Ferrimagnetic 120<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msup><mml:mrow /><mml:mo>∘</mml:mo></mml:msup></mml:math>magnetic structure in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>Cu</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>OSO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math>

Favre, Virgile; Tucker, Gregory S.; Ritter, C.; Sibille, Romain; Manuel, Pascal; Frontzek, Matthias; Kriener, Markus; Yang, Lin; Berger, H.; Magrez, Arnaud; Casati, Nicola; Živković, Ivica; Rønnow, Henrik M.

doi:10.1103/physrevb.102.094422

Phys. Rev. B

2020

DOI: 10.1103/physrevb.102.094422

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Ferrimagnetic 120∘magnetic structure inCu2OSO4

Virgile Favre¹,

Gregory S. Tucker²,

C. Ritter³

et al.

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Cited by 4 publications

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Observation of Thermally Induced Piezomagnetic Switching in Cu₂OSeO₃ Polymorph Synthesized under High‐Pressure

Wu,

Aoyama,

Morikawa

et al. 2024

Advanced Physics Research

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A polymorph of Cu2OSeO3 with the distorted kagome lattice is successfully obtained using the high‐pressure synthesis technique (Cu2OSeO3‐HP). The structural analysis using X‐ray and neutron powder diffraction suggests that the tetrahedral Cu2+ clusters [similar to those in Cu2OSeO3 ambient‐pressure phase (Cu2OSeO3‐AP)] exist in Cu2OSeO3‐HP but with three symmetry inequivalent sites. No structural change is observed between 1.5 K and the room temperature. The complex magnetic H‐T phase diagram is established based on the temperature‐ and field‐dependent magnetization data, indicating two distinct antiferromagnetic phases at low and intermediate temperatures, in addition to the higher‐temperature spin‐glass‐like phase. The low temperature phase is identified by neutron powder diffraction refinements as a canted noncollinear antiferromagnetic order with a weak ferromagnetic component along the b‐axis. Size of the refined ordered moment is ≈1.00(4) µB in Cu2OSeO3‐HP, indicating a large enhancement compared to that of Cu2OSeO3‐AP (≈0.61 µB). By applying a uniaxial stress, finite enhancement of weak ferromagnetic component in the noncollinear antiferromagnetic phase in Cu2OSeO3‐HP is observed, which is the clear evidence of the piezomagnetic effect. Interestingly, the sign of the induced magnetization changes on heating from the low‐temperature to the intermediate‐temperature phases, indicating a novel piezomagnetic switching effect in this compound.

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Observation of Thermally Induced Piezomagnetic Switching in Cu₂OSeO₃ Polymorph Synthesized under High‐Pressure

Wu,

Aoyama,

Morikawa

et al. 2024

Advanced Physics Research

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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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Frustration relief and reorientation transition in the kagomelike dolerophanite Cu2OSO4

Panther,

Tsirlin,

Rousochatzakis

2023

Phys. Rev. B

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Ferrimagnetic 120∘magnetic structure inCu2OSO4

Cited by 4 publications

References 45 publications

Observation of Thermally Induced Piezomagnetic Switching in Cu₂OSeO₃ Polymorph Synthesized under High‐Pressure

Observation of Thermally Induced Piezomagnetic Switching in Cu₂OSeO₃ Polymorph Synthesized under High‐Pressure

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

Frustration relief and reorientation transition in the kagomelike dolerophanite Cu2OSO4

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Ferrimagnetic 120∘magnetic structure inCu2OSO4

Cited by 4 publications

References 45 publications

Observation of Thermally Induced Piezomagnetic Switching in Cu2OSeO3 Polymorph Synthesized under High‐Pressure

Observation of Thermally Induced Piezomagnetic Switching in Cu2OSeO3 Polymorph Synthesized under High‐Pressure

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

Frustration relief and reorientation transition in the kagomelike dolerophanite Cu2OSO4

Contact Info

Product

Resources

About

Observation of Thermally Induced Piezomagnetic Switching in Cu₂OSeO₃ Polymorph Synthesized under High‐Pressure

Observation of Thermally Induced Piezomagnetic Switching in Cu₂OSeO₃ Polymorph Synthesized under High‐Pressure

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