Growth of ferroelectric oxide films on n-GaN/c-sapphire structures

被引:28
作者
Fuflyigin, V [1 ]
Osinsky, A [1 ]
Wang, F [1 ]
Vakhutinsky, P [1 ]
Norris, P [1 ]
机构
[1] NZ Appl Technol, Woburn, MA 01801 USA
关键词
D O I
10.1063/1.126112
中图分类号
O59 [应用物理学];
学科分类号
摘要
High-quality (Pb, La)(Ti, Zr)O-3 films were grown on n-GaN. The film thickness ranged from 0.5 to 5 mu m. The material was prepared by a chemical solution method with compositions of 8/65/35 and 0/52/48. The films grown on GaN buffered with a thin layer of indium in oxide were highly textured and exhibited excellent ferroelectric properties with P-r=20-26 mu C/cm(2). A large field-induced birefringence of 0.025 was measured in the film with a composition of 8/65/35 under a field strength of 2x10(5) V/cm. (C) 2000 American Institute of Physics. [S0003-6951(00)02512-2].
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页码:1612 / 1614
页数:3
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