scholarly journals The temperature dependence of perpendicular anisotropy in Co/Pt and Co/Au multilayer films

1993 ◽  
Vol 29 (6) ◽  
pp. 3376-3378 ◽  
Author(s):  
H.Y. Zhang ◽  
Y.J. Wang ◽  
G.G. Zheng ◽  
J.X. Shen ◽  
Z.S. Shan ◽  
...  
2012 ◽  
Vol 2012 ◽  
pp. 1-7
Author(s):  
Wupeng Cai ◽  
Shinji Muraishi ◽  
Ji Shi ◽  
Yoshio Nakamura ◽  
Wei Liu ◽  
...  

Spin reorientation transition phenomena from out-of-plane to in-plane direction with increasing temperature are observed for the 500°C annealed CoPt/AlN multilayer films with different CoPt layer thicknesses. CoPt-AlN interface and volume anisotropy contributions, favoring out-of-plane and in-plane magnetization, respectively, are separately determined at various temperatures. Interface anisotropy exhibits much stronger temperature dependence than volume contribution, hence the temperature-driven spin reorientation transition occurs. Interface anisotropy in this work consists of Néel interface anisotropy and magnetoelastic effect. Magnetoelastic effect degrades rapidly and changes its sign from positive to negative above 200°C, because of the involvement of stress state in CoPt films with temperature. By contrast, Néel interface anisotropy decays slowly, estimated from a Néel mean field model. Thus, the strong temperature dependence of CoPt-AlN interface anisotropy is dominated by the change of magnetoelastic effect.


1986 ◽  
Vol 62 (5-6) ◽  
pp. 385-396 ◽  
Author(s):  
A. Di Chiara ◽  
U. Scotti di Uccio ◽  
M. Senatore ◽  
L. Maritato

1989 ◽  
Vol 03 (06) ◽  
pp. 489-492
Author(s):  
Z. YU ◽  
S.Y. DING ◽  
K.X. SHI ◽  
J.L. YAN

Based on the non-ideal planar defect model developed by the authors earlier and electron scattering flux pinning mechanism, we have derived a temperature dependence of critical current which predicts a same relation for both of I c and H c2 in dirty type-II superconductors. In order to test the prediction, the I c (T) and H c2 (T) were measured on PbBi-SiO multilayer films. The agreement between the theoretical and experimental results is satisfactory.


AIP Advances ◽  
2018 ◽  
Vol 8 (5) ◽  
pp. 056302
Author(s):  
Daniel J. Adams ◽  
Shankar Khanal ◽  
Mohammad Asif Khan ◽  
Artur Maksymov ◽  
Leonard Spinu

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