The study on the mechanism of ferromagnetic metal-insulator transition and novel quantum properties in chromium oxides

氧化铬铁磁金属-绝缘体转变机理及新型量子特性研究

基本信息

  • 批准号:
    22244041
  • 负责人:
  • 金额:
    $ 28.87万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
  • 财政年份:
    2010
  • 资助国家:
    日本
  • 起止时间:
    2010 至 2012
  • 项目状态:
    已结题

项目摘要

Detailed structure analysis by synchrotron x-ray diffraction experiments and the electronic structure calculations demonstrate that the novel ferromagnetic metal-insulator transition in K2Cr8O16 is caused by a Peierls instability in the quasi-one-dimensional column structure made of four coupled Cr-O chains running in the c direction, leading to the formation of tetramers of Cr ions below the transition temperature. This provides a rare example of the Peierls transition of fully spin-polarized electron systems.
同步辐射X射线衍射实验的详细结构分析和电子结构计算表明,K2Cr8O16的铁磁金属-绝缘体转变是由沿c方向的四个耦合的CrO链组成的准一维柱结构中的Peierls不稳定性导致的,导致在转变温度以下形成四聚铬离子。这为完全自旋极化电子系统的Peierls转变提供了一个罕见的例子。

项目成果

期刊论文数量(34)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Hidden frustration behind the unique ferromagnetic metal-insulator transition of K2Cr8O16
K2Cr8O16 独特的铁磁金属-绝缘体转变背后隐藏的挫败感
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Kwang Sik Jeong; Fuminobu Takahashi;M. Isobe
  • 通讯作者:
    M. Isobe
Electronic structure of an antiferromagnetic metal: CaCrO3
  • DOI:
    10.1103/physrevb.83.165132
  • 发表时间:
    2010-11
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    P. A. Bhobe;A. Chainani;M. Taguchi;R. Eguchi;M. Matsunami;T. Ohtsuki;K. Ishizaka;M. Okawa;M. Oura;Y. Senba;H. Ohashi;M. Isobe;Y. Ueda;S. Shin
  • 通讯作者:
    P. A. Bhobe;A. Chainani;M. Taguchi;R. Eguchi;M. Matsunami;T. Ohtsuki;K. Ishizaka;M. Okawa;M. Oura;Y. Senba;H. Ohashi;M. Isobe;Y. Ueda;S. Shin
Hollandites : novel metal-insulator transitions
Hollandites:新型金属-绝缘体转变
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    濱田裕紀;柳済允;松永隆佑;島野亮;横尾哲也,大山研司,伊藤晋一,鈴木純一,佐藤卓,岩佐和晃,木村宏之,金子直勝,大河原学,南部雄亮;上田寛
  • 通讯作者:
    上田寛
強磁性型クロム酸化物CrO2およびK2Cr8O16における局所磁性と電子状態-53Cr核NMR-
铁磁性铬氧化物 CrO2 和 K2Cr8O16 -53Cr 核 NMR 中的局域磁性和电子态
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Takeshi Kobayashi; Fuminobu Takahashi;Tomo Takahashi;Madahide Yamaguchi;武田 晃
  • 通讯作者:
    武田 晃
Dimerization and Charge Order in Hollandite K2V8O16
Hollandite K2V8O16 中的二聚和电荷顺序
  • DOI:
    10.1103/physrevlett.107.027201
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    8.6
  • 作者:
    J. Mizuki;K. Ishii et al.,;A. C. Komarek
  • 通讯作者:
    A. C. Komarek
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UEDA Yutaka其他文献

UEDA Yutaka的其他文献

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{{ truncateString('UEDA Yutaka', 18)}}的其他基金

Investigation of a candidate protein associated with chemo-resistance of endometrial carcinomas
与子宫内膜癌化疗耐药相关的候选蛋白的研究
  • 批准号:
    24592516
  • 财政年份:
    2012
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Analysis of protein expression of uterine sarcoma by iTRAQ method
iTRAQ法分析子宫肉瘤蛋白表达
  • 批准号:
    22791530
  • 财政年份:
    2010
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Young Scientists (B)
The study of novel quantum phenomena caused from the competition among multiple ground states in vanadium oxides
钒氧化物中多个基态竞争引起的新量子现象的研究
  • 批准号:
    18104008
  • 财政年份:
    2006
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
Charge, Spin and Orbital States of Transition Metal Oxides with Square Pyramidal Coordination
方锥配位过渡金属氧化物的电荷、自旋和轨道态
  • 批准号:
    14340205
  • 财政年份:
    2002
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Field-Induced Phenomena and Its Frustration Effect in Quantum Spin System
量子自旋系统场致现象及其挫败效应
  • 批准号:
    13130201
  • 财政年份:
    2001
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Study of neuropathic pain for rats
大鼠神经病理性疼痛的研究
  • 批准号:
    12671978
  • 财政年份:
    2000
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
ィイD1235ィエD1U NMR Study of Uranium Oxides
D1235 铀氧化物的 D1U NMR 研究
  • 批准号:
    10440105
  • 财政年份:
    1998
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Cloning of gene involved in facial pain
面部疼痛相关基因的克隆
  • 批准号:
    07457501
  • 财政年份:
    1995
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
The Study of Thermal Equilibrium and Highly Oxygenated State under High Oxygen Pressure
高氧压力下热平衡和高氧态的研究
  • 批准号:
    07554032
  • 财政年份:
    1995
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Morphological studies for neurotransmission in the trigeminal nervous system -Roles of neuropeptides and amino acid-.
三叉神经系统神经传递的形态学研究-神经肽和氨基酸的作用-。
  • 批准号:
    02454464
  • 财政年份:
    1990
  • 资助金额:
    $ 28.87万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)

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橡胶降解菌物性劣化因素的鉴定及橡胶的回收利用
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