Optical Constants of Amorphous Ga_2Se_3
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概要
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The optical response in amorphous (a-)Ga_2Se_3 semiconductor in the 1.2-5.6-eV photon-energy range at room temperature has been measured by spectroscopic ellipsometry. It is found that the dielectric function ε=ε_1+iε_2 of a-Ga_2Se_3 strongly resembles those of amorphous tetrahedrally bonded semiconductors. The optical energy gap estimated from the plots of Eε_2(E)^<1/2> versus E (photon energy) is 1.75 eV. Dielectric-related optical constants, such as the complex refractive index and absorption coefficient, of this amorphous semiconductor have also been presented.
- 社団法人応用物理学会の論文
- 1993-10-15
著者
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Adachi Sadao
Department Of Electronic Engineering Gunma University
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Ozaki Shunji
Department Of Electronic Engineering Faculty Of Engineering Gunma University
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