Hexagonal Manganites—(RMnO3): Class (I) Multiferroics with Strong Coupling of Magnetism and Ferroelectricity

B Lorenz - International Scholarly Research Notices, 2013 - Wiley Online Library
Hexagonal manganites belong to an exciting class of materials exhibiting strong interactions
between a highly frustrated magnetic system, the ferroelectric polarization, and the lattice …

Second-harmonic generation as a tool for studying electronic and magnetic structures of crystals

M Fiebig, VV Pavlov, RV Pisarev - JOSA B, 2005 - opg.optica.org
Second-harmonic generation (SHG) in magnetically ordered crystals is reviewed. The
symmetry of such crystals is determined by the arrangement of both the charges and the …

Giant magneto-elastic coupling in multiferroic hexagonal manganites

S Lee, A Pirogov, M Kang, KH Jang, M Yonemura… - Nature, 2008 - nature.com
The motion of atoms in a solid always responds to cooling or heating in a way that is
consistent with the symmetry of the given space group of the solid to which they belong …

Hexagonal RMnO3: a model system for two-dimensional triangular lattice antiferromagnets

H Sim, J Oh, J Jeong, MD Le… - … Section B: Structural …, 2016 - journals.iucr.org
The hexagonal RMnO3 (h-RMnO3) are multiferroic materials, which exhibit the coexistence
of a magnetic order and ferroelectricity. Their distinction is in their geometry that both results …

Conduction of topologically protected charged ferroelectric domain walls

W Wu, Y Horibe, N Lee, SW Cheong, JR Guest - Physical review letters, 2012 - APS
We report on the observation of nanoscale conduction at ferroelectric domain walls in
hexagonal HoMnO 3 protected by the topology of multiferroic vortices using in situ …

Phonon anomalies and the ferroelectric phase transition in multiferroic

R Haumont, J Kreisel, P Bouvier, F Hippert - Physical Review B—Condensed …, 2006 - APS
We report a temperature-dependent Raman scattering investigation of the multiferroic
material bismuth ferrite BiFeO 3 (BFO). The observed loss of the Raman spectrum at the …

Raman scattering study of polycrystalline magnetoelectric BiFeO3

D Kothari, VR Reddy, VG Sathe, A Gupta… - Journal of Magnetism …, 2008 - Elsevier
The present work reports the preparation and room temperature Raman study of
polycrystalline magnetoelectric BiFeO3 (BFO) material. All the 13 Raman modes predicted …

Distinct spin–lattice and spin–phonon interactions in monolayer magnetic CrI 3

L Webster, L Liang, JA Yan - Physical Chemistry Chemical Physics, 2018 - pubs.rsc.org
We apply the density-functional theory to study various phases (including non-magnetic
(NM), anti-ferromagnetic (AFM), and ferromagnetic (FM)) in monolayer magnetic chromium …

Electromagnons in Multiferroic and

AB Sushkov, RV Aguilar, S Park, SW Cheong… - Physical review …, 2007 - APS
Based on temperature dependent far infrared transmission spectra of YMn 2 O 5 and TbMn
2 O 5 single crystals, we report the observation of electric dipole-active magnetic excitations …

Thermal Conductivity of Geometrically Frustrated, Ferroelectric : Extraordinary Spin-Phonon Interactions

PA Sharma, JS Ahn, N Hur, S Park, SB Kim, S Lee… - Physical review …, 2004 - APS
The thermal conductivity of the magnetically frustrated, ferroelectric YM n O 3 exhibits an
isotropic suppression in the cooperative paramagnetic state, followed by a sudden increase …