位置：立项数据库 > 立项详情页
NaxCoO2的磁性和超导电性研究
  • 项目名称：NaxCoO2的磁性和超导电性研究
  • 项目类别：面上项目
  • 批准号：10674166
  • 申请代码：A040206
  • 项目来源：国家自然科学基金
  • 研究期限：2007-01-01-2009-12-31
  • 项目负责人：雒建林
  • 负责人职称：研究员
  • 依托单位：中国科学院物理研究所
  • 批准年度：2006
中文摘要：

本项目研究了钴氧化物准二维三角格子体系的磁性和超导电性。研究表明NaxCoO2 丰富的物理性质并不是具有三角钴晶格的其它钴氧化物系统的共性，CaxCoO2在低温下发生金属- - 绝缘体转变并伴有能隙打开。同时在Fe超导体的研究中取得了一系列重要进展独立发现超导转变温度Tc超过40K的CeFeAsOF和其它多个新型Fe(Ni)基非传统超导材料；发现Fe基超导体具有非常高的上临界场，表明新型超导材料具有很强的应用前景；发现Fe基超导体的母体具有自旋密度波反铁磁序，为超导机理研究提供依据。共发表文章41 篇，其中Nature系列3篇，Physical Review Letters 7 篇， Physical Review B 和EPL 15 篇。

中文主题词： NaxCoO2，Fe基超导体，超导电性，自旋密度波
结论摘要：

英文主题词NaxCoO2, Iron-based superconductors, superconductivity，Spin-density-wave

成果综合统计
成果类型
数量
  • 期刊论文
  • 会议论文
  • 专利
  • 获奖
  • 著作
  • 41
  • 0
  • 0
  • 0
  • 0
期刊论文
Raman phonons of alpha-FeTe and Fe1.03Se0.3Te0.7 single crystals
Origin of the structural phase transition in BaNi2As2 at 130 K: A combined study of optical spectros
Magnetoresistance in Parent Pnictide AFe(2)As(2)(A=Sr, Ba)
Homogeneous vs. inhomogeneous coexistence of magnetic order and superconductivity probed by NMR in C
Possible high temperature superconductivity in a Ti-doped A-Sc-Fe-As-O (A = Ca, Sr) system
Electronic properties of single-crystalline Fe1.05Te and Fe1.03Se0.30Te0.70
Optical study of the spin-density-wave properties of single-crystalline Na1-delta FeAs
Multiple Phase Transitions in Single-Crystalline Na1-delta FeAs
Superconductivity in hole-doped (Sr1-xKx)Fe2As2
Anisotropic applied field dependency of two successive magnetic transitions in LiCu2O2
Strong-coupling superconductivity in the nickel-based oxypnictide LaNiAsO1-xFx
Structure, charge ordering and physical properties of LuFe2O4
Low-temperature magnetic and transport properties of layered (Sr,Ca)(x)CoO2 single crystals
Spin-glass behavior in hexagonal Na0.70MnO2
Superconducting proprties of noncentrosymmetric Mg10 +/-delta Ir19B16 -/+delta
Element substitution effect in transition metal oxypnictide Re(O1-xFx)TAs (Re=rare earth, T=transiti
Superconductivity in Mg-doped layered intermetallic compound NbB2
Transport and anisotropy in single-crystalline SrFe2As2 and A(0.6)K(0.4)Fe(2)As(2) (A=Sr, Ba) superc
Origin of the Spin Density Wave Instability in AFe(2)As(2) (A=Ba,Sr) as Revealed by Optical Spectros
Structural and magnetic phase diagram of CeFeAsO1-xFx and its relation to high-temperature supercond
Low Energy Spin Waves and Magnetic Interactions in SrFe2As2
Spin correlations in NaxCoO2 with x=0.8 and 0.5
Doping evolution of antiferromagnetic order and structural distortion in LaFeAsO1-xFx
Observation of Fermi-surface-dependent nodeless superconducting gaps in Ba0.6K0.4Fe2As2
Competing orders and spin-density-wave instability in La(O1-xFx) FeAs
Very high upper critical fields of F-doped Fe-based layered superconductors NdO0.88F0.12FeAs and CeO
Strontium ordering, structural modulation in layered hexagonal SrxCoO2 and physical properties of Sr
The metal-insulator-like and insulator-metal-like behaviors in antimony
Magnetic order close to superconductivity in the iron-based layered LaO1-xFxFeAs systems
Nernst effect of a new iron-based superconductor LaO1-xFxFeAs
Superconducting properties of the Fe-based layered superconductor LaFeAsO0.9F0.1-delta
Band-dependent normal-state coherence in Sr2RuO4: Evidence from nernst effect and thermopower measur
Probing the superconducting energy gap from infrared spectroscopy on a Ba0.6K0.4Fe2As2 single crysta
相关项目
铁基高温超导中新奇量子态的微观特性研究
期刊论文 62
极端条件下二维层状稀(碱)土-过渡族化合物的非常规物性及其机理研究
期刊论文 33
纳米金属颗粒中铁磁性和超导电性的共存及相关问题的研究
期刊论文 8
新型类钙钛矿氧化物功能材料的合成、微结构与性能研究
期刊论文 87 会议论文 37 专利 4
新型铁基超导体薄膜制备和物理性质研究
期刊论文 8 会议论文 2
铜氧化物体系在电子团玻璃态物理性质的高压研究
期刊论文 5
新型有机化合物的超导电性和量子霍尔效应研究
期刊论文 4
高维有相变统计问题严格解,量子统计第三种表述和玻-爱凝结前沿
期刊论文 12
铁基超导体中磁性和超导电性机理理论研究
期刊论文 4
雒建林的项目
铜氧化物超导体赝能隙的比热研究
著作 4
Cr基和Mn基新超导体探索和及非常规超导电性研究
期刊论文 1
强关联电子体系的热力学性质和磁性研究
期刊论文 1
Sr2RuO4的超导电性研究