publicationDate stringlengths 1 2.79k | title stringlengths 1 36.5k ⌀ | abstract stringlengths 1 37.3k ⌀ | id stringlengths 9 47 |
|---|---|---|---|
2018-04-13 | Significant enhancement of magneto-optical effect in one-dimensional photonic crystals with magnetized epsilon-near-zero defect | Nonreciprocal (NOR) transmission with magneto-optical materials plays a
critical role in a broad range of applications, such as optical isolation,
all-optical signal processing, and integrated photonic circuits. The underlying
mechanism is that a static magnetic field can break the time-reversal symmetry
in the presenc... | 1804.04805v1 |
2018-11-08 | Sensitivity enhancement for a light axion dark matter search with magnetic material | The sensitivity of experimental searches for axion dark matter coupled to
photons is typically proportional to the strength of the applied static
magnetic field. We demonstrate how a permeable material can be used to enhance
the magnitude of this static magnetic field, and therefore improve the
sensitivity of such sear... | 1811.03231v1 |
2019-03-11 | Exchange-enhanced Ultrastrong Magnon-Magnon Coupling in a Compensated Ferrimagnet | The ultrastrong coupling of (quasi-)particles has gained considerable
attention due to its application potential and richness of the underlying
physics. Coupling phenomena arising due to electromagnetic interactions are
well explored. In magnetically ordered systems, the quantum-mechanical
exchange-interaction should f... | 1903.04330v2 |
2019-05-12 | Peculiarities of the Faraday effect in gold-nanodisk/iron-garnet heterostructures | In this paper, matters considering the immersion of gold nanoparticles inside
a magnetic medium are investigated experimentally and theoretically. Three
samples with periodic arrays of Au cylinders where studied: particles on a
surface of the magnetic dielectric film, inside the magnetic film and directly
under the mag... | 1905.04697v1 |
2020-11-12 | Experimental parameters, combined dynamics, and nonlinearity of a Magnonic-Opto-Electronic Oscillator (MOEO) | We report the construction and characterization of a comprehensive
magnonic-opto-electronic oscillator (MOEO) system based on 1550-nm photonics
and yttirum iron garnet (YIG) magnonics. The system exhibits a rich and
synergistic parameter space because of the ability to control individual
photonic, electronic, and magno... | 2011.06155v1 |
2021-11-08 | A model for coupled $4f-3d$ magnetic spectra: a neutron scattering study of the Yb$-$Fe hybridisation in Yb$_3$Fe$_5$O$_{12}$ | In this work, we explore experimentally and theoretically the spectrum of
magnetic excitations of the Fe$^{3+}$ and Yb$^{3+}$ ions in ytterbium iron
garnet (Yb$_3$Fe$_5$O$_{12}$). We present a complete description of the
crystal-field splitting of the $4f$ states of Yb$^{3+}$, including the effect
of the exchange field... | 2111.04707v1 |
2022-03-29 | Simulating challenging correlated molecules and materials on the Sycamore quantum processor | Simulating complex molecules and materials is an anticipated application of
quantum devices. With strong quantum advantage demonstrated in artificial
tasks, we examine how such advantage translates into modeling physical problems
of correlated electronic structure. We simulate static and dynamical electronic
structure ... | 2203.15291v1 |
2023-05-04 | Effective rectification of THz electromagnetic fields in a ferrimagnetic iron garnet | It is found that single-cycle THz electromagnetic fields efficiently excite a
GHz spin resonance mode in ferrimagnetic Tm$_3$Fe$_5$O$_{12}$, despite the near
absence of GHz spectral components in the exciting THz pulse. By analyzing how
the efficiency of excitation depends on the orientation and strength of the THz
ele... | 2305.02971v1 |
2023-05-14 | An ab initio correction vector restricted active space approach to the L-edge XAS and 2p3d RIXS spectra of transition metal clusters | We describe an ab initio approach to simulate L-edge X-ray absorption (XAS)
and 2p3d resonant inelastic X-ray scattering (RIXS) spectroscopies. We model
the strongly correlated electronic structure within a restricted active space
and employ a correction vector formulation instead of sum-over-states
expressions for the... | 2305.08184v2 |
2023-10-03 | Optical excitation of multiple standing spin modes in 3D optomagnonic nanocavities | We report the first experimental observation of multiple standing spin modes
in 3D optomagnonic nanocavity formed by nanometer-sized iron-garnet
nanocylinder. We show that launching of standing spin modes is achieved due to
a high confinement of the optically generated effective magnetic field caused
by the localized o... | 2310.01974v1 |
2023-11-27 | Coherent control of photomagnetic back-switching by double-pump laser pulses | The control of nonthermal, all-optical magnetization switching under the
regime with an independent state of laser polarization opens up new
opportunities for ultrafast magnetic recording. Here, we investigate the
photo-magnetic back-switching capabilities of the write and erase magnetic
domain pattern using double-pum... | 2311.16336v2 |
2023-12-20 | Non-equilibrium criticality at the onset of time-crystalline order in $O(N)$ models | We explore the phase transitions at the onset of time-crystalline order in
$O(N)$ models driven out-of-equilibrium. The spontaneous breaking of time
translation symmetry and its Goldstone mode are captured by an effective
description with $O(N)\times SO(2)$ symmetry. Using the renormalization group
and the $\epsilon=4-... | 2312.13372v1 |
2020-12-17 | Identifying the origin of the non-monotonic thickness dependence of spin-orbit torques and interfacial Dzyaloshinskii-Moriya interaction in a ferrimagnetic insulator heterostructure | Electrical manipulation of magnetism via spin-orbit torques (SOTs) promises
efficient spintronic devices. In systems comprising magnetic insulators and
heavy metals, SOTs have started to be investigated only recently, especially in
systems with interfacial Dzyaloshinskii-Moriya interaction (iDMI). Here, we
quantitative... | 2012.09358v1 |
2022-08-29 | Machine Learning guided high-throughput search of non-oxide garnets | Garnets, known since the early stages of human civilization, have found
important applications in modern technologies including magnetorestriction,
spintronics, lithium batteries, etc. The overwhelming majority of
experimentally known garnets are oxides, while explorations (experimental or
theoretical) for the rest of ... | 2208.13742v1 |
2014-11-03 | The symmetry and magnetoelectric effects in garnet crystals and films | The magnetoelectricity of garnets is considered by means of a symmetry and
quantum mechanical combined analysis. It is shown, that the magnetoelectric
effect is not realized in most garnets although the necessary condition of the
crystal magnetic structure antisymmetry in them is held at low temperatures.
