Integration of nonlinear dielectric barium strontium titanate with polycrystalline yttrium iron garnet

被引:62
|
作者
Jia, QX
Groves, JR
Arendt, P
Fan, Y
Findikoglu, AT
Foltyn, SR
Jiang, H
Miranda, FA
机构
[1] Los Alamos Natl Lab, Superconduct Technol Ctr, Los Alamos, NM 87545 USA
[2] NZ Appl Technol, Woburn, MA 01801 USA
[3] NASA, Lewis Res Ctr, Cleveland, OH 44135 USA
关键词
D O I
10.1063/1.123617
中图分类号
O59 [应用物理学];
学科分类号
摘要
Biaxially oriented nonlinear dielectric Ba0.6Sr0.4TiO3 (BST) films have been grown on polycrystalline ferrite yttrium iron garnet (YIG) substrates. We use a structurally and chemically compatible MgO buffer to improve the crystallinity of the BST on polycrystalline YIG substrates, where the biaxially oriented MgO is deposited by an ion-beam assisted-deposition technique. The biaxially oriented BST has a dielectric loss of less than 0.01 and a capacitance tunability of greater than 25% at a direct current bias voltage of 40 V at room temperature. (C) 1999 American Institute of Physics. [S0003-6951(99)00411-8].
引用
收藏
页码:1564 / 1566
页数:3
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