Comparative study of the binary icosahedral quasicrystal Cd5.7Yb and its crystalline approximant Cd6Yb by low-temperature ultrahigh-resolution photoemission spectroscopy

Ryuji Tamura; Yohsuke Murao; Shin Takeuchi; Takayuki Kiss; Takayoshi Yokoya; Shik Shin

doi:10.1103/PhysRevB.65.224207

Comparative study of the binary icosahedral quasicrystal Cd_5.7Yb and its crystalline approximant Cd₆Yb by low-temperature ultrahigh-resolution photoemission spectroscopy

Ryuji Tamura, Yohsuke Murao, Shin Takeuchi, Takayuki Kiss, Takayoshi Yokoya, Shik Shin

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

22 Citations (Scopus)

Abstract

Low-temperature ultrahigh-resolution photoemission (PE) spectroscopy of the recently discovered binary icosahedral (i) Cd_5.7Yb and its 1/1-cubic approximant Cd₆Yb has commonly revealed a sharp Fermi edge with a marked spectral intensity decrease towards the Fermi level (E_F), indicating the presence of a dip near E_F which is consistent with the recent result of electronic structure calculations [Y. Ishii and T. Fujiwara, Phys. Rev. Lett. 87, 206408 (2001)], and the dip at E_F is found to be much deeper in i-Cd_5.7Yb than in 1/1-Cd₆Yb. Moreover, surface core-level shifts (SCS's) are clearly observed in the quasicrystal and the approximant, and the SCS's are found to be substantially different between these two compounds of different long-range orders.

Original language	English
Article number	224207
Pages (from-to)	2242071-2242075
Number of pages	5
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.65.224207
Publication status	Published - Jun 1 2002
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Tamura, R., Murao, Y., Takeuchi, S., Kiss, T., Yokoya, T., & Shin, S. (2002). Comparative study of the binary icosahedral quasicrystal Cd_5.7Yb and its crystalline approximant Cd₆Yb by low-temperature ultrahigh-resolution photoemission spectroscopy. Physical Review B - Condensed Matter and Materials Physics, 65(22), 2242071-2242075. [224207]. https://doi.org/10.1103/PhysRevB.65.224207

Comparative study of the binary icosahedral quasicrystal Cd_5.7Yb and its crystalline approximant Cd₆Yb by low-temperature ultrahigh-resolution photoemission spectroscopy. / Tamura, Ryuji; Murao, Yohsuke; Takeuchi, Shin; Kiss, Takayuki; Yokoya, Takayoshi; Shin, Shik.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 65, No. 22, 224207, 01.06.2002, p. 2242071-2242075.

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

Tamura, R, Murao, Y, Takeuchi, S, Kiss, T, Yokoya, T & Shin, S 2002, 'Comparative study of the binary icosahedral quasicrystal Cd_5.7Yb and its crystalline approximant Cd₆Yb by low-temperature ultrahigh-resolution photoemission spectroscopy', Physical Review B - Condensed Matter and Materials Physics, vol. 65, no. 22, 224207, pp. 2242071-2242075. https://doi.org/10.1103/PhysRevB.65.224207

Tamura R, Murao Y, Takeuchi S, Kiss T, Yokoya T, Shin S. Comparative study of the binary icosahedral quasicrystal Cd_5.7Yb and its crystalline approximant Cd₆Yb by low-temperature ultrahigh-resolution photoemission spectroscopy. Physical Review B - Condensed Matter and Materials Physics. 2002 Jun 1;65(22):2242071-2242075. 224207. https://doi.org/10.1103/PhysRevB.65.224207

Tamura, Ryuji ; Murao, Yohsuke ; Takeuchi, Shin ; Kiss, Takayuki ; Yokoya, Takayoshi ; Shin, Shik. / Comparative study of the binary icosahedral quasicrystal Cd_5.7Yb and its crystalline approximant Cd₆Yb by low-temperature ultrahigh-resolution photoemission spectroscopy. In: Physical Review B - Condensed Matter and Materials Physics. 2002 ; Vol. 65, No. 22. pp. 2242071-2242075.

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title = "Comparative study of the binary icosahedral quasicrystal Cd5.7Yb and its crystalline approximant Cd6Yb by low-temperature ultrahigh-resolution photoemission spectroscopy",

abstract = "Low-temperature ultrahigh-resolution photoemission (PE) spectroscopy of the recently discovered binary icosahedral (i) Cd5.7Yb and its 1/1-cubic approximant Cd6Yb has commonly revealed a sharp Fermi edge with a marked spectral intensity decrease towards the Fermi level (EF), indicating the presence of a dip near EF which is consistent with the recent result of electronic structure calculations [Y. Ishii and T. Fujiwara, Phys. Rev. Lett. 87, 206408 (2001)], and the dip at EF is found to be much deeper in i-Cd5.7Yb than in 1/1-Cd6Yb. Moreover, surface core-level shifts (SCS's) are clearly observed in the quasicrystal and the approximant, and the SCS's are found to be substantially different between these two compounds of different long-range orders.",

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