Single crystal X-ray study of pressure-induced metal-insulator transition in (DMeDCNQI)2Cu

Yoshio Nogami; T. Date; K. Oshima; O. Arimoto

doi:10.1016/S0379-6779(97)81033-8

Single crystal X-ray study of pressure-induced metal-insulator transition in (DMeDCNQI)2Cu

Yoshio Nogami, T. Date, K. Oshima, O. Arimoto

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

The structures of the metallic and the insulating phases of (DMeDCNQI)₂Cu were solved under pressures of up to 15.8 kbar at room temperature. An angle α representing the deformation of CuN₄ tetrahedron around the Cu atom increases almost linearly with pressure at the rate of about 0.6 deg./ kbar. Furthermore, an X-ray diffuse scattering study revealed the presence of a 3 c CDW superlattice structure above 12 kbar in the high pressure insulating phase.

Original language	English
Pages (from-to)	2073-2074
Number of pages	2
Journal	Synthetic Metals
Volume	86
Issue number	1-3
DOIs	https://doi.org/10.1016/S0379-6779(97)81033-8
Publication status	Published - Feb 28 1997

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Keywords

Diffraction and scattering
Organic semiconductors based on conjugated molecules
Structural phase transition
X-ray emission

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Materials Chemistry
Polymers and Plastics

Cite this

Nogami, Y., Date, T., Oshima, K., & Arimoto, O. (1997). Single crystal X-ray study of pressure-induced metal-insulator transition in (DMeDCNQI)2Cu. Synthetic Metals, 86(1-3), 2073-2074. https://doi.org/10.1016/S0379-6779(97)81033-8

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abstract = "The structures of the metallic and the insulating phases of (DMeDCNQI)2Cu were solved under pressures of up to 15.8 kbar at room temperature. An angle α representing the deformation of CuN4 tetrahedron around the Cu atom increases almost linearly with pressure at the rate of about 0.6 deg./ kbar. Furthermore, an X-ray diffuse scattering study revealed the presence of a 3 c CDW superlattice structure above 12 kbar in the high pressure insulating phase.",

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AB - The structures of the metallic and the insulating phases of (DMeDCNQI)2Cu were solved under pressures of up to 15.8 kbar at room temperature. An angle α representing the deformation of CuN4 tetrahedron around the Cu atom increases almost linearly with pressure at the rate of about 0.6 deg./ kbar. Furthermore, an X-ray diffuse scattering study revealed the presence of a 3 c CDW superlattice structure above 12 kbar in the high pressure insulating phase.

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KW - Organic semiconductors based on conjugated molecules

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KW - X-ray emission

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10.1016/S0379-6779(97)81033-8