Cr and Mo carbides

Zhukov et al (1989) calculated the band structure, lattice constants, bulk modulus, cohesive energy and the hydrostatic breakdown tension for the hypothetical CrC monocarbide and eompared them with the values for TIC, VC, TiN and VN. In the series TiC - VC - CrC (,ohl decreases, but B and P increase as in the series ZrC - NbC WC, see Section 2.1. A qualitative explanation of such a behaviour based on the canonical band theory of Andersen (1975) was given in the review by Zhukov et al (1989). It was shown that Cr carbide with NaCl-type structure probably contains a considerable number of carbon vacancies - see Chapter 4. Later 

Guillermet and Grimvall (1990) came to a similar conclusion from analysis of the thermodynamic parameters of metastable carbides. 

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The purpose of this chapter is to present systematic experimental procedures to deposit thin films of carbides and nitrides. Strong relationships between synthesis methods and conditions, and product structures, crystallinity, purity and phase were observed. Thin films of W, Cr, and Mo carbides and nitrides were synthesized in two different ways (1) chemical... 

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