Ferroelectric fatigue of Pb(Zr,Ti)O3 thin films measured in atmospheres of varying oxygen concentration

被引：65

作者：

Brazier, M ^{[1
]}

Mansour, S ^{[1
]}

McElfresh, M ^{[1
]}

机构：

[1] Purdue Univ, W Lafayette, IN 47907 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 74卷 / 26期

关键词：

D O I：

10.1063/1.123251

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ferroelectric fatigue in Pb(Zr,Ti)O-3 films was found to be remarkably sensitive to the oxygen partial pressure of the atmosphere above the film during measurement. Films with Zr/Ti ratios of 55/45 and 75/25 were subjected to ferroelectric fatigue testing at room temperature in atmospheres of various oxygen partial pressure, or pO(2). The number of switching cycles at which the onset of fatigue occurred was found to be sharply peaked with respect to the oxygen partial pressure surrounding the sample. Such a striking dependence on the oxygen concentration strongly supports current theories for fatigue that involve oxygen vacancy migration. (C) 1999 American Institute of Physics. [S0003-6951(99)00726-3].

引用

页码：4032 / 4033

页数：2

共 15 条

[1] Unconventional hysteresis behavior in compositionally graded Pb(Zr,Ti)O3 thin films [J].