Multifunctional dual-tunable multiferroic Ba0.25Sr0.75TiO3-BiFeO3-Ba0.25Sr0.75TiO3 trilayered structure for tunable microwave applications

被引：4
|
作者：
Sheng, Su [1 ]
Ong, C. K. [1 ]
机构：
[1] Natl Univ Singapore, Dept Phys, Ctr Superconducting & Magnet Mat, Singapore 117542, Singapore
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2011年 / 44卷 / 16期
关键词：
BIFEO3; THIN-FILMS; POLARIZATION; MN;
D O I：
10.1088/0022-3727/44/16/165406
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A multiferroic trilayered structure composed of a BiFeO3 (BFO) layer and two Ba0.25Sr0.75TiO3 (BST) layers is grown on a Pt/TiO2/SiO2/Si substrate by pulsed laser deposition. The trilayered BST/BFO/BST thin film structure exhibits a significant tuning response for the dielectric constant with an electric field and a magnetic field, respectively. Microwave devices based on such multifunctional materials can offer dual, i.e. electric and magnetic, tuning possibility and extra flexibility in designing and shaping the device performances.
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页数：4
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