Processing, microstructure and properties of chemical vapor deposited TiN/AlN films

Noboru Yoshikawa; Masato Aoki; Atsushi Kikuchi; Shoji Taniguchi

doi:10.1504/ijmpt.2001.005402

Processing, microstructure and properties of chemical vapor deposited TiN/AlN films

Noboru Yoshikawa, Masato Aoki, Atsushi Kikuchi, Shoji Taniguchi

ENG - Metallurgy

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

TiN/AlN films were deposited by means of thermal Chemical Vapor Deposition(CVD). Composition of the films was able to be estimated from the ratios of the growth rates of single nitride phases, under the mass transfer rate limiting deposition conditions. The as-deposited films at 973K consisted of TiN and AlN phases, corresponding to different grains, which had scales of several tens of nanometers. Their grain growth rate was much lower than that of the single TiN films. Ternary nitride phase was formed by the post-annealing at 1273K. The film had highest hardness at the atomic ration of about Ti/Al=2, and the hardness was not altered very much after the post-annealing. When the composite films were oxidized in air, aluminum oxide layer was formed preferentially on the film surface.

Original language	English
Pages (from-to)	109-116
Number of pages	8
Journal	International Journal of Materials and Product Technology
Volume	16
Issue number	1-3
DOIs	https://doi.org/10.1504/ijmpt.2001.005402
Publication status	Published - 2001

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality
Mechanics of Materials
Mechanical Engineering
Industrial and Manufacturing Engineering

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10.1504/ijmpt.2001.005402

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abstract = "TiN/AlN films were deposited by means of thermal Chemical Vapor Deposition(CVD). Composition of the films was able to be estimated from the ratios of the growth rates of single nitride phases, under the mass transfer rate limiting deposition conditions. The as-deposited films at 973K consisted of TiN and AlN phases, corresponding to different grains, which had scales of several tens of nanometers. Their grain growth rate was much lower than that of the single TiN films. Ternary nitride phase was formed by the post-annealing at 1273K. The film had highest hardness at the atomic ration of about Ti/Al=2, and the hardness was not altered very much after the post-annealing. When the composite films were oxidized in air, aluminum oxide layer was formed preferentially on the film surface.",

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T1 - Processing, microstructure and properties of chemical vapor deposited TiN/AlN films

AU - Yoshikawa, Noboru

AU - Aoki, Masato

AU - Kikuchi, Atsushi

AU - Taniguchi, Shoji

PY - 2001

Y1 - 2001

N2 - TiN/AlN films were deposited by means of thermal Chemical Vapor Deposition(CVD). Composition of the films was able to be estimated from the ratios of the growth rates of single nitride phases, under the mass transfer rate limiting deposition conditions. The as-deposited films at 973K consisted of TiN and AlN phases, corresponding to different grains, which had scales of several tens of nanometers. Their grain growth rate was much lower than that of the single TiN films. Ternary nitride phase was formed by the post-annealing at 1273K. The film had highest hardness at the atomic ration of about Ti/Al=2, and the hardness was not altered very much after the post-annealing. When the composite films were oxidized in air, aluminum oxide layer was formed preferentially on the film surface.

AB - TiN/AlN films were deposited by means of thermal Chemical Vapor Deposition(CVD). Composition of the films was able to be estimated from the ratios of the growth rates of single nitride phases, under the mass transfer rate limiting deposition conditions. The as-deposited films at 973K consisted of TiN and AlN phases, corresponding to different grains, which had scales of several tens of nanometers. Their grain growth rate was much lower than that of the single TiN films. Ternary nitride phase was formed by the post-annealing at 1273K. The film had highest hardness at the atomic ration of about Ti/Al=2, and the hardness was not altered very much after the post-annealing. When the composite films were oxidized in air, aluminum oxide layer was formed preferentially on the film surface.

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Processing, microstructure and properties of chemical vapor deposited TiN/AlN films

Abstract

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