Spectral weight transfer and mass renormalization in LnNi2B2C (Ln = Y, La)

A. Fujimori; K. Kobayashi; T. Mizokawa; K. Mamiya; A. Sekiyama; H. Takagi; H. Eisaki; S. Uchida; R. J. Cava; J. J. Krajewski; W. F. Peck

doi:10.1016/0022-3697(95)00176-X

Spectral weight transfer and mass renormalization in LnNi₂B₂C (Ln = Y, La)

A. Fujimori^*, K. Kobayashi, T. Mizokawa, K. Mamiya, A. Sekiyama, H. Takagi, H. Eisaki, S. Uchida, R. J. Cava, J. J. Krajewski, W. F. Peck

^*この研究の対応する著者

研究成果: Article › 査読

抄録

We have studied the electronic structure of rare-earth Ni boro-carbides by high-resolution photoemission. The spectra of superconducting YNi₂B₂C and non-superconducting LaNi₂B₂C are remarkably similar in spite of large differences predicted by band-structure calculations. The disappearance of the peak in the density of states at the Fermi level is attributed to spectral weight transfer towards higher energies concomitant with the conduction-band mass renormalization.

本文言語	English
ページ（範囲）	1875-1876
ページ数	2
ジャーナル	Journal of Physics and Chemistry of Solids
巻	56
号	12
DOI	https://doi.org/10.1016/0022-3697(95)00176-X
出版ステータス	Published - 1995 12月
外部発表	はい

ASJC Scopus subject areas

化学 (全般)
材料科学（全般）
凝縮系物理学

文献へのアクセス

10.1016/0022-3697(95)00176-X

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引用スタイル

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title = "Spectral weight transfer and mass renormalization in LnNi2B2C (Ln = Y, La)",

abstract = "We have studied the electronic structure of rare-earth Ni boro-carbides by high-resolution photoemission. The spectra of superconducting YNi2B2C and non-superconducting LaNi2B2C are remarkably similar in spite of large differences predicted by band-structure calculations. The disappearance of the peak in the density of states at the Fermi level is attributed to spectral weight transfer towards higher energies concomitant with the conduction-band mass renormalization.",

author = "A. Fujimori and K. Kobayashi and T. Mizokawa and K. Mamiya and A. Sekiyama and H. Takagi and H. Eisaki and S. Uchida and Cava, {R. J.} and Krajewski, {J. J.} and Peck, {W. F.}",

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T1 - Spectral weight transfer and mass renormalization in LnNi2B2C (Ln = Y, La)

AU - Fujimori, A.

AU - Kobayashi, K.

AU - Mizokawa, T.

AU - Mamiya, K.

AU - Sekiyama, A.

AU - Takagi, H.

AU - Eisaki, H.

AU - Uchida, S.

AU - Cava, R. J.

AU - Krajewski, J. J.

AU - Peck, W. F.

PY - 1995/12

Y1 - 1995/12

N2 - We have studied the electronic structure of rare-earth Ni boro-carbides by high-resolution photoemission. The spectra of superconducting YNi2B2C and non-superconducting LaNi2B2C are remarkably similar in spite of large differences predicted by band-structure calculations. The disappearance of the peak in the density of states at the Fermi level is attributed to spectral weight transfer towards higher energies concomitant with the conduction-band mass renormalization.

AB - We have studied the electronic structure of rare-earth Ni boro-carbides by high-resolution photoemission. The spectra of superconducting YNi2B2C and non-superconducting LaNi2B2C are remarkably similar in spite of large differences predicted by band-structure calculations. The disappearance of the peak in the density of states at the Fermi level is attributed to spectral weight transfer towards higher energies concomitant with the conduction-band mass renormalization.

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