An Influence of Mechanical Stresses on the Magnitude of the Internal Field in Lead Zirconate Titanate Thin Films

被引：0

作者：

Valeeva, A. R. ^{[1
]}

Kaptelov, E. Yu. ^{[1
]}

Senkevich, S. V. ^{[1
]}

Pronin, I. P. ^{[1
]}

Nemov, S. A. ^{[2
]}

Pronin, V. P. ^{[3
]}

机构：

[1] Ioffe Inst, St Petersburg, Russia

[2] Peter Great St Petersburg Polytech Univ, St Petersburg, Russia

[3] Herzen State Pedag Univ Russia, St Petersburg, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2023年 / 49卷 / SUPPL 3期

关键词：

thin films; lead zirconate titanate; internal field; Gorsky effect; SELF-POLARIZATION; PZT; FLEXOELECTRICITY; STATE;

D O I：

10.1134/S1063785023010327

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In self-polarized lead zirconate titanate thin films formed on platinized silicon substrates, a significant increase in the internal electric field was observed as a result of long-term aging. To explain this phenomenon, a mechanism is proposed for the formation of the internal field associated with the diffusion of charged oxygen vacancies, which, in turn, is due to the action of a mechanical stress gradient. The diffusion coefficient of charged oxygen vacancies was estimated to be similar to 3 x 10(-16) cm(2)/s.

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页码：S295 / S298

页数：4

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