exchange coupled composite
Recently Published Documents


TOTAL DOCUMENTS

96
(FIVE YEARS 3)

H-INDEX

16
(FIVE YEARS 1)

Micromachines ◽  
2021 ◽  
Vol 12 (10) ◽  
pp. 1264
Author(s):  
Pirat Khunkitti ◽  
Naruemon Wannawong ◽  
Chavakon Jongjaihan ◽  
Apirat Siritaratiwat ◽  
Anan Kruesubthaworn ◽  
...  

In this work, we propose exchange-coupled-composite-bit-patterned media (ECC-BPM) with microwave-assisted magnetic recording (MAMR) to improve the writability of the magnetic media at a 4 Tb/in2 recording density. The suitable values of the applied microwave field’s frequency and the exchange coupling between magnetic dots, Adot, of the proposed media were evaluated. It was found that the magnitude of the switching field, Hsw, of the bilayer ECC-BPM is significantly lower than that of a conventional BPM. Additionally, using the MAMR enables further reduction of Hsw of the ECC-BPM. The suitable frequency of the applied microwave field for the proposed media is 5 GHz. The dependence of Adot on the Hsw was additionally examined, showing that the Adot of 0.14 pJ/m is the most suitable value for the proposed bilayer ECC-BPM. The physical explanation of the Hsw of the media under a variation of MAMR and Adot was given. Hysteresis loops and the magnetic domain of the media were characterized to provide further details on the results. The lowest Hsw found in our proposed media is 12.2 kOe, achieved by the bilayer ECC-BPM with an Adot of 0.14 pJ/m using a 5 GHz MAMR.


2020 ◽  
Vol 12 (5) ◽  
pp. 6752-6760 ◽  
Author(s):  
Z. Xiao ◽  
R. Lo Conte ◽  
M. Goiriena-Goikoetxea ◽  
R. V. Chopdekar ◽  
C.-H. A. Lambert ◽  
...  

AIP Advances ◽  
2018 ◽  
Vol 8 (5) ◽  
pp. 056513 ◽  
Author(s):  
N. A. Natekar ◽  
Zengyuan Liu ◽  
Stephanie Hernandez ◽  
R. H. Victora

2018 ◽  
Vol 124 (2) ◽  
Author(s):  
Yumei Zhang ◽  
Liang Zhao ◽  
Shanshan Li ◽  
Mei Liu ◽  
Ming Feng ◽  
...  

2017 ◽  
Vol 111 (4) ◽  
pp. 042405 ◽  
Author(s):  
Tanmay Dutta ◽  
S. N. Piramanayagam ◽  
M. S. M. Saifullah ◽  
C. S. Bhatia

AIP Advances ◽  
2017 ◽  
Vol 7 (5) ◽  
pp. 056510
Author(s):  
Gongyuan Situ ◽  
Jian-Ping Wang ◽  
Bin Ma

Sign in / Sign up

Export Citation Format

Share Document