Study on magnetic ordering in (La, Nd, Sr)2CuO4

S. Shamoto; T. Kiyokura; M. Sato; K. Kakurai; Y. Nakamura; S. Uchida

doi:10.1016/0921-4534(92)90502-4

Study on magnetic ordering in (La, Nd, Sr)₂CuO₄

S. Shamoto, T. Kiyokura, M. Sato, K. Kakurai, Y. Nakamura, S. Uchida

Department of Physics

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

21 Citations (Scopus)

Abstract

Spin structures of La_1.65Nd_0.35CuO₄, which undergoes a structural transition at T = T'₁ ∼ 80 K from the orthorhombic (Bmab) to another orthorhombic (Pccn) phase, have been studied by single crystal neutron diffraction and magnetization measurements. The Néel temperature T_N was found to be about 303 K. Above T'₁, the La₂CuO₄-type spin structure is observed. Below T' ₁, the observed intensities can be explained by the mixtures of the La₂CuO₄-type and La₂NiO₄-type spin structures with spin cantings. Search for the spin ordering in La_1.49Nd_0.39Sr_0.12CuO₄ has also been carried out in the low-temperature tetragonal (P4₂/ncm) phase, where the superconductivity is suppressed, but no evidence for the ordering has been observed.

Original language	English
Pages (from-to)	7-15
Number of pages	9
Journal	Physica C: Superconductivity and its applications
Volume	203
Issue number	1-2
DOIs	https://doi.org/10.1016/0921-4534(92)90502-4
Publication status	Published - 1992 Dec 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/0921-4534(92)90502-4

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title = "Study on magnetic ordering in (La, Nd, Sr)2CuO4",

abstract = "Spin structures of La1.65Nd0.35CuO4, which undergoes a structural transition at T = T'1 ∼ 80 K from the orthorhombic (Bmab) to another orthorhombic (Pccn) phase, have been studied by single crystal neutron diffraction and magnetization measurements. The N{\'e}el temperature TN was found to be about 303 K. Above T'1, the La2CuO4-type spin structure is observed. Below T' 1, the observed intensities can be explained by the mixtures of the La2CuO4-type and La2NiO4-type spin structures with spin cantings. Search for the spin ordering in La1.49Nd0.39Sr0.12CuO4 has also been carried out in the low-temperature tetragonal (P42/ncm) phase, where the superconductivity is suppressed, but no evidence for the ordering has been observed.",

author = "S. Shamoto and T. Kiyokura and M. Sato and K. Kakurai and Y. Nakamura and S. Uchida",

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T1 - Study on magnetic ordering in (La, Nd, Sr)2CuO4

AU - Shamoto, S.

AU - Kiyokura, T.

AU - Sato, M.

AU - Kakurai, K.

AU - Nakamura, Y.

AU - Uchida, S.

PY - 1992/12/1

Y1 - 1992/12/1

N2 - Spin structures of La1.65Nd0.35CuO4, which undergoes a structural transition at T = T'1 ∼ 80 K from the orthorhombic (Bmab) to another orthorhombic (Pccn) phase, have been studied by single crystal neutron diffraction and magnetization measurements. The Néel temperature TN was found to be about 303 K. Above T'1, the La2CuO4-type spin structure is observed. Below T' 1, the observed intensities can be explained by the mixtures of the La2CuO4-type and La2NiO4-type spin structures with spin cantings. Search for the spin ordering in La1.49Nd0.39Sr0.12CuO4 has also been carried out in the low-temperature tetragonal (P42/ncm) phase, where the superconductivity is suppressed, but no evidence for the ordering has been observed.

AB - Spin structures of La1.65Nd0.35CuO4, which undergoes a structural transition at T = T'1 ∼ 80 K from the orthorhombic (Bmab) to another orthorhombic (Pccn) phase, have been studied by single crystal neutron diffraction and magnetization measurements. The Néel temperature TN was found to be about 303 K. Above T'1, the La2CuO4-type spin structure is observed. Below T' 1, the observed intensities can be explained by the mixtures of the La2CuO4-type and La2NiO4-type spin structures with spin cantings. Search for the spin ordering in La1.49Nd0.39Sr0.12CuO4 has also been carried out in the low-temperature tetragonal (P42/ncm) phase, where the superconductivity is suppressed, but no evidence for the ordering has been observed.

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ER -

Study on magnetic ordering in (La, Nd, Sr)₂CuO₄

Abstract

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