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Magnetic and Magneto-Optical Properties of Composite Films of Ferromagnetic Ultrafine Particles Dispersed in Polymethyl Methacrylate

机译：分散在聚甲基丙烯酸甲酯中的铁磁超细颗粒复合膜的磁和磁光性能

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Magnetic and magneto-optical properties of composite films of ultrafine fcc cobalt particles dispersed in a transparent PMMA plastic matrix have been investigated. The colloidal solutions suspended by cobalt particles were synthesized by decomposing dicobalt octacarbonyl dissolved in toluene together with PMMA. The average particle diameter, ranging 3.8nm to 15.9nm, was controlled by the solvent concentration. Films were formed by spin-coating the solutions on glass plates and were dried by evacuating toluene. The Faraday rotation θ_F of the films had a unique wavelength dependence as well as the optical absorption. θ_F had a maximum around 390nm of light wavelength irrespective of the particles size d, but the spectrum shape varied with d. The most sharpened spectrum was observed around d=9nm, when the optical absorption was the largest.

机译：研究了分散在透明PMMA塑料基质中的超细fcc钴颗粒复合膜的磁和磁光性能。通过分解溶于甲苯的八羰基二钴和PMMA合成了钴颗粒悬浮的胶体溶液。通过溶剂浓度控制3.8nm至15.9nm的平均粒径。通过将溶液旋涂在玻璃板上形成薄膜，并通过排空甲苯进行干燥。膜的法拉第旋转θ_F具有独特的波长依赖性以及光吸收。 θ_F的最大波长约为390nm，与粒径d无关，但光谱形状随d的变化而变化。当光吸收最大时，在d = 9nm附近观察到最锐化的光谱。

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来源
《Trends and new applications of thin films》|1998年|483-486|共4页
会议地点 Regensburg(DE);Regensburg(DE)
作者
K. Yamaguchi; T. Sato; Y. Kato; M. Inoue; T. Fujii;
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作者单位

Ibaraki National College of Technology, Hitachinaka 312-8508, Japan;

Toyohashi University of Technology, Toyohashi 441-8580, Japan;

Toyohashi University of Technology, Toyohashi 441-8580, Japan;

Tohoku University, Sendai 980-1577, Japan;

Toyohashi University of Technology, Toyohashi 441-8580, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类薄膜物理学;
关键词
cobalt; magneto-optical effects; fine particles;

机译：钴;磁光效应细颗粒;

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1. Magnetic Hysteresis in Nanocomposite Films Consisting of a Ferromagnetic AuCo Alloy and Ultrafine Co Particles [J] . Federico Chinni, Federico Spizzo, Federico Montoncello, Materials . 2017,第7期

机译：铁磁AuCo合金和超细Co颗粒组成的纳米复合薄膜的磁滞。
2. Optical and Mechanical Properties of Nanocomposite Films Based on Polymethyl Methacrylate (PMMA) and Fumed Silica Nanoparticles [J] . Li Chi-Ping, Tenent Robert C., Wolden Colin A. Polymer engineering and science . 2020,第3期

机译：基于聚甲基丙烯酸甲酯（PMMA）和烟雾二氧化硅纳米粒子的纳米复合膜的光学和力学性能
3. Optical properties of titanium dioxide nanoparticles/3-(2-benzothiazolyl)-7-N,N-diethylaminocoumarin/ polymethyl methacrylate composite films [J] . Huimin Wang, Xiaoming Tao, Edward Newton Optical Materials . 2004,第2期

机译：二氧化钛纳米粒子/ 3-（2-苯并噻唑基）-7-N，N-二乙基氨基香豆素/聚甲基丙烯酸甲酯复合薄膜的光学性能
4. Magnetic and Magneto-Optical Properties of Composite Films of Ferromagnetic Ultrafine Particles Dispersed in Polymethyl Methacrylate [C] . International symposium on trends and new applications of thin films;TATF '98 . 1998

机译：分散在聚甲基丙烯酸甲酯的铁磁性超细颗粒复合膜的磁性和磁光性能
5. Optical and magneto-optical properties of ferromagnetic InMnAs thin films and its alloys. [D] . Chiu, Philip T. 2007

机译：铁磁InMnAs薄膜及其合金的光学和磁光特性。
6. Magnetic Hysteresis in Nanocomposite Films Consisting of a Ferromagnetic AuCo Alloy and Ultrafine Co Particles [O] . Federico Chinni, Federico Spizzo, Federico Montoncello, 2017

机译：铁磁性AuCo合金和超细Co颗粒组成的纳米复合薄膜的磁滞
7. Magnetic hysteresis in nanocomposite films consisting of a ferromagnetic AuCo alloy and ultrafine Co particles [O] . Chinni, Federico, Spizzo, Federico, Montoncello, Federico, 2017

机译：由铁磁AuCo合金和超细Co颗粒组成的纳米复合膜的磁滞
8. Magneto-Optical Properties of Ultrathin Ferromagnetic Films. [R] . Bader, S. D., Moog, E. R., Liu, C., 1989

机译：超薄铁磁薄膜的磁光特性。

Magnetic and Magneto-Optical Properties of Composite Films of Ferromagnetic Ultrafine Particles Dispersed in Polymethyl Methacrylate

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