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  Enhancement of A′-site Mn3+ spin ordering by B-site Mn4+ substitution in quadruple perovskite PbMn3Cr3MnO12

Liu, G., Zhou, L., Zhou, B., Ye, X., Lu, D., Shen, X., et al. (2021). Enhancement of A′-site Mn3+ spin ordering by B-site Mn4+ substitution in quadruple perovskite PbMn3Cr3MnO12. Applied Physics Letters, 118: 262403, pp. 1-5. doi:10.1063/5.0051128.

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 Creators:
Liu, Guangxiu1, Author
Zhou, Long1, Author
Zhou, Bowen1, Author
Ye, Xubin1, Author
Lu, Dabiao1, Author
Shen, Xudong1, Author
Qin, Shijun1, Author
Hu, Zhiwei2, Author           
Chin, Yi-Ying1, Author
Lin, Hong-Ji1, Author
Chen, Chien-Te1, Author
Yu, Xiaohui1, Author
Long, Youwen1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Zhiwei Hu, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863461              

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Free keywords: Antiferromagnetism, Chromium compounds, Lanthanum compounds, Lead compounds, Manganese compounds, Perovskite, Antiferromagnetic phase transition, Electronic configuration, High pressure and high temperature, Isostructural, Ordering temperature, Perovskite oxides, Spin couplings, Spin interaction, Boron compounds
 Abstract: An A-site ordered but B-site disordered quadruple perovskite oxide PbMn3Cr3MnO12 was synthesized by high-pressure and high-temperature methods. The compound crystallizes in space group Im-3 with the charge distribution of Pb2+Mn3+3Cr3+3Mn4+O12. Three antiferromagnetic phase transitions are found to occur at TN1 ≈ 155, TN2 ≈ 81, and TN3 ≈ 74 K, respectively, due to the complex B-site and A′-B intersite spin interactions. Compared with the isostructural LaMn3Cr4O12 with negligible A′-B intersite spin coupling, the substitution of Mn4+, which has identical electronic configuration to that of Cr3+ (t2g3), into the B site can introduce A′-B intersite spin interactions. As a result, the A′-site spin-related ordering temperature increases significantly, while the B-site one remains little changed in the current PbMn3Cr3MnO12. This work opens up a way to enhance the A′-site spin ordering temperature in quadruple perovskite oxides. © 2021 Author(s).

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Language(s): eng - English
 Dates: 2021-06-292021-06-29
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1063/5.0051128
 Degree: -

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Title: Applied Physics Letters
  Abbreviation : Appl. Phys. Lett.
Source Genre: Journal
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Affiliations:
Publ. Info: Melville, NY : American Institute of Physics
Pages: - Volume / Issue: 118 Sequence Number: 262403 Start / End Page: 1 - 5 Identifier: ISSN: 0003-6951
CoNE: https://pure.mpg.de/cone/journals/resource/954922836223