Pressure effect on the ferroelectric phase transition in nanosized NH4HSO4

被引：11

作者：

Cizman, Agnieszka ^{[1
]}

Marciniszyn, Tomasz ^{[1
]}

Poprawski, Ryszard ^{[1
]}

机构：

[1] Wroclaw Univ Technol, Inst Phys, PL-50370 Wroclaw, Poland

来源：

JOURNAL OF APPLIED PHYSICS | 2012年 / 112卷 / 03期

关键词：

DEPOLARIZATION FIELD; HYDROGEN SULFATE; ROOM-TEMPERATURE; PARTICLES; NANOPARTICLES; RELAXATION; FILMS;

D O I：

10.1063/1.4742017

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The dielectric permittivity and the specific heat results of the ammonium hydrogen sulphate NH4HSO4 embedded into porous glasses with different average pore sizes in a wide temperature and frequency ranges are presented. The influence of the pore size on the ferroelectric phase transition temperature is considered. The results suggest a possibility of the size-effect influence on the phase transition type. The results show a good agreement with a theory [W. L. Zhong et al., Phys. Rev. B 50, 698 (1994)] indicating a non-monotonic behavior of the low-temperature phase transition with a confined particle. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4742017]

引用

页数：6

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