Atacamite Cu_{2}Cl(OH)_{3} in High Magnetic Fields: Quantum Criticality and Dimensional Reduction of a Sawtooth-Chain Compound
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We report an extensive high-field study of atacamite Cu_{2}Cl(OH)_{3}, a material realization of quantum sawtooth chains with weak interchain couplings, in continuous and pulsed magnetic fields up to 58 T. In particular, we have mapped the entropy landscape fo... ...