Exchange bias in nanostructures

J Nogués, J Sort, V Langlais, V Skumryev, S Suriñach… - Physics reports, 2005 - Elsevier
The phenomenology of exchange bias and related effects in nanostructures is reviewed.
The types of systems discussed include: lithographically fabricated ferromagnetic (FM) …

Introduction to antiferromagnetic magnons

SM Rezende, A Azevedo… - Journal of Applied …, 2019 - pubs.aip.org
The elementary spin excitations in strongly magnetic materials are collective spin deviations,
or spin waves, whose quanta are called magnons. Interest in the experimental and …

Recent advances in nanomagnetism and spin electronics

JF Bobo, L Gabillet, M Bibes - Journal of Physics: Condensed …, 2004 - iopscience.iop.org
This paper presents recent experimental advances in the field of nanomagnetism and spin
electronics. It covers the period of the last decades during which fundamental discoveries …

Large exchange bias after zero-field cooling from an unmagnetized state

BM Wang, Y Liu, P Ren, B Xia, KB Ruan, JB Yi, J Ding… - Physical review …, 2011 - APS
Exchange bias (EB) is usually observed in systems with an interface between different
magnetic phases after field cooling. Here we report an unusual phenomenon in which a …

Spin-flop transition in the easy-plane antiferromagnet nickel oxide

FLA Machado, PRT Ribeiro, J Holanda… - Physical Review B, 2017 - APS
NiO is a room-temperature antiferromagnetic (AF) insulator with important applications in AF
spintronics. Although it is considered a prototypical AF material with a simple magnetic …

[HTML][HTML] Criteria for saturated magnetization loop

A Harres, M Mikhov, V Skumryev… - Journal of Magnetism …, 2016 - Elsevier
Proper estimation of magnetization curve parameters is vital in studying magnetic systems.
In the present article, criteria for discrimination non-saturated (minor) from saturated (major) …

Antiferromagnetic fourfold anisotropy induced exchange bias and magnetization reversal behaviors in CoFeB/IrMn bilayers

C Zhang, Q Zhan, Y Hu - Applied Physics Letters, 2023 - pubs.aip.org
Bilayers of an amorphous CoFeB ferromagnet coupled to an epitaxially grown IrMn
antiferromagnet, whose anisotropy is fourfold symmetric, are modeled to study the angular …

Voltage-controlled antiferromagnetism in magnetic tunnel junctions

M Xu, M Li, P Khanal, A Habiboglu, B Insana, Y Xiong… - Physical review …, 2020 - APS
We demonstrate a voltage-controlled exchange bias effect in CoFeB/MgO/CoFeB magnetic
tunnel junctions that is related to the interfacial Fe (Co) O x formed between the CoFeB …

A polycrystalline model for magnetic exchange bias

A Harres, J Geshev - Journal of Physics: Condensed Matter, 2012 - iopscience.iop.org
This work introduces a realistic model for the magnetic behavior of polycrystalline
ferromagnet/antiferromagnet (FM/AF) systems with granular interfaces. It considers that, for …

[HTML][HTML] Exchange bias of MnFe2O4@ γFe2O3 and CoFe2O4@ γFe2O3 core/shell nanoparticles

R Cabreira-Gomes, FG Silva, R Aquino… - Journal of magnetism …, 2014 - Elsevier
We compare here exchange bias (EB) properties of chemically synthesized core–shell
nanoparticles (NPs), based either on a core of soft ferrite (MnFe 2 O 4) or hard ferrite (CoFe …