Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 321, Issue 14, Pages 2035-2047Publisher
ELSEVIER
DOI: 10.1016/j.jmmm.2009.01.004
Keywords
Ferrites; Spinel; Garnet; Hexaferrite; Ferromagnetic resonance; Pulsed laser deposition; Liquid phase epitaxy; Screen printing; Negative index materials; Microwave
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Next generation magnetic microwave devices will be planar, smaller, weigh less, and perform well beyond the present state-of-the-art. For this to become a reality advances in ferrite materials must first be realized. These advances include self-bias magnetization, tunability of the magnetic anisotropy, low microwave loss, and volumetric and weight reduction. To achieve these goals one must turn to novel materials processing methods. Here, we review recent advances in the processing of microwave ferrites. Attention is paid to the processing of ferrite films by pulsed laser deposition, liquid phase epitaxy, spin spray ferrite plating, screen printing, and compaction of quasi-single crystals. Conventional and novel applications of ferrite materials, including microwave non-reciprocal passive devices, microwave signal processing, negative index metamaterial-based electronics, and electromagnetic interference suppression are discussed. (C) 2009 Elsevier B. V. All rights reserved.
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