Giant optical anisotropy in high temperature superconducting cuprate bi2sr2cacu2o8+δ

Kun Zhang, Masataka Matsumoto, Kenta Nakagawa, Azusa Matsuda, Genki Shino, Sota Sato, Takuji Ikeda, Toru Asahi*

*この研究の対応する著者

研究成果: Article査読

抄録

Transmitted light measurements in ultraviolet and visible light regions have revealed giant optical anisotropy at 298K in the high-Tc superconducting cuprates Bi2Sr2CaCu2O8+δ crystals with optimal doping. We employed a generalizedhigh- accuracy universal polarimeter to measure linear birefringence and linear dichroism in ultrathin (001) single crystals of Bi2Sr2CaCu2O8+δ. In particular, remarkable anomalies in linear birefringence and linear dichroism were observed at 345 and 330 nm, respectively. These results explicitly suggest that the large optical anisotropy should be carefully considered when discussing the symmetry breaking of this compound, based on the experimental results of optical measurements.

本文言語English
論文番号113702
ジャーナルjournal of the physical society of japan
90
11
DOI
出版ステータスPublished - 2021 11 15

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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