Magnetization reversal and magnetic anisotropy in patterned Co/Pd multilayer thin films

2008 ◽  
Vol 103 (2) ◽  
pp. 023920 ◽  
Author(s):  
Darren Smith ◽  
Vishal Parekh ◽  
Chunsheng E ◽  
Shishan Zhang ◽  
Wolfgang Donner ◽  
...  
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Magnetization Reversal ◽  
Multilayer Thin Films

Magnetic anisotropy and magnetization reversal of La0.67Sr0.33MnO3 thin films on SrTiO3(110)

2010 ◽  
Vol 108 (10) ◽  
pp. 103906 ◽  
Author(s):  
Hans Boschker ◽  
Jaap Kautz ◽  
Evert P. Houwman ◽  
Gertjan Koster ◽  
Dave H. A. Blank ◽  
...  
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Magnetization Reversal

scholarly journals Uniaxial magnetic anisotropy induced by vicinal surfaces in half metallic La0.7Sr0.3MnO3 thin films

2009 ◽  
Vol 1198 ◽  
Author(s):  
Paolo Perna ◽  
Erika Jiménez ◽  
Francisco J. Terán ◽  
Laurence Méchin ◽  
Julio Camarero ◽  
...  
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Magnetization Reversal ◽  
Substrate Surface ◽  
Uniaxial Anisotropy ◽  
Current Theory ◽  
Vicinal Surfaces ◽  
Direction Parallel ◽  
Half Metallic ◽  
Crystalline Symmetry

AbstractWe present a detailed study of the angular dependence of the magnetization reversal at room temperature of well characterized epitaxial La0.7Sr0.3MnO3 (001) thin films grown onto SrTiO3 (001) vicinal substrates. The step edges at the substrate surface promote a topological modulation of the films along the step direction, breaking the four-fold magneto crystalline symmetry and favoring a two-fold magnetic anisotropy term. The competition between the biaxial and uniaxial anisotropy is depicted within the framework of the current theory, resulting in a vanishing biaxial contribution. The films hence show the magnetization easy (hard) direction parallel (perpendicular) to the steps direction. The thickness-dependent of both anisotropy and magnetization reversal are discussed in terms of topographic changes.

Spin Reorientation Transition and Magnetization Reversal Mechanism of Gd Doped FeCo High-Frequency Soft Magnetic Thin Films

2014 ◽  
Vol 924 ◽  
pp. 141-151 ◽  
Author(s):  
Yu Rong An ◽  
Yue Li ◽  
Zhen Wang ◽  
Ya Lu Zuo ◽  
Li Xi
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Magnetization Reversal ◽  
High Frequency ◽  
Uniaxial Anisotropy ◽  
Spin Reorientation ◽  
Spin Reorientation Transition ◽  
Sputtering Power ◽  
Deposition Power ◽  
Reversal Mechanism

The magnetic FeCoGd thin films with various sputtering power from 10 to 30 W were fabricated on glass substrates by magnetron co-sputtering. The crystal structure of as-deposited FeCoGd thin films was investigated by X-ray diffraction. And an increasing trend of grain size with the increasing sputtering power was shown. When sputtering power is below 30 W, the films exhibited obviously in-plane uniaxial magnetic anisotropy, and the in-plane magnetic anisotropy field Hkdecreased with increasing deposition power. Moreover, good high frequency characteristics were obtained. The magnetization reversal mechanism has been investigated via the in-plane angular dependences of the magnetization and the coercivity. The experimental data points indicated that the magnetization reversal mechanism of FeCoGd film with in-plane uniaxial anisotropy is domain-wall depinning and coherent rotation when the applied field is close to the easy axis and hard axis, respectively. A spin reorientation transition phenomenon was observed when deposition power is larger than 30 W. A stripe domain structure for the sample with 30 W deposition power was developed due to a dominated perpendicular magnetic anisotropy.

Soft Magnetic Property of [Fe80Ni20-O/ZnO]n Multilayer Thin Films for High-Frequency Application

2012 ◽  
Vol 476-478 ◽  
pp. 2335-2338 ◽  
Author(s):  
Yuan Wang ◽  
Hao Geng ◽  
Shuang Jun Nie ◽  
Jian Qing Wei ◽  
Lai Sen Wang ◽  
...  
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Easy Axis ◽  
Magnetic Measurement ◽  
Soft Magnetic Property ◽  
Multilayer Thin Films ◽  
Soft Magnetic ◽  
Uniaxial Magnetic Anisotropy ◽  
Glass Substrates ◽  
Measurement Results

A series of [Fe80Ni20-O/ZnO]nmultilayer thin films with different ZnO separate layer thicknesses (t, from 0 to 3 nm) and fixed Fe80Ni20-O layer thickness (about 5 nm) have been fabricated on (100)-oriented silicon wafers and glass substrates by reactive magnetron sputtering. Microstructure analysis and static magnetic measurement results indicate that the magnetic properties of the films can be adjusted by the variation of ZnO monolayers thickness. All films reveal an evident in-plane uniaxial magnetic anisotropy (IPUMA). The values of in-plane uniaxial magnetic anisotropy fields (Hk) and resistivity (ρ) can be changed from 8 to 57 Oe and 62 to 168 μΩ•cm respectively with the t increasing. While the values of hard axis coercivity (Hch) and easy axis coercivity (Hce) reveal minimums of 1.5 and 3 Oe respectively at t = 1 nm.

Tuning the perpendicular magnetic anisotropy of [Co(0.3nm)/Ni(0.6nm)]20 multilayer thin films

2021 ◽  
Vol 728 ◽  
pp. 138689
Author(s):  
B. Brahma ◽  
R. Hussain ◽  
Aakansha ◽  
Pratap Behera ◽  
S. Ravi ◽  
...  
Keyword(s):  
Thin Films ◽  
Magnetic Anisotropy ◽  
Perpendicular Magnetic Anisotropy ◽  
Multilayer Thin Films
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