Growth of diamond film by a plug-flow flat flame method

Franklin Chau Nan Hong; Hon Ming Chang; Jing Chuang Hsieh; Jen Haw Hwang; Jih Jen Wu

doi:10.1016/0040-6090(92)90509-A

Growth of diamond film by a plug-flow flat flame method

Franklin Chau Nan Hong, Hon Ming Chang, Jing Chuang Hsieh, Jen Haw Hwang, Jih Jen Wu

Department of Chemical Engineering

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

6 Citations (Scopus)

Abstract

The conventional acetylene-oxygen mixture torch flame can grow diamond film at fast rates, but it suffers from problems such as small area coverage, non-uniform growth, and poor reproducibility due to the large concentration and temperature gradients. Considering the effects of momentum, heat and mass transfer in the flame, we proposed to study diamond growth by the plug-flow flat flame method. Our results indicated that, owing to the large burning velocity of the acetylene-oxygen mixture, dilution was required for resonable gas consumption. The growth of uniform diamond films by a flat flame method was successful. Dilution, however, reduced the growth rate of diamond significantly and the crystal qualities deteriorated. The effects of dilution gases were studied by comparing nitrogen and argon. Argon was more favorable for diamond growth than nitrogen. The possible reasons will be discussed.

Original language	English
Pages (from-to)	127-132
Number of pages	6
Journal	Thin Solid Films
Volume	212
Issue number	1-2
DOIs	https://doi.org/10.1016/0040-6090(92)90509-A
Publication status	Published - 1992 May 15

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/0040-6090(92)90509-A

Cite this

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title = "Growth of diamond film by a plug-flow flat flame method",

abstract = "The conventional acetylene-oxygen mixture torch flame can grow diamond film at fast rates, but it suffers from problems such as small area coverage, non-uniform growth, and poor reproducibility due to the large concentration and temperature gradients. Considering the effects of momentum, heat and mass transfer in the flame, we proposed to study diamond growth by the plug-flow flat flame method. Our results indicated that, owing to the large burning velocity of the acetylene-oxygen mixture, dilution was required for resonable gas consumption. The growth of uniform diamond films by a flat flame method was successful. Dilution, however, reduced the growth rate of diamond significantly and the crystal qualities deteriorated. The effects of dilution gases were studied by comparing nitrogen and argon. Argon was more favorable for diamond growth than nitrogen. The possible reasons will be discussed.",

author = "Hong, {Franklin Chau Nan} and Chang, {Hon Ming} and Hsieh, {Jing Chuang} and Hwang, {Jen Haw} and Wu, {Jih Jen}",

note = "Funding Information: This work has been supported by National Science Council, Taiwan, ROC under the project NSC",

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T1 - Growth of diamond film by a plug-flow flat flame method

AU - Hong, Franklin Chau Nan

AU - Chang, Hon Ming

AU - Hsieh, Jing Chuang

AU - Hwang, Jen Haw

AU - Wu, Jih Jen

N1 - Funding Information: This work has been supported by National Science Council, Taiwan, ROC under the project NSC

PY - 1992/5/15

Y1 - 1992/5/15

N2 - The conventional acetylene-oxygen mixture torch flame can grow diamond film at fast rates, but it suffers from problems such as small area coverage, non-uniform growth, and poor reproducibility due to the large concentration and temperature gradients. Considering the effects of momentum, heat and mass transfer in the flame, we proposed to study diamond growth by the plug-flow flat flame method. Our results indicated that, owing to the large burning velocity of the acetylene-oxygen mixture, dilution was required for resonable gas consumption. The growth of uniform diamond films by a flat flame method was successful. Dilution, however, reduced the growth rate of diamond significantly and the crystal qualities deteriorated. The effects of dilution gases were studied by comparing nitrogen and argon. Argon was more favorable for diamond growth than nitrogen. The possible reasons will be discussed.

AB - The conventional acetylene-oxygen mixture torch flame can grow diamond film at fast rates, but it suffers from problems such as small area coverage, non-uniform growth, and poor reproducibility due to the large concentration and temperature gradients. Considering the effects of momentum, heat and mass transfer in the flame, we proposed to study diamond growth by the plug-flow flat flame method. Our results indicated that, owing to the large burning velocity of the acetylene-oxygen mixture, dilution was required for resonable gas consumption. The growth of uniform diamond films by a flat flame method was successful. Dilution, however, reduced the growth rate of diamond significantly and the crystal qualities deteriorated. The effects of dilution gases were studied by comparing nitrogen and argon. Argon was more favorable for diamond growth than nitrogen. The possible reasons will be discussed.

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Growth of diamond film by a plug-flow flat flame method

Abstract

All Science Journal Classification (ASJC) codes

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