Self-organized periodic domain structure for second harmonic generations in ferroelastic β′-(Sm,Gd)2(MoO4)3 crystal lines on glass surfaces (vol 94, art no 041915, 2009)

被引：37

作者：

Tsukada, Yuta ^{[1
]}

Honma, Tsuyoshi ^{[1
]}

Komatsu, Takayuki ^{[1
]}

机构：

[1] Nagaoka Univ Technol, Dept Mat Sci & Technol, Nagaoka, Niigata 9402188, Japan

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 05期

关键词：

borate glasses; boron compounds; crystal growth; crystal orientation; domains; ferroelasticity; gadolinium compounds; molybdenum compounds; Raman spectra; refractive index; samarium compounds; self-assembly; LASER-INDUCED CRYSTALLIZATION; GADOLINIUM MOLYBDATE; SINGLE-CRYSTAL; TRANSITION; GD2(MOO4)3;

D O I：

10.1063/1.3086725

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ferroelastic beta(')-(Sm,Gd)(2)(MoO4)(3) (SGMO) crystal lines are patterned on the surface of Sm2O3-Gd2O3-MoO3-B2O3 glasses by continuous wave Yb:YVO4 laser irradiations (wavelength is 1080 nm, power is 1.2 W and scanning speed is 5 mu m/s). Crystal lines show self-organized periodic domain structures with periodic refractive index changes. The intensity of second harmonic (SH) waves changes periodically depending on the domain structure. It is proposed from polarized micro-Raman scattering spectra and the azimuthal dependence of SH intensities that the orientation of (MoO4)(2-) tetrahedra in SGMO crystals changes gradually and periodically along the crystal line growth direction due to the spontaneous strains in SGMO crystals.

引用

页数：3

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