High (pressure, temperature) phase diagrams of ZnO and AlN from second harmonic generation measurements

被引：26

作者：

Bayarjargal, Lkhamsuren ^{[1
]}

Winkler, Bjoern ^{[1
]}

机构：

[1] Goethe Univ Frankfurt, Inst Geowissensch, D-60438 Frankfurt, Germany

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 02期

关键词：

ROCK-SALT PHASE; ALUMINUM NITRIDE; TRANSITION; QUARTZ; GPA;

D O I：

10.1063/1.3676057

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The pressure-induced B4 > B1 structural phase boundaries of ZnO and AlN have been determined with the second harmonic generation (SHG) technique at high temperature. The SHG measurements of AlN show that between 15.6 and 18 GPa, the phase boundary has a negative slope of nearly 627 K/GPa, and that below 15.6 GPa, the slope is significantly smaller ( 77 K/GPa). ZnO has a phase boundary with a negative slope of nearly 1427 K/GPa around 5.3-6 GPa and 228 K/GPa below 5 GPa. The phase transition pressure of AlN is sensitive to deviatoric stress and varies from 18 to 24.5 GPa. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3676057]

引用

页数：3

共 26 条

[1]

[Anonymous], 2006, Nonlinear Optics

[2] Influence of deviatoric stress on the pressure-induced structural phase transition of ZnO studied by optical second harmonic generation measurements [J].