CLOSURE OF THE CHARGE-TRANSFER ENERGY-GAP AND METALLIZATION OF NII2 UNDER PRESSURE

被引：33

作者：

CHEN, AL

YU, PY

TAYLOR, RD

机构：

[1] LAWRENCE BERKELEY LAB,DIV MAT SCI,BERKELEY,CA 94720

[2] LOS ALAMOS NATL LAB,DIV PHYS,LOS ALAMOS,NM 87545

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.71.4011

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have performed. resistivity and near-ir absorption measurements on NiI2 under pressure that strongly suggests that closure of the charge-transfer energy gap is the fundamental cause of the insulator-to-metal transition in NiI2. Our findings support the framework proposed by Zaanen, Sawatsky, and Allen outlining the electronic structure of transition-metal compounds.

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页码：4011 / 4014

页数：4

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