Peculiarities of Ga Ge100--Se glasses crystallization as potential materials for optical IR glass-ceramics
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Abstract
Abstract A comprehensive study of the crystallization of GaxGe100-x-ySey (x = 0–30; y = 60–75) glasses by means of differential scanning calorimetry, X-ray diffraction analysis, optical microscopy and scanning electron microscopy as carried out. Glass transition temperature and stability against crystallization decrease with increasing gallium content in the glasses. During the glass crystallization, phases of variable composition, isostructural to the polymorphic modifications of Ga2Se3, are formed. Samples with ≤10 at.% gallium content contain germanium mono- and diselenide phases. A distinctive feature of the crystallization of GaxGe100-x-ySey glasses is the formation of globules – localized 10–60 µm sized regions with an increased crystalline phase content. The formation of globules at the stage of melt quenching determines the microscopic structure of glasses. Among the studied compositions, glasses with a selenium content of 60 at.% and gallium content up to 15 at.% are recommended as optimum for the preparation of IR glass-ceramic materials.
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Research context
OpenAlex topics: Phase-change materials and chalcogenides · Glass properties and applications · Mineralogy and Gemology Studies
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References (40)
Show source-provided references
1. Optical properties of chalcogenide glasses and fibers, in the book “Chalcogenide glasses: preparation, properties and applications
2. Thermal properties of chalcogenide glasses, in the book “Chalcogenide glasses: preparation, properties and applications
3. Evaluation of chalcogenide lenses used in thermal vision systems
4. Infrared monitoring of underground CO2 storage using chalcogenide glass fibers10.1016/j.optmat.2007.10.014 ↗
5. Optical fibers for medical applications
6. Chalcogenide glasses and glass-ceramics: Transparent materials in the infrared for dual applications10.1016/j.crhy.2017.05.003 ↗
7. Fiber-based sources of coherent MIR radiation: key advances and future prospects10.1364/OE.400003 ↗
8. Preparation and investigation of Pr3+-doped Ge-Sb-Se-In-I glasses as promising material for active mid-infrared optics10.1016/j.jlumin.2016.11.032 ↗
9. G.Z. Vinogradova, Stekloobraznye i fazovye ravnovesiya v khalkogenidnikh sistemakh (Glass-formation and phase equilibrium in chalcogenide systems), Мoscow, Nauka, 1984, 174 p. [in Russian].
10. First demonstration of ~ 5 µm laser action in terbium-doped selenide glass10.1007/s00340-020-07473-w ↗
11. Laser potential of Pr3+ doped chalcogenide glass in 5-6 μm spectral range
12. Transparent chalcogenide glass-ceramics, in the book “Chalcogenide glasses: preparation, properties and applications
13. Structure of Glasses in the Pseudobinary System Ga2Se3−GeSe2: Violation of Chemical Order and 8-N Coordination Rule10.1021/jp410017k ↗
14. Short and medium range structures of 80GeSe2-20Ga2Se3 chalcogenide glasses10.1088/1361-648X/aaaf36 ↗
15. Cold' crystallization in nanostructurized 80GeSe2-20Ga2Se3 glass10.1186/s11671-015-0775-9 ↗
16. Thermally-induced crystallization behaviour of 80GeSe2-20Ga2Se3 glass as probed by combined X-ray diffraction and PAL spectroscopy10.1016/j.jallcom.2013.07.127 ↗
17. Formation and Properties of GeSe2–Ga2Se3–PbI2 Novel Chalcohalide Glasses10.1111/j.1551-2916.2008.02321.x ↗
18. Optical and photoluminescence properties of Er-doped (GeSe2)1−x(Ga2Se3)x bulk glasses
19. Influence of gallium and alkali halide addition on the optical and thermo-mechanical properties of GeSe2-Ga2Se3 glass10.1007/s00339-007-4081-y ↗
20. Thermal Properties, Microstructure, and Conductivity of New Glasses Based on the GeSe2–Ga2Se3–AgI System10.1111/j.1551-2916.2008.02816.x ↗
21. Incorporation of Ga into the structure of Ge–Se glasses10.1016/j.matchemphys.2012.12.084 ↗
22. Modeling and experimental determination of physical properties of GexGaySe1-x-y chalcogenide glasses I: Structure and mechanical properties10.1016/j.jnoncrysol.2019.01.031 ↗
23. Modeling and experimental determination of physical properties of GexGaySe1-x-y chalcogenide glasses II: Optical and thermal properties10.1016/j.jnoncrysol.2019.01.034 ↗
24. Chemical ordering in Ge-Ga-Se glasses10.1016/0022-3093(90)91034-O ↗
25. Distribution of elements in Ge–Se bulk glasses and optical fibers detected by inductively coupled plasma atomic emission spectrometry10.1016/j.jpcs.2020.109461 ↗
26. 1998
27. Study of characteristic temperatures and nonisothermal crystallization kinetics in As-Se-Te glass system10.1016/j.solidstatesciences.2004.10.027 ↗
28. Crystallization behavior of (GeTe4)x(GaTe3)100-x glasses for far-infrared optics applications10.1016/j.jallcom.2018.08.150 ↗
29. Calorimetric study of characteristic temperatures and crystallization behaviour in Ge-As-Se-Te glass system10.1016/j.jpcs.2004.05.001 ↗
30. Evaluation of glass-forming tendency by means of DTA, Czech
31. Revised Effective Ionic Radii and Systematic Studies of Interatomic Distances in Halides and Chalcogenides10.1107/S0567739476001551 ↗
32. Exsolution by spinodal decomposition in multicomponent mineral solutions10.1016/j.actamat.2012.07.006 ↗
33. Phase Separation Inducing Controlled Crystallization of GeSe2–Ga2Se3–CsI Glasses for Fabricating Infrared Transmitting10.1111/j.1551-2916.2008.02832.x ↗
34. Système ternaire La2Se3-Ga2Se3-GeSe2 diagramme de phase - Etude des verres10.1016/0025-5408(77)90100-3 ↗
35. Preparation of high-purity chalcogenide glasses, In the book “Chalcogenide glasses: preparation, properties and applications
36. Preparation of chalcogenide glasses of As–S, Ge–S, Ge–Se systems from monoisotopic elements10.1016/j.jnoncrysol.2012.11.014 ↗
37. Daniel Harris · 1999
38. Radial gradient refractive index (GRIN) infrared lens based on spatially resolved crystallization of chalcogenide glass10.1364/OME.383868 ↗
39. Mitkova · Glasbildung im System Ge–Se–Ga, C.R. Acad. Bulg. Sci. · 1975 · 28 · 189
40. Thermochemistry of the Ga-Se System10.1149/2.0011507jss ↗