Barium strontium titanate thin film varactors for room-temperature microwave device applications

Recent progress in the development of barium strontium titanate thin film varactors for room temperature tunable microwave devices applications is reviewed, with emphasis on efforts towards the improvement in the quality of BST thin films and the fabrication issues crucial for the performance of mic...

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Bibliographic Details
Published in:Journal of physics. D, Applied physics Applied physics, 2008-03, Vol.41 (6), p.063001-063001 (21)
Main Authors: Bao, P, Jackson, T J, Wang, X, Lancaster, M J
Format: Article
Language:English
Subjects:
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectric thin films
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Electronics
Exact sciences and technology
Materials
Physics
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Summary:Recent progress in the development of barium strontium titanate thin film varactors for room temperature tunable microwave devices applications is reviewed, with emphasis on efforts towards the improvement in the quality of BST thin films and the fabrication issues crucial for the performance of microwave devices based on BST varactors. The paper provides examples of tunable microwave devices employing BST varactors. Other thin film materials currently competing with BST thin films are discussed. Topics which deserve further investigation are suggested.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/41/6/063001