CONTROL OF CDW STATE IN HALOGEN-BRIDGED METAL-COMPLEXES

被引：78
|
作者：
OKAMOTO, H
MITANI, T
TORIUMI, K
YAMASHITA, M
机构：
[1] HIMEJI INST TECHNOL,DEPT MAT SCI,OSAKA 67812,JAPAN
[2] NAGOYA UNIV,COLL GEN EDUC,DEPT CHEM,CHIKUSA KU,NAGOYA,AICHI 464,JAPAN
来源：
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1992年 / 13卷 / 04期
关键词：
D O I：
10.1016/0921-5107(92)90140-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Chemical modifications of one-dimensional (1D) halogen-bridged mixed-valence metal complexes have been made in order to control the amplitude of the charge density wave (CDW) state in -M-X- chains (M=Pt, Pd or Ni, and X=Cl, Br or I). By changing chemical parameters, such as strength of hydrogen-bonds between the ligands and the counter anions, and the ionic radii of M and X, the characteristic diagram of the amplitude of CDW has been obtained as a function of the M-X-M distances. This provides a new basic idea for understanding the 1D electronic state of the M-X compounds, especially as related to dynamical phenomena originated in the charge transfer instability in the ground state and the photo-excited state.
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页码：L9 / L14
页数：6
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