Photoemission study of CeMIn5 (M = Rh, Ir): Nearly localized nature of f electrons

S. I. Fujimori; T. Okane; J. Okamoto; K. Mamiya; Y. Muramatsu; A. Fujimori; T. Narimura; K. Kobayashi; K. Shimada; H. Namatame; M. Taniguchi; H. Harima; D. Aoki; S. Ikeda; H. Shishido; Y. Tokiwa; Y. Haga; Y. Onuki

doi:10.1016/S0921-4526(02)02393-1

Photoemission study of CeMIn₅ (M = Rh, Ir): Nearly localized nature of f electrons

S. I. Fujimori, T. Okane, J. Okamoto, K. Mamiya, Y. Muramatsu, A. Fujimori, T. Narimura, K. Kobayashi, K. Shimada, H. Namatame, M. Taniguchi, H. Harima, D. Aoki, S. Ikeda, H. Shishido, Y. Tokiwa, Y. Haga, Y. Onuki

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

2 Citations (Scopus)

Abstract

We have performed 4d-4f (hv = 122 eV) and 3d-4f (hv = 881 eV) resonant photoemission spectroscopy studies on the heavy-fermion cerium compounds CeMIn5 (M = Rh and Ir), which show competition between superconductivity and antiferromagnetism. The results suggest that the Ce 4f electrons in both compounds are nearly localized. We have also found that although the Ce 4f electrons in the superconducting CelrIn₅ are more delocalized than those in the antiferromagnetic CeRhIn₅, their electronic structures are very similar to each other.

Original language	English
Pages (from-to)	547-548
Number of pages	2
Journal	Physica B: Condensed Matter
Volume	329-333
Issue number	II
DOIs	https://doi.org/10.1016/S0921-4526(02)02393-1
Publication status	Published - 2003 May
Externally published	Yes

Keywords

CeIrIn
CeRhIn
Photoemission spectroscopy

ASJC Scopus subject areas

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

Access to Document

10.1016/S0921-4526(02)02393-1

Cite this

Fujimori, S. I., Okane, T., Okamoto, J., Mamiya, K., Muramatsu, Y., Fujimori, A., Narimura, T., Kobayashi, K., Shimada, K., Namatame, H., Taniguchi, M., Harima, H., Aoki, D., Ikeda, S., Shishido, H., Tokiwa, Y., Haga, Y., & Onuki, Y. (2003). Photoemission study of CeMIn₅ (M = Rh, Ir): Nearly localized nature of f electrons. Physica B: Condensed Matter, 329-333(II), 547-548. https://doi.org/10.1016/S0921-4526(02)02393-1

Photoemission study of CeMIn₅ (M = Rh, Ir) : Nearly localized nature of f electrons. / Fujimori, S. I.; Okane, T.; Okamoto, J.; Mamiya, K.; Muramatsu, Y.; Fujimori, A.; Narimura, T.; Kobayashi, K.; Shimada, K.; Namatame, H.; Taniguchi, M.; Harima, H.; Aoki, D.; Ikeda, S.; Shishido, H.; Tokiwa, Y.; Haga, Y.; Onuki, Y.

In: Physica B: Condensed Matter, Vol. 329-333, No. II, 05.2003, p. 547-548.

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

Fujimori, SI, Okane, T, Okamoto, J, Mamiya, K, Muramatsu, Y, Fujimori, A, Narimura, T, Kobayashi, K, Shimada, K, Namatame, H, Taniguchi, M, Harima, H, Aoki, D, Ikeda, S, Shishido, H, Tokiwa, Y, Haga, Y & Onuki, Y 2003, 'Photoemission study of CeMIn₅ (M = Rh, Ir): Nearly localized nature of f electrons', Physica B: Condensed Matter, vol. 329-333, no. II, pp. 547-548. https://doi.org/10.1016/S0921-4526(02)02393-1

Fujimori, S. I. ; Okane, T. ; Okamoto, J. ; Mamiya, K. ; Muramatsu, Y. ; Fujimori, A. ; Narimura, T. ; Kobayashi, K. ; Shimada, K. ; Namatame, H. ; Taniguchi, M. ; Harima, H. ; Aoki, D. ; Ikeda, S. ; Shishido, H. ; Tokiwa, Y. ; Haga, Y. ; Onuki, Y. / Photoemission study of CeMIn₅ (M = Rh, Ir) : Nearly localized nature of f electrons. In: Physica B: Condensed Matter. 2003 ; Vol. 329-333, No. II. pp. 547-548.

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abstract = "We have performed 4d-4f (hv = 122 eV) and 3d-4f (hv = 881 eV) resonant photoemission spectroscopy studies on the heavy-fermion cerium compounds CeMIn5 (M = Rh and Ir), which show competition between superconductivity and antiferromagnetism. The results suggest that the Ce 4f electrons in both compounds are nearly localized. We have also found that although the Ce 4f electrons in the superconducting CelrIn5 are more delocalized than those in the antiferromagnetic CeRhIn5, their electronic structures are very similar to each other.",

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AU - Fujimori, S. I.

AU - Okane, T.

AU - Okamoto, J.

AU - Mamiya, K.

AU - Muramatsu, Y.

AU - Fujimori, A.

AU - Narimura, T.

AU - Kobayashi, K.

AU - Shimada, K.

AU - Namatame, H.

AU - Taniguchi, M.

AU - Harima, H.

AU - Aoki, D.

AU - Ikeda, S.

AU - Shishido, H.

AU - Tokiwa, Y.

AU - Haga, Y.

AU - Onuki, Y.

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AB - We have performed 4d-4f (hv = 122 eV) and 3d-4f (hv = 881 eV) resonant photoemission spectroscopy studies on the heavy-fermion cerium compounds CeMIn5 (M = Rh and Ir), which show competition between superconductivity and antiferromagnetism. The results suggest that the Ce 4f electrons in both compounds are nearly localized. We have also found that although the Ce 4f electrons in the superconducting CelrIn5 are more delocalized than those in the antiferromagnetic CeRhIn5, their electronic structures are very similar to each other.

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