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.
参考文献
| [1] | 廖绍彬.铁磁学[M].北京:科学出版社,2000 |
| [2] | Landau;Lifshitz .Quasiperiodicity,bistability and chaos in the Landau-Lifshitz equation[J].Physikalische Zeitschrift der Sowjetunion,1935,153:8. |
| [3] | Jeroen Huijbregtse .High-frequency permeability of soft-magnetic Fe-Hf-O film with high resistivity[J].Journal of Applied Physics,1998,83:3. |
| [4] | Van de Riet E;Roozeboom F .Deflection of a substrate induced by an anisotropic thin-film stress[J].Journal of Applied Physics,1997,81:350. |
| [5] | Nibarger J P;Lopusnik R;Celinski Z et al.Variation of magnetization and the Landé g factor with thickness in Ni-Fe films[J].Journal of Applied Physics,2003,83:96. |
| [6] | Gangopadhyay S;Hadjipanayis G C;Dale B et al.Magnetic properties of ultraline iron particles[J].Physical 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].Chemistry of Materials,1992,4(06):1360-1363. |
| [8] | Li XG.;Takahashi S.;Sato M.;Chiba A. .Oxidation characteristics and magnetic properties of iron ultrafine particles[J].Journal of Applied Physics,1998(7):3871-3875. |
| [9] | Xu Gangyi;Wang Tianmin .Electrical characterization of N-type nanocrystalline silicon on p-type crystalline silicon (nc-Si:H/C-Si) heterojunctions[J].Semiconductor Science and Technology,2000(6):613-618. |
| [10] | Masayoshi et al.Vacuum-scaled silicon micromachined pressure[J].Sensors Proceedings of IEEE,1998,86(08):1627-1639. |
| [11] | Veprek S;Iqbal Z;Sarott F A .A thermodynamic criterion of the crystalline-to-amorphous transition in silicon[J].PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANIC,1983,45(01):137-145. |
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%