Nevertheless,... | 1411.0384v1 |
2019-06-02 | Structural and Magnetic Properties of Er3Fe5-xAlxO12 Garnets | Er3Fe5-xAlxO12 (0.0 < x < 0.8) garnets were prepared by ball milling and
sintering at 1300 C. Rietveld refinement of the samples revealed a garnet
structure with Ia3d symmetry. The lattice parameter, cell volume, X-ray density
and magnetization of the prepared garnets decreased with the increase of Al
content (x). The ... | 1906.00405v1 |
2021-11-23 | Enhancement of functional properties of V$_{0.6}$Ti$_{0.4}$ alloy superconductor by the addition of yttrium | We show here that the yttrium is immiscible and precipitates with various
sizes in the body centred cubic V$_{0.6}$Ti$_{0.4}$ alloy superconductor. The
number and size of the precipitates are found to depend on the amount of
yttrium added. Precipitates with various sizes up to 30~$\mu$m are found in the
V$_{0.6}$Ti$_{0... | 2111.11670v1 |
2007-01-26 | Stoichiometry of Electrostatic Complexes Determined by Light Scattering | We report on the electrostatic complexation between oppositely charged
polymers and inorganic nanoparticles investigated by static and dynamical light
scattering. The nanoparticles put under scrutiny were citrate-coated
nanocrystals of cerium oxide (CeO2, nanoceria), of iron oxide (Fe2O3,
maghemite) and of europium-dop... | 0701662v1 |
2011-05-11 | s-Processing in the Galactic Disk. I. Super-Solar Abundances of Y, Zr, La, Ce in Young Open Clusters | In a recent study, based on homogeneous barium abundance measurements in open
clusters, a trend of increasing [Ba/Fe] ratios for decreasing cluster age was
reported. We present here further abundance determinations, relative to four
other elements hav- ing important s-process contributions, with the aim of
investigatin... | 1105.2208v1 |
2014-02-17 | Neutron-Capture Nucleosynthesis in the First Stars | Recent studies suggest that metal-poor stars enhanced in carbon but
containing low levels of neutron-capture elements may have been among the first
to incorporate the nucleosynthesis products of the first generation of stars.
We have observed 16 stars with enhanced carbon or nitrogen using the MIKE
Spectrograph on the ... | 1402.4144v1 |
2016-04-19 | The Solar Twin Planet Search III. The [Y/Mg] clock: estimating stellar ages of solar-type stars | Solar twins are stars with similar stellar (surface) parameters to the Sun
that can have a wide range of ages. This provide an opportunity to analyze the
variation of their chemical abundances with age. Nissen (2015) recently
suggested that the abundances of the s-process element Y and the
$\alpha$-element Mg could be ... | 1604.05733v1 |
2019-08-13 | Heavy-metal enrichment in the intermediate He-sdOB pulsator Feige 46 | The intermediate He-enriched hot subdwarf star Feige 46 was recently reported
as the second member of the V366 Aqr (or He-sdOBV) pulsating class. Feige 46 is
very similar to the prototype of the class, LS IV$-$14116, not only in terms of
pulsational properties, but also in terms of atmospheric parameters and
kinematic ... | 1908.04587v1 |
2021-04-19 | Magnetic coupling in Y$_3$Fe$_5$O$_{12}$/Gd$_3$Fe$_5$O$_{12}$ heterostructures | Ferrimagnetic Y$_3$Fe$_5$O$_{12}$ (YIG) is the prototypical material for
studying magnonic properties due to its exceptionally low damping. By
substituting the yttrium with other rare earth elements that have a net
magnetic moment, we can introduce an additional spin degree of freedom. Here,
we study the magnetic coupl... | 2104.09592v1 |
2024-02-09 | Signatures of Nuclear Isomers in Gamma-Ray Bursts from Binary Neutron Star Mergers | Neutron star mergers are astrophysical `gold mines,' synthesizing over half
of the elements heavier than iron through rapid neutron capture
nucleosynthesis. The observation of the binary neutron star merger GW170817,
detected both in gravitational waves and electromagnetic radiation, marked a
breakthrough. One electrom... | 2402.06498v1 |
2021-03-30 | Enormous Berry-Curvature-Driven Anomalous Hall Effect in Topological Insulator (Bi,Sb)2Te3 on Ferrimagnetic Europium Iron Garnet beyond 400 K | To realize the quantum anomalous Hall effect (QAHE) at elevated temperatures,
the approach of magnetic proximity effect (MPE) was adopted to break the
time-reversal symmetry in the topological insulator (Bi0.3Sb0.7)2Te3 (BST)
based heterostructures with a ferrimagnetic insulator europium iron garnet
(EuIG) of perpendic... | 2103.16487v4 |
2008-01-17 | Towards the theory of ferrimagnetism | Two-sublattice ferrimagnet, with spin-$s_1$ operators $\bf{S_{1i}}$ at the
sublattice $A$ site and spin-$s_2$ operators $\bf{S_{2i}}$ at the sublattice
$B$ site, is considered. The magnon of the system, the transversal fluctuation
of the total magnetization, is a complicate mixture of the transversal
fluctuations of th... | 0801.2651v1 |
2013-11-07 | Linear Response Theory for the Density Matrix Renormalization Group: Efficient Algorithms for Strongly Correlated Excited States | Linear response theory for the density matrix renormalization group
