Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.1016/j.solidstatesciences.2016.08.012

Аннотация: Single crystals of (ND4)(2)MoO2F4 containing 95% deuterium were produced by repeated recrystallization of (NH4)(2)MoO2F4 in heavy water. The effect of deuteration on the parameters of successive phase transitions was investigated by differential scanning microcalorimetry and polarization optics. X-ray analysis of the original and dПоказать полностьюistorted phases was performed. It was found that deuteration does not change the sequence of crystal phases typical for (NH4)(2)MoO2F4, but leads to a shift in the phase transition Cmcm -> Pnma towards the tricritical point. The mechanism of phase transitions in (ND4)(2)MoO2F4 was associated with both the ordering and the displacement of atoms. (C) 2016 Elsevier Masson SAS. All rights reserved.

Журнал: SOLID STATE SCIENCES

Выпуск журнала: Vol. 61

Номера страниц: 155-160

ISSN журнала: 12932558

Место издания: AMSTERDAM

Издатель: ELSEVIER SCIENCE BV

• Bogdanov Evgeniy V. (RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Krasnoyarsk State Agr Univ, Krasnoyarsk 660049, Russia)
• Mel'nikova Svetlana V. (RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia)
• Pogoreltsev Evgeniy I. (RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian fed univ, Inst engn phys & radioelect, Krasnoyarsk 660074, Russia)
• Molokeev Maxim S. (RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Far Eastern State Transport Univ, Khabarovsk 680021, Russia)
• Flerov Igor N. (RAS, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia; Siberian fed univ, Inst engn phys & radioelect, Krasnoyarsk 660074, Russia)

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