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Exploring the thermal properties of gallium sulfide (GaS) for high-temperature applications.

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Title: Exploring the thermal properties of gallium sulfide (GaS) for high-temperature applications.
Authors: Isik, M.1,2 (AUTHOR) mehmet.isik@bakircay.edu.tr, Altuntas, G.3 (AUTHOR), Gasanly, N. M.4,5 (AUTHOR)
Source: Applied Physics A: Materials Science & Processing. Jun2025, Vol. 131 Issue 6, p1-7. 7p.
Subjects: Differential thermal analysis, High temperature electronics, Thermophysical properties, Differential scanning calorimetry, Thermal stability
Abstract: The thermal stability and decomposition behavior of gallium sulfide (GaS) material are critical factors in determining its suitability for high-temperature applications. This study comprehensively investigates the GaS compound using thermogravimetric analysis (TGA), differential thermal analysis (DTA), and differential scanning calorimetry (DSC) to assess its thermal stability, decomposition mechanisms, and potential applications. TGA results revealed that GaS exhibits remarkable thermal stability up to 722 °C, with a significant weight loss observed at temperatures exceeding 786 °C. The activation energy for the key decomposition process between 722 and 786 °C was calculated to be 257 kJ/mol, indicating an energy-intensive reaction involving sulfur evaporation and structural reorganization. DTA analysis highlighted a major endothermic event at 789 °C. Additionally, DSC analysis identified two thermal processes with activation energies of 117 and 53 kJ/mol, respectively. These findings demonstrate that GaS not only maintains its structural integrity at high temperatures but also possesses unique thermal properties, making it a promising candidate for high-temperature electronics, thermophotovoltaics, and sensor technologies where thermal robustness is essential. [ABSTRACT FROM AUTHOR]
Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Exploring the thermal properties of gallium sulfide (GaS) for high-temperature applications.
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  Data: <searchLink fieldCode="DE" term="%22Differential+thermal+analysis%22">Differential thermal analysis</searchLink><br /><searchLink fieldCode="DE" term="%22High+temperature+electronics%22">High temperature electronics</searchLink><br /><searchLink fieldCode="DE" term="%22Thermophysical+properties%22">Thermophysical properties</searchLink><br /><searchLink fieldCode="DE" term="%22Differential+scanning+calorimetry%22">Differential scanning calorimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+stability%22">Thermal stability</searchLink>
– Name: Abstract
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  Data: The thermal stability and decomposition behavior of gallium sulfide (GaS) material are critical factors in determining its suitability for high-temperature applications. This study comprehensively investigates the GaS compound using thermogravimetric analysis (TGA), differential thermal analysis (DTA), and differential scanning calorimetry (DSC) to assess its thermal stability, decomposition mechanisms, and potential applications. TGA results revealed that GaS exhibits remarkable thermal stability up to 722 °C, with a significant weight loss observed at temperatures exceeding 786 °C. The activation energy for the key decomposition process between 722 and 786 °C was calculated to be 257 kJ/mol, indicating an energy-intensive reaction involving sulfur evaporation and structural reorganization. DTA analysis highlighted a major endothermic event at 789 °C. Additionally, DSC analysis identified two thermal processes with activation energies of 117 and 53 kJ/mol, respectively. These findings demonstrate that GaS not only maintains its structural integrity at high temperatures but also possesses unique thermal properties, making it a promising candidate for high-temperature electronics, thermophotovoltaics, and sensor technologies where thermal robustness is essential. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Applied Physics A: Materials Science & Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00339-025-08555-2
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        Text: English
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        Type: general
      – SubjectFull: High temperature electronics
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      – SubjectFull: Thermophysical properties
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      – SubjectFull: Differential scanning calorimetry
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      – SubjectFull: Thermal stability
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              M: 06
              Text: Jun2025
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              Y: 2025
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