Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals

Jin Nakamura, Shin Ya Nasubida, Eiki Kabasawa, Hisashi Yamazaki, Nobuyoshi Yamada, Kazuhiko Kuroki, Masamitsu Watanabe, Tamio Oguchi, Sergey Lee, Ayako Yamamoto, Setsuko Tajima, Yuji Umeda, Shin Minakawa, Noriaki Kimura, Haruyoshi Aoki, Shigeki Otani, Shik Shin, Thomas A. Callcott, David L. Ederer, Jonathan D. DenlingerRupert C C Perera

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The effect of electron correlation (EC) on the electronic structure in MgB2, AlB2, and ZrB2, is studied by examining the partial density of states (PDOS) of B 2pσ and pπ orbitals using the polarization dependence of x-ray emission and absorption spectra. The discrepancies between observed and calculated PDOS's cannot be attributed to EC effects. The present results suggest that the EC effect is less than the experimental error (∼0.2 eV), which indirectly supports a scenario that electron-phonon interaction plays an essential role in the occurrence of superconductivity.

Original languageEnglish
Article number064515
Pages (from-to)645151-645155
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume68
Issue number6
Publication statusPublished - 2003 Aug
Externally publishedYes

Fingerprint

Electron correlations
Electronic structure
Single crystals
electronic structure
single crystals
Electron-phonon interactions
electrons
x ray spectra
electron phonon interactions
Superconductivity
Absorption spectra
emission spectra
superconductivity
occurrences
Polarization
absorption spectra
X rays
orbitals
polarization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Nakamura, J., Nasubida, S. Y., Kabasawa, E., Yamazaki, H., Yamada, N., Kuroki, K., ... Perera, R. C. C. (2003). Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals. Physical Review B - Condensed Matter and Materials Physics, 68(6), 645151-645155. [064515].

Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals. / Nakamura, Jin; Nasubida, Shin Ya; Kabasawa, Eiki; Yamazaki, Hisashi; Yamada, Nobuyoshi; Kuroki, Kazuhiko; Watanabe, Masamitsu; Oguchi, Tamio; Lee, Sergey; Yamamoto, Ayako; Tajima, Setsuko; Umeda, Yuji; Minakawa, Shin; Kimura, Noriaki; Aoki, Haruyoshi; Otani, Shigeki; Shin, Shik; Callcott, Thomas A.; Ederer, David L.; Denlinger, Jonathan D.; Perera, Rupert C C.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 68, No. 6, 064515, 08.2003, p. 645151-645155.

