Structural phase transition in (BEDT-TTF)3CuBr4 AT 60 K

M. Watanabe; Y. Nogami; K. Oshima; J. I. Yamaura; T. Enoki; G. Saito

doi:10.1016/S0038-1098(96)00512-1

Structural phase transition in (BEDT-TTF)₃CuBr₄ AT 60 K

M. Watanabe, Y. Nogami, K. Oshima, J. I. Yamaura, T. Enoki, G. Saito

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Low temperature X-ray diffraction study for organic semiconductor (BEDT-TTF)₃CuBr₄ revealed structural phase transition from P2₁/c to Pc by losing inversion and screw symmetries at 60.2 K where the magnetic susceptibility shows a steep decrease. Abrupt changes in (0 k 0) X-ray reflection intensity and lattice parameters proved that this phase transition has first-order nature. Structure analysis at 65.9 K verified that the average coordination number of Br around Cu is four.

Original language	English
Pages (from-to)	755-758
Number of pages	4
Journal	Solid State Communications
Volume	100
Issue number	11
DOIs	https://doi.org/10.1016/S0038-1098(96)00512-1
Publication status	Published - Dec 1996

Keywords

A. organic crystals
C. crystal structure and symmetry
D. phase transitions

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/S0038-1098(96)00512-1

Cite this

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title = "Structural phase transition in (BEDT-TTF)3CuBr4 AT 60 K",

abstract = "Low temperature X-ray diffraction study for organic semiconductor (BEDT-TTF)3CuBr4 revealed structural phase transition from P21/c to Pc by losing inversion and screw symmetries at 60.2 K where the magnetic susceptibility shows a steep decrease. Abrupt changes in (0 k 0) X-ray reflection intensity and lattice parameters proved that this phase transition has first-order nature. Structure analysis at 65.9 K verified that the average coordination number of Br around Cu is four.",

keywords = "A. organic crystals, C. crystal structure and symmetry, D. phase transitions",

author = "M. Watanabe and Y. Nogami and K. Oshima and Yamaura, {J. I.} and T. Enoki and G. Saito",

year = "1996",

month = dec,

doi = "10.1016/S0038-1098(96)00512-1",

language = "English",

volume = "100",

pages = "755--758",

journal = "Solid State Communications",

issn = "0038-1098",

publisher = "Elsevier Limited",

number = "11",

}

TY - JOUR

T1 - Structural phase transition in (BEDT-TTF)3CuBr4 AT 60 K

AU - Watanabe, M.

AU - Nogami, Y.

AU - Oshima, K.

AU - Yamaura, J. I.

AU - Enoki, T.

AU - Saito, G.

PY - 1996/12

Y1 - 1996/12

N2 - Low temperature X-ray diffraction study for organic semiconductor (BEDT-TTF)3CuBr4 revealed structural phase transition from P21/c to Pc by losing inversion and screw symmetries at 60.2 K where the magnetic susceptibility shows a steep decrease. Abrupt changes in (0 k 0) X-ray reflection intensity and lattice parameters proved that this phase transition has first-order nature. Structure analysis at 65.9 K verified that the average coordination number of Br around Cu is four.

AB - Low temperature X-ray diffraction study for organic semiconductor (BEDT-TTF)3CuBr4 revealed structural phase transition from P21/c to Pc by losing inversion and screw symmetries at 60.2 K where the magnetic susceptibility shows a steep decrease. Abrupt changes in (0 k 0) X-ray reflection intensity and lattice parameters proved that this phase transition has first-order nature. Structure analysis at 65.9 K verified that the average coordination number of Br around Cu is four.

KW - A. organic crystals

KW - C. crystal structure and symmetry

KW - D. phase transitions

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U2 - 10.1016/S0038-1098(96)00512-1

DO - 10.1016/S0038-1098(96)00512-1

M3 - Article

AN - SCOPUS:0030418580

SN - 0038-1098

VL - 100

SP - 755

EP - 758

JO - Solid State Communications

JF - Solid State Communications

IS - 11

ER -