(DMRG-LRT) was first presented in terms of the DMRG renormalization projectors
[Dorando et al., J. Chem. Phys. 130, 184111 (2009)]. Later, with an
understanding of the manifold structure of the matrix product state (MPS)
ansatz, which lies at the basis... | 1311.1646v1 |
2016-07-10 | Origin of Fe3+ in Fe-containing, Al-free Mantle Silicate Perovskite | We have studied the ferrous (Fe2+) and ferric (Fe3+) iron concentrations in
Al-free Fe containing Mg-silicate perovskite (Mg-Pv) at pressure (P),
temperature (T), and oxygen fugacity (fO2) conditions related to the lower
mantle using a thermodynamic model based on ab-initio calculations. We consider
the oxidation react... | 1607.02777v1 |
2017-05-24 | Deficiency of the Bulk Spin Hall Effect Model for Spin-Orbit Torques in Magnetic Insulator/Heavy Metal Heterostructures | Electrical currents in a magnetic insulator/heavy metal heterostructure can
induce two simultaneous effects, namely, spin Hall magnetoresistance (SMR) on
the heavy metal side and spin-orbit torques (SOTs) on the magnetic insulator
side. Within the framework of the pure spin current model based on the bulk
spin Hall eff... | 1705.08919v1 |
2018-02-09 | TMOKE as efficient tool for the magneto-optic analysis of ultra-thin magnetic films | Ultra-thin magnetic dielectric films are of prime importance due to their
applications for nanophotonics and spintronics. Here, we propose an efficient
method for the magneto-optical investigation of ultra-thin magnetic films which
allows one to access their state of magnetization and magneto-optical
properties. It is ... | 1802.04111v1 |
2018-02-23 | Pure spin currents in magnetically ordered insulator/normal metal heterostructures | Pure spin currents, i.e. the transport of angular momentum without an
accompanying charge current, represent a new, promising avenue in modern
spintronics from both a fundamental and an application point of view. Such pure
spin currents can not only flow in electrical conductors via mobile charge
carriers, but also in ... | 1802.08479v1 |
2018-05-14 | Optically Pumped Floquet States of Magnetization in Ferromagnets | Floquet states have been subject of great research interest since
Zel'dovich's pioneering work on the quasienergy of a quantum system subject to
a temporally periodic action. Nowadays periodic modulation of the system
Hamiltonian is mostly achieved by microwaves leading to novel exciting
phenomena in condensed matter p... | 1805.05822v1 |
2018-08-08 | Low rank representations for quantum simulation of electronic structure | The quantum simulation of quantum chemistry is a promising application of
quantum computers. However, for N molecular orbitals, the $\mathcal{O}(N^4)$
gate complexity of performing Hamiltonian and unitary Coupled Cluster Trotter
steps makes simulation based on such primitives challenging. We substantially
reduce the ga... | 1808.02625v2 |
2019-04-15 | Topological Hall effect at above room temperature in heterostructures composed of a magnetic insulator and a heavy metal | Non-volatile memory and computing technology rely on efficient read and write
of ultra-tiny information carriers that do not wear out. Magnetic skyrmions are
emerging as a potential carrier since they are topologically robust nanoscale
spin textures that can be manipulated with ultralow current density. To date,
most o... | 1904.07107v1 |
2019-06-17 | Interfacial Dzyaloshinskii-Moriya interaction and chiral magnetic textures in a ferrimagnetic insulator | The interfacial Dzyaloshinskii-Moriya interaction (DMI) in multilayers of
heavy metal and ferromagnetic metals enables the stabilization of novel chiral
spin structures such as skyrmions. Magnetic insulators, on the other hand can
exhibit enhanced dynamics and properties such as lower magnetic damping and
therefore it ... | 1906.07142v3 |
2019-08-18 | Electron g-factor engineering for non-reciprocal spin photonics | We study the interplay of electron and photon spin in non-reciprocal
materials. Traditionally, the primary mechanism to design non-reciprocal
photonic devices has been magnetic fields in conjunction with magnetic oxides,
such as iron garnets. In this work, we present an alternative paradigm that
allows tunability and r... | 1908.06393v2 |
2020-09-25 | Temperature dependence of the damping parameter in the ferrimagnet Gd$_3$Fe$_5$O$_{12}$ | The damping parameter ${\alpha}_{\text{FM}}$ in ferrimagnets defined
according to the conventional practice for ferromagnets is known to be strongly
temperature dependent and diverge at the angular momentum compensation
temperature, where the net angular momentum vanishes. However, recent
theoretical and experimental d... | 2009.12073v2 |
2021-02-13 | Accumulation and control of spin waves in magnonic dielectric microresonators by a comb of ultrashort laser pulses | Spin waves in magnetic microresonators are at the core of modern magnonics.
