Inelastic neutron scattering study of the specific features of the phase transitions in (NH4)2WO2F4

L. S. Smirnov; A. I. Kolesnikov; I. N. Flerov; N. M. Laptash

doi:10.1134/S1063783409110262

Inelastic neutron scattering study of the specific features of the phase transitions in (NH₄)₂WO₂F₄

L. S. Smirnov, A. I. Kolesnikov, I. N. Flerov, N. M. Laptash

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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.

Original language	English
Pages (from-to)	2362-2366
Number of pages	5
Journal	Physics of the Solid State
Volume	51
Issue number	11
DOIs	https://doi.org/10.1134/S1063783409110262
State	Published - Nov 2009

Funding

ACKNOWLEDGMENTS This study was supported by the Russian Founda tion for Basic Research (project no. 09 02 00062) and the ORNL/SNS controlled by UT Battelle, LLC, the U.S. Department of Energy (contract DE AC05 00OR22725); the experiments in the Argonne National Laboratory were supported by the Office of General Sciences on Energy, Division of Materials Science of the U.S. Department of Energy (contract DE AC02 06CH11357).

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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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AU - Flerov, I. N.

AU - Laptash, N. M.

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N2 - 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.

AB - 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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Inelastic neutron scattering study of the specific features of the phase transitions in (NH₄)₂WO₂F₄

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