Experimental signatures of quantum and topological states in frustrated magnetism

J Khatua, B Sana, A Zorko, M Gomilšek, K Sethupathi… - Physics Reports, 2023 - Elsevier
Frustration in magnetic materials arising from competing exchange interactions can prevent
the system from adopting long-range magnetic order and can instead lead to a diverse …

Magnetic chirality as probed by neutron scattering

V Simonet, M Loire, R Ballou - The European Physical Journal Special …, 2012 - Springer
We review the concept of chirality, at first briefly in a general context then in the specific
framework of the spin networks. We next discuss to what extent neutron scattering appears …

Dzyaloshinsky-Moriya interaction in vesignieite: A route to freezing in a quantum kagome antiferromagnet

A Zorko, F Bert, A Ozarowski, J Van Tol, D Boldrin… - Physical Review B …, 2013 - APS
We report an electron-spin-resonance investigation of the geometrically frustrated spin-1/2
kagome antiferromagnet vesignieite, BaCu 3 V 2 O 8 (OH) 2. Analysis of the linewidths and …

Universal fluctuating regime in triangular chromate antiferromagnets

K Somesh, Y Furukawa, G Simutis, F Bert… - Physical Review B, 2021 - APS
We report x-ray diffraction, magnetic susceptibility, heat capacity, H 1 nuclear magnetic
resonance (NMR), and muon spin relaxation (μ SR) measurements, as well as density …

Observation of nonreciprocal directional dichroism via electromagnon resonance in a chiral-lattice helimagnet

H Narita, Y Tokunaga, A Kikkawa, Y Taguchi, Y Tokura… - Physical Review B, 2016 - APS
Nonreciprocal directional dichroism (NDD) is investigated on a magnetic resonance with
both electric and magnetic dipole activities, ie, electromagnon, for a chiral-lattice helimagnet …

Magnetic control of ferroelectric polarization in a self-formed single magnetoelectric domain of multiferroic Ba3NbFe3Si2O14

N Lee, YJ Choi, SW Cheong - Applied Physics Letters, 2014 - pubs.aip.org
We have discovered strong magnetoelectric (ME) effects in the single chiral-helical magnetic
state of single-crystalline langasite Ba 3 NbFe 3 Si 2 O 14 that is crystallographically chiral …

Helical bunching and symmetry lowering inducing multiferroicity in Fe langasites

L Chaix, R Ballou, A Cano, S Petit, S De Brion… - Physical Review B, 2016 - APS
The chiral Fe-based langasites represent model systems of triangle-based frustrated
magnets with a strong potential for multiferroicity. We report neutron-scattering …

Tuning the Langasite, La 3 SbZn 3 Si 2 O 14, towards white light emission: synthesis, structure, SHG and photoluminescence studies

A Bhim, A Mohanty, S Natarajan - Dalton Transactions, 2020 - pubs.rsc.org
A series of single-phase color-tunable Langasite, La3SbZn3Si2O14: RE3+ (RE= Eu, Tb, and
Tm) phosphors have been prepared and characterized employing X-ray diffraction (XRD) …

Dzyaloshinskii-Moriya driven helical-butterfly structure in BaNbFeSiO

V Scagnoli, SW Huang, M Garganourakis… - Physical Review B …, 2013 - APS
We have used soft x-ray magnetic diffraction at the Fe 3+ L 2, 3 edges to examine to what
extent the Dzyaloshinsky-Moriya interaction in Ba 3 NbFe 3 Si 2 O 14 influences its low …