First-principles approaches to magnetoelectric multiferroics

C Xu, H Yu, J Wang, H Xiang - Annual Review of Condensed …, 2024 - annualreviews.org
Magnetoelectric multiferroics, which display both ferroelectric and magnetic orders, are
appealing because of their rich fundamental physics and promising technological …

Multiferroicity due to charge ordering

J Van Den Brink, DI Khomskii - Journal of Physics: Condensed …, 2008 - iopscience.iop.org
In this contribution to the special issue on multiferroics we focus on multiferroicity driven by
different forms of charge ordering. We will present the generic mechanisms by which charge …

First principles studies of multiferroic materials

S Picozzi, C Ederer - Journal of Physics: Condensed Matter, 2009 - iopscience.iop.org
Multiferroics, materials where spontaneous long-range magnetic and dipolar orders coexist,
represent an attractive class of compounds, which combine rich and fascinating fundamental …

First Principles Study of Improper Ferroelectricity in

A Malashevich, D Vanderbilt - Physical review letters, 2008 - APS
We carry out a first-principles theoretical study of the magnetically induced polarization in
orthorhombic TbMnO 3, a prototypical material in which a cycloidal-spin structure generates …

Giant Ferroelectric Polarization of Induced by a Combined Effect of <?format ?>Dzyaloshinskii-Moriya Interaction and Exchange Striction

XZ Lu, MH Whangbo, S Dong, XG Gong, HJ Xiang - Physical Review Letters, 2012 - APS
By extending our general spin-current model to noncentrosymmetric spin dimers and
performing density functional calculations, we investigate the causes for the helical magnetic …

Mixed-phase mullite electrocatalyst for pH-neutral oxygen reduction in magnesium-air batteries

Y Li, X Zhang, HB Li, HD Yoo, X Chi, Q An, J Liu, M Yu… - Nano Energy, 2016 - Elsevier
Magnesium-air battery is a promising energy storage device because of its high theoretical
voltage, high specific energy, low cost, and greater safety. Due to the passivation of Mg …

A neutron diffraction study of RMn2O5 multiferroics

PG Radaelli, LC Chapon - Journal of Physics: Condensed Matter, 2008 - iopscience.iop.org
The magnetic properties of RMn 2 O 5 multiferroics as obtained by unpolarized and
polarized neutron diffraction experiments are reviewed. We discuss the qualitative features …

Evidence for Room Temperature Electric Polarization in Multiferroics

V Balédent, S Chattopadhyay, P Fertey, MB Lepetit… - Physical review …, 2015 - APS
It is established that the multiferroics R Mn 2 O 5 crystallize in the centrosymmetric P bam
space group and that the magnetically induced electric polarization appearing at low …

Magnetic phase diagram and multiferroicity of : A spin- triangular lattice antiferromagnet with weak easy-axis anisotropy

M Lee, ES Choi, X Huang, J Ma, CR Dela Cruz… - Physical Review B, 2014 - APS
We have performed magnetic, electric, thermal, and neutron powder diffraction (NPD)
experiments as well as density functional theory (DFT) calculations on Ba 3 MnNb 2 O 9. All …

Investigation of high oxygen reduction reaction catalytic performance on Mn-based mullite SmMn 2 O 5

J Liu, M Yu, X Wang, J Wu, C Wang, L Zheng… - Journal of Materials …, 2017 - pubs.rsc.org
An alternative material SmMn2O5 mullite with regard to Pt/C is proposed to catalyze the
oxygen reduction reaction (ORR) by combining density functional theory (DFT) calculations …