Competing frustration and dilution effects on the antiferromagnetism in La2-xSrxCu1-zZnzO4

I. Ya Korenblit; Amnon Aharony; O. Entin-Wohlman

doi:10.1103/PhysRevB.60.R15017

Competing frustration and dilution effects on the antiferromagnetism in La_2-xSr_xCu_1-zZn_zO₄

I. Ya Korenblit, Amnon Aharony, O. Entin-Wohlman

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

16 Scopus citations

Abstract

The combined effects of hole doping and magnetic dilution on a lamellar Heisenberg antiferromagnet are studied in the framework of the frustration model. Magnetic vacancies are argued to remove some of the frustrating bonds generated by the holes, thus explaining the increase in the temperature and concentration ranges exhibiting three-dimensional long-range order. The dependence of the Néel temperature on both hole and vacancy concentrations is derived quantitatively from earlier renormalization-group calculations for the nondilute case, and the results reproduce experimental data with no new adjustable parameters.

Original language	English
Pages (from-to)	R15017-R15020
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	60
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.60.R15017
State	Published - 1 Jan 1999
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.60.R15017

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abstract = "The combined effects of hole doping and magnetic dilution on a lamellar Heisenberg antiferromagnet are studied in the framework of the frustration model. Magnetic vacancies are argued to remove some of the frustrating bonds generated by the holes, thus explaining the increase in the temperature and concentration ranges exhibiting three-dimensional long-range order. The dependence of the N{\'e}el temperature on both hole and vacancy concentrations is derived quantitatively from earlier renormalization-group calculations for the nondilute case, and the results reproduce experimental data with no new adjustable parameters.",

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AB - The combined effects of hole doping and magnetic dilution on a lamellar Heisenberg antiferromagnet are studied in the framework of the frustration model. Magnetic vacancies are argued to remove some of the frustrating bonds generated by the holes, thus explaining the increase in the temperature and concentration ranges exhibiting three-dimensional long-range order. The dependence of the Néel temperature on both hole and vacancy concentrations is derived quantitatively from earlier renormalization-group calculations for the nondilute case, and the results reproduce experimental data with no new adjustable parameters.

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Competing frustration and dilution effects on the antiferromagnetism in La_2-xSr_xCu_1-zZn_zO₄

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