Here we demonstrate a new method of tunable excitation of different spin wave
modes in magnetic microdisks by using a train of laser pulses coming at a
repetition rate higher than the decay rate of spin precession. The microdisks
are etched in ... | 2102.07021v4 |
2021-07-14 | Sublattice spin reversal and field induced $Fe^{3+}$ spin-canting across the magnetic compensation temperature in $Y_{1.5}Gd_{1.5}Fe_{5}O_{12}$ rare-earth iron garnet | In the present work $Fe^{3+}$ sublattice spin reversal and $Fe^{3+}$
spin-canting across the magnetic compensation temperature ($T_{Comp}$) are
demonstrated in polycrystalline $Y_{1.5}Gd_{1.5}Fe_{5}O_{12}$ (YGdIG) by means
of in-field $^{57}Fe$ M$\ddot{o}$ssbauer spectroscopy measurements.
Corroborating in-field $^{57}... | 2107.06508v3 |
2022-11-30 | Unconventional spin dynamics in the non-collinear phase of a ferrimagnet | Ferrimagnets containing several partially compensated magnetic sublattices
are considered the most promising materials for all-optical data storage and
for ultrafast communications based on spin waves. There are two magnetic phases
of the ferrimagnets: collinear and non-collinear ones. Up to now spin dynamics
in ferrim... | 2212.00085v2 |
2023-01-27 | Field-free switching of perpendicular magnetization in an ultrathin epitaxial magnetic insulator | For energy efficient and fast magnetic memories, switching of perpendicular
magnetization by the spin-orbit torque (SOT) appears as a very promising
solution, even more using magnetic insulators that suppress electrical
shunting. This SOT switching generally requires the assistance of an in-plane
magnetic field to brea... | 2301.11469v1 |
2023-11-16 | Ultrafast all-optical toggle writing of magnetic bits without relying on heat | While in accordance with Curie's principle, one would intuitively expect that
symmetry of the cause has to be found in the symmetry of the effect, ultrafast
excitation of matter is able to violate this principle. For instance, it is
believed that heating alone, obviously not having the symmetry of a magnetic
field, can... | 2311.10173v2 |
2012-01-16 | Fluorine abundances in dwarf stars of the solar neighbourhood | In spite of many observational efforts aiming to characterize the chemical
evolution of our Galaxy, not much is known about the origin of fluorine (F).
Models suggest that the F found in the Galaxy might have been produced mainly
in three different ways, namely, Type II supernovae, asymptotic giant branch
nucleosynthes... | 1201.3193v1 |
2016-11-05 | Discovery of a variable lead-rich hot subdwarf: UVO 0825+15 | UVO0825+15 is a hot bright helium-rich subdwarf which lies in {\it K2} Field
5 and in a sample of intermediate helium-rich subdwarfs observed with {\it
Subaru/HDS}. The {\it K2} light curve shows low-amplitude variations, whilst
the {\it Subaru} spectrum shows Pb{\sc iv} absorption lines, indicative of a
very high lead... | 1611.01616v1 |
2009-08-24 | Enhancement in transition temperature and critical current density of CeO0.8F0.2FeAs by yttrium doping | We report significant enhancement in superconducting properties of yttrium
substituted Ce1-xYxOFFeAs superconductors. The polycrystalline samples were
prepared by two step solid state reaction technique. X-ray diffraction
confirmed tetragonal ZrCuSiAs structure with decrease in both a and c lattice
parameters on increa... | 0908.3372v1 |
2016-10-23 | Development of Yttrium alloy ion source and its application in nanofabrication | We present a new YAuSi Liquid Metal Alloy Ion Source (LMAIS), generating
focused ion beams of yttrium ions, and its prospective applications for
nanofabrication, sample preparation, lithographic and implantation processes.
Working parameters of the AuSiY LMAIS are similar to other gold-silicon based
LMAIS. We found ano... | 1610.07166v1 |
2020-04-02 | Synthesis and $\textit{in-situ}$ characterization of photochromic yttrium oxyhydride grown by reactive $e^-$-beam evaporation | We report on controlled growth of photochromic yttrium oxyhydride thin films
monitored by $\textit{in-situ}$ composition depth profiling. Films were grown
by reactive $e^-$-beam evaporation and subsequently oxidized, while
simultaneously tracking the oxygen and hydrogen concentrations. Sample
composition and photochrom... | 2004.01093v2 |
2006-07-06 | Electronic Structure and Electron-Phonon Interaction in Hexagonal Yttrium | To understand the pressure-induced changes in the electronic structure and
the electron-phonon interaction in yttrium, we have studied hexagonal
close-packed (hcp) yttrium, stable at ambient pressure and double hexagonal
close-packed (dhcp) yttrium, stable up to around 44 GPa, using
density-functional-based methods. Ou... | 0607176v3 |
2004-02-24 | Frustrated Ising model on the garnet lattice | We investigate a frustrated Ising spin system on the garnet lattice composed
of a specific network of corner-sharing triangles. By means of Monte Carlo
simulations with the heat bath algorithm, we discuss the magnetic properties at
finite temperatures. It is shown that the garnet spin system with the
nearest-neighbor c... | 0402604v1 |
2009-09-25 | The magnetic properties of the Garnet and glass forms of Mn3Al2Si3O12 | The magnetic susceptibilities and specific heats of the crystalline garnet
and glass forms of Mn3Al2Si3O12 are reported. This allows a direct comparison
of the degree of magnetic frustration of the triangle-based garnet lattice and
the structurally disordered solid at the same composition for isotropic spin
5/2 Mn^2+ (... | 0909.4720v1 |
2021-04-30 | Current-Induced Magnetization Control in Insulating Ferrimagnetic Garnets | The research into insulating ferrimagnetic garnets has gained enormous
momentum in the past decade. This is partly due to the improvement in the
techniques to grow high-quality ultrathin films with desirable properties and
the advances in understanding the spin transport within the ferrimagnetic
garnets and through the... | 2104.14819v1 |
2017-06-19 | A Large-Diameter Hollow-Shaft Cryogenic Motor Based on a Superconducting Magnetic Bearing for Millimeter-Wave Polarimetry | In this paper we present the design and measured performance of a novel
cryogenic motor based on a superconducting magnetic bearing (SMB). The motor is
tailored for use in millimeter-wave half-wave plate (HWP) polarimeters, where a
HWP is rapidly rotated in front of a polarization analyzer or
polarization-sensitive det... | 1706.05963v3 |
2020-07-16 | The heavy-elements heritage of the falling sky | Recent dynamical analysis based on Gaia data have revealed major accretion
events in Milky Way's history. Nevertheless, our understanding of the
primordial Galaxy is hindered because the bona fide identification of the most
metal-poor and correspondently oldest accreted stars remains challenging.
