Publication detail

Microstructural study of phase separation in (GeS3)(100-x)Ag-x and (GeS2)(100-x)Ag-x chalcogenide glasses

Year: 2021

Type of publication: článek ve sborníku

Name of source: Materials Today : Proceedings

Publisher name: Elsevier

Place: Kidlington

Page from-to: 530-533

Titles:

Language	Name	Abstract	Keywords
cze	Mikrostrukturní studie separace fází v (GeS3)(100-x)Ag-x a (GeS2)(100-x)Ag-x chalkogenidových sklech	Mikrostruktura (GeS3)(100-x)Ag-x (x = 0, 5, 10, 15, 20, 25) a (GeS2) (100-x)Ag-x (x = 0, 5, 10, 15 , 20) byl studován rastrovací elektronovou mikroskopií. Bylo zjištěno, že skla obou systémů jsou fázově oddělena: (GeS3)(100-x)Ag-x pro 5 <= x <= 20 at.% a (GeS2)(100-x)Ag-x pro 10 < = x <= 15 at. %. Morfologie koexistujících fází je v podstatě závislá na složení skla. Fázová separace je velmi výrazná u (GeS3)(100)Ag--x(x) skel a je zmenšena u (GeS2)(100-x)Ag-x, jak ukazuje velikost a prostorová distribuce většinových a menšinových fází.	Chalkogenidová skla; Ge-S-Ag; mikrostruktura; fázová separaceí; SEM
eng	Microstructural study of phase separation in (GeS3)(100-x)Ag-x and (GeS2)(100-x)Ag-x chalcogenide glasses	Microstructure of (GeS3)(100-x)Ag-x (x = 0, 5, 10, 15, 20, 25) and (GeS2)(100-x)Ag-x (x = 0, 5, 10, 15, 20) has been studied by scanning electron microscopy. It is found that the glasses of both systems are phase separated: (GeS3)(100-x)Ag-x for 5 <= x <= 20 at.% and (GeS2)(100-x)Ag-x for 10 <= x <= 15 at.%. Morphology of coexisting phases is essentially dependent on the glass composition. The phase-separation is very pronounced in (GeS3)(100)Ag--x(x) glasses and is diminished in (GeS2)(100-x)Ag-x as indicated by the size and spatial distribution of majority and minority phases. (C) 2019 Elsevier Ltd. All rights reserved.	Chalcogenide glasses; Ge-S-Ag; Microstructure; Phase separation; SEM

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