High thermal stability in W/MgO/CoFeB/W/CoFeB/W stacks via ultrathin W insertion with perpendicular magnetic anisotropy

2016 ◽  
Vol 410 ◽  
pp. 123-127 ◽  
Author(s):  
Yi Liu ◽  
Tao Yu ◽  
Zhengyong Zhu ◽  
Huicai Zhong ◽  
Khamis Masoud Khamis ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Magnetic Anisotropy ◽  
Perpendicular Magnetic Anisotropy ◽  
High Thermal Stability

Strong Perpendicular Magnetic Anisotropy with High Thermal Stability in Annealed Co/Native Oxide/Pd Multilayers

2013 ◽  
Vol 634-638 ◽  
pp. 2506-2511
Author(s):  
Qin Li Lv ◽  
Jian Wang Cai ◽  
Tao Li
Keyword(s):  
Thermal Stability ◽  
Magnetic Anisotropy ◽  
Annealing Temperature ◽  
Perpendicular Magnetic Anisotropy ◽  
Anisotropy Field ◽  
High Thermal Stability ◽  
Native Oxide ◽  
Perpendicular Anisotropy ◽  
Sharp Transition ◽  
Out Of Plane

A novel perpendicular magnetic material was obtained in the annealed Co/native oxide/Pd multilayer films. Upon thermal annealing in a vacuum, a sharp transition of magnetic anisotropy from in-plane to out-of-plane is observed for the Co/native oxide/Pd multilayers with 20 Å Co layers. These annealed Co/native oxide/Pd multilayers possess extremely large effect perpendicular anisotropy field (Heff) and perpendicular anisotropy energy (Ku), with the maximum Heff of 17 kOe and Ku of 5.1×106 erg/cm3 obtained in the annealed Co(20 Å)/native oxide/Pd(10 Å) multilayers. Moreover, the large perpendicular magnetic anisotropy sustains with annealing temperature varying from 200°C to 400°C, indicative of high thermal stability. The present results open the way to a third alternative for the realization of thermally stable perpendicular magnetic electrodes of tunnel junctions.

scholarly journals The influence of an ultra-high resistivity Ta underlayer on perpendicular magnetic anisotropy in Ta/Pt/Co/Pt heterostructures

RSC Advances ◽  
2020 ◽  
Vol 10 (19) ◽  
pp. 11219-11224
Author(s):  
Wei Zhang ◽  
Xiaoxiong Jia ◽  
Rui Wang ◽  
Huihui Liu ◽  
Zhengyu Xiao ◽  
...  
Keyword(s):  
Thin Films ◽  
Thermal Stability ◽  
Magnetic Anisotropy ◽  
High Stability ◽  
Essential Role ◽  
Perpendicular Magnetic Anisotropy ◽  
Low Energy ◽  
High Resistivity ◽  
Excellent Thermal Stability ◽  
Low Energy Consumption

Thin films with perpendicular magnetic anisotropy (PMA) play an essential role in the development of technologies due to their excellent thermal stability and potential application in devices with high density, high stability, and low energy consumption.

Thermal stability of CoFeB/Pt multilayers with perpendicular magnetic anisotropy

2012 ◽  
Vol 111 (7) ◽  
pp. 07C106 ◽  
Author(s):  
Yanyan Zhu ◽  
Zongzhi Zhang ◽  
Bin Ma ◽  
Q. Y. Jin
Keyword(s):  
Thermal Stability ◽  
Magnetic Anisotropy ◽  
Perpendicular Magnetic Anisotropy ◽  
Thermal Stability Of
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