NDLI: Effect of Nb concentration on the structure, mechanical, optical, and electrical properties of nano-crystalline Ti$_{1−x }$Nb$

Content Provider	Springer Nature Link
Author	Vasu, K. Krishna, M. Ghanashyam Padmanabhan, K. A.
Copyright Year	2011
Abstract	The structure, mechanical, optical, and electrical properties of Ti$_{1−x }$Nb$_{ x }$N thin films, 0 ≤ x ≤ 1, are reported. The films were deposited onto polycrystalline nuclear grade 316LN stainless steel substrate by radio frequency reactive magnetron sputtering in 100% N$_{2}$ plasma. X-ray diffraction results revealed that Nb is soluble in TiN up to x = 0.77. From x = 0.26 to x = 0.77, these films stabilized in rock salt structure with (111) orientation. The hardness and Young’s modulus increased, whereas electrical resistivity decreased with an increase in the Nb concentration in the films. The highest value of hardness and Young’s modulus were 31 and 320 GPa, respectively, for x = 0.77, at which the value of the lowest resistivity of 56 μΩ-cm was measured. The films showed a broad reflectance band, with a minimum in reflectance that shifted to shorter wavelengths as a function of increasing x. The reflectance band extended from the ultraviolet (~250 nm) to the visible region (~750 nm) and the position of the reflectance shifted from 2.33 to 3 eV with an increase in x from 0 to 0.77.
Starting Page	3522
Ending Page	3528
Page Count	7
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	47
Issue Number	8
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2011-12-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Materials Science Continuum Mechanics and Mechanics of Materials Characterization and Evaluation of Materials Mechanics Crystallography
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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