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  Observation of A-site antiferromagnetic and B-site ferrimagnetic orderings in the quadruple perovskite oxide CaCu3Co2Re2O12

Liu, Z., Wang, X., Ye, X., Shen, X., Bian, Y., Ding, W., et al. (2021). Observation of A-site antiferromagnetic and B-site ferrimagnetic orderings in the quadruple perovskite oxide CaCu3Co2Re2O12. Physical Review B, 103: 014414, pp. 1-9. doi:10.1103/PhysRevB.103.014414.

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Liu, Zhehong1, Author
Wang, Xiao2, Author              
Ye, Xubin1, Author
Shen, Xudong1, Author
Bian, Yuecheng1, Author
Ding, Wei1, Author
Agrestini, Stefano3, Author              
Liao, Sheng-Chieh2, Author              
Lin, Hong-Ji1, Author
Chen, Chien-Te1, Author
Weng, Shih-Chang1, Author
Chen, Kai1, Author
Ohresser, Philippe1, Author
Nataf, Lucie1, Author
Baudelet, Francois1, Author
Sheng, Zhigao1, Author
Francoual, Sonia1, Author
Mardegan, José R. L.1, Author
Leupold, Olaf1, Author
Li, Zefang1, Author
Xi, Xuekui1, AuthorWang, Wenhong1, AuthorTjeng, Liu Hao4, Author              Hu, Zhiwei5, Author              Long, Youwen1, Author more..
Affiliations:
1External Organizations, ou_persistent22              
2Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863445              
3Stefano Agrestini, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863459              
4Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              
5Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              

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 Abstract: A quadruple perovskite oxide CaCu3Co2Re2O12 was synthesized by high-pressure annealing. This compound crystallizes in an A- and B-site ordered quadruple perovskite structure with space group Pn-3. The charge combination is determined to be CaCu2+3Co2+2Re6+2O12 by bond valence sum analysis and x-ray absorption spectroscopy. In contrast to other isostructural ACu3B2B2′O12 compounds with a single magnetic transition, a long-range antiferromagnetic phase transition originating from the A′-site Cu2+ sublattice is found to occur at TN≈28K. Subsequently, the spin coupling between the B-site Co2+ and B′-site Re6+ ions contributes to a ferrimagnetic transition around TC≈20K. Strong electrical insulating behavior is identified by optical measurement with an energy gap of approximately 3.75 eV. The mechanisms of the spin interactions are discussed in detail. © 2021 American Physical Society.

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Language(s): eng - English
 Dates: 2021-01-122021-01-12
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: DOI: 10.1103/PhysRevB.103.014414
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 103 Sequence Number: 014414 Start / End Page: 1 - 9 Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008