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 …

Terahertz electrodynamics in transition metal oxides

KS Kumar, GL Prajapati, R Dagar… - Advanced Optical …, 2020 - Wiley Online Library
Transition metal oxides (TMOs) are among the most contemporary topics in condensed
matter research. For over the past three decades, the most astounding discoveries of high …

Does local disorder occur in the pyrochlore zirconates?

PER Blanchard, R Clements, BJ Kennedy… - Inorganic …, 2012 - ACS Publications
The zirconates Ln2Zr2O7 (Ln= lanthanoid) have been studied using a combination of Zr L-
edge X-ray absorption near edge structure (XANES) and synchrotron X-ray and neutron …

Power-Law Spin Correlations in the Pyrochlore Antiferromagnet

T Fennell, M Kenzelmann, B Roessli, MK Haas… - Physical review …, 2012 - APS
We investigate the low-temperature state of the rare-earth pyrochlore Tb 2 Ti 2 O 7 using
polarized neutron scattering. Tb 2 Ti 2 O 7 is often described as an antiferromagnetic spin …

Raman scattering study of delafossite magnetoelectric multiferroic compounds: CuFeO2 and CuCrO2

O Aktas, KD Truong, T Otani… - Journal of Physics …, 2011 - iopscience.iop.org
Ultrasonic velocity measurements on the magnetoelectric multiferroic compound CuFeO 2
reveal that the antiferromagnetic transition observed at T N1= 14 K might be induced by an …

Structural and optical studies on Dy3+ doped Gd2Ti2O7 pyrochlore as white light emission

U Berwal, V Singh, R Sharma - Ceramics International, 2023 - Elsevier
A series of Dy 3+ trivalent ion embedded into the GTO pyrochlore (Gd 2-x Dy x Ti 2 O 7 (x=
0.5, 1.0, 1.5, 2.0, and 2.5 mol%)) have been synthesized through standard solid state …

Coherent control of rare earth 4f shell wavefunctions in the quantum spin liquid Tb2Ti2O7

R Mankowsky, M Müller, M Sander, S Zerdane… - Nature …, 2024 - nature.com
The resonant excitation of electronic transitions with coherent laser sources creates
quantum coherent superpositions of the involved electronic states. Most time-resolved …

Crystal electric field in the R2Ti2O7 pyrochlore compounds

A Bertin, Y Chapuis, PD De Réotier… - Journal of Physics …, 2012 - iopscience.iop.org
Using a simple scaling law, a unique set of crystal-field parameters for the rare-earth ions R
in the R 2 Ti 2 O 7 pyrochlore series is shown to provide a proper description of the crystal …

Dynamics of topological excitations in a model quantum spin ice

CJ Huang, Y Deng, Y Wan, ZY Meng - Physical review letters, 2018 - APS
We study the quantum spin dynamics of a frustrated XXZ model on a pyrochlore lattice by
using large-scale quantum Monte Carlo simulation and stochastic analytic continuation. In …

Phase transformations induced by high electronic excitation in ion-irradiated Gd2 (ZrxTi1− x) 2O7 pyrochlores

G Sattonnay, S Moll, L Thomé, C Decorse… - Journal of Applied …, 2010 - pubs.aip.org
The pyrochlore oxides (A 2 B 2 O 7) exhibit a remarkable range of structural, physical, and
magnetic properties related to their various chemical compositions. This article reports the …