国家自然科学基金(11074109)

作品数：4被引量：3H指数：1
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相关作者：刘楣李斌邢钟文更多>>
相关机构：东南大学南京大学更多>>
相关期刊：《Chinese Physics B》《物理学报》更多>>
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Coupling-matrix approach to the Chern number calculation in disordered systems
《Chinese Physics B》2013年第11期130-134,共5页张议夫 杨运友 鞠艳 盛利 沈瑞 盛冬宁 邢定钰 
Project supported by the National Basic Research Program of China(Grant Nos.2009CB929504,2011CB922103,and 2010CB923400);the National Natural Science Foundation of China(Grant Nos.11225420,11074110,11174125,11074109,11074111,and 91021003);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China;the Natural Science Foundation of Jiangsu Province,China(Grant No.BK2010364);the US NSF(Grant Nos.DMR-0906816 and DMR-1205734);he Princeton MRSEC(Grant No.DMR-0819860)
The Chern number is often used to distinguish different topological phases of matter in two-dimensional electron systems. A fast and efficient coupling-matrix method is designed to calculate the Chern number in finite...
关键词：Chern number TOPOLOGY DISORDER 
Spin Chern numbers and time-reversal-symmetry-broken quantum spin Hall effect
《Chinese Physics B》2013年第6期32-48,共17页盛利 李会超 杨运友 盛冬宁 邢定钰 
supported by the National Basic Research Program of China (Grant Nos. 2009CB929504,2011CB922103,and 2010CB923400);the National Natural Science Foundation of China (Grant Nos. 11225420,11074110,11174125,11074109,and 91021003);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China,the US NSF (Grant Nos. DMR-0906816 and DMR-1205734);Princeton MRSEC (Grant No. DMR-0819860)
The quantum spin Hall （QSH） effect is considered to be unstable to perturbations violating the time-reversal （TR） symmetry. We review some recent developments in the search of the QSH effect in the absence of the ...
关键词：spin-polarized transport quantum spin Hall effect surface state edge state topological insulator 
Bipolar resistive switching in Cr-doped TiO_x thin films被引量：1
《Chinese Physics B》2011年第9期435-438,共4页邢钟文 A.Ignatievb 
Project supported by NASA,the State of Texas through the Center for Advanced Materials,Sharp Laboratories of America,Semiconductor Research Corporation,the R.A.Welch Foundation (Grant No.#E-632);the National Natural Science Foundation of China (Grant No.11074109);the Natural Science Foundation of Jiangsu Province of China (Grant No.SBK200920627);the National Basic Research Program of China (Grant No.2010CB923404);the National "Climbing" Program of China (Grant No.91021003)
The electric-pulse-induced resistive switching effect is studied for Tio.s5Cro.15Ox （TCO） films grown on Ir-Si substrates by pulsed laser deposition. Such a TCO device exhibits bipolar switching behaviour with an el...
关键词：resistive random-access memory （RRAM） electrical-pulse-induced resistive （EPIR） 
LiFeAs超导体中磁性与声子软化被引量：2
《物理学报》2011年第7期686-691,共6页李斌 邢钟文 刘楣 
国家自然科学基金(批准号:11074109;110704033;110704032);江苏省自然科学基金(批准号:SBK200920627);中国基础研究重点项目(批准号:2010CB923404.)资助的课题~~
运用第一性原理密度泛函理论研究了铁基超导体LiFeAs的电子结构和声子谱.计算得到的LiFeAs基态具有涨落的条型反铁磁构型.通过比较LiFeAs在非磁态与条形反铁磁态下的声子态密度,发现,LiFeAs中各向异性自旋互作用的竞争产生了不稳定的自...
关键词：铁基超导体 反铁磁序 超导电性 电声子耦合 
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