Vibrational Spectroscopy of Superconducting MgB2 by Neutron Inelastic Scattering

Takahiro Muranaka, Serena Margadonna, Isabelle Maurin, Kierin Brigatti, Daniele Colognesi, Kosmas Prassides, Yoshihiro Iwasa, Masatoshi Arai, Masaki Takata, Jun Akimitsu

研究成果: Article査読

21 被引用数 (Scopus)

抄録

Neutron inelastic scattering measurements have been performed on superconducting MgB2 above and below Tc. The temperature dependence of the generalized phonon density-of-states showed clear anomalous behaviour near 24 meV in the acoustic phonon region, which may be interpreted as evidence of a substantial contribution to the total electron-phonon coupling strength deriving from these phonons. Weaker evidence for a corresponding response in the high-energy B bond stretching phonons was also encountered.

本文言語English
ページ(範囲)1480-1482
ページ数3
ジャーナルjournal of the physical society of japan
70
6
DOI
出版ステータスPublished - 2001 6

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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