Infrared phonons as a probe of a spin-liquid states in herbertsmithite ZnCu3(OH)6Cl2

Abstract

We report on temperature dependence of the infrared reflectivity spectra of a single crystalline herbertsmithite in two polarizations --- parallel and perpendicular to the kagome plane of Cu atoms. We observe anomalous broadening of the low frequency phonons possibly caused by fluctuations in the exotic dynamical magnetic order of the spin liquid.

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Cited by in corpus (9)

• Electrodynamics of quantum spin liquids
• Nature of optical excitations in the frustrated kagome compound Herbertsmithite
• Lattice dynamics in the spin-1/2 frustrated kagome compound herbertsmithite
• Ingredients for Generalized Models of $\kappa$-Phase Organic Charge-Transfer Salts: A Review
• Low-Energy Excitations in Quantum Spin-Liquids Identified by Optical Spectroscopy
• Valence bond phases of herbertsmithite and related copper kagome materials
• Fluctuating Fractionalized Spins in Quasi Two-dimensional Magnetic V0.85PS3
• Thermodynamic, dynamic and transport properties of quantum spin liquid in herbertsmithite from experimental and theoretical point of view
• Lattice dynamics of the frustrated kagome compound Y-kapellasite