Switchable crystal-amorphous states of NiSO4.6H2O induced by a Reddy tube

Sivakumar, A and Sahaya Jude Dhas, S and Thirupathy, J and Reddy, KPJ and Kumar, RS and Almansour, AI and Chakraborty, S and Martin Britto Dhas, SA (2022) Switchable crystal-amorphous states of NiSO4.6H2O induced by a Reddy tube. In: New Journal of Chemistry, 46 (11). pp. 5091-5099.

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Abstract

Dynamic supersonic shock waves have a very fascinating property of inducing phase transitions in materials, as is evident from the present research work. Despite much experimental and theoretical research work that has been carried out over the past 100 years on shock waves, which has brought about significant contributions to understanding the irreversible phase transition behaviour of materials under shocked conditions, the concept of switchable phase transitions, especially from the crystalline to amorphous as a result of dynamic shock waves, is not clearly understood. In the present framework, the authors reveal and present the novel results of a switchable phase transition occurring between the crystalline (C) and amorphous (A) phases in a nickel sulfate hexahydrate single-crystal triggered by dynamic shock waves under ambient conditions, thereby following the sequence of C-C-A-C-A-C-A-C-A when the number of shock pulses is 0, 1, 2, 3, 4, 5, 6, 7, and 8, respectively. The observed results of the phase transition are convincingly reflected through diffraction, spectroscopic, and microscopic analyses. © 2022 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.

Item Type:	Journal Article
Publication:	New Journal of Chemistry
Publisher:	Royal Society of Chemistry
Additional Information:	The copyright for this article belongs to Royal Society of Chemistry
Keywords:	Nickel sulfates; Single crystals; Sulfur compounds, Amorphous state; Condition; Crystal-amorphous; Experimental research; Irreversible phase; Phase transition behaviours; Property; Shock-waves; Switchable; Theoretical research, Shock waves
Department/Centre:	Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited:	18 May 2022 05:51
Last Modified:	18 May 2022 05:51
URI:	https://eprints.iisc.ac.in/id/eprint/71806

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