4.3 Article

Morphological, Mechanical Property Analysis and Comparative Study over Structural Properties of CVD TiN Film Grown under Different Substrate Temperature in Nitrogen Gas Atmosphere

期刊

SILICON
卷 14, 期 1, 页码 183-199

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SPRINGER
DOI: 10.1007/s12633-020-00807-5

关键词

CVD; TiN; SEM; AFM; XRD; Nanoindentation

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Titanium Nitride (TiN) thin films were deposited on Si (100) substrate by thermal chemical vapor deposition process (CVD) at different substrate temperatures. The morphological, mechanical, and structural properties of the TiN films were characterized using SEM, AFM, Nanoindentation, and XRD techniques. The results showed that higher deposition temperature led to the presence of agglomerated particles on the surface and increased surface roughness. Electrochemical analysis indicated a decrease in corrosion resistance with increasing process temperature. Nanoindentation analysis confirmed that TiN coating synthesized at 1150 degrees C exhibited the highest fracture toughness, hardness, and Young's modulus. Different models were used for the comparative analysis of the structural properties of TiN coatings. Origin 9.0 software was used for data analysis.
Titanium Nitride (TiN) thin films were deposited by thermal chemical vapor deposition process (CVD) over Si (100) substrate under different substrate temperatures. Morphological, mechanical, and structural properties were characterized by different techniques e.g. SEM, AFM, Nanoindentation and XRD. SEM images reveal the presence of agglomerated particles over the surface and AFM images reveal the enhancement of surface roughness with higher deposition temperature. The analysis of electrochemical polarization and electrochemical properties of TiN coatings reveals decrease in corrosion resistance with increase in process temperature. The nanoindentation analysis has confirmed that TiN coating possess maximum fracture toughness (K-C), hardness (H), and Young's modulus (E-f) when synthesized at the temperature of 1150 degrees C. For comparative study, an analysis over structural properties using different models e.g. UDM, UDEM, SSP etc. have been used in this study. The data analysis of TiN coatings are carried out by using Origin 9.0 software.

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