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

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

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Article number	237003
Pages (from-to)	2370031-2370034
Number of pages	4
Journal	Physical Review Letters
Volume	87
Issue number	23
Publication status	Published - 2001 Dec 3
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "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.",

author = "Brookes, {N. B.} and G. Ghiringhelli and O. Tjernberg and Tjeng, {L. H.} and T. Mizokawa and Li, {T. W.} and Menovsky, {A. A.}",

year = "2001",

month = dec,

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language = "English",

volume = "87",

pages = "2370031--2370034",

journal = "Physical Review Letters",

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T1 - Detection of Zhang-Rice singlets using spin-polarized photoemission

AU - Brookes, N. B.

AU - Ghiringhelli, G.

AU - Tjernberg, O.

AU - Tjeng, L. H.

AU - Mizokawa, T.

AU - Li, T. W.

AU - Menovsky, A. A.

PY - 2001/12/3

Y1 - 2001/12/3

N2 - 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.

AB - 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.

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