Phase evolution and temperature-dependent behavior of averievite, Cu5O2(VO4)2(CuCl) and yaroshevskite, Cu9O2(VO4)4Cl2

Ginga, Victoria A.; Siidra, Oleg I.; Firsova, Vera A.; Charkin, Dmitri O.; Уголков, В. Л.

doi:10.1007/s00269-022-01213-6

Phys Chem Minerals

2022

DOI: 10.1007/s00269-022-01213-6

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Phase evolution and temperature-dependent behavior of averievite, Cu5O2(VO4)2(CuCl) and yaroshevskite, Cu9O2(VO4)4Cl2

Victoria A. Ginga

Oleg I. Siidra

Vera A. Firsova

et al.

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2024

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Cited by 3 publications

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Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu₅V₂O₁₀

Liu,

Ma,

Chang

et al. 2024

Crystal Growth & Design

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Quasi-two-dimensional averievites with triangle-Kagome-triangle trilayers are of interest due to their rich structural and magnetic transitions and strong spin frustration that are expected to host a quantum spin liquid ground state with suitable substitution or doping. Herein, we report the growth of bulk single crystals of averievite CsClCu 5 V 2 O 10 with dimensions of several millimeters on the edge in order to ( 1) address the open question of whether the room-temperature crystal structure is P3̅ m1, P3̅ , or P2 1 /c or else, (2) to elucidate the nature of phase transitions, and(3) to study direction-dependent physical properties. Singlecrystal-to-single-crystal structural transitions at ∼305 and ∼127 K were observed in the averievite CsClCu 5 V 2 O 10 single crystals. The nature of the transition at ∼305 K, which was reported as a P3̅ m1-P2 1 /c transition, was found to be a structural transition from high-temperature P3̅ m1 to low-temperature P3̅ by combining variable-temperature synchrotron X-ray single crystal and high-resolution powder diffraction. In-plane and out-of-plane magnetic susceptibility and heat capacity measurements confirm a first-order transition at 305 K, a structural transition at 127 K, and an antiferromagnetic transition at 24 K. These averievites are thus ideal model systems for a deeper understanding of structural transitions and magnetism.

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Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu₅V₂O₁₀

Liu,

Ma,

Chang

et al. 2024

Crystal Growth & Design

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Cascade of Phase Transitions and Large Magnetic Anisotropy in a Triangle-Kagome-Triangle Trilayer Antiferromagnet

Liu,

Chang,

Wang

et al. 2024

Chem. Mater.

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Spins in strongly frustrated systems are of intense interest due to the emergence of intriguing quantum states including superconductivity and quantum spin liquid. Herein, we report the discovery of a cascade of phase transitions and large magnetic anisotropy in the averievite CsClCu 5 P 2 O 10 single crystals. Under a zero field, CsClCu 5 P 2 O 10 undergoes a first-order structural transition at around 224 K from high-temperature centrosymmetric P3̅ m1 to low-temperature noncentrosymmetric P321 followed by an AFM transition at 13.6 K, and another AFM transition at ∼2.18 K. Based upon magnetic susceptibility and magnetization data with magnetic fields perpendicular to the ab plane, a phase diagram, consisting of a paramagnetic state, two AFM states, and two field-induced states including two magnetization plateaus, has been constructed. Our findings demonstrate that the quasi-2D CsClCu 5 P 2 O 10 exhibits rich structural and metamagnetic transitions, and the averievite family is a fertile platform for exploring novel quantum states.

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Assembling the Puzzle of Coparsite Polymorphism: Synthesis, Thermal Expansion, and Quantum Magnetism of α- and β-Cu₄O₂(VO₄)Cl

Ginga,

Siidra,

Tsirlin

et al. 2024

Inorg. Chem.

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Phase evolution and temperature-dependent behavior of averievite, Cu5O2(VO4)2(CuCl) and yaroshevskite, Cu9O2(VO4)4Cl2

Cited by 3 publications

References 32 publications

Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu₅V₂O₁₀

Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu₅V₂O₁₀

Cascade of Phase Transitions and Large Magnetic Anisotropy in a Triangle-Kagome-Triangle Trilayer Antiferromagnet

Assembling the Puzzle of Coparsite Polymorphism: Synthesis, Thermal Expansion, and Quantum Magnetism of α- and β-Cu₄O₂(VO₄)Cl

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Phase evolution and temperature-dependent behavior of averievite, Cu5O2(VO4)2(CuCl) and yaroshevskite, Cu9O2(VO4)4Cl2

Cited by 3 publications

References 32 publications

Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu5V2O10

Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu5V2O10

Cascade of Phase Transitions and Large Magnetic Anisotropy in a Triangle-Kagome-Triangle Trilayer Antiferromagnet

Assembling the Puzzle of Coparsite Polymorphism: Synthesis, Thermal Expansion, and Quantum Magnetism of α- and β-Cu4O2(VO4)Cl

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About

Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu₅V₂O₁₀

Bulk Crystal Growth and Single-Crystal-to-Single-Crystal Phase Transitions in the Averievite CsClCu₅V₂O₁₀

Assembling the Puzzle of Coparsite Polymorphism: Synthesis, Thermal Expansion, and Quantum Magnetism of α- and β-Cu₄O₂(VO₄)Cl