Contrary to alpha-elem... | 2007.08313v1 |
2024-01-16 | Formation of yttrium oxalate phase filled by carbon clusters on the surface of yttrium oxide films | In the current paper, we report the results of surface modification of cubic
Y2O3 films employing carbon-ion implantation. The characterization results
demonstrate the formation of a stable yttrium oxalate-based structure with
cavities filled with carbon clusters. Theoretical simulations demonstrate that
the incorporat... | 2401.08459v1 |
2017-08-25 | Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films | Magnetic insulators (MIs) attract tremendous interest for spintronic
applications due to low Gilbert damping and absence of Ohmic loss. Magnetic
order of MIs can be manipulated and even switched by spin-orbit torques (SOTs)
generated through spin Hall effect and Rashba-Edelstein effect in heavy
metal/MI bilayers. SOTs ... | 1708.07584v2 |
2020-08-21 | Experimental determination of ferric iron partitioning between pyroxene and melt at 100KPa | Pyroxene is the principal host of Fe$^{3+}$ in basalt source regions, hosting
79 and 81% of the Fe$^{3+}$ in spinel and garnet lherzolite, respectively, with
opx and cpx hosting 48% and 31%, respectively, of the total Fe$^{3+}$ in spinel
peridotite. To better understand partitioning of Fe$^{3+}$ between pyroxene and
me... | 2008.09296v1 |
2022-07-28 | Low-temperature nanoscale heat transport in a gadolinium iron garnet heterostructure probed by ultrafast x-ray diffraction | Time-resolved x-ray diffraction has been used to measure the low-temperature
thermal transport properties of a Pt/Gd3Fe5O12//Gd3Ga5O12 metal/oxide
heterostructure relevant to applications in spin caloritronics. A pulsed
femtosecond optical signal produces a rapid temperature rise in the Pt layer,
followed by heat trans... | 2207.14409v1 |
2023-08-14 | Temperature Evolution of Magnon Propagation Length in Tm$_3$Fe$_5$O$_{12}$ Thin Films: Roles of Magnetic Anisotropy and Gilbert Damping | The magnon propagation length ($\langle\xi\rangle$) of a ferro/ferrimagnet
(FM) is one of the key factors that controls the generation and propagation of
thermally-driven spin current in FM/heavy metal (HM) bilayer based
spincaloritronic devices. Theory predicts that for the FM layer,
$\langle\xi\rangle$ is inversely p... | 2308.07236v3 |
2017-09-20 | Static Magnetization Properties Of AL800 Garnet Material | A second harmonic tunable RF cavity is being developed for the Fermilab
Booster. This device, which promises reduction of the particle beam loss at the
injection, transition, and extraction stages, employs perpendicularly biased
garnet material for frequency tuning. The required range of the tuning is
significantly wid... | 1709.07050v1 |
2018-01-07 | Aluminum and Gallium Distribution in the Lu3(Al5-xGax)O12:Ce Multicomponent Garnet Scintillators Investigated by the Solid-State NMR and DFT calculations | Distribution of aluminum and gallium atoms over the tetrahedral and
octahedral sites in the garnet structure was studied in the mixed
Lu3Al5-xGaxO12 crystals using the 27Al and 71Ga MAS NMR together with the
single crystal 71Ga NMR. The experimental study was accompanied by theoretical
calculations based on the density... | 1801.02223v1 |
2006-07-23 | Prediction of Superconductivity at ~ 30 K in Compressed Body-Centered Cubic Yttrium | Using ab initio methods, we have studied the electron-phonon interaction in
compressed, body-centered cubic (bcc) yttrium, which is predicted to be stable
at 280 GPa [Melsen et al, Phys. Rev. B 48, 15574 (1993)]. We find that
compressed, bcc yttrium has a large electron-phonon coupling with lambda=1.8,
leading to a sup... | 0607588v2 |
2018-12-16 | Yttrium-substituted Mg-Zn ferrites: correlation of physical properties with Yttrium content | Yttrium (Y) substituted Mg Zn ferrites with the compositions of
Mg0.5Zn0.5YxFe2 xO4 have been synthesized by conventional standard ceramic
technique. The effect of Y3+ substitution on the structural, electrical,
dielectric and magnetic properties of Mg Zn ferrites has been studied. | 1812.06370v2 |
2015-06-23 | Atomic-scale investigation of creep behavior in nanocrystalline Mg and Mg-Y alloys | Magnesium (Mg) and its alloys offer great potential for reducing vehicular
mass and energy consumption due to their inherently low densities.
