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Glass formation, physical properties and optical properties of Ge-Se-Sn and Ge-Sb-Se-Sn alloys

机译:Ge-Se-Sn和Ge-Sb-Se-Sn合金的玻璃形成,物理性能和光学性能

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Arsenic-free Ge-Se-Sn and Ge-Sb-Se-Sn alloys were prepared by quenching the melt into water. Their glass formation, glass transition temperatures, microhardness, density and infrared (IR) transmittance were examined. Metallographical examination and X-ray diffraction were used for the identification of glass formation. The glass formation regions are located near the Se-rich corner. For the Ge-Se-Sn and Ge-Sb-Se-Sn alloys examined in this study, the glass transition temperatures vary from 86-54 degreesC to 13-328 degreesC, and the values of Vicker's to 109-191 kg mm(-2), respectively. The IR transmittance is very low for crystalline specimens and hardness vary from 55-165 kg mm(-2) for most of the Ge-Se-Sn and Ge-Sb-Se-Sn glasses, it is around 55-65%. Absorption peaks of H-O and Ge-O are found in most of the IR results, which indicates humidity and oxygen absorption during sample preparation. (C) 2002 Elsevier Science B.V. All rights reserved. [References: 27]
机译:通过将熔体淬火到水中来制备无砷的Ge-Se-Sn和Ge-Sb-Se-Sn合金。检查了它们的玻璃形成,玻璃化转变温度,显微硬度,密度和红外(IR)透射率。金相检查和X射线衍射用于鉴定玻璃的形成。玻璃形成区域位于富硒角附近。对于本研究中研究的Ge-Se-Sn和Ge-Sb-Se-Sn合金,玻璃化转变温度从86-54摄氏度到13-328摄氏度不等,维氏值到109-191千克mm(- 2)。对于大多数晶体样品,其红外透射率非常低,对于大多数Ge-Se-Sn和Ge-Sb-Se-SnSn玻璃,其硬度在55-165 kg mm(-2)之间变化,约为55-65%。在大多数红外结果中都发现了H-O和Ge-O的吸收峰,这表明样品制备过程中的湿气和氧气吸收。 (C)2002 Elsevier Science B.V.保留所有权利。 [参考:27]

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