Detection of Zhang-Rice singlets using spin-polarized photoemission

N. B. Brookes, G. Ghiringhelli, O. Tjernberg, L. H. Tjeng, T. Mizokawa, T. W. Li, A. A. Menovsky

研究成果: Article査読

34 被引用数 (Scopus)

抄録

Zhang-Rice singlets in high temperature superconductors were detected using spin-resolved photoemission study. Optimally doped cuprates were cleaved in situ in an ultrahigh vacuum chamber with a base pressure of 4 × 10-11 mbar. The spectra were recorded at room temperature using a 140 mm mean radius hemispherical analyzer. Results indicated that the lowest lying states in high temperature superconductors were of singlet character and these states were more stable than the triplet states by 1 eV.

本文言語English
論文番号237003
ページ(範囲)2370031-2370034
ページ数4
ジャーナルPhysical Review Letters
87
23
出版ステータスPublished - 2001 12 3
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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