Two-spin superexchange and four-spin cyclic exchange interactions in high Tc superconducting cuprates and isostructural La2NiO4

S. Sugai; M. Sato; T. Itoc; T. Ido; H. Takagi; S. Uchida; T. Kobayashi; J. Akimitsu; Y. Hidaka; T. Murakami; S. Hosoya; T. Kajitani; T. Fukuda

doi:10.1016/S0304-8853(10)80228-8

Two-spin superexchange and four-spin cyclic exchange interactions in high T_c superconducting cuprates and isostructural La₂NiO₄

S. Sugai, M. Sato, T. Itoc, T. Ido, H. Takagi, S. Uchida, T. Kobayashi, J. Akimitsu, Y. Hidaka, T. Murakami, S. Hosoya, T. Kajitani, T. Fukuda

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

Abstract

Raman spectra in the antiferromagnetic insulator phases of s = 1/2 high T_c superconducting cuprates were compared with s = 1 La₂NiO₄. The anomalous magnon spectra in cuprates suggest that the four-spin cyclic exchange interactions are very large. The doped carriers in cuprates show non-Fermi liquid behavior.

Original language	English
Pages (from-to)	631-632
Number of pages	2
Journal	Journal of Magnetism and Magnetic Materials
Volume	90-91
DOIs	https://doi.org/10.1016/S0304-8853(10)80228-8
Publication status	Published - 1990
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1016/S0304-8853(10)80228-8

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Sugai, S., Sato, M., Itoc, T., Ido, T., Takagi, H., Uchida, S., Kobayashi, T., Akimitsu, J., Hidaka, Y., Murakami, T., Hosoya, S., Kajitani, T., & Fukuda, T. (1990). Two-spin superexchange and four-spin cyclic exchange interactions in high T_c superconducting cuprates and isostructural La₂NiO₄. Journal of Magnetism and Magnetic Materials, 90-91, 631-632. https://doi.org/10.1016/S0304-8853(10)80228-8

Two-spin superexchange and four-spin cyclic exchange interactions in high T_c superconducting cuprates and isostructural La₂NiO₄. / Sugai, S.; Sato, M.; Itoc, T.; Ido, T.; Takagi, H.; Uchida, S.; Kobayashi, T.; Akimitsu, J.; Hidaka, Y.; Murakami, T.; Hosoya, S.; Kajitani, T.; Fukuda, T.

In: Journal of Magnetism and Magnetic Materials, Vol. 90-91, 1990, p. 631-632.

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

Sugai, S, Sato, M, Itoc, T, Ido, T, Takagi, H, Uchida, S, Kobayashi, T, Akimitsu, J, Hidaka, Y, Murakami, T, Hosoya, S, Kajitani, T & Fukuda, T 1990, 'Two-spin superexchange and four-spin cyclic exchange interactions in high T_c superconducting cuprates and isostructural La₂NiO₄', Journal of Magnetism and Magnetic Materials, vol. 90-91, pp. 631-632. https://doi.org/10.1016/S0304-8853(10)80228-8

Sugai, S. ; Sato, M. ; Itoc, T. ; Ido, T. ; Takagi, H. ; Uchida, S. ; Kobayashi, T. ; Akimitsu, J. ; Hidaka, Y. ; Murakami, T. ; Hosoya, S. ; Kajitani, T. ; Fukuda, T. / Two-spin superexchange and four-spin cyclic exchange interactions in high T_c superconducting cuprates and isostructural La₂NiO₄. In: Journal of Magnetism and Magnetic Materials. 1990 ; Vol. 90-91. pp. 631-632.

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abstract = "Raman spectra in the antiferromagnetic insulator phases of s = 1/2 high Tc superconducting cuprates were compared with s = 1 La2NiO4. The anomalous magnon spectra in cuprates suggest that the four-spin cyclic exchange interactions are very large. The doped carriers in cuprates show non-Fermi liquid behavior.",

author = "S. Sugai and M. Sato and T. Itoc and T. Ido and H. Takagi and S. Uchida and T. Kobayashi and J. Akimitsu and Y. Hidaka and T. Murakami and S. Hosoya and T. Kajitani and T. Fukuda",

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AU - Sugai, S.

AU - Sato, M.

AU - Itoc, T.

AU - Ido, T.

AU - Takagi, H.

AU - Uchida, S.

AU - Kobayashi, T.

AU - Akimitsu, J.

AU - Hidaka, Y.

AU - Murakami, T.

AU - Hosoya, S.

AU - Kajitani, T.

AU - Fukuda, T.

PY - 1990

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N2 - Raman spectra in the antiferromagnetic insulator phases of s = 1/2 high Tc superconducting cuprates were compared with s = 1 La2NiO4. The anomalous magnon spectra in cuprates suggest that the four-spin cyclic exchange interactions are very large. The doped carriers in cuprates show non-Fermi liquid behavior.

AB - Raman spectra in the antiferromagnetic insulator phases of s = 1/2 high Tc superconducting cuprates were compared with s = 1 La2NiO4. The anomalous magnon spectra in cuprates suggest that the four-spin cyclic exchange interactions are very large. The doped carriers in cuprates show non-Fermi liquid behavior.

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JF - Journal of Magnetism and Magnetic Materials

SN - 0304-8853

ER -

Two-spin superexchange and four-spin cyclic exchange interactions in high T_c superconducting cuprates and isostructural La₂NiO₄

Abstract

ASJC Scopus subject areas

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