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- Berger, M, et al.
(författare)
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The multilayer effect in abrasion : optimising the combination of hard and tough phases
- 1999
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Ingår i: Surface & Coatings Technology. - : ELSEVIER SCIENCE SA. - 0257-8972 .- 1879-3347. ; 116-119, s. 1138-1144
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In the present investigation it is shown that the wear resistance of multilayer PVD coatings, combining relatively soft but tough chromium (Cr) and harder but more brittle chromium nitride (CrN): exceeds that of both its phases. This striking exception to
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- Noren, L, et al.
(författare)
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A reinterpretation of the NH4Cu7S4 structure
- 1998
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Ingår i: J Alloys Comp. ; 281:2, s. 186-195
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Tidskriftsartikel (refereegranskat)abstract
- The structure of NH4Cu7-xS4 has been investigated using X-ray single crystal diffraction at varying temperatures. The room temperature structure is best described as a tetragonal crystalline framework with channels incorporating some of the copper atoms in a disordered, almost amorpjous, manner.
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- Zatsepin, D.A., et al.
(författare)
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Valence states of copper ions and electronic structure of LiCu2O2
- 1998
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Ingår i: Phys Rev B. ; 57:8, s. 4377-4381
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Tidskriftsartikel (refereegranskat)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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