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Crystalline state in a pressure region of proceeding amorphization of SnI4.

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Title: Crystalline state in a pressure region of proceeding amorphization of SnI4.
Authors: Fuchizaki, Kazuhiro1 (AUTHOR) fuchizak@phys.sci.ehime-u.ac.jp, Naruta, Hiroki1 (AUTHOR), Sato, Fumiya2 (AUTHOR), Ohuchi, Tomohiro3 (AUTHOR), Suzuki, Akio4 (AUTHOR)
Source: High Pressure Research. Mar2025, Vol. 45 Issue 1, p90-107. 18p.
Subjects: Phase transitions, Amorphization, Diffraction patterns, X-ray diffraction, Tin
Abstract: Room-temperature compression with a diamond-anvil cell without pressure-transmitting media has detected SnI ${}_4$ 4 's pressure-induced solid-state amorphization at around 15 GPa. Multianvil apparatus compression employed in this study shows us an entirely different aspect; instead of undergoing amorphization, SnI ${}_4$ 4 remains crystalline, which is stabilized by heating from room temperature. This crystalline state could be the metallic phase, the high pressure modification, whose existence has been known, but the structure remains unresolved. Surprisingly, this crystalline state transforms to another crystalline state, not yet reported thus far, before returning to the ambient phase upon isothermal decompression at about 530 K and 640 K. Combined Angle- and Energy-Structural Analysis and Refinement (CAESAR), devised by Wang et al. (J Appl Cryst. 2004;37;947), with which to convert energy-dispersive diffraction patterns to those of angle-dispersive ones, is demonstrated as a profitable approach that can compensate a standard energy dispersive measurement. [ABSTRACT FROM AUTHOR]
Copyright of High Pressure Research is the property of Taylor & Francis Ltd 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: <searchLink fieldCode="JN" term="%22High+Pressure+Research%22">High Pressure Research</searchLink>. Mar2025, Vol. 45 Issue 1, p90-107. 18p.
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  Data: <searchLink fieldCode="DE" term="%22Phase+transitions%22">Phase transitions</searchLink><br /><searchLink fieldCode="DE" term="%22Amorphization%22">Amorphization</searchLink><br /><searchLink fieldCode="DE" term="%22Diffraction+patterns%22">Diffraction patterns</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Tin%22">Tin</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Room-temperature compression with a diamond-anvil cell without pressure-transmitting media has detected SnI ${}_4$ 4 's pressure-induced solid-state amorphization at around 15 GPa. Multianvil apparatus compression employed in this study shows us an entirely different aspect; instead of undergoing amorphization, SnI ${}_4$ 4 remains crystalline, which is stabilized by heating from room temperature. This crystalline state could be the metallic phase, the high pressure modification, whose existence has been known, but the structure remains unresolved. Surprisingly, this crystalline state transforms to another crystalline state, not yet reported thus far, before returning to the ambient phase upon isothermal decompression at about 530 K and 640 K. Combined Angle- and Energy-Structural Analysis and Refinement (CAESAR), devised by Wang et al. (J Appl Cryst. 2004;37;947), with which to convert energy-dispersive diffraction patterns to those of angle-dispersive ones, is demonstrated as a profitable approach that can compensate a standard energy dispersive measurement. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of High Pressure Research is the property of Taylor & Francis Ltd 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: 10.1080/08957959.2025.2449692
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      – Code: eng
        Text: English
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        StartPage: 90
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      – SubjectFull: Phase transitions
        Type: general
      – SubjectFull: Amorphization
        Type: general
      – SubjectFull: Diffraction patterns
        Type: general
      – SubjectFull: X-ray diffraction
        Type: general
      – SubjectFull: Tin
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              Text: Mar2025
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              Y: 2025
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