Electric field control of magnetism in iron oxide nanoporous thin films

S Robbennolt, A Nicolenco… - … applied materials & …, 2019 - ACS Publications
Voltage control of the magnetic properties of oxide thin films is highly appealing to enhance
energy efficiency in miniaturized spintronic and magnetoelectric devices. Herein …

Electric field controlled magnetic exchange bias and magnetic state switching at room temperature in Ga-doped α-Fe2O3 oxide

RN Bhowmik, AG Lone - Journal of Magnetism and Magnetic Materials, 2018 - Elsevier
We report magnetoelectric properties in Ga-doped α-Fe 2 O 3 system in rhombohedral
phase. The material is a canted ferromagnet at room temperature. The electric field …

Competition of the Coulomb and hop**-based exchange interactions in granular magnets

OG Udalov, IS Beloborodov - Physical Review B, 2017 - APS
We study exchange coupling due to the interelectron Coulomb interaction between two
ferromagnetic grains embedded into an insulating matrix. This contribution to the exchange …

[HTML][HTML] The Coulomb based magneto-electric coupling in multiferroic tunnel junctions and granular multiferroics

OG Udalov, IS Beloborodov - AIP Advances, 2018 - pubs.aip.org
We study magneto-electric effect in two systems: i) multiferroic tunnel junction (MFTJ)-
magnetic tunnel junction with ferroelectric barrier and ii) granular multiferroic (GMF) in which …

Competition of magneto-dipole, anisotropy and exchange interactions in composite multiferroics

AM Belemuk, OG Udalov… - Journal of Physics …, 2016 - iopscience.iop.org
We study the competition of magneto-dipole, anisotropy and exchange interactions in
composite three-dimensional multiferroics. Using Monte Carlo simulations we show that …

Tuning the magnetic state in a phase-separated magnetic oxide thin film by means of electric field and temperature

OG Udalov, IS Beloborodov - Physical Review B, 2020 - APS
We study a hybrid system of a magnetic oxide thin film on a ferroelectric substrate. We show
that magnetic and transport properties of the magnetic oxide film strongly depend on the …

Phenomenological theory of magnetoelectric coupling in granular multiferroics

OG Udalov, NM Chtchelkatchev, IS Beloborodov - Physical Review B, 2015 - APS
We study the coupling between the ferroelectric polarization and the magnetization of a
granular ferromagnetic film using a phenomenological model of a combined multiferroic …

Influence of the Coulomb interaction on the exchange coupling in granular magnets

OG Udalov, IS Beloborodov - Journal of Physics: Condensed …, 2017 - iopscience.iop.org
We develop a theory of the exchange interaction between ferromagnetic (FM) metallic grains
embedded into insulating matrix by taking into account the Coulomb blockade effects. For …

Tuning Exchange Coupling in a New Family of Nanocrystal-Based Granular Multiferroics Using an Applied Electric Field

SS Sasaki, OG Udalov, JA Kurish, M Ishii… - … Applied Materials & …, 2022 - ACS Publications
In this work, we demonstrate an experimental realization of a granular multiferroic
composite, where the magnetic state of a nanocrystal array is modified by tuning the …

Single and heterostructure multiferroic thin films

A Barbier - Magnetic, Ferroelectric, and Multiferroic Metal Oxides, 2018 - Elsevier
Multiferroic oxide materials exhibiting several long-range ferroic orders are of high interest
because of their wide range of potential applications. The incorporation of their genuine …