Spectroscopy studies of structural phase transitions of chalcogenide glass thin films (Ge2S3)(x)(AS(2)S(3))(1-x) at coordination number 2.67

Gamulin O; Ivanda M; Mitsa V; Pasic S; Balarin M

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Spectroscopy studies of structural phase transitions of chalcogenide glass thin films (Ge2S3)(x)(AS(2)S(3))(1-x) at coordination number 2.67

机译：硫属元素化物玻璃薄膜（Ge2S3）（x）（AS（2）S（3））（1-x）配位数为2.67的结构相变的光谱研究

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We have investigated Fourier transform infrared (FTIR) spectra, Raman spectra and ultraviolet and visible absorption spectra of the (Ge2S3)(x)(As2S3)(1-x) chalcogenide glass thin films with 0. 1 <= x <= 0.9 and the average coordination number Z between 2.52 and 2.76. The relation of the structural and optical properties to the average coordination number is demonstrated by varying the composition parameter x of the glass. All measured quantities energy gap, sound velocity, IR and Raman peak intensities, position and the intensity of the boson peak showed the extreme values at Z = 2.67, indicating that structural phase transition occur at this coordination number. (C) 2005 Elsevier Ltd. All rights reserved.

机译：我们研究了（Ge2S3）（x）（As2S3）（1-x）硫族化物玻璃薄膜的傅立叶变换红外（FTIR）光谱，拉曼光谱以及紫外和可见吸收光谱。1 <= x <= 0.9和平均协调数Z在2.52和2.76之间。通过改变玻璃的组成参数x来证明结构和光学性质与平均配位数的关系。所有测得的量能隙，声速，IR和拉曼峰强度，玻色子峰的位置和强度在Z = 2.67处显示极值，表明在该配位数下发生结构相变。（C）2005 Elsevier Ltd.保留所有权利。

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来源
《Solid State Communications》 |2005年第12期|p. 753-758|共6页
作者
Gamulin O; Ivanda M; Mitsa V; Pasic S; Balarin M;
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作者单位

Univ Zagreb, Sch Med, Dept Phys & Biophys, Zagreb 10000, Croatia;

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正文语种 eng
中图分类固体物理学;
关键词
disordered systems; thin films; inelastic light scattering; light absorption and reflection; NON-CRYSTALLINE SOLIDS; AMORPHOUS-SEMICONDUCTORS; RANGE ORDER; VIBRATIONAL PROPERTIES; RAMAN-SPECTROSCOPY; OPTIC MODES; BOSON PEAK; SPECTRA; ALLOYS; DEPENDENCE;

机译：无序系统;薄膜;非弹性光散射;光吸收和反射;非晶体固体;非晶半导体;范围阶次;振动特性;拉曼光谱;光学模式;玻色子峰;光谱;合金;依赖;

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Spectroscopy studies of structural phase transitions of chalcogenide glass thin films (Ge2S3)(x)(AS(2)S(3))(1-x) at coordination number 2.67

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