Giant microwave tunability in FeGaB/lead magnesium niobate-lead titanate multiferroic composites

被引：100
|
作者：
Lou, J. [1 ]
Reed, D. [1 ]
Pettiford, C. [1 ]
Liu, M. [1 ]
Han, P. [2 ]
Dong, S. [3 ,4 ]
Sun, N. X. [1 ]
机构：
[1] Northeastern Univ, Dept Elect & Comp Engn, Ctr Microwave Magnet Mat & Integrated Circuits CM, Boston, MA 02115 USA
[2] HC Mat Corp, Urbana, IL 61802 USA
[3] Peking Univ, Coll Engn, Beijing 100871, Peoples R China
[4] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA
来源：
APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 26期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1063/1.2952828
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Giant magnetoelectric coupling at both microwave frequencies and dc was observed in an FeGaB/lead magnesium niobate-lead titanate microwave multiferroic composite. A record high microwave frequency tunability of Delta f=900 MHz or Delta f/f=58% was demonstrated with the change of an external electric field from -6 to +2 kV/cm. A strong electric field dependence of magnetic hysteresis loops was also observed. Such multiferroic composite provides great opportunities for electrostatically tunable microwave devices. (C) 2008 American Institute of Physics.
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页数：3
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