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EXAFS study in organic superconductors

✍ Scribed by Takashi Doi; Kokichi Oshima; Hironobu Maeda; Hitoshi Yamazaki; Hiroshi Maruyama; Hidekazu Kimura; Manabu Fujita; Hatsumi Mori; Shoji Tanaka; Hideki Yamochi; Gunzi Saito


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
149 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✦ Synopsis


Cu K-edge extended X-ray absorption fine structure(EXAFS) measurements have been made in the organic superconductors. K-(BEDT-TTF)2Cu(NCS)2 and K-(BEDT-TTF)2Cu[N(CN)2]Br from 300 K down to 20 K. Some anomalies of the local structure were found from the temperature dependence of EXAFS signal, in particular nearest neighbors distance (R). The anomalies can be ascribed to the hydrogen bonds between cations and anions.


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