friction at a manganite surface using electric fields | We report active control of the friction force at the contact between a
nanoscale asperity and a La$_{0.55}$Ca$_{0.45}$MnO$_3$ (LCMO) thin film using
electric fields. We use friction force microscopy under ultrahigh vacuum
conditions to measure the friction force as we change the film resistive state
by electric field-... | 2005.08949v1 |
2020-08-17 | Enhancement of spin Hall conductivity in W-Ta alloy | Generating pure spin currents via the spin Hall effect in heavy metals has
been an active topic of research in the last decade. In order to reduce the
energy required to efficiently switch neighbouring ferromagnetic layers for
applications, one should not only increase the charge- to-spin conversion
efficiency but also... | 2008.07572v1 |
2020-12-23 | Resistivity, Hall effect, and anisotropic superconducting coherence lengths of HgBa$_2$CaCu$_2$O$_{6+δ}$ thin films with different morphology | Thin films of the high-temperature superconductor
HgBa$_2$CaCu$_2$O$_{6+\delta}$ have been prepared on SrTiO$_3$ substrates by
pulsed-laser deposition of precursor films and subsequent annealing in
mercury-vapor atmosphere. The microstructural properties of such films can vary
considerably and have been analyzed by x-r... | 2012.12539v1 |
2021-05-03 | Fingerprints of quantum criticality in locally resolved transport | Understanding electrical transport in strange metals, including the seeming
universality of Planckian $T$-linear resistivity, remains a longstanding
challenge in condensed matter physics. We propose that local imaging
techniques, such as nitrogen vacancy center magnetometry, can locally identify
signatures of quantum c... | 2105.01075v4 |
2022-06-16 | Size-Dependent Grain Boundary Scattering in Topological Semimetals | We assess the viability of topological semimetals for application in advanced
interconnect technology, where conductor size is on the order of a few
nanometers and grain boundaries are expected to be prevalent. We investigate
the electron transport properties and grain boundary scattering in thin films
of the topologic... | 2206.08214v2 |
2023-03-06 | Thermal hysteretic behavior and negative magnetoresistance in an unusual charge-density-wave material EuTe4 | EuTe4 is a newly-discovered van der Waals material exhibiting a novel
charge-density wave (CDW) with a large thermal hysteresis in the resistivity
and CDW gap. In this work, we systematically study the electronic structure and
transport properties of EuTe4 using high-resolution angle-resolved
photoemission spectroscopy... | 2303.02848v1 |
2023-05-10 | Doubling of the superconducting transition temperature in ultra-clean wafer-scale aluminum nanofilms | Superconducting properties of thin films can be vastly different from those
of bulk materials. Seminal work has shown the critical temperature Tc of
elemental superconductors decreases with decreasing film thickness when the
normal-state sheet resistance is lower than the quantum resistance h/(4e2).
Sporadic examples o... | 2305.06084v1 |
1999-06-17 | Anomalous c-axis charge dynamics in copper oxide materials | Within the t-J model, the c-axis charge dynamics of the copper oxide
materials in the underdoped and optimally doped regimes is studied by
considering the incoherent interlayer hopping. It is shown that the c-axis
charge dynamics is mainly governed by the scattering from the in-plane
fluctuation. In the optimally doped... | 9906260v2 |
2001-07-04 | Crystal Growth and Characterization of Doped CZT Crystals | Cd1-xZnxTe crystals with x in the range of 0.1-0.2 were grown by the
high-pressure vertical Bridgman method from pre-synthesized CZT. Resistive
graphite heaters were used to control the temperature profiles within the
furnaces, and an argon overpressure was used to reduce the cadmium loss. The
crystals were doped with ... | 0107081v1 |
2007-05-29 | Sliding charge density wave in manganites | The so-called stripe phase of the manganites is an important example of the
complex behaviour of metal oxides, and has long been interpreted as the
localisation of charge at atomic sites. Here, we demonstrate via resistance
measurements on La_{0.50}Ca_{0.50}MnO_3 that this state is in fact a
prototypical charge density... | 0705.4310v2 |
2009-02-23 | Superconductivity at 22.3 K in SrFe2-xIrxAs2 | By substituting the Fe with the 5d-transition metal Ir in SrFe2As2, we have
successfully synthesized the superconductor SrFe2-xIrxAs2 with Tc = 22.3 K at x
= 0.5. X-ray diffraction indicates that the material has formed the
ThCr2Si2-type structure with a space group I4/mmm. The temperature dependence
of resistivity and... | 0902.3957v2 |
2009-09-07 | SiC Graphene Suitable For Quantum Hall Resistance Metrology | We report the first observation of the quantum Hall effect in epitaxial
graphene. The result described in the submitted manuscript fills the yawning
gap in the understanding of the electronic properties of this truly remarkable
material and demonstrate suitability of the silicon carbide technology for
manufactiring lar... | 0909.1193v1 |
2010-07-07 | Unusual Resistance Hysteresis in n-Layer Graphene Field Effect Transistors Fabricated on Ferroelectric Pb(Zr_0.2Ti_0.8)O_3 | We have fabricated n-layer graphene field effect transistors on epitaxial
ferroelectric Pb(Zr_0.2Ti_0.8)O_3 (PZT) thin films. At low gate voltages, PZT
behaves as a high-k dielectric with k up to 100. An unusual resistance
hysteresis occurs in gate sweeps at high voltages, with its direction opposite
to that expected f... | 1007.1240v1 |
2011-01-15 | Theory of anomalous Hall effect for type-II high-Tc and conventional superconductors | The anomalous Hall effect for type-II superconductors is investigated by
random walk theorem. It is shown that the origin of Hall anomaly is induced by
the thermally activated vortex bundle flow (TAVBF) over the
directional-dependent energy barrier formed by the Magus force, random
collective pinning force, and strong ... | 1101.2943v1 |
2011-12-08 | Circuit Modeling of Tunneling Real-Space Transfer Transistors: Toward Terahertz Frequency Operation | High frequency operation of tunneling real-space transfer transistor (TRSTT)
in the negative differential resistance (NDR) regime is assessed by calculating
the device common source unity current gain frequency (fT) range with a small
signal equivalent circuit model including tunneling. Our circuit model is based
on an... | 1112.1980v1 |
2013-01-24 | Spin transport parameters in metallic multilayers determined by ferromagnetic resonance measurements of spin pumping | We measured spin transport in nonferromagnetic (NM) metallic multilayers from
the contribution to damping due to spin pumping from a ferromagnetic Co90Fe10
thin film. The multilayer stack consisted of NM1/NM2/Co90Fe10(2 nm)/NM2/NM3
with varying NM materials and thicknesses. Using conventional theory for one
dimensional... | 1301.5861v1 |
2014-11-01 | Manipulating electronic states at oxide interfaces using focused micro X-rays from standard lab-sources | Recently, x-ray illumination, using synchrotron radiation, has been used to
manipulate defects, stimulate self-organization and to probe their structure.
Here we explore a method of defect-engineering low-dimensional systems using
focused laboratory-scale X-ray sources. We demonstrate an irreversible change
in the cond... | 1411.0177v1 |
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