Antimony bonding in Ge-Sb-Te phase change materials

被引：3

作者：

Bobela, David C. ^{[1
]}

Taylor, P. Craig ^{[2
]}

Kuhns, Phillip ^{[3
]}

Reyes, Arneil ^{[3
]}

Edwards, Arthur ^{[4
]}

机构：

[1] Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA

[2] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA

[3] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA

[4] USAF, Res Lab, RVSE, Kirtland AFB, NM 87117 USA

来源：

PHYSICAL REVIEW B | 2011年 / 83卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevB.83.033201

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The amorphous phase in some technologically important Ge-Sb-Te systems is still not well understood despite many models that exist to explain it. Using nuclear magnetic resonance, we demonstrate that Sb bonding in these systems follows the 8-N rule for chemical bonding in amorphous solids. We find that the Sb atoms preferentially bond to three atoms in a pyramidal configuration analogous to the sites occurring in Sb-S or Sb-Se systems. The data we present should be used as a guide for structural modeling of the amorphous phase.

引用

页数：4

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