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Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5). / Gontchar, L. E.; Nikiforov, A. E.
In: Physical Review B - Condensed Matter and Materials Physics, Vol. 66, No. 1, 2002, p. 144371-144379.

Research output: Contribution to journal › Article › peer-review

Harvard

Gontchar, LE & Nikiforov, AE 2002, 'Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5)', Physical Review B - Condensed Matter and Materials Physics, vol. 66, no. 1, pp. 144371-144379.

APA

Gontchar, L. E., & Nikiforov, A. E. (2002). Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5). Physical Review B - Condensed Matter and Materials Physics, 66(1), 144371-144379.

Vancouver

Gontchar LE, Nikiforov AE. Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5). Physical Review B - Condensed Matter and Materials Physics. 2002;66(1):144371-144379.

Author

Gontchar, L. E. ; Nikiforov, A. E. / Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5). In: Physical Review B - Condensed Matter and Materials Physics. 2002 ; Vol. 66, No. 1. pp. 144371-144379.

BibTeX

@article{9db249af281f479a8618e34c02eda97a,
title = "Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5)",
abstract = "Manganites with general formulas RMnO3 and R0.5A0.5MnO3, where R3+ is a rare-earth ion, and A2+ is an alkaline-earth ion, are known as insulating pure or charge ordered compounds at low temperatures with some R and A. In the present work, it is shown how the charge ordering and crystal structure form the orbital structure, which strongly effects the superexchange interaction. An explicit space group and the magnitudes of the distortions of each crystal were used in the calculations. We assume an ideal insulating state of the crystals. The model presented in this work allows one to explain the CE and A magnetic structures in terms of charge and orbital structures using quantitative estimations of the exchange parameters. The model also allows one to find easy axis and noncollinear components of a multisublattice magnetic structure of manganites.",
author = "Gontchar, {L. E.} and Nikiforov, {A. E.}",
year = "2002",
language = "English",
volume = "66",
pages = "144371--144379",
journal = "Physical Review B - Condensed Matter and Materials Physics",
issn = "2469-9950",
publisher = "American Physical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Superexchange interaction in insulating manganites R1-xAxMnO3 (x=0, 0.5)

AU - Gontchar, L. E.

AU - Nikiforov, A. E.

PY - 2002

Y1 - 2002

N2 - Manganites with general formulas RMnO3 and R0.5A0.5MnO3, where R3+ is a rare-earth ion, and A2+ is an alkaline-earth ion, are known as insulating pure or charge ordered compounds at low temperatures with some R and A. In the present work, it is shown how the charge ordering and crystal structure form the orbital structure, which strongly effects the superexchange interaction. An explicit space group and the magnitudes of the distortions of each crystal were used in the calculations. We assume an ideal insulating state of the crystals. The model presented in this work allows one to explain the CE and A magnetic structures in terms of charge and orbital structures using quantitative estimations of the exchange parameters. The model also allows one to find easy axis and noncollinear components of a multisublattice magnetic structure of manganites.

AB - Manganites with general formulas RMnO3 and R0.5A0.5MnO3, where R3+ is a rare-earth ion, and A2+ is an alkaline-earth ion, are known as insulating pure or charge ordered compounds at low temperatures with some R and A. In the present work, it is shown how the charge ordering and crystal structure form the orbital structure, which strongly effects the superexchange interaction. An explicit space group and the magnitudes of the distortions of each crystal were used in the calculations. We assume an ideal insulating state of the crystals. The model presented in this work allows one to explain the CE and A magnetic structures in terms of charge and orbital structures using quantitative estimations of the exchange parameters. The model also allows one to find easy axis and noncollinear components of a multisublattice magnetic structure of manganites.

UR - http://www.scopus.com/inward/record.url?partnerID=8YFLogxK&scp=0036651573

M3 - Article

VL - 66

SP - 144371

EP - 144379

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

SN - 2469-9950

IS - 1

ER -

ID: 44174208