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金属氟化物纳米颗粒薄膜中的巨法拉第旋转

Giant Faraday Rotation in Metal-Fluoride Nanogranular Films.

作者信息

Kobayashi N, Ikeda K, Gu Bo, Takahashi S, Masumoto H, Maekawa S

机构信息

Research Institute for Electromagnetic Materials, Tomiya, 981-3341, Japan.

Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, 319-1195, Japan.

出版信息

Sci Rep. 2018 Mar 21;8(1):4978. doi: 10.1038/s41598-018-23128-5.

DOI:10.1038/s41598-018-23128-5
PMID:29563580
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5862954/
Abstract

Magneto-optical Faraday effect is widely applied in optical devices and is indispensable for optical communications and advanced information technology. However, the bismuth garnet Bi-YIG is only the Faraday material since 1972. Here we introduce (Fe, FeCo)-(Al-,Y-fluoride) nanogranular films exhibiting giant Faraday effect, 40 times larger than Bi-YIG. These films have a nanocomposite structure, in which nanometer-sized Fe, FeCo ferromagnetic granules are dispersed in a Al,Y-fluoride matrix.

摘要

磁光法拉第效应在光学器件中得到广泛应用，对于光通信和先进信息技术而言不可或缺。然而，自1972年以来，铋石榴石Bi-YIG一直是唯一的法拉第材料。在此，我们介绍了（铁、铁钴）-（铝、钇氟化物）纳米颗粒薄膜，其展现出巨大的法拉第效应，比Bi-YIG大40倍。这些薄膜具有纳米复合结构，其中纳米尺寸的铁、铁钴铁磁颗粒分散在铝、钇氟化物基质中。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/8f6ba3443985/41598_2018_23128_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/3626305ab830/41598_2018_23128_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/28b1caae41cd/41598_2018_23128_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/30502d144f35/41598_2018_23128_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/e084105b3c23/41598_2018_23128_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/fb15acc2112c/41598_2018_23128_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/8f6ba3443985/41598_2018_23128_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/3626305ab830/41598_2018_23128_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/28b1caae41cd/41598_2018_23128_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/30502d144f35/41598_2018_23128_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/e084105b3c23/41598_2018_23128_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/fb15acc2112c/41598_2018_23128_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e200/5862954/8f6ba3443985/41598_2018_23128_Fig6_HTML.jpg

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