期刊
SYNTHETIC METALS
卷 133, 期 -, 页码 261-264出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0379-6779(02)00404-6
关键词
charge ordering; C-13-NMR; alpha-(BEDT-TTF)(2)I-3; theta-(BEDT-TTF)(2)RbZn(SCN)(4); (TTM-TTP)I-3; Coulomb correlation
Experimental evidences of the charge ordering with the use of C-13-NMR techniques in various organic conductors are reviewed. In the insulating states of two-dimensional BEDT-TTF salts, alpha-I-3 and theta-RbZn(SCN)(4), the formation of charge stripes perpendicular to molecular stacks are confirmed. Charge disproportionation is estimated as 0.8:0.2 in the latter and more in the former. New type of charge ordering in a TTM-TTP salt with one-dimensional half-filled band is suggested. (C) 2002 Elsevier Science B.V. All rights reserved.
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