Sublattice-induced symmetry breaking and band-gap formation in graphene

R Skomski, PA Dowben, MS Driver, JA Kelber - Materials Horizons, 2014 - pubs.rsc.org
A reduction of symmetry from C6v to C3v leads to the opening of a band gap in the
otherwise gapless semiconductor graphene. Simple models provide a fairly complete …

Evolving magneto-electric device technologies

N Sharma, JP Bird, C Binek, PA Dowben… - Semiconductor …, 2020 - iopscience.iop.org
Here, several classes of magneto-electric devices, and their possible implementations as
complementary metal-oxide-semiconductor (CMOS) replacements, are discussed. We …

Anisotropic magnetoresistance and nontrivial spin Hall magnetoresistance in bilayers

Y Cheng, S Yu, AS Ahmed, M Zhu, Y Rao… - Physical Review B, 2019 - APS
Magnetic proximity effect has only been conclusively observed in ferromagnet-based
systems. We report the observation of anomalous Hall effect and angular-dependent …

Observation of quantum anomalous Hall effect and exchange interaction in topological insulator/antiferromagnet heterostructure

L Pan, A Grutter, P Zhang, X Che, T Nozaki… - Advanced …, 2020 - Wiley Online Library
Integration of a quantum anomalous Hall insulator with a magnetically ordered material
provides an additional degree of freedom through which the resulting exotic quantum states …

Negative spin Hall magnetoresistance in antiferromagnetic Cr2O3/Ta bilayer at low temperature region

Y Ji, J Miao, YM Zhu, KK Meng, XG Xu, JK Chen… - Applied Physics …, 2018 - pubs.aip.org
We demonstrate the negative spin Hall magnetoresistance (SMR) observed in
antiferromagnetic Cr 2 O 3/Ta bilayers at low temperature. The SMR signals are changed …

[HTML][HTML] XPS and morphological properties of Cr2O3 thin films grown by thermal evaporation method

A Kadari, T Schemme, D Kadri, J Wollschläger - Results in physics, 2017 - Elsevier
In this paper chromium oxide (Cr 2 O 3) thin films have been prepared onto MgO (0 0 1)
substrate by thermal evaporation method at a pressure of about 1× 10− 4 Pa. The …

Magneto-electric antiferromagnetic spin–orbit logic devices

PA Dowben, DE Nikonov, A Marshall… - Applied Physics Letters, 2020 - pubs.aip.org
As electronic integrated circuits are scaled to ever smaller sizes, they run into the obstacle of
excessive power dissipation. Spintronic devices hold the promise of alleviating this problem …

[HTML][HTML] Moving towards the magnetoelectric graphene transistor

S Cao, Z Xiao, CP Kwan, K Zhang, JP Bird… - Applied Physics …, 2017 - pubs.aip.org
The interfacial charge transfer between mechanically exfoliated few-layer graphene and Cr
2 O 3 (0001) surfaces has been investigated. Electrostatic force microscopy and Kelvin …

Spin polarization and tunable valley degeneracy in a MoS 2 monolayer via proximity coupling to a Cr 2 O 3 substrate

K Zhang, L Wang, X Wu - Nanoscale, 2019 - pubs.rsc.org
Introducing magnetism in two-dimensional materials is of particular importance for both
fundamental research and practical applications in nanoscale spintronics. Herein, we report …

Magnetization at the interface of Cr2O3 and paramagnets with large stoner susceptibility

S Cao, M Street, J Wang, J Wang… - Journal of Physics …, 2017 - iopscience.iop.org
Abstract From the Cr 2p 3/2 x-ray magnetic circular dichroism signal, there is clear evidence
of interface polarization with overlayers of both Pd and Pt on chromia (Cr 2 O 3). The …