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Optical and X-ray Diffraction Studies of the Symmetry of Distorted Phases of the (NH4)(3)ZrF7 Crystal / S. V. Misyul [et al.] // Phys. Solid State. - 2008. - Vol. 50, Is. 10. - P. 1951-1956, DOI 10.1134/S1063783408100272. - Cited References: 12. - This work was supported by the Council on Grants from the President of the Russian Federation (project NSh-4137.2006.2).
. - ISSN 1063-7834РУБ Physics, Condensed Matter
Рубрики:
AMMONIUM HEPTAFLUOROZIRCONATE
DISORDER
TRANSITION
K3ZRF7
Аннотация: (NH4)(3)ZrF7 single crystals were grown, and polarization-optical and x-ray diffraction studies were performed on powders and crystalline plates of various cuts over a wide temperature range. Phase transitions are revealed at temperatures T-1 up arrow = 280 K, T-2 up arrow = 279.6 K, T-3 up arrow = 260-265 K, and T-4 up arrow = 238 K on heating and at T-1 down arrow = 280 K, T-2 down arrow = 269-270 K, T-3 down arrow = 246 K, and T-4 down arrow = 235 K on cooling. The sequence of changes in symmetry is established to be as follows: O-h(5) (Z = 4)↔ D-2h(25) (Z = 2) ↔ C-2h(3) (Z = 2)↔ C-i(1) (Z = 108)↔ monoclinic(2) (Z = 216).
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Держатели документа:
[Misyul, S. V.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Mel'nikova, S. V.
Bovina, A. F.] Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Laptash, N. M.] Russian Acad Sci, Inst Chem, Far E Div, Vladivostok 690022, Russia
ИФ СО РАН
Siberian Federal University, Svobodnyi pr. 59, Krasnoyarsk 660041, Russian Federation
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Institute of Chemistry, Far East Division, Russian Academy of Sciences, pr. Stoletiya Vladivostoka 159, Vladivostok 690022, Russian Federation
Доп.точки доступа:
Misyul, S. V.; Мисюль, Сергей Валентинович; Mel'nikova, S. V.; Мельникова, Светлана Владимировна; Bovina, A. F.; Бовина, Ася Федоровна; Laptash, N. M.
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