Oxocuprates: A structural and magnetic zoo

B. L. Ramakrishna; E. W. Ong

doi:10.1063/1.342161

Oxocuprates: A structural and magnetic zoo

B. L. Ramakrishna, E. W. Ong

Engineering of Matter, Transport and Energy, School for (IAFSE-SEMTE)

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Abstract

We have attempted a magnetostructural correlation for the oxocuprates: Y₂Cu₂O₅, BaCuO₂, Y ₂BaCuO₅, and YBa₂Cu₃O₆, all of which are closely related to the new high-T_c superconductors. It was found that this series of compounds has interesting combinations of ferro- and antiferromagnetic interactions as a consequence of the structural and electronic variety of copper. Y₂Cu₂O₅ and Y₂BaCuO₅ were shown to be chain and layer magnetic systems, respectively. BaCuO₂, a complicated 3D structure, has interesting effects of exchange interaction manifested in the temperature-dependent EPR spectrum. YBa₂Cu₃O₆ has been shown to possess a Néel point at 450 K from EPR intensity variation with temperature.

Original language	English (US)
Pages (from-to)	5953-5955
Number of pages	3
Journal	Journal of Applied Physics
Volume	64
Issue number	10
DOIs	https://doi.org/10.1063/1.342161
State	Published - 1988

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Oxocuprates: A structural and magnetic zoo",

abstract = "We have attempted a magnetostructural correlation for the oxocuprates: Y2Cu2O5, BaCuO2, Y 2BaCuO5, and YBa2Cu3O6, all of which are closely related to the new high-Tc superconductors. It was found that this series of compounds has interesting combinations of ferro- and antiferromagnetic interactions as a consequence of the structural and electronic variety of copper. Y2Cu2O5 and Y2BaCuO5 were shown to be chain and layer magnetic systems, respectively. BaCuO2, a complicated 3D structure, has interesting effects of exchange interaction manifested in the temperature-dependent EPR spectrum. YBa2Cu3O6 has been shown to possess a N{\'e}el point at 450 K from EPR intensity variation with temperature.",

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AU - Ong, E. W.

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AB - We have attempted a magnetostructural correlation for the oxocuprates: Y2Cu2O5, BaCuO2, Y 2BaCuO5, and YBa2Cu3O6, all of which are closely related to the new high-Tc superconductors. It was found that this series of compounds has interesting combinations of ferro- and antiferromagnetic interactions as a consequence of the structural and electronic variety of copper. Y2Cu2O5 and Y2BaCuO5 were shown to be chain and layer magnetic systems, respectively. BaCuO2, a complicated 3D structure, has interesting effects of exchange interaction manifested in the temperature-dependent EPR spectrum. YBa2Cu3O6 has been shown to possess a Néel point at 450 K from EPR intensity variation with temperature.

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Oxocuprates: A structural and magnetic zoo

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