A new superconductive phase in apical oxygen ordered high Tc cuprates

来源 :中国物理学会2013年秋季学术会议 | 被引量 : 0次 | 上传用户:a734266739
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  A Sr2CuO3+δ superconductor with a new modulated structure has been synthesized using high pressure technique.
其他文献
由于AlGaN/GaN/AlGaN 多层异质结构较AlxGa1-xN/GaN 单异质结构具有更高的二维电子气(2DEG)浓度和迁移率[1,2],而且非对称AlxGa1-xN/GaN/AlyGa1-yN 异质结构又与实际的高迁移率晶体管(HEMT)最为接近而广泛应用于HEMT 器件中。
3DTI 的特征是:体相绝缘,存在一个呈狄拉克费米子型线性色散关系的2DTISS1,2.由于受到时间反演对称性的保护,表面态上的电子可以无散射地在二维表面传输.但是,典型的几种3DTI,如:Bi2Te3、Bi2Se3 都因体相的缺陷呈现出金属性.这给研究三维拓扑绝缘体,和基于二维拓扑表面态的调控带来了困难.
Over the last decades,researchers have shown remarkable interests in oxides dilute magnetic semiconductors(ODMS)due to their applications in spintronic devices by utilizing both charge and spin [1].
一维纳米结构材料在构筑功能纳米器件和功能性元件方面有着巨大的诱惑力和广阔的应用前景,已成为科学领域的前沿和热点研究课题之一。特别是一维磁性纳米结构材料,由于它们的形状各向异性,通常可表现出独特的、可调的磁性,引起科学研究者的广泛关注。
High tunneling magnetoresistance(TMR)is now well known in Fe/MgO/Fe and CoFe(B)/MgO/CoFe(B)magnetic tunnel junctions(MTJs)[1].Besides single barrier MTJs(SBMTJs),double barrier MTJs(DBMTJs)have also b
Domain wall motion driven by spin waves(SWs)in magnetic nanostripes is investigated by micromagnetic simulations.It was found that the velocity of domain wall motion can be controlled by the changes o
A novel antisymmetric exchange coupling called the Dzyaloshinskii–Moriya(DM)interaction has recently attracted great interest.The existence of the DM interaction can induce chiral spin structures such
Multiferroic materials which simultaneously display ferroelectricity and magnetism have attracted much attention due to their interesting new physics and potential for exploring novel multifunctional
Because of the technological importance of spin vales or spin injectors as potential applications of manganite oxides,which induced a larger number of works on manganite thin films.
CsFe2As2是最近新合成的一种铁基超导体单晶材料,其超导临界温度约为1.8 K.我们通过热导率的实验手段测得了其(外推)至0 K温度下,仍然有相当可观的电子参与导热.