BaCu2Si2O7: A quasi-one-dimensional S = 1/2 antiferromagnetic chain system

I. Tsukada; Y. Sasago; K. Uchinokura; A. Zheludev; S. Maslov; G. Shirane; K. Kakurai; E. Ressouche

doi:10.1103/PhysRevB.60.6601

BaCu₂Si₂O₇: A quasi-one-dimensional S = 1/2 antiferromagnetic chain system

I. Tsukada, Y. Sasago, K. Uchinokura, A. Zheludev, S. Maslov, G. Shirane, K. Kakurai, E. Ressouche

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

Abstract

The antiferromagnetic (AF) compound BaCu₂Si₂O₇is studied by magnetic susceptibility and neutron-scattering techniques. The observed behavior is dominated by the presence of loosely coupled S=1/2 chains with the intrachain AF exchange constant J≈ 24.1 meV. Long-range Néel ordering is observed below T_N=9.2 K. The results are discussed within the framework of the mean-field RPA model for weakly interacting quantum spin chains.

Original language	English (US)
Pages (from-to)	6601-6607
Number of pages	7
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	60
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevB.60.6601
State	Published - 1999
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Online availability

10.1103/PhysRevB.60.6601

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Cite this

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abstract = "The antiferromagnetic (AF) compound BaCu2Si2O7is studied by magnetic susceptibility and neutron-scattering techniques. The observed behavior is dominated by the presence of loosely coupled S=1/2 chains with the intrachain AF exchange constant J≈ 24.1 meV. Long-range N{\'e}el ordering is observed below TN=9.2 K. The results are discussed within the framework of the mean-field RPA model for weakly interacting quantum spin chains.",

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AU - Tsukada, I.

AU - Sasago, Y.

AU - Uchinokura, K.

AU - Zheludev, A.

AU - Maslov, S.

AU - Shirane, G.

AU - Kakurai, K.

AU - Ressouche, E.

PY - 1999

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AB - The antiferromagnetic (AF) compound BaCu2Si2O7is studied by magnetic susceptibility and neutron-scattering techniques. The observed behavior is dominated by the presence of loosely coupled S=1/2 chains with the intrachain AF exchange constant J≈ 24.1 meV. Long-range Néel ordering is observed below TN=9.2 K. The results are discussed within the framework of the mean-field RPA model for weakly interacting quantum spin chains.

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