基于Landau-Lifshitz-Gilbert方程、Bruggeman有效媒质理论及纳米颗粒膜的电输运和介电理论,通过计算磁性纳米颗粒膜的有效磁导率、有效介电常数、计算分析饱和磁化强度、各向异性场、电导率和阻尼系数对纳米颗粒膜吸波性能的影响.结果表明,饱和磁化强度、各向异性场、电导率和阻尼系数均对纳米颗粒膜的微波吸收特性产生显著影响,通过调控纳米颗粒膜的电磁特性可以有效提高其吸波性能,可以应用于薄层吸波材料的设计中.
参考文献
| [1] | Ohnuma S;Lee H J;Kobayashi N et al.[J].IEEE Transactions on Magnetics,2001,37:2251-2254. |
| [2] | 焦栋茂,张旭东,王姝,李建功.软磁性薄膜微波磁特性的研究进展[J].材料导报,2006(12):104-108. |
| [3] | 童燕群,冯则坤,邱景,廖健生.FeCoB-SiO2纳米磁性颗粒膜有效磁导率计算与模拟[J].磁性材料及器件,2008(03):17-20. |
| [4] | Shiiki K;Hori H .[J].Journal of Magnetism and Magnetic Materials,2005,290:456-459. |
| [5] | Ge Shihui;Yao Dongsheng;Yamaguchi M et al.[J].Journal of Physics D:Applied Physics,2007,40:3660-3664. |
| [6] | Merrill W.M.;Diaz R.E.;LoRe M.M.;Squires M.C.;Alexopoulos N.G. .Effective medium theories for artificial materials composed ofmultiple sizes of spherical inclusions in a host continuum[J].IEEE Transactions on Antennas and Propagation,1999(1):142-148. |
| [7] | Lagarkov A N;Sarychev A K;Smychkovich Y R et al.[J].Journal of Electromagnetic Waves Application,1992,6(09):1159-1176. |
| [8] | 邓联文,周克省,江建军,冯则坤.电导率对纳米磁性金属膜微波吸收性能的影响[J].中南大学学报（自然科学版）,2008(01):59-63. |
| [9] | Sohn JC;Byun DJ;Lim SH .Nanogranular Co-Fe-Al-O sputtered thin films for magnetoelastic device applications in the GHz frequency range[J].Journal of Magnetism and Magnetic Materials,2004(0):1500-1502. |
| [10] | Ohnuma S.;Mitani S.;Masumoto T.;Fujimori H. .HIGH-FREQUENCY MAGNETIC PROPERTIES IN METAL-NONMETAL GRANULAR FILMS[J].Journal of Applied Physics,1996(8 Pt.2a):5130-5135. |
| [11] | Ohnuma S;Lee H J;Kobayashi N et al.[J].IEEE Transactions on Magnetics,2001,37(04):2251-2254. |
| [12] | M. Munakata;M. Motoyama;M. Yagi;T. Ito;Y. Shimada;M. Yamaguchi;Ken-Ichi Arai .Very High Electrical Resistivity and Heteroamorphous Structure of Soft Magnetic (Co_(35.6)Fe_(50)B_(14.4))-(SiO_(2)) Thin Films[J].IEEE Transactions on Magnetics,2002(5):3147-3149. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%