Paper Title:
Nano-Structured TiN/TiBN Multilayer Thin Films
  Abstract

Nano-structured TiN/TiBN multilayer thin films were deposited onto unheated Si(100) substrates by reactive unbalanced dc-magnetron sputtering in an Ar-N2 gas mixture at a pulsed-bias voltage of –60 V. The effects of the bilayer thickness (Λ = 1.8-7.7 nm) on microstructures and mechanical properties have been analyzed using X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), and microindentation measurements. Microstructure studies revealed that the TiN layers were fcc B1-NaCl structure comprising of (111)- and (200)-oriented grains depending on Λ, while the TiBN layers were amorphous. Significant relationships were found between hardness (H) and Λ. A maximum hardness of ~30 GPa was observed in a multilayer film with  = 1.8 nm. The possible hardness enhancement mechanism was also discussed.

  Info
Periodical
Key Engineering Materials (Volumes 334-335)
Edited by
J.K. Kim, D.Z. Wo, L.M. Zhou, H.T. Huang, K.T. Lau and M. Wang
Pages
889-892
DOI
10.4028/www.scientific.net/KEM.334-335.889
Citation
K. Chu, Y. G. Shen, "Nano-Structured TiN/TiBN Multilayer Thin Films", Key Engineering Materials, Vols. 334-335, pp. 889-892, 2007
Online since
March 2007
Authors
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Price
$32.00
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