Probing shock-induced structural changes in GaSb

被引：1

作者：

Bhowmick, Mithun ^{[1
]}

Fryman, Jacob ^{[2
]}

Zhou, Xuan ^{[3
]}

Ramkumar, Chari ^{[2
]}

机构：

[1] Miami Univ, 4200 N Univ Blvd, Middletown, OH 45042 USA

[2] Northern Kentucky Univ, Highland Hts, KY 41099 USA

[3] Univ Texas San Antonio, San Antonio, TX 78249 USA

来源：

OPTICS LETTERS | 2023年 / 48卷 / 02期

关键词：

HIGH-PRESSURE; PHASE-TRANSITION; RAMAN; GAP; SEMICONDUCTORS; TEMPERATURE; DEPENDENCE; SCATTERING; PHYSICS; GPA;

D O I：

10.1364/OL.480407

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Laser-driven hypervelocity impact experiments were used to study pressure-induced long-term effects on the crystal structure of undoped GaSb. X-ray diffraction and confocal micro-Raman spectra were collected on unshocked and shock-compressed samples, with corresponding pressures ranging between 8 and 23 GPa. GaSb retained bulk crystallinity at 8 GPa but showed localized site disordering, transformed into an amorphous state at 13 GPa, and stayed in that phase until 23 GPa. (c) 2023 Optica Publishing Group

引用

页码：307 / 310

页数：4

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