Effect of B content on nanostructure evolution and twinning deformation of nanocrystallite in nc-Ti(N,B)/a-(TiB2,BN) nanocomposite thin films

Y. H. Lu*, Z. K. Xu, H. D. Chen, Y. G. Shen, K. Y. Li

*Corresponding author for this work

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11 Scopus citations

Abstract

Nanostructure evolution and deformation of nanocrystallites in nanocrystalline (nc-) Ti(N,B)/amorphous (a -) (Ti B2, BN) thin films were investigated by high resolution transmission electron microscopy. The results indicated that the incorporation of B into TiN led to the formation of the nanocomposite that consists of nc-Ti(N,B) grains embedded in an amorphous matrix. Increasing B content accelerated not only the formation of more [200]-oriented grains but also the twining deformation in nanocrystallites. The deformation was enhanced with increasing B content, which was attributed to the decrease of grain size with increasing B content and the formation of nc-Ti(N,B) solid solution by dissolving B into the TiN lattice.

Original languageEnglish
Article number151902
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume87
Issue number15
DOIs
StatePublished - 10 Oct 2005

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