Observation of modulated magnetic long-range order in La1.88Sr0.12CuO4

Takao Suzuki, T. Goto, K. Chiba, T. Shinoda, T. Fukase, H. Kimura, K. Yamada, M. Ohashi, Y. Yamaguchi

研究成果: Article

183 引用 (Scopus)

抄録

Magnetic superlattice peaks are observed in single-crystal neutron-diffraction measurements on orthorhombic La1.88Sr0.12CuO4 at reciprocal points of (1/2±∈,1/2,0) and (1/2,1/2±∈,0) in the tetragonal notation where ∈=0.126±0.003. The La NMR measurement reveals a broadening of the field-swept spectrum below ∼45 K corresponding to the existence of magnetic order. The remarkable softening of longitudinal sound waves along [110] is observed in the same crystal. The features observed in the neutron diffraction, NMR, and ultrasonic measurements suggest that the dynamical incommensurate spin correlation is pinned by a lattice instability toward the low-temperature tetragonal phase.

元の言語English
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
57
発行部数6
出版物ステータスPublished - 1998 2 1
外部発表Yes

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Neutron diffraction
Nuclear magnetic resonance
Ultrasonic measurement
neutron diffraction
nuclear magnetic resonance
Acoustic waves
Single crystals
sound waves
softening
Crystals
coding
ultrasonics
single crystals
Temperature
crystals

ASJC Scopus subject areas

  • Condensed Matter Physics

これを引用

Suzuki, T., Goto, T., Chiba, K., Shinoda, T., Fukase, T., Kimura, H., ... Yamaguchi, Y. (1998). Observation of modulated magnetic long-range order in La1.88Sr0.12CuO4. Physical Review B - Condensed Matter and Materials Physics, 57(6).

Observation of modulated magnetic long-range order in La1.88Sr0.12CuO4. / Suzuki, Takao; Goto, T.; Chiba, K.; Shinoda, T.; Fukase, T.; Kimura, H.; Yamada, K.; Ohashi, M.; Yamaguchi, Y.

:: Physical Review B - Condensed Matter and Materials Physics, 巻 57, 番号 6, 01.02.1998.

研究成果: Article

Suzuki, T, Goto, T, Chiba, K, Shinoda, T, Fukase, T, Kimura, H, Yamada, K, Ohashi, M & Yamaguchi, Y 1998, 'Observation of modulated magnetic long-range order in La1.88Sr0.12CuO4', Physical Review B - Condensed Matter and Materials Physics, 巻. 57, 番号 6.
Suzuki, Takao ; Goto, T. ; Chiba, K. ; Shinoda, T. ; Fukase, T. ; Kimura, H. ; Yamada, K. ; Ohashi, M. ; Yamaguchi, Y. / Observation of modulated magnetic long-range order in La1.88Sr0.12CuO4. :: Physical Review B - Condensed Matter and Materials Physics. 1998 ; 巻 57, 番号 6.
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AU - Chiba, K.

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AU - Fukase, T.

AU - Kimura, H.

AU - Yamada, K.

AU - Ohashi, M.

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AB - Magnetic superlattice peaks are observed in single-crystal neutron-diffraction measurements on orthorhombic La1.88Sr0.12CuO4 at reciprocal points of (1/2±∈,1/2,0) and (1/2,1/2±∈,0) in the tetragonal notation where ∈=0.126±0.003. The La NMR measurement reveals a broadening of the field-swept spectrum below ∼45 K corresponding to the existence of magnetic order. The remarkable softening of longitudinal sound waves along [110] is observed in the same crystal. The features observed in the neutron diffraction, NMR, and ultrasonic measurements suggest that the dynamical incommensurate spin correlation is pinned by a lattice instability toward the low-temperature tetragonal phase.

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