Historically, widespread applicability has been limited by low strength
properties compared to other structural Al-, Ti- and Fe-based alloys. However,
recent studies have demonst... | 1506.07149v1 |
2011-02-11 | Discovery of Yttrium, Zirconium, Niobium, Technetium, and Ruthenium Isotopes | Currently, thirty-four yttrium, thirty-five zirconium, thirty-four niobium,
thirty-five technetium, and thirty-eight ruthenium isotopes have been observed
and the discovery of these isotopes is discussed here. For each isotope a brief
synopsis of the first refereed publication, including the production and
identificati... | 1102.2381v1 |
2002-02-17 | Faraday rotation and sensitivity of (100) bismuth-substituted ferrite garnet films | We have investigated the Faraday rotation of in-plane magnetized bismuth -
substituted ferrite garnet films grown by liquid phase epitaxy on (100)
oriented gadolinium gallium garnet substrates. The Faraday spectra were
measured for photon energies between 1.7 - 2.6 eV. To interprete the spectra,
we use a model based on... | 0202281v1 |
2008-01-22 | On the Crystallization of Terbium Aluminium Garnet | Attempts to grow terbium aluminium garnet (Tb3Al5O12, TAG) by the Czochralski
method lead to crystals of millimeter scale. Larger crystals could not be
obtained. DTA measurements within the binary system showed that TAG melts
incongruently at 1840 deg. C. The perovskite (TbAlO3, TAP) with a congruent
melting point of 1... | 0801.3317v1 |
2018-06-21 | Magnetic Properties of Lithium-Containing Rare Earth Garnets Li3RE3Te2O12 (RE = Y, Pr, Nd, Sm-Lu) | The synthesis, structural description, temperature dependent magnetic
susceptibilities and field dependent magnetizations of a series of rare earth
garnets of the form Li3RE3Te2O12 (RE = Y, La, Pr, Nd, Sm-Lu) are reported. The
structure of Li3Dy3Te2O12 is refined from powder X-ray diffraction data. The
field dependent ... | 1806.08399v1 |
2023-10-02 | Stuffed Rare Earth Garnets | We report the synthesis and magnetic characterization of stuffed rare earth
gallium garnets, RE3+xGa5-xO12 (RE=Lu, Yb, Er, Dy, Gd), for x up to 0.5. The
excess rare earth ions partly fill the octahedral sites normally fully occupied
by Ga3+, forming disordered pairs of corner-shared face-sharing magnetic
tetrahedra. Th... | 2310.01606v1 |
2017-07-21 | Sensitivity of magnetic properties to chemical pressure in lanthanide garnets $Ln_3A_2X_3\text{O}_{12}$, $Ln$ = Gd, Tb, Dy, Ho, $A$ = Ga, Sc, In, Te, $X$ = Ga, Al, Li | A systematic study of the structural and magnetic properties of
three-dimensionally frustrated lanthanide garnets $Ln_3A_2X_3\text{O}_{12}$,
$Ln$ = Gd, Tb, Dy, Ho, $A$ = Ga, Sc, In, Te, $X$ = Ga, Al, Li is presented.
Garnets with $Ln$ = Gd show magnetic behaviour consistent with isotropic
Gd$^{3+}$ spins; no magnetic o... | 1707.06730v1 |
2019-02-18 | Ionic conductivity enhacements and low temperature synthesis of Li7La3Zr2O12 garnets by Bi aliovalent substitutions | We report on a novel approach to synthesize cubic-phase fast ionic conducting
garnet-type solid state electrolytes based on Bi doped Li7La3Zr2O12 (LLZO). Bi
aliovalent substitution into LLZO utilizing the Pechini processing method is
successfully employed to synthesize Li7-xLa3Zr2-xBixO12 compounds. Ionic
conductivitie... | 1902.06831v1 |
2021-12-21 | Garnet pyroxenites explain high electrical conductivity in the East African deep lithosphere | A large contrast in electrical conductivity has been observed within the
lithospheric mantle between the Tanzanian craton and the Mozambique belt at
depths > 70 km. Such contrasts are typically attributed to changes in volatiles
and/or melt content, with changes in mineralogy deemed insufficient to impact
conductivity.... | 2112.11559v1 |
2022-01-30 | GARNET: Reduced-Rank Topology Learning for Robust and Scalable Graph Neural Networks | Graph neural networks (GNNs) have been increasingly deployed in various
applications that involve learning on non-Euclidean data. However, recent
studies show that GNNs are vulnerable to graph adversarial attacks. Although
there are several defense methods to improve GNN robustness by eliminating
adversarial components... | 2201.12741v6 |
1998-09-02 | Nonlocal electrical conductivity coefficient sigma sub-k | A nonlocal functional is used to calculate superconducting properties of
barium yttrium copper oxide. | 9809047v1 |
2007-03-22 | First Principles Study on the Formation of Yttrium Nitride in Cubic and Hexagonal Phases | We have studied the formation of yttrium nitride in which the Y-atoms were
arranged in two common close-packed stacking: The AB-stacking (hcp-symmetry) is
the ground state of metallic yttrium; while the ABC-stacking (fcc-symmetry) is
the ground state of yttrium nitride. Given the different symmetries between YN
and Y, ... | 0703568v2 |
2007-09-26 | Off-line studies of the laser ionization of yttrium at the IGISOL facility | A laser ion source is under development at the IGISOL facility, Jyvaskyla, in
order to address deficiencies in the ion guide technique. The key elements of
interest are those of a refractory nature, whose isotopes and isomers are
widely studied using both laser spectroscopic and high precision mass
measurement techniqu... | 0709.4129v1 |
2020-07-08 | Experimental evidence for orthorhombic Fddd crystal structure in elemental yttrium above 100 GPa | We present electrical resistance measurements of elemental yttrium on bulk
and film samples, and both exhibit superconductivity at very high pressures. We
show that the pressure dependence of the superconducting transition temperature
above 100 GPa is in good agreement with the predicted Fddd phase by Chen et al.
