Giant converse magnetoelectric effect in a multiferroic heterostructure with polycrystalline Co2FeSi

S Fujii, T Usami, Y Shiratsuchi, AM Kerrigan… - NPG Asia …, 2022 - nature.com
To overcome a bottleneck in spintronic applications such as those of ultralow-power
magnetoresistive random-access memory devices, the electric-field control of magnetization …

Voltage-controlled spin-wave Doppler shift in a ferromagnetic/ferroelectric heterojunction

S Hu, K Wang, T Min, T Kimura - Physical Review Applied, 2024 - APS
Efficient manipulation of spin waves (SWs) is considered as one of the promising means for
encoding information with low power consumption in next-generation spintronic devices …

Strain-induced specific orbital control in a Heusler alloy-based interfacial multiferroics

J Okabayashi, T Usami, A Mahfudh Yatmeidhy… - NPG Asia …, 2024 - nature.com
For the development of spintronic devices, the control of magnetization by a low electric field
is necessary. The microscopic origin of manipulating spins relies on the control of orbital …

Converse magnetoelectric coupling coefficient greater than 10− 6 s/m in perpendicularly magnetized Co/Pd multilayers on Pb (Mg1/3Nb2/3) O3-PbTiO3

T Usami, Y Sanada, Y Shiratsuchi, S Yamada… - Journal of Magnetism …, 2023 - Elsevier
Multiferroic heterostructures consisting of Co/Pd multilayers on Pb (Mg 1/3 Nb 2/3) O 3-
PbTiO 3 (011) substrates are experimentally investigated. The converse magnetoelectric …

Magnetic-anisotropy modulation in multiferroic heterostructures by ferroelectric domains from first principles

AM Yatmeidhy, Y Gohda - Science and Technology of Advanced …, 2024 - Taylor & Francis
First-principles calculations incorporating spin-orbit coupling are presented for a multiferroic
material as a ferromagnetic/ferroelectric junction. We simulate the interface effect that cannot …

Artificial Control of Giant Converse Magnetoelectric Effect in Spintronic Multiferroic Heterostructure

T Usami, Y Sanada, S Fujii, S Yamada… - Advanced …, 2024 - Wiley Online Library
To develop voltage‐controlled magnetization switching technologies for spintronics
applications, a highly (422)‐oriented Co2FeSi layer on top of the piezoelectric PMN‐PT …

Efficient Electrical Manipulation of the Magnetization Process in an Epitaxially Controlled Multiferroic Interface

S Hu, S Yamada, PC Chang, WC Lin, K Hamaya… - Physical Review …, 2023 - APS
We investigate the magnetic properties of an epitaxial full-Heusler Co 2 Fe Si film with an
atomically controlled multiferroic interface coupled with a Ba Ti O 3 substrate. The real …

Metastable Co3Mn/Fe/Pb (Mg1/3Nb2/3) O3–PbTiO3 multiferroic heterostructures

Y Murakami, T Usami, R Watarai… - Journal of Applied …, 2023 - pubs.aip.org
Using a molecular beam epitaxy technique, we experimentally demonstrate a multiferroic
heterostructure consisting of metastable ferromagnetic Co 3 Mn on piezoelectric Pb (Mg 1/3 …

Interfacial perpendicular magnetic anisotropy in Co2FeSi alloy films sandwiched by Pt and MgAl2O4

K Wang, Z Xu, L Yu, M Zhang, X Guo - Journal of Magnetism and Magnetic …, 2022 - Elsevier
Co 2 FeSi (CFS) alloy film is one of promising ferromagnetic electrodes and MgAl 2 O 4
(MAO) spinel is an attractive oxide barrier. In this work, we fabricate a series of …

Annealing effects and perpendicular magnetic properties of sputtered Co2FeSi alloy films

K Wang, X **ao, ZK Xu, L Wu, J Liu - Applied Physics A, 2021 - Springer
A series of Co2FeSi (CFS) films sandwiched by MgO and Pt layers are sputtered. For the as-
deposited films, the magnetic easy axis lies in the sample plane. After annealing …