Perpendicular magnetic anisotropy at transition metal/oxide interfaces and applications

B Dieny, M Chshiev - Reviews of Modern Physics, 2017 - APS
Spin electronics is a rapidly expanding field stimulated by a strong synergy between
breakthrough basic research discoveries and industrial applications in the fields of magnetic …

Modulation of heavy metal/ferromagnetic metal interface for high‐performance spintronic devices

S Peng, D Zhu, J Zhou, B Zhang, A Cao… - Advanced Electronic …, 2019 - Wiley Online Library
Spintronic devices such as magnetic tunnel junctions and skyrmions have attracted
considerable attention due to features such as nonvolatility, high scalability, low power, and …

Interface control of the magnetic chirality in CoFeB/MgO heterostructures with heavy-metal underlayers

J Torrejon, J Kim, J Sinha, S Mitani, M Hayashi… - Nature …, 2014 - nature.com
Recent advances in the understanding of spin orbital effects in ultrathin magnetic
heterostructures have opened new paradigms to control magnetic moments electrically. The …

Spin Hall magnetoresistance in metallic bilayers

J Kim, P Sheng, S Takahashi, S Mitani, M Hayashi - Physical review letters, 2016 - APS
Spin Hall magnetoresistance (SMR) is studied in metallic bilayers that consist of a heavy
metal (HM) layer and a ferromagnetic metal (FM) layer. We find a nearly tenfold increase of …

Enhancement of perpendicular magnetic anisotropy and transmission of spin-Hall-effect-induced spin currents by a Hf spacer layer in W/Hf/CoFeB/MgO layer …

CF Pai, MH Nguyen, C Belvin, LH Vilela-Leão… - Applied Physics …, 2014 - pubs.aip.org
We report that strong perpendicular magnetic anisotropy of the ferromagnetic layer in a
W/CoFeB/MgO multilayer structure can be established by inserting a Hf layer as thin as 0.25 …

The spin Hall effect of Bi-Sb alloys driven by thermally excited Dirac-like electrons

Z Chi, YC Lau, X Xu, T Ohkubo, K Hono… - Science advances, 2020 - science.org
We have studied the charge to spin conversion in Bi1− x Sb x/CoFeB heterostructures. The
spin Hall conductivity (SHC) of the sputter-deposited heterostructures exhibits a high plateau …

Spin Hall switching of the magnetization in Ta/TbFeCo structures with bulk perpendicular anisotropy

Z Zhao, M Jamali, AK Smith, JP Wang - Applied Physics Letters, 2015 - pubs.aip.org
Spin-orbit torques are studied in Ta/TbFeCo/MgO patterned structures, where the
ferrimagnetic material TbFeCo provides a strong bulk perpendicular magnetic anisotropy …

Investigation of the Dzyaloshinskii-Moriya interaction and room temperature skyrmions in W/CoFeB/MgO thin films and microwires

S Jaiswal, K Litzius, I Lemesh, F Büttner… - Applied Physics …, 2017 - pubs.aip.org
Recent studies have shown that material structures, which lack structural inversion symmetry
and have high spin-orbit coupling can exhibit chiral magnetic textures and skyrmions which …

Anomalous temperature dependence of current-induced torques in heterostructures with Ta-based underlayers

J Kim, J Sinha, S Mitani, M Hayashi, S Takahashi… - Physical Review B, 2014 - APS
We have studied the underlayer thickness and temperature dependencies of the current-
induced effective field in CoFeB/MgO heterostructures with Ta-based underlayers. The …

Direct Observation of Interfacial Dzyaloshinskii-Moriya Interaction from Asymmetric Spin-wave Propagation in W/CoFeB/SiO2 Heterostructures Down to Sub …

AK Chaurasiya, C Banerjee, S Pan, S Sahoo… - Scientific reports, 2016 - nature.com
Abstract Interfacial Dzyaloshinskii-Moriya interaction (IDMI) is important for its roles in
stabilizing the skyrmionic lattice as well as soliton-like domain wall motion leading towards …