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- Zatsepin, D.A., et al.
(author)
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Valence states of copper ions and electronic structure of LiCu2O2
- 1998
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In: Phys Rev B. ; 57:8, s. 4377-4381
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Journal article (peer-reviewed)abstract
- The electronic structure of LiCu2O2 was studied using x-ray emission and photoelectron spectroscopy (valence band and core levels) as well as band-structure calculations in terms of LSDA and LSDA+U approaches. According to the x-ray emission and photoelectron spectra the valence states of the Cu atoms are found to be mixed, i.e. 2+ and 1+.
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- Bäckman, Lars, et al.
(author)
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The definition of very old age: A reply to French
- 1999
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In: American Journal of Psychiatry. ; 156, s. 1291-1292
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Journal article (peer-reviewed)abstract
- French (1999) recently commented on the use of the term “very old age” in a previous study by us (Berger, Small, Forsell, Winblad, & Bäckman, 1998). In his comment, French argued that using the label “very old age” in characterizing our study sample was a
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