Glass formation and vibrational properties in the (Ge, Sn) system
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説明
Abstract The glass forming tendency and infrared reflectance spectra are investigated in the (Ge, Sn) system. It is found that the glass formation of the SnSe system is much more difficult than that of the Ge system. This is mainly ascribed to the ionicity difference between GeSe and SnSe bonds. Infrared spectra in the glassy Ge1-xSex system at the composition 0.67 SnSe 4 2 tetrahedron are found in the glassy (Ge, Sn)-Se system. It is suggested that tin atoms are mainly incorporated into the clusters. Importance of the medium range order is discussed in the formation of the glasses.
収録刊行物
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- Solid State Communications
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Solid State Communications 42 513-516, 1982-05-01
Elsevier BV