搜索结果: 1-15 共查到“凝聚态物理学 Single”相关记录43条 . 查询时间(0.14 秒)
Exploring the magnetism of a single atom
Exploring the magnetism of a single atom
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2014/6/12
09.05.14 - An EPFL-led research collaboration has shown for the first time the maximum theoretical limit of energy needed to control the magnetization of a single atom. The fundamental work can have g...
Spin current and polarization reversal through a single-molecule magnet with ferromagnetic electrodes
Spin current polarization reversal single-molecule magnet ferromagnetic electrodes
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2012/2/27
We theoretically study the spin-polarized transport through a single-molecule magnet, which is weakly coupled to ferromagnetic leads, by means of the rate-equation approach. We consider both the ferro...
Interplay of antiferromagnetism, ferromagnetism and superconductivity in EuFe_2(As_1-xP_x)_2 single crystals
Interplay of antiferromagnetism ferromagnetism superconductivity
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2010/11/24
We report a systematic study on the influence of antiferromagnetic and ferromagnetic phases of
Eu2+ moments on the superconducting phase upon doping the As site by isovalent P, which acts as
chemica...
Enhancing Ionic Conductivity of Bulk Single Crystal Yttria-Stabilized Zirconia by Tailoring Dopant Distribution
Ionic Conductivity of Bulk Single Crystal Dopant Distribution
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2010/11/19
We present an ab-initio based kinetic Monte Carlo model for ionic conductivity in single crystal yttria-stabilized zirconia. Ionic interactions are taken into account by combining density functional t...
Single crystal growth of BaFe$_{2-x}$Co$_x$As$_2$ without fluxing agent
Single crystal growth fluxing agent
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2010/11/18
We report a simple, reliable method to grow high quality BaFe2−xCoxAs2 single crystal samples
without using any fluxing agent. The starting materials for the single crystal growth come from
we...
Calculation of thermostable directions and the influence of bias electric field on the propagation of the Lamb and SH waves in langasite single crystal plates
Calculation of thermostable directions influence of bias electric field
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2010/11/25
Paper is presented the results of computer simulation. Effect of the dc electric field nfluence on the propagation of Lamb and SH waves and its temperature coefficients of delay in piezoelectric langa...
Giant Stark effect in the emission of single semiconductor quantum dots
Giant Stark effect single semiconductor quantum dots
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2010/11/19
We study the quantum-confined Stark effect in single InAs/GaAs quantum dots embedded within a AlGaAs/GaAs/AlGaAs quantum well. By significantly increasing the barrier height we can observe emission fr...
Determination of the Upper Critical Field of a Single Crystal LiFeAs: The Magnetic Torque Study up to 35 Tesla
iron-based superconductor LiFeAs upper critical field anisotropy
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2010/11/18
We report on the upper critical field Bc2 of a superconducting LiFeAs single crystal with
Tc ∼16K, determined from magnetic torque measurements in dc-magnetic fields up to 35T and
at temperatu...
Spin-Wave Spectrum in `Single-Domain' Magnetic Ground State of Triangular Lattice Antiferromagnet CuFeO2
CuFeO2 spin wave spin frustration inelastic neutron scattering
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2010/11/22
By means of neutron scattering measurements, we have investigated spin-wave excitation in
a collinear four-sublattice (4SL) magnetic ground state of a triangular lattice antiferromagnet
CuFeO2, whic...
Single Crystal Study of Competing Rhombohedral and Monoclinic Order in Lead Zirconate Titanate
Single Crystal Study of Competing Rhombohedral Monoclinic Order Lead Zirconate Titanate
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2010/11/23
Neutron diffraction data obtained on single crystals of PbZr1−xTixO3 with x = 0.325 and x =
0.460, which lie on the pseudorhombohedral side of the morphotropic phase boundary, suggest a
coexis...
Crossover from commensurate to incommensurate antiferromagnetism in stoichiometric NaFeAs revealed by single-crystal 23Na,75As-NMR experiments
NaFeAs NMR incommensurate antiferromagnetism 111-type iron arsenide
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2010/11/18
We report results of 23Na and 75As nuclear magnetic resonance (NMR) experiments on a
self-flux grown high-quality single crystal of stoichiometric NaFeAs. The NMR spectra revealed
a tetragonal to tw...
Single-charge rotating black holes in four-dimensional gauged supergravity
Single-charge black holes four-dimensional gauged supergravity
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2010/12/21
We consider four-dimensional U(1)4 gauged supergravity, and obtain asymptotically AdS4,
non-extremal, charged, rotating black holes with one non-zero U(1) charge. The thermodynamic
quantities are co...
Antiferromagnetic ordering in EuPtGe$_3$ single crystal
EuPtGe3 non-centrosymmetric antiferromagnetism resistivity
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2010/11/25
Magnetic properties of single crystalline EuPtGe3, crystallizing in the non-centrosymmetric BaNiSn3-type crystal strcuture have been studied by means of magnetisation, electrical resistivity, heat cap...
Influence of itinerancy on the magnetic properties of the single crystals of Sr2YRu1-xCuxO6 solid solutions
double perovskite ruthinate XAS valence states
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2010/11/23
X-ray absorption spectroscopy(XAS) Ru L-edge and O K-edge measurements on single crystals of Sr2YRu1-xCuxO6 (x=0.01-0.05) solid solutions show that Cu replaces Ru in the lattice which results in a lat...
Single and two-particle energy gaps across the disorder-driven superconductor-insulator transition
Single two-particle energy gaps disorder-driven superconductor-insulator transition
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2010/11/23
The competition between superconductivity and localization raises profound questions in condensed matter physics. In spite of decades of research, the mechanism of the superconductorinsulator transiti...