Field-induced spin reorientation and low-temperature structural phase transition in La2-xSrxCuO4

T. Goto; T. Suzuki; K. Chiba; T. Shinoda; M. Mori; T. Fukase

doi:10.1016/S0921-4526(97)00990-3

Field-induced spin reorientation and low-temperature structural phase transition in La_2-xSr_xCuO₄

T. Goto, T. Suzuki, K. Chiba, T. Shinoda, M. Mori, T. Fukase

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

6 Citations (Scopus)

Abstract

The effect of the magnetic field on the crystal structural and the magnetic ordering at low temperatures of La_2-xSr_xCuO₄ (x ∼ 1/8) has been studied using the ultrasonic and NMR measurements. An increase of the sound velocity V_s below T^u_d2 (∼ 10 K at H = 0) is drastically enhanced by applying the field, suggesting that the magnetic field promotes the structural phase transition to the tetragonal phase. A broadening of the resonance line of La-NMR in the magnetically ordered state below T_N (∼ 35 K at x = 0.115) shows a significant shrink by applying a high magnetic field of 15 T, which is interpreted as the spin-flop in the canted-spin system with the Dzyaloshinski-Moriya interaction. A model is proposed to explain both this spin-flop and the field-dependent structural instability described above in this system.

Original language	English
Pages (from-to)	572-575
Number of pages	4
Journal	Physica B: Condensed Matter
Volume	246-247
DOIs	https://doi.org/10.1016/S0921-4526(97)00990-3
Publication status	Published - 1998 May 29
Externally published	Yes

Keywords

La-NMR
LaSrCuO
Spin-flop
Structural phase transition

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1016/S0921-4526(97)00990-3

Cite this

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title = "Field-induced spin reorientation and low-temperature structural phase transition in La2-xSrxCuO4",

abstract = "The effect of the magnetic field on the crystal structural and the magnetic ordering at low temperatures of La2-xSrxCuO4 (x ∼ 1/8) has been studied using the ultrasonic and NMR measurements. An increase of the sound velocity Vs below Tud2 (∼ 10 K at H = 0) is drastically enhanced by applying the field, suggesting that the magnetic field promotes the structural phase transition to the tetragonal phase. A broadening of the resonance line of La-NMR in the magnetically ordered state below TN (∼ 35 K at x = 0.115) shows a significant shrink by applying a high magnetic field of 15 T, which is interpreted as the spin-flop in the canted-spin system with the Dzyaloshinski-Moriya interaction. A model is proposed to explain both this spin-flop and the field-dependent structural instability described above in this system.",

keywords = "La-NMR, LaSrCuO, Spin-flop, Structural phase transition",

author = "T. Goto and T. Suzuki and K. Chiba and T. Shinoda and M. Mori and T. Fukase",

note = "Funding Information: High field measurements were carried out at the High-Field-Laboratory, IMR Tohoku University. This work was partly supported by the Grant-in-Aid from the Ministry of Education, Science and Culture.",

year = "1998",

month = may,

day = "29",

doi = "10.1016/S0921-4526(97)00990-3",

language = "English",

volume = "246-247",

pages = "572--575",

journal = "Physica B: Condensed Matter",

issn = "0921-4526",

publisher = "Elsevier",

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T1 - Field-induced spin reorientation and low-temperature structural phase transition in La2-xSrxCuO4

AU - Goto, T.

AU - Suzuki, T.

AU - Chiba, K.

AU - Shinoda, T.

AU - Mori, M.

AU - Fukase, T.

N1 - Funding Information: High field measurements were carried out at the High-Field-Laboratory, IMR Tohoku University. This work was partly supported by the Grant-in-Aid from the Ministry of Education, Science and Culture.

PY - 1998/5/29

Y1 - 1998/5/29

N2 - The effect of the magnetic field on the crystal structural and the magnetic ordering at low temperatures of La2-xSrxCuO4 (x ∼ 1/8) has been studied using the ultrasonic and NMR measurements. An increase of the sound velocity Vs below Tud2 (∼ 10 K at H = 0) is drastically enhanced by applying the field, suggesting that the magnetic field promotes the structural phase transition to the tetragonal phase. A broadening of the resonance line of La-NMR in the magnetically ordered state below TN (∼ 35 K at x = 0.115) shows a significant shrink by applying a high magnetic field of 15 T, which is interpreted as the spin-flop in the canted-spin system with the Dzyaloshinski-Moriya interaction. A model is proposed to explain both this spin-flop and the field-dependent structural instability described above in this system.

AB - The effect of the magnetic field on the crystal structural and the magnetic ordering at low temperatures of La2-xSrxCuO4 (x ∼ 1/8) has been studied using the ultrasonic and NMR measurements. An increase of the sound velocity Vs below Tud2 (∼ 10 K at H = 0) is drastically enhanced by applying the field, suggesting that the magnetic field promotes the structural phase transition to the tetragonal phase. A broadening of the resonance line of La-NMR in the magnetically ordered state below TN (∼ 35 K at x = 0.115) shows a significant shrink by applying a high magnetic field of 15 T, which is interpreted as the spin-flop in the canted-spin system with the Dzyaloshinski-Moriya interaction. A model is proposed to explain both this spin-flop and the field-dependent structural instability described above in this system.

KW - La-NMR

KW - LaSrCuO

KW - Spin-flop

KW - Structural phase transition

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JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

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