Ferrite-ferroelectric hybrid wave phase shifters

被引：117
作者：
Ustinov, A. B. [1 ]
Srinivasan, G.
Kalinikos, B. A.
机构：
[1] Oakland Univ, Dept Phys, Rochester, MI 48309 USA
[2] St Petersburgh Electrotech Univ, Dept Phys Elect & Technol, St Petersburg, Russia
来源：
APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1063/1.2432953
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A dual, electric and magnetic field tunable microwave phase shifter based on the propagation of hybrid spin-electromagnetic waves in a ferrite-ferroelectric bilayer is discussed. The bilayer consists of a single-crystal yttrium iron garnet film and a ceramic barium strontium titanate slab. The electrical tunability of the differential phase shift Delta phi is achieved through the application of a voltage across barium strontium titanate. An insertion loss of 20 dB and a continuously variable Delta phi as high as 650 degrees in the frequency range of 4.5-8 GHz are measured. (c) 2007 American Institute of Physics.
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