Unusual Evolution of the Magnetic Interactions versus Structural Distortions <?format ?>in Perovskites

JS Zhou, JB Goodenough - Physical review letters, 2006 - APS
We report the refinement of x-ray powder diffraction together with magnetic and thermal
conductivity measurements made on the entire family of R MnO 3 perovskites prepared by …

Complex interplay of and magnetism in

J Hemberger, S Lobina, HA Krug von Nidda… - Physical Review B …, 2004 - APS
We report on structural, magnetic, electrical, and thermodynamic properties of Gd-doped La
Mn O 3 single crystals for Gd doping levels 0⩽ x⩽ 1. At room temperature, for all doping …

Magnetic structure of by neutron diffraction

R Kajimoto, H Yoshizawa, H Shintani, T Kimura… - Physical Review B …, 2004 - APS
Magnetic ordering in TbMnO 3 was revisited by a neutron diffraction study. In addition to the
previously reported A-type and G-type modulated structures with a propagation vector (0, q …

Enhanced Ferroelectric Polarization by Induced Dy Spin Order in Multiferroic

O Prokhnenko, R Feyerherm, E Dudzik… - Physical Review Letters, 2007 - APS
Neutron powder diffraction and single crystal x-ray resonant magnetic scattering
measurements suggest that Dy plays an active role in enhancing the ferroelectric …

Landau analysis of the symmetry of the magnetic structure and magnetoelectric interaction in multiferroics

AB Harris - Physical Review B—Condensed Matter and Materials …, 2007 - APS
This paper presents a detailed instruction manual for constructing the Landau expansion for
magnetoelectric coupling in incommensurate ferroelectric magnets, including Ni 3 V 2 O 8 …

Theory of spin-phonon coupling in multiferroic manganese perovskites MnO

M Mochizuki, N Furukawa, N Nagaosa - Physical Review B—Condensed …, 2011 - APS
Magnetoelectric phase diagrams of the rare-earth (R) Mn perovskites R MnO 3 are
theoretically studied by focusing on crucial roles of the symmetric magnetostriction or the …

Diffraction studies of multiferroics

RD Johnson, PG Radaelli - Annual Review of Materials …, 2014 - annualreviews.org
In multiferroics, magnetism is coupled to ferroelectricity so that the configuration of magnetic
moments may be modified by an external electric field and, conversely, the electrically polar …

Characterization of RMnO3 (R= Sc, Y, Dy-Lu): High-pressure synthesized metastable perovskites and their hexagonal precursor phases

K Uusi-Esko, J Malm, N Imamura, H Yamauchi… - Materials Chemistry and …, 2008 - Elsevier
A series of RMnO3 samples with R= Sc, Y, Dy-Lu was synthesized through a two-step route
in which first the hexagonal oxides, h-RMnO3, were prepared under normal pressure using …

Spin model of magnetostrictions in multiferroic Mn perovskites

M Mochizuki, N Furukawa, N Nagaosa - Physical review letters, 2010 - APS
We theoretically study origins of the ferroelectricity in the multiferroic phases of the rare-earth
(R) Mn perovskites, R MnO 3, by constructing a realistic spin model including the spin …

The magnetic structure of YMnO3 perovskite revisited

A Munoz, JA Alonso, MT Casais… - Journal of Physics …, 2002 - iopscience.iop.org
The magnetic structure of the orthorhombic perovskite YMnO 3 has been investigated. A
study on a polycrystalline sample based on neutron diffraction data and magnetization …