TY  - JOUR
AU  - Zhang, Kexuan
AU  - Zhernenkov, Kirill
AU  - Saerbeck, Thomas
AU  - Glavic, Artur
AU  - Qu, Lili
AU  - Kinane, Christy J.
AU  - Caruana, Andrew J.
AU  - Hua, Enda
AU  - Gao, Guanyin
AU  - Jin, Feng
AU  - Ge, Binghui
AU  - Cheng, Feng
AU  - Pütter, Sabine
AU  - Koutsioubas, Alexandros
AU  - Mattauch, Stefan
AU  - Brückel, Thomas
AU  - Su, Yixi
AU  - Wang, Lingfei
AU  - Wu, Wenbin
TI  - Soliton-Mediated Magnetic Reversal in an All-Oxide-Based Synthetic Antiferromagnetic Superlattice
JO  - ACS applied materials & interfaces
VL  - 13
IS  - 17
SN  - 1944-8252
CY  - Washington, DC
PB  - Soc.
M1  - FZJ-2021-02157
SP  - 20788 - 20795
PY  - 2021
AB  - All-oxide-based synthetic antiferromagnets (SAFs) are attracting intense research interest due to their superior tunability and great potentials for antiferromagnetic spintronic devices. In this work, using the La2/3Ca1/3MnO3/CaRu1/2Ti1/2O3 (LCMO/CRTO) superlattice as a model SAF, we investigated the layer-resolved magnetic reversal mechanism by polarized neutron reflectivity. We found that the reversal of LCMO layer moments is mediated by nucleation, expansion, and shrinkage of a magnetic soliton. This unique magnetic reversal process creates a reversed magnetic configuration of the SAF after a simple field cycling. Therefore, it can enable vertical data transfer from the bottom to the top of the superlattice. The physical origin of this intriguing magnetic reversal process could be attributed to the cooperation of the surface spin-flop effect and enhanced uniaxial magnetic anisotropy of the bottom LCMO layer. This work may pave a way to utilize all-oxide-based SAFs for three-dimensional spintronic devices with vertical data transfer and high-density data storage.
LB  - PUB:(DE-HGF)16
C6  - 33877796
UR  - <Go to ISI:>//WOS:000648552500120
DO  - DOI:10.1021/acsami.1c02506
UR  - https://juser.fz-juelich.de/record/892558
ER  -