Research output: Contribution to journalArticle

Nakamura, J, Nasubida, SY, Kabasawa, E, Yamazaki, H, Yamada, N, Kuroki, K, Watanabe, M, Oguchi, T, Lee, S, Yamamoto, A, Tajima, S, Umeda, Y, Minakawa, S, Kimura, N, Aoki, H, Otani, S, Shin, S, Callcott, TA, Ederer, DL, Denlinger, JD & Perera, RCC 2003, 'Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals', Physical Review B - Condensed Matter and Materials Physics, vol. 68, no. 6, 064515, pp. 645151-645155.
Nakamura J, Nasubida SY, Kabasawa E, Yamazaki H, Yamada N, Kuroki K et al. Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals. Physical Review B - Condensed Matter and Materials Physics. 2003 Aug;68(6):645151-645155. 064515.
Nakamura, Jin ; Nasubida, Shin Ya ; Kabasawa, Eiki ; Yamazaki, Hisashi ; Yamada, Nobuyoshi ; Kuroki, Kazuhiko ; Watanabe, Masamitsu ; Oguchi, Tamio ; Lee, Sergey ; Yamamoto, Ayako ; Tajima, Setsuko ; Umeda, Yuji ; Minakawa, Shin ; Kimura, Noriaki ; Aoki, Haruyoshi ; Otani, Shigeki ; Shin, Shik ; Callcott, Thomas A. ; Ederer, David L. ; Denlinger, Jonathan D. ; Perera, Rupert C C. / Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals. In: Physical Review B - Condensed Matter and Materials Physics. 2003 ; Vol. 68, No. 6. pp. 645151-645155.
@article{fcdd64cd8bdd403fa4b412fb6cd50a8f,
title = "Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals",
abstract = "The effect of electron correlation (EC) on the electronic structure in MgB2, AlB2, and ZrB2, is studied by examining the partial density of states (PDOS) of B 2pσ and pπ orbitals using the polarization dependence of x-ray emission and absorption spectra. The discrepancies between observed and calculated PDOS's cannot be attributed to EC effects. The present results suggest that the EC effect is less than the experimental error (∼0.2 eV), which indirectly supports a scenario that electron-phonon interaction plays an essential role in the occurrence of superconductivity.",
author = "Jin Nakamura and Nasubida, {Shin Ya} and Eiki Kabasawa and Hisashi Yamazaki and Nobuyoshi Yamada and Kazuhiko Kuroki and Masamitsu Watanabe and Tamio Oguchi and Sergey Lee and Ayako Yamamoto and Setsuko Tajima and Yuji Umeda and Shin Minakawa and Noriaki Kimura and Haruyoshi Aoki and Shigeki Otani and Shik Shin and Callcott, {Thomas A.} and Ederer, {David L.} and Denlinger, {Jonathan D.} and Perera, {Rupert C C}",
year = "2003",
month = "8",
language = "English",
volume = "68",
pages = "645151--645155",
journal = "Physical Review B-Condensed Matter",
issn = "0163-1829",
publisher = "American Institute of Physics Publising LLC",
number = "6",

}

TY - JOUR

T1 - Electronic structure of B 2pσ and pπ states in MgB2, AlB2, and ZrB2 single crystals

AU - Nakamura, Jin

AU - Nasubida, Shin Ya

AU - Kabasawa, Eiki

AU - Yamazaki, Hisashi

AU - Yamada, Nobuyoshi

AU - Kuroki, Kazuhiko

AU - Watanabe, Masamitsu

AU - Oguchi, Tamio

AU - Lee, Sergey

AU - Yamamoto, Ayako

AU - Tajima, Setsuko

AU - Umeda, Yuji

AU - Minakawa, Shin

AU - Kimura, Noriaki

AU - Aoki, Haruyoshi

AU - Otani, Shigeki

AU - Shin, Shik

AU - Callcott, Thomas A.

AU - Ederer, David L.

AU - Denlinger, Jonathan D.

AU - Perera, Rupert C C

PY - 2003/8

Y1 - 2003/8

N2 - The effect of electron correlation (EC) on the electronic structure in MgB2, AlB2, and ZrB2, is studied by examining the partial density of states (PDOS) of B 2pσ and pπ orbitals using the polarization dependence of x-ray emission and absorption spectra. The discrepancies between observed and calculated PDOS's cannot be attributed to EC effects. The present results suggest that the EC effect is less than the experimental error (∼0.2 eV), which indirectly supports a scenario that electron-phonon interaction plays an essential role in the occurrence of superconductivity.

AB - The effect of electron correlation (EC) on the electronic structure in MgB2, AlB2, and ZrB2, is studied by examining the partial density of states (PDOS) of B 2pσ and pπ orbitals using the polarization dependence of x-ray emission and absorption spectra. The discrepancies between observed and calculated PDOS's cannot be attributed to EC effects. The present results suggest that the EC effect is less than the experimental error (∼0.2 eV), which indirectly supports a scenario that electron-phonon interaction plays an essential role in the occurrence of superconductivity.

UR - http://www.scopus.com/inward/record.url?scp=0141839727&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0141839727&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0141839727

VL - 68

SP - 645151

EP - 645155

JO - Physical Review B-Condensed Matter

JF - Physical Review B-Condensed Matter

SN - 0163-1829

IS - 6

M1 - 064515

ER -