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Article Dans Une Revue Journal of Physical Chemistry C Année : 2022

Dynamic Shock Wave-Induced Amorphous-to-Crystalline Switchable Phase Transition of Lithium Sulfate

Résumé

In recent years, there have been significant efforts made by materials science researchers to search for new phase-change materials, especially those possessing the caliber of influencing switchable phase changes, i.e., crystal-crystal and crystal-amorphous changes. Phase-change materials of such kind have attracted tremendous demand for technologically important applications, such as current resistive memories and thermal energy storage. In the present article, the switchable amorphous-glassy-crystalline-amorphous phase transitions occurring in the samples of lithium sulfate have been systematically experimented and demonstrated at dynamic shock wave-loaded conditions of various counts of shock pulses. The shocked samples have been evaluated using powder X-ray diffraction (PXRD), ultraviolet-visible (UV-vis) spectroscopy, and Raman spectroscopy. The shock wave-induced orientational order-disorder of the SO4 tetrahedron and the positional disorders of the lithium atoms led to the observed switchable phase transitions with respect to the number of shock pulses.
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Dates et versions

hal-03629794 , version 1 (06-05-2022)

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Paternité - Pas d'utilisation commerciale

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A. Sivakumar, S. Sahaya Jude Dhas, Shubhadip Chakraborty, Raju Suresh Kumar, Abdulrahman Almansour, et al.. Dynamic Shock Wave-Induced Amorphous-to-Crystalline Switchable Phase Transition of Lithium Sulfate. Journal of Physical Chemistry C, 2022, 126 (6), pp.3194-3201. ⟨10.1021/acs.jpcc.1c09411⟩. ⟨hal-03629794⟩
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