通过加入 LiFe5O8 薄膜增强 Y3Fe5O12 的介电性能

IF 4.3 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
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引用次数: 0

摘要

最近,Y3Fe5O12(YIG)介电材料在微波应用中备受关注,因为在微波应用中,提高介电常数和降低介电损耗至关重要。本研究采用化学溶液沉积法制备了 LiFe5O8/Y3Fe5O12 (LFO/YIG)复合介质薄膜。在 YIG 中引入 LFO 薄膜可形成缺陷偶极子并建立内部电场,从而提高介电性能。LFO/YIG 复合薄膜在 1 kHz 时的介电系数为 19.49,是纯 YIG 薄膜的两倍,介电损耗也从 1.01 降至 0.47。同时,复合薄膜对偏压场的响应特性表现出不对称行为。与单一 YIG 薄膜相比,LFO/YIG 复合薄膜具有良好的热稳定性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhanced dielectric performance of Y3Fe5O12 via incorporating LiFe5O8 thin film
Y3Fe5O12 (YIG) dielectric material has recently attracted much attention in microwave applications, where improving permittivity and reducing dielectric loss is crucial. In this work, the LiFe5O8/Y3Fe5O12 (LFO/YIG) composite dielectric film was fabricated by the chemical solution deposition method. The introduction of LFO thin film into YIG formed defect dipoles and established an internal electric field, thus enhancing dielectric performance. The permittivity of the LFO/YIG composite film is 19.49 at 1 kHz, which is twice that of pure YIG film, and the dielectric loss is also reduced from 1.01 to 0.47. Meanwhile, the response characteristics of the composite film to the bias field exhibit asymmetric behavior. In comparison to the single YIG film, the LFO/YIG composite film shows good thermal stability.
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来源期刊
Materials Chemistry and Physics
Materials Chemistry and Physics 工程技术-材料科学:综合
CiteScore
8.70
自引率
4.30%
发文量
1515
审稿时长
69 days
期刊介绍: Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.
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