[Phys... | 2007.03969v2 |
2022-08-10 | Synthesis and Superconductivity in Yttrium-Cerium Hydrides at Moderate Pressures | Inspired by the high critical temperature in yttrium superhydride and the low
stabilized pressure in superconducting cerium superhydride, we carry out four
independent runs to synthesize yttrium-cerium alloy hydrides. The phases
examined by the Raman scattering and x-ray diffraction measurements. The
superconductivity ... | 2208.05191v1 |
2023-05-11 | Reactive pulsed direct current magnetron sputtering deposition of semiconducting yttrium oxide thin film in ultralow oxygen atmosphere: A spectroscopic and structural investigation of growth dynamics | An experimental investigation was conducted to explore spectroscopic and
structural characterization of semiconducting yttrium oxide thin film deposited
at 623 K (+/- 5K) utilizing reactive pulsed direct current magnetron
sputtering. Based on the results obtained from both x-ray diffraction and
transmission electron mi... | 2305.06757v1 |
2020-01-15 | Terahertz response of gadolinium gallium garnet (GGG) and gadolinium scandium gallium garnet (SGGG) | We report the magneto-optical response of Gadolinium Gallium Garnet (GGG) and
Gadolinium Scandium Gallium Garnet (SGGG) at frequencies ranging from $300 \,
\mathrm{GHz}$ to $1 \, \mathrm{THz}$, and determine the material response
tensor. Within this frequency window, the materials exhibit nondispersive and
low-loss opt... | 2001.05085v1 |
2021-09-16 | GarNet: A Continuous Robot Vision Approach for Predicting Shapes and Visually Perceived Weights of Garments | We present a Garment Similarity Network (GarNet) that learns geometric and
physical similarities between known garments by continuously observing a
garment while a robot picks it up from a table. The aim is to capture and
encode geometric and physical characteristics of a garment into a manifold
where a decision can be... | 2109.07831v3 |
2023-06-20 | Erbium-excess gallium garnets | A series of garnets of formula Er3+xGa5-xO12 is described, for which we
report the crystal structures for both polycrystalline and single-crystal
samples. The x limit in the garnet phase is between 0.5 and 0.6 under our
conditions, with the Er fully occupying the normal garnet site plus
half-occupying the octahedral si... | 2306.11854v1 |
2009-01-05 | Crystal structure of synthetic Mg3Cr2Si3O12, the high-pressure Cr end-member of the knorringite-pyrope garnet series | Knorringite, the Cr-end-member of the pyrope garnet series (Nixon et al.
1968), often occur in high proportions in kimberlite garnets and is thus used
for tracing high-pressure deep-earth conditions favorable to the formation of
diamonds, in which knorringite-rich garnet can occur as inclusions. However,
although the s... | 0901.0476v1 |
2021-07-26 | The Gaia-ESO Survey: A new approach to chemically characterising young open clusters II. Abundances of the neutron-capture elements Cu, Sr, Y, Zr, Ba, La, and Ce | Young open clusters (t<200 Myr) have been observed to exhibit several
peculiarities in their chemical compositions, from a slightly sub-solar iron
content, super-solar abundances of some atomic species (e.g. ionised chromium),
and atypical enhancements of [Ba/Fe], with values up to +0.7 dex. Regarding the
behaviour of ... | 2107.12381v1 |
2019-06-20 | Chemical Compositions of Field and Globular Cluster RR~Lyrae Stars: II. omega Centauri | We present a detailed spectroscopic analysis of RR Lyrae (RRL) variables in
the globular cluster NGC 5139 (omega Cen). We collected optical (4580-5330 A),
high resolution (R = 34,000), high signal-to-noise ratio (200) spectra for 113
RRLs with the multi-fiber spectrograph M2FS at the Magellan/Clay Telescope at
Las Camp... | 1906.08550v1 |
2024-01-13 | Iron role paradox in nerve degeneration and regeneration | Iron accumulates in the neural tissue during peripheral nerve degeneration.
Some studies have already been suggested that iron facilitates Wallerian
degeneration (WD) events such as Schwann cell de-differentiation. On the other
hand, intracellular iron levels remain elevated during nerve regeneration and
gradually decr... | 2401.07016v1 |
2011-11-04 | Exchange-correlation effects in the monoclinic to tetragonal phase stabilization of Yttrium-doped ZrO2: a first-principles approach | We describe, within an ab-initio approach, the stabilization of the
tetragonal phase vs. the monoclinic one in Yttrium-doped Zirconia. The process
is believed to be influenced from different mechanisms. Indeed we show that
there is a delicate balance between the change in electrostatic and kinetic
energy and exchange-c... | 1111.1147v2 |
2014-01-29 | Thermodynamic properties of yttrium cuprate | The standard formation enthalpy and enthalpy from binary oxide of yttrium
cuprate have been determined by solution calorimetry combining the solution
enthalpies of Y2Cu2O5 and Y2O3 + 2CuO mixture in 6 M HCl at 323.15 K and
literature data. The heat capacity of Y2Cu2O5 has been measured by adiabatic
calorimetry from 8 u... | 1401.7422v1 |
2015-12-23 | Coupling of erbium dopants to yttrium orthosilicate photonic crystal cavities for on-chip optical quantum memories | Erbium dopants in crystals exhibit highly coherent optical transitions well
suited for solid-state optical quantum memories operating in the telecom band.
