The formation and properties of glasses based on Ga2S3-Bi2S3 system

Kadono, Kohei; Furukawa, Mikiya; Yamamoto, Shigeru; Wakasugi, Takashi; Okada, Arifumi

doi:10.1080/21870764.2020.1732006

Cited by 4 publications

(1 citation statement)

References 31 publications

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“…With a significant increase in the relative content of Sb 2 S 3 in glasses (compositions 1 and 2 ), a peak appeared in the region of 16.1 μm, which, apparently, was due to the presence of Sb-O bonds (the Raman spectrum of crystalline Sb 2 O 3 was characterized by an intense band in the region of 647 cm −1 (15.5 μm) and a weak band at 592 cm −1 (16.9 μm)) [ 30 ]. Impurity Ga-O bonds (14.7 μm) [ 31 ] can also be presented in the glasses.…”

Section: Resultsmentioning

confidence: 99%

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Tverjanovich,

Tveryanovich,

Shahbazova

2023

Materials

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The physicochemical, optical, and luminescent properties and structures of glasses of the Ga2S3-GeS2-Sb2S3:Pr system have been studied in a wide range of concentrations of the main components in order to reveal their correlation with the composition. According to the calculations using the Judd–Ofelt theory, glasses with a high content of Sb2S3 should provide the highest luminescence efficiency of Pr3+ ions. However, this result is leveled by enhancing the concentration quenching effect, followed by an increase of the Sb2S3 content in the glasses. The introduction of Pr leads to a significant increase in the fraction of Sb-Sb, Sb-Ge, Ge-Ge bonds in glasses enriched with Sb2S3 and GeS2. In the cases of the glasses enriched with Ga2S3, this effect was not observed, apparently because Ga promotes the formation of three-coordinated sulfur atoms.

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Section: Resultsmentioning

confidence: 99%

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Tverjanovich,

Tveryanovich,

Shahbazova

2023

Materials

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Effects of oxides on optical absorption and homogeneity of GeS₂-Sb₂S₃-based glass

Furukawa

Tanaka²,

Wada

et al. 2021

Journal of Asian Ceramic Societies

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Recent progress in chalcogenide glasses applicable to infrared optical elements manufactured by molding technology

Kadono

Kitamura

2022

J. Ceram. Soc. Japan

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Chalcogenide glass is a unique material applicable to infrared-transmitting optical elements that cover the atmospheric windows. It can be manufactured using molding technology, which provides mass productivity and high quality. Interest in chalcogenide glass research and developments has increased recently because of the rapid growth of the infrared optics market. This review summarizes the glass formation and properties of recently developed chalcogenide glasses. Selenium-based glasses which are widely used commercially have been introduced in comparison with infrared-transmitting crystals such as Ge and ZnSe. For sulfur-based glasses, glass-forming systems based on GeS and GaS have been described. These systems are completely free of arsenic and selenium, which are commonly used in conventional chalcogenide glasses. However, they provide glasses that are thermally stable against crystallization, and moldable. The typical spectral windows for GeS and GaS-based glasses have ranges of approximately 0.611 and 0.813 ¯m, respectively, although the short wavelength side strongly depends on the composition. Tellurium-based glasses are characterized by transmission in the far-infrared region, beyond 20 ¯m, and a refractive index higher than three. Recent studies on the temperature dependence of the viscosity and viscoelastic behaviors of chalcogenide glasses, which are both important for precision molding technology, are also discussed. Two characteristic structural relaxations have been observed in sulfide and selenide glasses.

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The formation and properties of glasses based on Ga₂S₃-Bi₂S₃ system

Abstract: 2020) The formation and properties of glasses based on Ga 2 S 3 -Bi 2 S 3 system,

Cited by 4 publications

References 31 publications

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Effects of oxides on optical absorption and homogeneity of GeS₂-Sb₂S₃-based glass

Recent progress in chalcogenide glasses applicable to infrared optical elements manufactured by molding technology

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The formation and properties of glasses based on Ga2S3-Bi2S3 system

Abstract: 2020) The formation and properties of glasses based on Ga 2 S 3 -Bi 2 S 3 system,

Cited by 4 publications

References 31 publications

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Effects of oxides on optical absorption and homogeneity of GeS2-­Sb2S3-based glass

Recent progress in chalcogenide glasses applicable to infrared optical elements manufactured by molding technology

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The formation and properties of glasses based on Ga₂S₃-Bi₂S₃ system

Effects of oxides on optical absorption and homogeneity of GeS₂-Sb₂S₃-based glass