October 2009

Journal

Inelastic Neutron Scattering Study of the Specific Features of the Phase Transitions in (NH4)2WO2F4

By:
Smirnov, Lev; Kolesnikov, Alexander I; Flerov, I.; Laptash, N.
Journal Name:
Physics of the Solid State
Page Number:
2362-2366
Volume:
51
Issue Number:
11
Publication Date:
October 23, 2009
View DOI Listing:
https://doi.org/10.1134/S1063783409110262

Abstract

Oxyfluoride (NH4)2WO2F4 has been studied by the inelastic neutron scattering method over a wide temperature range 10–300 K at two initial neutron energies of 15 and 60 meV. The role of tetrahedral ammonium groups in the mechanism of sequential phase transitions at T1 = 201 K and T2 = 160 K has been discussed.


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