Fe_(1-x)B_x磁性纳米膜微波磁损耗研究Study on microwave magnetic dissipation of Fe_(1-x)B_x nanometer thin film
陆纲,田卫,张豹山,许卫东,杨燚,陆怀先
摘要(Abstract):
用直流磁控溅射法制备了Fe1-xBx薄膜。用谐振腔点频测试其微波磁损耗。测试结果和理论计算基本相符。研究了薄膜的制备工艺、组分、厚度、各向异性场、饱和磁化强度和阻尼系数等对微波磁损耗的影响。发现增大薄膜的各向异性场或饱和磁化强度、适当增大阻尼系数对提高磁损耗和展宽共振峰频带有益,而且阻尼系数的微小变化将对磁损耗值产生重要作用。试验也表明制备工艺、薄膜组分、厚度对磁损耗具有重要影响。
关键词(KeyWords): 纳米薄膜;微波参数;磁损耗
基金项目(Foundation): 国防973项目资助
作者(Author): 陆纲,田卫,张豹山,许卫东,杨燚,陆怀先
Email:
DOI: 10.14024/j.cnki.1004-244x.2005.05.008
参考文献(References):
- [1]廖绍彬.铁磁学(下册)[M].北京:科学出版社,2000.
- [2] Landau, Lifshitz.Quasiperiodieity,bistability and chaos in the Landau-Lifshitz equation[J]. Phys Z Soviet union, 1935,153:8.
- [3] Jeroen Huijbregtse.High-frequency permeability oi soft-magnetic Fe-Hf-O film with high resistivity[J]. J Appi Phys, 1998,83.3.
- [4] Van de Riet E. Roozeboom F. Deflection of a substrate induced by an anisotropic thin-film stress[J]. J Appl Phys, 1997,81: 350.
- [5] Nibarger J P, Lopusnik R, Celinski Z,et al. Variation of magnetization and the Landeg factor with thickness in Ni-Fe films [J].J Apll Phys,2003,83:96.
- [6] Gangopadhyay S, Hadjipanayis G C, Dale B, et al. Magnetic properties of ultrafine iron particles[J]. Physios Review B,1992, 45(17):9778-9787.
- [7] Glavee G N,Kathie Easom, Klabunde K J, et al. Magnetic properties of iron-lithium bimetallic particles [J] Chemical Materials,1992,4(6):1360-1363.
- [8] Li X G,Chiba A,Takahashi S,et al. Oxidation characteristic and magnetic properties of iron ultrafine particles[J]. Journal of Applied Physics,1998,83(7):3871-3874.
- [9] Xu G Y, Wang T M.Electrical characterization of N-type nanoer-ystalhne silicon on P-type crystalline silicon (nc-Si:H/c-Si) helerojunctions[J] Semicond Sci Technol,2000,15:613-618.
- [10] Masayoshi, et al.Vacuum-scaledsiliconmicromachinedpressure [J] Sensors Proceeding of the fEEE, 1998,86(8):1627-1639.
- [11] Neprek S.lqbal Z,Sarott F A. A thermodynamic criterion of the crystalline-amorphous transition in silicon[J]. Philos-ophica Magazine B, 1983,45 (1):137-145.