Structure–relaxivity relationships of magnetic nanoparticles for magnetic resonance imaging

Z Zhou, L Yang, J Gao, X Chen - Advanced Materials, 2019 - Wiley Online Library
Magnetic nanoparticles (MNPs) have been extensively explored as magnetic resonance
imaging (MRI) contrast agents. With the increasing complexity in the structure of modern …

Epitaxial exchange-bias systems: From fundamentals to future spin-orbitronics

W Zhang, KM Krishnan - Materials Science and Engineering: R: Reports, 2016 - Elsevier
Exchange bias has been investigated for more than half a century and several insightful
reviews, published around the year 2000, have already summarized many key experimental …

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 …

Full electric control of exchange bias

SM Wu, SA Cybart, D Yi, JM Parker, R Ramesh… - Physical review …, 2013 - APS
We report the creation of a multiferroic field effect device with a BiFeO 3 (BFO)(
antiferromagnetic-ferroelectric) gate dielectric and a La 0.7 Sr 0.3 MnO 3 …

How to manipulate magnetic states of antiferromagnets

C Song, Y You, X Chen, X Zhou, Y Wang… - Nanotechnology, 2018 - iopscience.iop.org
Antiferromagnetic materials, which have drawn considerable attention recently, have
fascinating features: they are robust against perturbation, produce no stray fields, and exhibit …

Imaging antiferromagnetic domains in nickel oxide thin films by optical birefringence effect

J Xu, C Zhou, M Jia, D Shi, C Liu, H Chen, G Chen… - Physical Review B, 2019 - APS
Recent demonstrations of electrical detection and manipulation of antiferromagnets (AFMs)
have opened new opportunities toward robust and ultrafast spintronics devices. However, it …

Exchange bias of the interface spin system at the Fe/MgO interface

Y Fan, KJ Smith, G Lüpke, AT Hanbicki… - Nature …, 2013 - nature.com
The ferromagnet/oxide interface is key to developing emerging multiferroic and spintronic
technologies with new functionality. Here we probe the Fe/MgO interface magnetization, and …

Spin Seebeck Effect from Antiferromagnetic Magnons and Critical Spin Fluctuations in Epitaxial Films

J Li, Z Shi, VH Ortiz, M Aldosary, C Chen, V Aji, P Wei… - Physical review …, 2019 - APS
We report a longitudinal spin Seebeck effect (SSE) study in epitaxially grown FeF 2 (110)
antiferromagnetic (AFM) thin films with strong uniaxial anisotropy over the temperature …

Direct observation of imprinted antiferromagnetic vortex states in CoO/Fe/Ag (001) discs

J Wu, D Carlton, JS Park, Y Meng, E Arenholz… - Nature Physics, 2011 - nature.com
In magnetic thin films, a magnetic vortex is a state in which the magnetization vector curls
around the centre of a confined structure. In a thin-film disc, vortex states are characterized …

Tunable magnetic anisotropy of antiferromagnetic NiO in (Fe)/NiO/MgO/Cr/MgO (001) epitaxial multilayers

W Janus, T Ślęzak, M Ślęzak, M Szpytma, P Dróżdż… - Scientific Reports, 2023 - nature.com
We report on the magnetic properties of antiferromagnetic NiO (001) thin films in epitaxially
grown NiO/MgO (d MgO)/Cr/MgO (001) system for different thicknesses of MgO, d MgO …