High-pressure magnetic and structural properties of TiOX (X = Cl, Br)

被引：0

作者：

Blanco-Canosa, S. ^{[1
]}

Rivadulla, F. ^{[1
]}

Pineiro, A. ^{[2
]}

Pardo, V. ^{[2
]}

Baldomir, D. ^{[2
]}

Lopez-Quintela, M. A. ^{[1
]}

Rivas, J.

机构：

[1] Univ Santiago de Compostela, Dept Quim Fis, Santiago De Compostela 15782, Spain

[2] Univ Santiago de Compostela, Inst Invest Tecnol, Santiago De Compostela 15782, Spain

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2010年 / 322卷 / 9-12期

关键词：

1D chain; Spin-Peierls distortion; High pressure; CHAINS;

D O I：

10.1016/j.jmmm.2009.04.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report high-pressure diffraction and magnetization measurements to demonstrate that the partial collapse of electronic gap at high-pressure insulator to metal transition reported in TiOCl (C. Kuntscher et al. Phys. Rev. B 74 184402 (2006).) corresponds to a Ti3+-Ti3+ dimerization at room temperature within the space group P2(1)/m. The shortest Ti-Ti distance is comparable to that of the Ti metal, but a Peierls-like distortion prevents a metallic behaviour. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1069 / 1071

页数：3

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