Influence of the Thickness of [N(CH_3)_4]_2Zn_(0.75)Mn_(0.25)Cl_4 Crystal on the Phase-Transition Temperature

S. A. Sveleba; I. V. Karpa; I. M. Katerynchuk; I. M. Kunyo; E. I. Phitsych

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Influence of the Thickness of [N(CH_3)_4]_2Zn_(0.75)Mn_(0.25)Cl_4 Crystal on the Phase-Transition Temperature

机译：[N（CH_3）_4] _2Zn_（0.75）Mn_（0.25）Cl_4晶体的厚度对相变温度的影响

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The change in the phase-transition temperature of [N(CH_3)_4]_2Zn_(0.75)Mn_(0.25)Cl_4 crystal as a function of its size (3500 μm–1 μm) has been investigated. It is established that a decrease in crystal sizes along the spontaneous-polarization axis is accompanied by several effects: a shift of the initial phase–incommensurate phase transition point to higher temperatures, an increase in the temperature range of existence of incommensurate phase, an increase in the temperature range of existence of metastable states of incommensurate structure, the occurrence of new long-period commensurate phases, and an increase in phase-transition temperature hysteresis at T_c and T_3. The possibility that a size effect exists in the phase diagram of this crystal is discussed.

机译：研究了[N（CH_3）_4] _2Zn_（0.75）Mn_（0.25）Cl_4晶体的相变温度随其尺寸（3500 μm–1μm）的变化。可以确定的是，沿着自发极化轴的晶体尺寸减小伴随着以下几种效应：初始相-不相称相变点向更高温度的偏移，不相称相存在的温度范围的增加，增加在存在不相称结构的亚稳状态的温度范围内，出现了新的长周期相称相，并且在T_c和T_3处相变温度滞后增大。讨论了在该晶体的相图中存在尺寸效应的可能性。

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来源
《Crystallography reports》 |2014年第2期|共9页
作者
S. A. Sveleba; I. V. Karpa; I. M. Katerynchuk; I. M. Kunyo; E. I. Phitsych;
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正文语种 eng
中图分类晶体学;
关键词
change; spontaneous-polarization; commensurate;

机译：变化;自发极化;相称;

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1. Influence of the Thickness of [N(CH_3)_4]_2Zn_(0.75)Mn_(0.25)Cl_4 Crystal on the Phase-Transition Temperature [J] . S. A. Sveleba, I. V. Karpa, I. M. Katerynchuk, Crystallography reports . 2014,第2期

机译：[N（CH_3）_4] _2Zn_（0.75）Mn_（0.25）Cl_4晶体的厚度对相变温度的影响
2. ВЛИЯНИЕ ТОЛЩИНЫ КРИСТАЛЛА [N(CH_3)_4]_2ZN_(0.75)MN_(0.25)CL_4 НА ТЕМПЕРАТУРУ ФАЗОВЫХ ПЕРЕХОДОВ [J] . СВЕЛЕБА С.А., КАРПА И.В., КАТЕРИНЧУК И.Н., Кристаллография . 2014,第2期

机译：晶体厚度[n（ch_3）_4] _2zn_（0.75）Mn_（0.25）Cl_4对相变温度的影响
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Influence of the Thickness of [N(CH_3)_4]_2Zn_(0.75)Mn_(0.25)Cl_4 Crystal on the Phase-Transition Temperature

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