A study on the thermoelectric properties of chemical vapor deposited SiC films with temperature and diluent gases variation

Jun Gyu Kim, Yoo Youl Choi, Doo Jin Choi, Jung I.I. Kim, Bae Seok Kim, Soon Mok Choi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Chemical vapor deposited (CVD) silicon carbide (SiC) provides many advantages over other materials due to its high thermal, chemical and mechanical stability at high temperature. For these reasons, CVD SiC has replaced Si in components for semiconductor process. For application of CVD SiC to semiconductor fabrication equipment, thermoelectric properties controls are important. Therefore, we have studied the effects of different diluent gases, deposition temperatures and microstructures of deposited SiC on change of thermoelectric properties. The electrical conductivity of SiC which used N 2 diluent gas was larger than SiC deposited with H 2 diluent gas. Electrical resistivity varied by an order of 10 2 for different diluent gases at the same deposition temperature, and Seebeck coefficient also depended on the gas used. Additionally, SiC deposited with H2 showed n-type semiconductor behavior while that deposited with N 2 showed p-type characteristics.

Original languageEnglish
Pages (from-to)574-577
Number of pages4
JournalJournal of the Ceramic Society of Japan
Volume117
Issue number1365
DOIs
Publication statusPublished - 2009 Jan 1

Fingerprint

diluents
Silicon carbide
silicon carbides
Gases
Vapors
vapors
gases
Temperature
Semiconductor materials
temperature
Thermoelectric equipment
electrical resistivity
n-type semiconductors
Seebeck coefficient
Mechanical stability
Chemical stability
Seebeck effect
silicon carbide
Thermodynamic stability
thermal stability

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

Kim, Jun Gyu ; Choi, Yoo Youl ; Choi, Doo Jin ; Kim, Jung I.I. ; Kim, Bae Seok ; Choi, Soon Mok. / A study on the thermoelectric properties of chemical vapor deposited SiC films with temperature and diluent gases variation. In: Journal of the Ceramic Society of Japan. 2009 ; Vol. 117, No. 1365. pp. 574-577.
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A study on the thermoelectric properties of chemical vapor deposited SiC films with temperature and diluent gases variation. / Kim, Jun Gyu; Choi, Yoo Youl; Choi, Doo Jin; Kim, Jung I.I.; Kim, Bae Seok; Choi, Soon Mok.

In: Journal of the Ceramic Society of Japan, Vol. 117, No. 1365, 01.01.2009, p. 574-577.

Research output: Contribution to journalArticle

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AU - Choi, Yoo Youl

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