Microheterogeneity of Glassy Films of As2Sx (x<3) and Dendritic Texture on the Glasses
- 1 December 1968
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 7 (12)
- https://doi.org/10.1143/jjap.7.1434
Abstract
Glassy films of As2S x with a continuous and optically uniform structure have been prepared by evaporation under the normal pressure in N2 gas, x ranging from 2.7 to 2.9. The microheterogeneity and a dendritic texture of the films have been studied by means of optical microscope, X-ray diffraction, electron microscope and chemical etching. X-ray powder data for the dendritic texture did not fit any compound listed in the A.S.T.M. data file but are essentially identical with the synthesized As2S2 (or As4S4). Electron micrographs of surfaces etched with NaOH solution indicated the microheterogeneity of the glassy films. The present results suggest that the glass film is a microheterogeneous system consisting of an aggregate mixture of As2S3 and As2S2 (or As4S4).Keywords
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