http://www.cnr.it/ontology/cnr/individuo/prodotto/ID1477
Crystal-field and Zhang-Rice-singlet excitations in CuGe1-xSixO3 (x=0, 0.05, and 0.1) from temperature-, angle-, and polarization-dependent resonant soft x-ray emission (Articolo in rivista)
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- Crystal-field and Zhang-Rice-singlet excitations in CuGe1-xSixO3 (x=0, 0.05, and 0.1) from temperature-, angle-, and polarization-dependent resonant soft x-ray emission (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.75.195106 (literal)
- Alternative label
Bondino, F; Zangrando, M; Zacchigna, M; Dhalenne, G; Revcolevschi, A; Parmigiani, F (2007)
Crystal-field and Zhang-Rice-singlet excitations in CuGe1-xSixO3 (x=0, 0.05, and 0.1) from temperature-, angle-, and polarization-dependent resonant soft x-ray emission
in Physical review. B, Condensed matter and materials physics; APS, American physical society, College Park, MD (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Bondino, F; Zangrando, M; Zacchigna, M; Dhalenne, G; Revcolevschi, A; Parmigiani, F (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR, INFM, Lab Nazl TASC, Basovizza Trieste, Italy; Univ Paris 11, UMR 8182, Lab Phys Chim Solides, F-91400 Orsay, France; Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy (literal)
- Titolo
- Crystal-field and Zhang-Rice-singlet excitations in CuGe1-xSixO3 (x=0, 0.05, and 0.1) from temperature-, angle-, and polarization-dependent resonant soft x-ray emission (literal)
- Abstract
- The absence of a clear signature of the Zhang-Rice singlet in the photoelectron valence band spectra of copper germanate raised the question of the stability of this state, induced by one-electron removal processes, in large-gap systems. Following Okada and Kotani [Phys. Rev. B 63, 045103 (2001)], we have performed a study of the O 1s resonant x-ray emission for CuGe1-xSixO3 (x=0, 0.05, and 0.1) single crystals as a function of temperature and polarization. Our experiment shows that the temperature, angle, and polarization dependence of the inelastic scattering emission detected at a 3.6 eV Raman shift in the O 1s resonant x-ray spectra can be unambiguously identified with the Zhang-Rice-singlet excitation. (literal)
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