Here we demonstrate coupling of erbium dopant ions in yttrium orthosilicate to
a photonic crystal cavity fabricated directly in the host crystal using focused
ion be... | 1512.07389v1 |
2006-09-26 | Genetic Regulation of Fluxes: Iron Homeostasis of Escherichia coli | Iron is an essential trace-element for most organisms. However, because high
concentration of free intracellular iron is cytotoxic, cells have developed
complex regulatory networks that keep free intracellular iron concentration at
optimal range, allowing the incorporation of the metal into iron-using enzymes
and minim... | 0609042v1 |
2020-12-25 | Superconductivity to 262 kelvin via catalyzed hydrogenation of yttrium at high pressures | Room temperature superconductivity has been achieved under high pressure in
an organically derived carbonaceous sulfur hydride with a critical
superconducting transition temperature (Tc) of 288 kelvin. This development is
part of a new class of dense, hydrogen rich materials with remarkably high
critical temperatures. ... | 2012.13627v1 |
2022-07-08 | Synthesis and Superconductivity in yttrium superhydrides under high pressure | The flourishing rare earth superhydrides are a class of recently discovered
materials that possess near-room-temperature superconductivity at high
pressures, opening a new era of superconductivity research at high pressures.
Among these superhydrides, yttrium superhydrides attracted great interest owing
to their abunda... | 2207.03918v1 |
2023-08-15 | Theoretical Study of Inelastic Processes in Collisions of Y and Y$^+$ with Hydrogen Atom | Utilizing a simplified quantum model approach, the low-energy inelastic
collision processes between yttrium atoms (ions) and hydrogen atoms have been
studied. Rate coefficients corresponding to the mutual neutralization, ion-pair
formation, excitation, and de-excitation processes for the above collision
systems have be... | 2308.07831v1 |
1999-11-01 | First Principles Study of Structural, Electronic and Magnetic Interplay in Ferroelectromagnetic Yttrium Manganite | We present results of local spin density approximation pseudopotential
calculations for the ferroelectromagnet, yttrium manganite (YMnO3). The origin
of the differences between ferroelectric and non-ferroelectric perovskite
manganites is determined by comparing the calculated properties of yttrium
manganite in its ferr... | 9910524v2 |
2003-12-16 | Electronic band structure of novel 18-K superconductor Y2C3 as compared with YC and YC2 | The electronic band structure of yttrium sesquicarbide Y2C3(Pu2C3 structural
type) reported by Akimitsu et al. (2003) as a novel 18-K superconductor is
investigated using the first-principle full-potential LMTO method and compared
with those of yttrium mono- and dicarbide: cubic YC and 4-K superconductor YC2
(CaC2 stru... | 0312391v2 |
2009-03-10 | Effect of the chemical pressure on superconductivity and SDW in undoped and 15%F doped La1-yYyFeAsO compounds | We present a study concerning the partial substitution of yttrium at the
lanthanum site of the undoped LaFeAsO and superconducting LaFeAsO0.85F0.15
compounds. We prepared samples with a nominal yttrium content up to 70%
producing simultaneous shrinkage of both the a- and c-lattice parameters by
1.8% and 1.7%, respectiv... | 0903.1825v2 |
2012-05-18 | Surface oxide on thin films of yttrium hydride studied by neutron reflectometry | The applicability of standard methods for compositional analysis is limited
for H-containing films. Neutron reflectometry is a powerful, non-destructive
method that is especially suitable for these systems due to the large negative
scattering length of H. In this work we demonstrate how neutron reflectometry
can be use... | 1205.4132v1 |
2012-09-24 | Microwave properties of Yttrium Vanadate at cryogenic temperatures | Yttrium Vanadate (YVO4) is a birefringent crystal material used in optical
isolators and circulators with potentials for application in cryogenic
microwave devices. As microwave properties of the YVO4 are not known, we
measured the complex permittivity at the frequency of 25 GHz, using the
Hakki-Coleman dielectric reso... | 1209.5255v1 |
2014-05-02 | Mott insulator-to-metal transition in yttrium-doped CaIrO3 | We report on the study of insulator-to-metal transition in post-perovskite
compound CaIrO3. It is discovered that a gradual chemical substitution of
calcium by yttrium leads to the onset of strong metallic behavior in this
compound. This observation is in stark contrast to BaIrO3, which preserves its
Mott insulating be... | 1405.0512v2 |
2016-09-05 | New insights into the photochromic mechanism in oxygen-containing yttrium hydride thin films: an optical perspective | Oxygen-containing yttrium hydride thin films exhibit a photochromic behavior:
transparent thin films switch from a transparent state to a photodarkened state
after being illuminated with UV or blue light. This feature has attracted much
attention in recent years due to its potential applications in smart
fenestration o... | 1609.01054v1 |
2016-10-26 | Synthesis of photochromic oxygen-containing yttrium hydride | Photochromic oxygen-containing yttrium hydride has been synthesized using a
two step process. The process consists of an initial sputter deposition of
oxygen-free yttrium hydride YH$_\mathrm{x}$, followed by a controlled reaction
with air that causes incorporation of oxygen into the material. An in-situ
study of the YH... | 1610.08263v1 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.