国家自然科学基金(91121004)

作品数：9被引量：6H指数：1
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相关机构：中国科学院清华大学北京邮电大学北京大学更多>>
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Effects of temperature and magnetic field direction on the electron-hole compensation in WTe_2
《Science China(Physics,Mechanics & Astronomy)》2016年第7期86-87,共2页Yan Li YaBin Zhu YouGuo Shi XiangGang Qiu 
supported by the National Natural Science Foundation of China(Grant No.91121004);the National Key Basic Research Program of China(GrantNo.2015CB921303);the Ministry of Science and Technology of China(Grant Nos.2012CB21403,2011CBA00107,2012CB921302and 2015CB929103)
Dear Editors, Tungsten ditelluride （WTe2） is a layered transition-metal dichalcogenide （TMD）. The tungsten layers are clipped by adjacent chalcogenide layers. The sandwich structure stacks along the c-axis with Va...
关键词：补偿效应 电子空穴 磁场 温度 范德瓦尔斯 过渡金属 层间结合 夹层结构 
Optical study of charge dynamics in CaCo_2As_2
《Chinese Physics B》2016年第5期1-4,共4页张威 许兵 杨润 刘金云 杨浩 邱祥冈 
Project supported by the National Basic Research Program of China (Grant Nos. 2012CB821400, 2012CB921302, and 2015CB921303);the National Natural Science Foundation of China (Grants Nos. 11274237, 91121004, 51228201, and 11004238);the support of the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
We present an infrared spectroscopy study of charge dynamics in CaCo_2As_2 single crystal. In this material, the optical conductivity can be described by two Drude components with different scattering rates（1/τ）： ...
关键词：infrared spectroscopy optical conductivity Fermi liquid 
Magnetoresistivity and filamentary superconductivity in nickel-doped BaFe_2As_2
《Chinese Physics B》2016年第4期1-4,共4页张威 戴耀民 许兵 杨润 刘金云 随强涛 罗会仟 张睿 鲁兴业 杨浩 邱祥冈 
supported by the National Basic Research Program of China(Grant Nos.2012CB821400,2012CB921302,and 2015CB921303);the National Natural Science Foundation of China(Grant Nos.11274237,91121004,51228201,11004238,and 11374011)
We present magnetotransport studies on a series of BaFe2_xNixAs2 （0.03 〈 x 〈 0.10） single crystals. In the un- derdoped （x = 0.03） non-superconducting sample, the temperature-dependent resistivity exhibits a pea...
关键词：iron-based pnictide MAGNETORESISTIVITY filamentary superconductivity 
Optical conductivity as a probe of a hidden Fermi-liquid behavior in BaFe_(1.904) Ni_(0.096) As_2
《Chinese Physics B》2014年第10期499-502,共4页杨彦兴 熊锐 方之颢 许兵 肖宏 邱祥冈 石兢 王凯 
Project supported by the National Natural Science Foundation of China(Grant Nos.11374345,11104335,and 91121004);the National Basic Research Program of China(Grant Nos.2012CB821403,2011CBA00107,and 2012CB921302)
We measured the infrared reflectivity of BaFe1.904Ni0.096As2 single crystal from room temperature down to 20 K. Two Drude terms and a Lorentz term well describe the real part of the optical conductivity σ1 （ω）. We...
关键词：iron-based superconductor Fermi liquid optical conductivity 
In-plane optical spectral weight redistribution in the optimally doped Ba_(0.6)K_(0.4)Fe_2As_2 superconductor被引量：1
《Chinese Physics B》2014年第8期516-520,共5页许兵 戴耀民 肖宏 R. P. S. M. Lobo 邱祥冈 
Project supported by the National Basic Research Program of China(Grant Nos.2012CB821403,2011CBA00107,and 2012CB921302);the National Natural Science Foundation of China(Grant Nos.11374345,11104335,and 91121004)
We performed detailed temperature-dependent optical measurements on optimally doped Ba0.6K0.4Fe2As2 single crystal, We examine the changes of the in-plane optical conductivity spectral weight in the normal state and t...
关键词：iron-based superconductor infrared spectroscopy optical properties 
界面超导新进展：外延于SrTiO3衬底上的单层FeSe薄膜的超导转变温度超过40 K
《物理》2014年第3期196-198,共3页王立莉 王健 王亚愚 陈曦 季帅华 马旭村 薛其坤 
国家自然科学基金(批准号:91121004,11321091,11374336);国家重点基础研究发展计划(批准号:2013CB934600,2012CB921300)资助项目
界面超导概念的起源可追溯至50多年前物理学家对二维超导的研究。1968年，首次在实验上观测到界面增强超导现象，即当Al与Cu或者Sn混杂形成超晶格时，其超导转变温度提高接近1 K[1]。在1986年和2008年发现的铜基[2]和铁基[3]两大类高温...
关键词：超导转变温度 SRTIO3 界面 高温超导材料 薄膜 单层 衬底 超导体系 
SrTiO3(001)衬底上单层FeSe超导薄膜的分子束外延生长被引量：5
《物理学报》2014年第2期281-285,共5页王萌 欧云波 李坊森 张文号 汤辰佳 王立莉 薛其坤 马旭村 
国家自然科学基金(批准号:11374336,91121004)资助的课题~~
在以前工作的基础上,进一步研究了SrTiO3(001)(STO)衬底上单层FeSe超导薄膜的分子束外延生长.首先,通过去离子水刻蚀、盐酸溶液腐蚀和纯氧气氛中退火等步骤,获得台阶有序、具有单一TiO2终止的原子级平整表面的STO衬底,这是前提条件.这...
关键词：SrTiO3(001) 单层FeSe薄膜 高温超导 分子束外延 
Interstitial vortex in superconducting film with periodic hole arrays
《Chinese Physics B》2012年第8期5-9,共5页何世坤 张伟君 温振超 肖宏 韩秀峰 顾长志 邱祥冈 
Project supported by the National Basic Research Program of China (Grant Nos. 2009CB929100 and 2011CBA00107);the National Natural Science Foundation of China (Grant Nos. 91121004,10974241,and 11104335)
The response of superconducting Nb films with a diluted triangular and square array of holes to a perpendicular magnetic field are investigated.Due to small edge-to-edge separation of the holes,the patterned films are...
关键词：matching effect interstitial vortex 
Interstitial vortex in superconducting film with periodic hole arrays
《Chinese Physics B》2012年第8期1-5,共5页何世坤 张伟君 温振超 肖宏 韩秀峰 顾长志 邱祥冈 
Project supported by the National Basic Research Program of China (Grant Nos. 2009CB929100 and 2011CBA00107);the National Natural Science Foundation of China (Grant Nos. 91121004,10974241,and 11104335)
The response of superconducting Nb films with a diluted triangular and square array of holes to a perpendicular magnetic field are investigated. Due to small edge-to-edge separation of the holes, the patterned films a...
关键词：matching effect interstitial vortex 
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