搜索结果: 1-15 共查到“理学 antiferromagnetic”相关记录23条 . 查询时间(0.107 秒)
Nanoscale layering of antiferromagnetic and superconducting phases in Rb2Fe4Se5
Nanoscale layering antiferromagnetic superconducting phases Rb2Fe4Se5
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2012/2/27
We studied phase separation in a single-crystalline antiferromagnetic superconductor Rb2Fe4Se5 (RFS) using a combination of scattering-type scanning near-field optical microscopy (s-SNOM) and low-ener...
Antiferromagnetic Potts model on the Erdos-Renyi random graph
Mean field dilute antiferromagnet q-state Potts model interpolation extended variational principle
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2011/7/28
Abstract: We study the antiferromagnetic Potts model on the Erdos-Renyi random graph. By identifying a suitable interpolation structure and proving an extended variational principle we show that the r...
The antiferromagnetic Potts model
Potts model Bethe Ansatz Conformal Field Theory
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2011/1/20
We review the exact results on the various critical regimes of the antiferromagnetic Q-state Potts model. We focus on the Bethe Ansatz approach for generic Q, and describe in each case the effective d...
Antiferromagnetic ordering in the absence of a structural distortion in Ba(Fe{1-x}Mn{x})2As2
Stripe Antiferromagnetic structural distortio
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2010/11/22
Neutron and x-ray diffraction studies of Ba(Fe1−xMnx)2As2 for low doping concentrations (x 6 0.176)reveal that at a critical concentration, 0.102 < x < 0.118, the tetragonal-to orthorhombic tran...
Commensurate antiferromagnetic ordering in Ba(Fe{1-x}Co{x})2As2 determined by x-ray resonant magnetic scattering at the Fe K-edge
Commensurate antiferromagnetic x-ray resonant magnetic Fe K-edge
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2010/11/22
We describe x-ray resonant magnetic diffraction measurements at the FeK-edge of both the parent BaFe2As2 and superconducting Ba(Fe0.953Co0.047)2As2 compounds. From these high-resolution measurements w...
Electronic structure of an antiferromagnetic metal: CaCrO3
Electronic structure antiferromagnetic metal: CaCrO3
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2010/11/19
We report on the electronic structure of the perovskite oxide CaCrO3 using valence-band, corelevel,and Cr 2p − 3d resonant photoemission spectroscopy (PES). Despite its antiferromagnetic order, ...
Giant Magnetoelectric Effect in Antiferromagnetic BaMnO3-δand Its Derivatives
Giant Magnetoelectric Effect Antiferromagnetic BaMnO3-δ Derivatives
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2010/11/19
Hexagonal perovskite 15R-BaMnO2.99 with a ratio of cubic to hexagonal layers of 1/5 in the unit cell is an antiferromagnetic insulator that orders at a Néel temperature TN = 220 K. Here we report stru...
Low-energy spin dynamics in the [YPc2]0 S=1/2 antiferromagnetic chain
Low-energy spin dynamics YPc2]0 S=1/2 antiferromagnetic chain
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2010/11/18
H nuclear magnetic resonance (NMR) measurements in [YPc2]0, an organic compound formed
by radicals stacking along chains, are presented. The temperature dependence of the macroscopic
susceptibility,...
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...
Phase Structure of Anisotropic Antiferromagnetic Heisenberg Model on Layered Triangular Lattice: Spiral State and Deconfined Spin Liquid
Phase Structure Deconfined Spin Liquid
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2010/10/27
In the present paper, we study spin- 1 2 antiferromagnetic (AF) Heisenberg model on layered anisotropic triangular lattice and obtain its phase structure. We use the Schwinger bosons for representing ...
Macroscopic Quantum Coherence in Antiferromagnetic Molecular
Magnets
macroscopic quantum coherence two-sublattice
model antiferromagnetic molecular magnets
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2007/8/15
2001Vol.36No.2pp.245-250DOI:
Macroscopic Quantum Coherence in Antiferromagnetic Molecular
Magnets
HU Hui,1 LÜ Rong,2 ZHU Jia-Lin1,2 and
XIONG Jia-Jiong1
1 Departme...
BCS Ground State and XXZ Antiferromagnetic Model as SU(2),
SU(1,1) Coherent States: An Algebraic Diagonalization Method
algebraic diagonalization method coherent state
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2007/8/15
2002Vol.38No.3pp.292-296DOI:
BCS Ground State and XXZ Antiferromagnetic Model as SU(2),
SU(1,1) Coherent States: An Algebraic Diagonalization Method
XIE Bing-Hao,1 ZHANG Hong-Biao...
The Antiferromagnetic Correlations in the Half-Filled
Double-Exchange Model at Finite Temperature
strongly-correlated electron systems
double-exchange model antiferromagnetic spin correlations
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2007/8/15
2002Vol.37No.5pp.607-614DOI:
The Antiferromagnetic Correlations in the Half-Filled
Double-Exchange Model at Finite Temperature
JI An-Chun, WANG Jing, and TIAN Guang-Shan
...
Soliton Lattice State of Spin-1/2 Antiferromagnetic Chain in
an External Magnetic Field
Heisenberg chain soliton lattice
phase local magnetization
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2007/8/15
2002Vol.37No.4pp.503-508DOI:
Soliton Lattice State of Spin-1/2 Antiferromagnetic Chain in
an External Magnetic Field
WANG Zhi-Guo, ZHANG Yu-Mei, and GAO Yang
Departmen...
Temperature Dependence of Exchange Bias and Coercivity in Ferromagnetic
Layer Coupled with Polycrystalline Antiferromagnetic Layer
ferromaagnetic layer
antiferromagnetic layer
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2007/8/15
2004Vol.41No.4pp.623-628DOI:
Temperature Dependence of Exchange Bias and Coercivity in Ferromagnetic
Layer Coupled with Polycrystalline Antiferromagnetic Layer
ZHAO Jin-Wei,1,3 HU...