Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates

M. P.M. Dean; A. J.A. James; A. C. Walters; V. Bisogni; I. Jarrige; M. Hücker; E. Giannini; M. Fujita; J. Pelliciari; Y. B. Huang; R. M. Konik; T. Schmitt; J. P. Hill

doi:10.1103/PhysRevB.90.220506

Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates

M. P.M. Dean, A. J.A. James, A. C. Walters, V. Bisogni, I. Jarrige, M. Hücker, E. Giannini, M. Fujita, J. Pelliciari, Y. B. Huang, R. M. Konik, T. Schmitt, J. P. Hill

金属材料研究所・材料物性研究部

研究成果: Article › 査読

24 被引用数 (Scopus)

抄録

The cuprate high temperature superconductors exhibit a pronounced trend in which the superconducting transition temperature Tc increases with the number of CuO2 planes n in the crystal structure. We compare the magnetic excitation spectrum of Bi2+xSr2-xCuO6+δ (Bi-2201) and Bi2Sr2Ca2Cu3O10+δ (Bi-2223), with n=1 and 3, respectively, using Cu L3-edge resonant inelastic x-ray scattering. Near the antinodal zone boundary we find the paramagnon energy in Bi-2223 is substantially higher than that in Bi-2201, indicating that multilayer cuprates host stronger effective magnetic exchange interactions, providing a possible explanation for the Tc vs n scaling. In contrast, the nodal direction exhibits very strongly damped, almost nondispersive excitations. We argue that this implies that the magnetism in the doped cuprates is partially itinerant in nature.

本文言語	English
論文番号	220506
ジャーナル	Physical Review B - Condensed Matter and Materials Physics
巻	90
号	22
DOI	https://doi.org/10.1103/PhysRevB.90.220506
出版ステータス	Published - 2014 12 4

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

文献へのアクセス

10.1103/PhysRevB.90.220506

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引用スタイル

Dean, M. P. M., James, A. J. A., Walters, A. C., Bisogni, V., Jarrige, I., Hücker, M., Giannini, E., Fujita, M., Pelliciari, J., Huang, Y. B., Konik, R. M., Schmitt, T., & Hill, J. P. (2014). Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates. Physical Review B - Condensed Matter and Materials Physics, 90(22), [220506]. https://doi.org/10.1103/PhysRevB.90.220506

Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates. / Dean, M. P.M.; James, A. J.A.; Walters, A. C.; Bisogni, V.; Jarrige, I.; Hücker, M.; Giannini, E.; Fujita, M.; Pelliciari, J.; Huang, Y. B.; Konik, R. M.; Schmitt, T.; Hill, J. P.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 90, No. 22, 220506, 04.12.2014.

研究成果: Article › 査読

Dean, MPM, James, AJA, Walters, AC, Bisogni, V, Jarrige, I, Hücker, M, Giannini, E, Fujita, M, Pelliciari, J, Huang, YB, Konik, RM, Schmitt, T & Hill, JP 2014, 'Itinerant effects and enhanced magnetic interactions in Bi-based multilayer cuprates', Physical Review B - Condensed Matter and Materials Physics, vol. 90, no. 22, 220506. https://doi.org/10.1103/PhysRevB.90.220506

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abstract = "The cuprate high temperature superconductors exhibit a pronounced trend in which the superconducting transition temperature Tc increases with the number of CuO2 planes n in the crystal structure. We compare the magnetic excitation spectrum of Bi2+xSr2-xCuO6+δ (Bi-2201) and Bi2Sr2Ca2Cu3O10+δ (Bi-2223), with n=1 and 3, respectively, using Cu L3-edge resonant inelastic x-ray scattering. Near the antinodal zone boundary we find the paramagnon energy in Bi-2223 is substantially higher than that in Bi-2201, indicating that multilayer cuprates host stronger effective magnetic exchange interactions, providing a possible explanation for the Tc vs n scaling. In contrast, the nodal direction exhibits very strongly damped, almost nondispersive excitations. We argue that this implies that the magnetism in the doped cuprates is partially itinerant in nature.",

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AU - Jarrige, I.

AU - Hücker, M.

AU - Giannini, E.

AU - Fujita, M.

AU - Pelliciari, J.

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AU - Konik, R. M.

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AU - Hill, J. P.

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