Curie temperature modulated structure to improve the performance in heat-assisted magnetic recording
Curie temperature modulated structure to improve the performance in heat-assisted magnetic recording
复制标题
居里温度调制结构提高热辅助磁记录性能
DOI:
10.1016/j.jmmm.2018.11.035
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发表时间:
2019
影响因子:
2.7
通讯作者:
Vogler
中科院分区:
文献类型:
--
作者:
Muthsam;Vogler
We investigate how a temperature reduction in z-direction influences the switching probability and the noise in heat-assisted magnetic recording (HAMR) for a bit in bit-patterned media with dimensions d= 5 nm and h= 10 nm. Pure hard magnetic bits are considered and simulations with a continuous laser pulse are performed using the atomistic simulation tool VAMPIRE. The results display that the switching behavior shows a thermally induced exchange spring effect. Simultaneously, both the AC and the DC noise increase. Additionally, we illustrate how an artificial Curie temperature gradient within the material can compensate the HAMR performance loss due to the temperature gradient. Further, due to the graded Curie temperature, DC noise can be reduced compared to a structure where no temperature gradient is considered.
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影响因子:
4
作者:
D. Suess;T. Schrefl
通讯作者:
T. Schrefl
影响因子:
4
作者:
Xiaobin Wang;B. Valcu;N. Yeh
通讯作者:
N. Yeh
影响因子:
3.2
作者:
C. Vogler;C. Abert;F. Bruckner;D. Suess;D. Praetorius
通讯作者:
C. Vogler;C. Abert;F. Bruckner;D. Suess;D. Praetorius
DOI:
--
发表时间:
2014
期刊:
影响因子:
--
作者:
D. Suess;C. Vogler;C. Abert;F. Bruckner;Roman Windl;L. Breth
通讯作者:
L. Breth
影响因子:
2.1
作者:
Baoxi Xu;Jiaping Yang;H. Yuan;Jun Zhang;Qide Zhang;T. Chong
通讯作者:
T. Chong