国家自然科学基金(s50832002)

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相关期刊：《Chinese Physics B》更多>>
相关主题：FERROELECTRICITYMONTE_CARLO_SIMULATIONISING_MODELISINGDIPOLE更多>>
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Ferrimagnetism and abnormal spin lattice coupling in dilute magnetic ferroelectric (Bi_(0.46) Na_(0.46) Ba_(0.08))TiO_3:Co
《Chinese Physics B》2011年第2期487-494,共8页范婧 董新伟 宋友 王克锋 刘俊明 江向平 
supported by the National Natural Science Foundation of China (Grant Nos. 50832002 and 10874075);the National Basic Research Program of China (Grant Nos. 2009CB613303 and 2009CB929501);the Natural Science Foundation of Jiangsu Province,China (Grant No. BK2008024)
We have investigated the low-temperature magnetism and spin-lattice coupling in （Bio.46Nao.46Bao.os）TiO3 ：Co in order to understand the magnetoelectric effect in such artificially synthesized dilute magnetic ferroe...
关键词：FERRIMAGNETICS MAGNETOSTRICTION FERROELECTRICITY 
Monte Carlo simulation on dielectric relaxation and dipole cluster state in relaxor ferroelectrics
《Chinese Physics B》2010年第9期16-24,共9页朱琛 刘俊明 
supported by the National Natural Science Foundation of China (Grant Nos.50832002 and 10874035);the National Basic Research Program of China (Grant No.2009CB623303)
The Ginzburg-Landau theory on ferroelectrics with random field induced by dipole defects is studied by using Monte Carlo simulation, in order to investigate the dipole configuration and the dielectric relaxation of re...
关键词：relaxor ferroelectrics domain structure relaxation spectrum Ginzburg-Landau theory 
Ferroelectricity in a diatomic Ising chain as investigated by the elastic Ising model
《Chinese Physics B》2009年第6期2557-2564,共8页郭云均 王克锋 刘俊明 
Project supported by the National Natural Science Foundation of China (Grant Nos 50832002,10674061 and 10874075);the National Key Projects for Basic Research of China (Grant Nos 2006CB921802 and 2009CB623303)
An elastic Ising model for a one-dimensional diatomic spin chain is proposed to explain the ferroelectricity induced by the collinear magnetic order with a low-excited energy state. A statistical theory based on this ...
关键词：multiferrocity elastic Ising model diatomic Ising spin chain 
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