Charge Ordering and Lattice Modulation in Quasi-One-Dimensional Halogen-Bridged Binuclear Metal Complexes
作者:
Makoto Kuwabara,
Kenji Yonemitsu,
期刊:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals
(Taylor Available online 2000)
卷期:
Volume 343,
issue 1
页码: 47-52
ISSN:1058-725X
年代: 2000
DOI:10.1080/10587250008023501
出版商: Taylor & Francis Group
关键词: MMX chain;dimerization;Peierls-Hubbard model
数据来源: Taylor
摘要:
Ground state phase diagrams of the MMX chains are studied in a one-dimensional dimerized 3/4-filled model by exactly diagonalizing 12-site clusters. Experimentally observed phases are reproduced by changing relative strengths of an electron-lattice coupling, the inter-dimer transfer integral, and an elastic constant whose variation is roughly estimated from the interatomic spacing, the species of the halogen ions and the presence/absence of counter ions.
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