Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Martensitic Phase Transition in Yttrium-Stabilized ZrO2 Nanopowders by Adsorption of Water

Version 1 : Received: 22 November 2021 / Approved: 23 November 2021 / Online: 23 November 2021 (10:25:11 CET)
Version 2 : Received: 30 November 2021 / Approved: 1 December 2021 / Online: 1 December 2021 (13:07:43 CET)

How to cite: Asgerov, E.B.; Beskrovnyy, A.I.; Doroshkevich, N.V.; Mita, C.; Mardare, D.M.; Chicea, D.; Lazar, D.; Tatarinova, A.A.; Lyubchyk, S.I.; Lyubchyk, S.B.; Lyubchyk, A.I.; Doroshkevich, A.S. Martensitic Phase Transition in Yttrium-Stabilized ZrO2 Nanopowders by Adsorption of Water. Preprints 2021, 2021110417 (doi: 10.20944/preprints202111.0417.v2). Asgerov, E.B.; Beskrovnyy, A.I.; Doroshkevich, N.V.; Mita, C.; Mardare, D.M.; Chicea, D.; Lazar, D.; Tatarinova, A.A.; Lyubchyk, S.I.; Lyubchyk, S.B.; Lyubchyk, A.I.; Doroshkevich, A.S. Martensitic Phase Transition in Yttrium-Stabilized ZrO2 Nanopowders by Adsorption of Water. Preprints 2021, 2021110417 (doi: 10.20944/preprints202111.0417.v2).

Abstract

The present study was aimed at revealing the influence of the mechanical stress induced by water molecules adsorption on the composition of crystalline phases in the ZrO2–3mol%Y2O3-nanoparticles. Three basic methods have been used to determine the phase transition: neutron diffraction, Raman microspectroscopic scanning, and X-ray diffraction. The fact of phase-structural β → α transformation and the simultaneous presence of two polymorphic structural modifications (β is the phase of the tetragonal syngony and α of monoclinic syngony in nanosized particles (9nm)) under normal physical conditions was established by these methods. Satisfactory consistency was achieved between the results obtained using different techniques.

Keywords

nanopowders; zirconium oxide nanoparticles; adsorption phase transition; polymorphism in zirconium dioxide; size effect of structural stabilization

Subject

PHYSICAL SCIENCES, Other

Comments (1)

Comment 1
Received: 1 December 2021
Commenter: Alisa Tatarinova
Commenter's Conflict of Interests: Author
Comment: VA Alexandrov was removed from co-authors,
AS Doroshkevich was made corresponding author
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