Emerging ultrafast techniques for studying quantum materials

A Zong, BR Nebgen, SC Lin, JA Spies… - Nature Reviews …, 2023 - nature.com
In quantum materials, emergent functional properties resulting from strong correlations or
electronic topology offer opportunities for new applications. Over the past decade, ultrafast …

Phase diagram of a distorted kagome antiferromagnet and application to Y-kapellasite

M Hering, F Ferrari, A Razpopov, II Mazin… - npj Computational …, 2022 - nature.com
We investigate the magnetism of a previously unexplored distorted spin-1/2 kagome model
consisting of three symmetry-inequivalent nearest-neighbor antiferromagnetic Heisenberg …

Polarization-Resolved Extreme-Ultraviolet Second-Harmonic Generation from

CB Uzundal, S Jamnuch, E Berger, C Woodahl… - Physical Review Letters, 2021 - APS
Second harmonic generation (SHG) spectroscopy ubiquitously enables the investigation of
surface chemistry, interfacial chemistry, as well as symmetry properties in solids …

Dynamic fingerprint of fractionalized excitations in single-crystalline Cu3Zn(OH)6FBr

Y Fu, ML Lin, L Wang, Q Liu, L Huang, W Jiang… - Nature …, 2021 - nature.com
Beyond the absence of long-range magnetic orders, the most prominent feature of the
elusive quantum spin liquid (QSL) state is the existence of fractionalized spin excitations, ie …

Origin of magnetic ordering in a structurally perfect quantum kagome antiferromagnet

T Arh, M Gomilšek, P Prelovšek, M Pregelj… - Physical Review Letters, 2020 - APS
The ground state of the simple Heisenberg nearest-neighbor quantum kagome
antiferromagnetic model is a magnetically disordered spin liquid, yet various perturbations …

Site-specific structure at multiple length scales in kagome quantum spin liquid candidates

RW Smaha, I Boukahil, CJ Titus, JM Jiang… - Physical review …, 2020 - APS
Realizing a quantum spin liquid (QSL) ground state in a real material is a leading issue in
condensed matter physics research. In this pursuit, it is crucial to fully characterize the …

Specific heat of the kagome antiferromagnet herbertsmithite in high magnetic fields

Q Barthélemy, A Demuer, C Marcenat, T Klein, B Bernu… - Physical Review X, 2022 - APS
Measuring the specific heat of herbertsmithite single crystals in high magnetic fields (up to
34 T) allows us to isolate the low-temperature kagome contribution while shifting away …

Magnetic Phase Diagram of Cu4–xZnx (OH) 6FBr Studied by Neutron-Diffraction and μSR Techniques

Y Wei, X Ma, Z Feng, D Adroja, A Hillier… - Chinese Physics …, 2020 - iopscience.iop.org
We systematically investigate the magnetic properties of Cu 4–x Zn x (OH) 6 FBr using the
neutron diffraction and muon spin rotation and relaxation (μSR) techniques. Neutron …

Magnetic ordering of the distorted kagome antiferromagnet (OH)] prepared via optimal synthesis

W Sun, T Arh, M Gomilšek, P Koželj, S Vrtnik… - Physical review …, 2021 - APS
Experimental studies of high-purity kagome-lattice antiferromagnets (KAFMs) are of great
importance in attempting to better understand the predicted enigmatic quantum spin-liquid …

Heat conduction in herbertsmithite: Field dependence at the onset of the quantum spin liquid regime

Q Barthélemy, É Lefrançois, J Baglo… - Physical Review B, 2023 - APS
We report thermal conductivity measurements on single crystals of herbertsmithite, over a
wide range of temperatures (0.05–120 K) in magnetic fields up to 15 T. We also report …