Infrared study on structural phase transition in (NMe4)2TCNQ3
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概要
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Temperature dependence of linearly polarized infrared absorption spectrum has been measured in (NMe4)2TCNQ3 single crystals. Strongly temperature dependent electron-molecular-vibration coupled bands are observed at 2173, 1576, 1351, and 1170 cm-1. The singular behaviour of the intensity of these bands is discussed in relation to the structural phase transition observed previously by visible to near-infrared optical absorption and X-ray measurements, where the slipped TCNQ radical dimers in the low-temperature phase tend to be eclipsed in the high-temperature phase.
- Elsevier BVの論文
- 2001-03-15
Elsevier BV | 論文
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