Observation of a near-surface structural phase transition in SrTiO3 by optical second harmonic generation

被引：59
|
作者：
Mishina, ED [1 ]
Misuryaev, TV
Sherstyuk, NE
Lemanov, VV
Morozov, AI
Sigov, AS
Rasing, T
机构：
[1] Moscow Inst Radio Engn Elect & Automat, Moscow 117454, Russia
[2] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[3] Catholic Univ Nijmegen, Mat Res Inst, NL-6525 ED Nijmegen, Netherlands
来源：
PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 17期
关键词：
D O I：
10.1103/PhysRevLett.85.3664
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A near-surface structural phase transition on a SrTiO3 single crystal, occurring at T* about 45 K above the bulk cubic-to-tetragonal transition, is observed by means of optical second harmonic generation. The temperature dependence of the second harmonic field in the vicinity of T* is described with a phenomenological Landau-type model.
引用
收藏
页码：3664 / 3667
页数：4
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