[HTML][HTML] Epitaxial NiCo2O4 film as an emergent spintronic material: Magnetism and transport properties

X Xu, C Mellinger, ZG Cheng, X Chen… - Journal of Applied …, 2022 - pubs.aip.org
The ferrimagnetic inverse spinel NiCo 2 O 4 has attracted extensive research interest for its
versatile electrochemical properties, robust magnetic order, high conductivity, and fast spin …

Underlying Mechanisms and Tunability of the Anomalous Hall Effect in NiCo2O4 Films with Robust Perpendicular Magnetic Anisotropy

H Lv, XC Huang, KHL Zhang, O Bierwagen… - Advanced …, 2023 - Wiley Online Library
Their high tunability of electronic and magnetic properties makes transition‐metal oxides
(TMOs) highly intriguing for fundamental studies and promising for a wide range of …

Quadrupole anomalous Hall effect in magnetically induced electron nematic state

H Koizumi, Y Yamasaki, H Yanagihara - Nature Communications, 2023 - nature.com
Berry phases in both momentum and real space cause transverse motion in itinerant
electrons, manifesting various off-diagonal transport effect such anomalous and topological …

Perpendicular magnetic tunnel junctions based on half-metallic NiCo2O4

Y Shen, D Kan, I Lin, MW Chu, I Suzuki… - Applied Physics …, 2020 - pubs.aip.org
Spin polarization and magnetic anisotropy are key properties that determine the
performance of magnetic tunnel junctions (MTJs), which are utilized in various spintronic …

Spin and orbital magnetic moments in perpendicularly magnetized epitaxial thin films: Effects of site-dependent cation valence states

D Kan, M Mizumaki, M Kitamura, Y Kotani, Y Shen… - Physical Review B, 2020 - APS
We carried out x-ray absorption spectroscopy (XAS) and x-ray magnetic circular dichroism
(XMCD) spectroscopy and investigated cation valence states and spin and orbital magnetic …

[HTML][HTML] Anomalous Hall effect and perpendicular magnetic anisotropy in ultrathin ferrimagnetic NiCo2O4 films

X Chen, Q Wu, L Zhang, Y Hao, MG Han, Y Zhu… - Applied Physics …, 2022 - pubs.aip.org
The inverse spinel ferrimagnetic NiCo 2 O 4 possesses high magnetic Curie temperature
TC, high spin polarization, and strain-tunable magnetic anisotropy. Understanding the …

Peculiar thickness dependence of perpendicular magnetic anisotropy in epitaxial NiCo2O4 spinel films

Z Xi, Y Wang, Y Wu, P Hou, P Jiao, Y Deng… - Applied Physics …, 2023 - pubs.aip.org
We reported a peculiar thickness dependence of perpendicular magnetic anisotropy (PMA),
stronger in thinner films, in spinel NiCo 2 O 4 (NCO) films deposited epitaxially on MgAl 2 O …

-induced semiconductor-to-metal transition in spinel nickel cobaltite thin films

XC Huang, WW Li, S Zhang, FE Oropeza, G Gorni… - Physical Review B, 2021 - APS
In this paper, we report insights into the local atomic and electronic structure of NiCo 2 O 4
epitaxial thin films and its correlation with electrical, optical, and magnetic properties. We …

[HTML][HTML] Interfacial and surface magnetism in epitaxial NiCo2O4 (001)/MgAl2O4 films

C Mellinger, X Wang, A Subedi, AT Clark… - Journal of Applied …, 2023 - pubs.aip.org
NiCo 2 O 4 (NCO) films grown on MgAl 2 O 4 (001) substrates have been studied using
magnetometry and x-ray magnetic circular dichroism based on x-ray absorption …

Scaling of the anomalous Hall effect in perpendicularly magnetized epitaxial films of the ferrimagnet

D Kan, L Xie, Y Shimakawa - Physical Review B, 2021 - APS
We investigate the anomalous Hall effect in perpendicularly magnetized ferrimagnet Ni Co 2
O 4 epitaxial films 3 to 30 nm thick. We find that the anomalous Hall conductivity σ AHE has …