Far-Infrared Reflectance of the Sintered Samples of Y-Ba-Cu-O at Different Quenching Temperature
ZENG Wensheng, ZHANG Guizhong, LI Zengfa, ZHANG Guangyin, YANG Xiaoming* , YAN Jie* , SONG Deying*
Department of Physics, Nankai University, Tianjin 300071
* Department of Chemistry, Nankai University, Tianjin 300071
Far-Infrared Reflectance of the Sintered Samples of Y-Ba-Cu-O at Different Quenching Temperature
ZENG Wensheng;ZHANG Guizhong;LI Zengfa;ZHANG Guangyin;YANG Xiaoming* ;YAN Jie* ;SONG Deying*
Department of Physics, Nankai University, Tianjin 300071
* Department of Chemistry, Nankai University, Tianjin 300071
关键词 ：
78.20.Ci ,
78.30.Hv ,
74.30.Gn
Abstract ： The sintered samples of Y-Ba-Cu-O were quenched in air at different temperatures from 950 to 300℃ and their room-temperature far-infrared reflectance spectra were obtained. The spectra were studied by using the Drude model and Lorentzian phonon. From the curve of carrier density us quench temperature, an orthorhombic-tetragonal phase change is indicated. The phonon oscillation strength changes were explained by the abnormal sensibility in the reflectance spectra.
Key words ：
78.20.Ci
78.30.Hv
74.30.Gn
出版日期: 1991-01-01
:
78.20.Ci
(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
78.30.Hv
(Other nonmetallic inorganics)
74.30.Gn
引用本文:
ZENG Wensheng;ZHANG Guizhong;LI Zengfa;ZHANG Guangyin;YANG Xiaoming*;YAN Jie*;SONG Deying*. Far-Infrared Reflectance of the Sintered Samples of Y-Ba-Cu-O at Different Quenching Temperature[J]. 中国物理快报, 1991, 8(1): 36-39.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1991/V8/I1/36
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1991, Vol. 8 
