Multi-component ZnO alloys: Bandgap engineering, hetero-structures, and optoelectronic devices

T Zhang, M Li, J Chen, Y Wang, L Miao, Y Lu… - Materials Science and …, 2022 - Elsevier
The desire for developing ultraviolet optoelectronic devices has prompted extensive studies
toward wide-bandgap semiconductor ZnO and its related alloys. Bandgap engineering as …

Quantum annealing optimization method for the design of barrier materials in magnetic tunnel junctions

K Nawa, T Suzuki, K Masuda, S Tanaka, Y Miura - Physical Review Applied, 2023 - APS
In the field of spintronics, there is a strong demand for barrier materials in magnetic tunnel
junctions (MTJs) having high tunnel magnetoresistance (TMR) and low resistance area …

Room temperature ferromagnetism in single-phase Zn1−x Mn x S diluted magnetic semiconductors fabricated by co-precipitation …

M Hassan, S Younas, F Sher, SS Husain, S Riaz… - Applied Physics A, 2017 - Springer
In this study, we have prepared Mn-doped zinc sulfide diluted magnetic semiconductors with
varying manganese concentrations (x Mn= 0.00, 0.02, 0.04, 0.06, 0.08, 0.10 mol%) using co …

Resonant spin-transfer-torque nano-oscillators

A Sharma, AA Tulapurkar, B Muralidharan - Physical Review Applied, 2017 - APS
Spin-transfer-torque nano-oscillators are potential candidates for replacing the traditional
inductor-based voltage-controlled oscillators in modern communication devices. Typical …

Band-pass Fabry-Pèrot magnetic tunnel junctions

A Sharma, A Tulapurkar, B Muralidharan - Applied Physics Letters, 2018 - pubs.aip.org
We propose a high-performance magnetic tunnel junction by making electronic analogs of
optical phenomena such as anti-reflections and Fabry-Pèrot resonances. The devices we …

MgGa2O4 spinel barrier for magnetic tunnel junctions: Coherent tunneling and low barrier height

H Sukegawa, Y Kato, M Belmoubarik… - Applied Physics …, 2017 - pubs.aip.org
Epitaxial Fe/magnesium gallium spinel oxide (MgGa2O4)/Fe (001) magnetic tunnel
junctions (MTJs) were fabricated by magnetron sputtering. A tunnel magnetoresistance …

First-principles investigation of the optical properties for rocksalt mixed metal oxide MgxZn1− xO

M Hadjab, S Berrah, H Abid, MI Ziane… - Materials Chemistry and …, 2016 - Elsevier
In this paper, we have presented a theoretical study of the optical properties for the cubic Mg
x Zn 1− x O (x= 0.0, 0.125, 0.375, 0.625, 0.875 and 1.0) alloys using the full-potential …

Fabrication and Low-Temperature Characterization of Phthalocyanine Molecular Tunnel Heterojunctions

X Jiang, A Brooks, S Liu… - The Journal of …, 2023 - ACS Publications
We report on the fabrication and characterization of vertical tunnel heterojunctions in which
sublimated phthalocyanine (Pc) films (H2Pc, CoPc, and MnPc) as thin as 1 nm are …

Realisation of all 16 Boolean logic functions in a single magnetoresistance memory cell

S Gao, G Yang, B Cui, S Wang, F Zeng, C Song, F Pan - Nanoscale, 2016 - pubs.rsc.org
Stateful logic circuits based on next-generation nonvolatile memories, such as
magnetoresistance random access memory (MRAM), promise to break the long-standing …

Enhancing TMR and spin-filtration by using out-of-plane graphene insulating barrier in MTJs

S Meena, S Choudhary - Physical Chemistry Chemical Physics, 2017 - pubs.rsc.org
First principles investigations are performed to understand the spin-polarized transport in
Magnetic Tunnel Junctions (MTJs) consisting of an out-of-plane graphene sheet as a barrier …