Phonon softening in HgBa2CuO4+δ observed by inelastic X-ray scattering

H. Uchiyama, A. Q.R. Baron, S. Tsutsui, Y. Tanaka, W. Z. Hu, A. Yamamoto, S. Tajima, Y. Endoh

研究成果: Article査読

抄録

Phonon dispersion of HgBa2CuO4+δ along the direction close to [100] was measured with using inelastic X-ray scattering. The longitudinal optical Cu-O bond stretching mode shows an anomalous softening at q∼0.3, similar to reports for other high-Tc cuprates, such as YBa2Cu3O7-δ and La2-x-Sr xCuO4. This feature indicates a common property in the high-Tc cuprates, independent of lattice distortion and transition temperature.

本文言語English
ページ(範囲)3130-3133
ページ数4
ジャーナルPhysica Status Solidi C: Conferences
1
11
DOI
出版ステータスPublished - 2004 12 1
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学

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