Top-seeded solution growth of three-inch-diameter 4H-SiC using convection control technique

Kazuhiko Kusunoki, Nobuhiro Okada, Kazuhito Kamei, Koji Moriguchi, Hironori Daikoku, Motohisa Kado, Hidemitsu Sakamoto, Takeshi Bessho, Toru Ujihara

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The top-seeded solution growth of 4H-SiC at three inches in diameter has been investigated using Si-Ti alloy as a solvent. A perforated graphite disk called "immersion guide" (IG) was positioned in the solution in order to control solution flow. The morphological instability was improved and growth rate was significantly increased using the IG compared with conventional growth without the IG. Numerical fluid flow analysis with coupled heat and mass transportation was performed as well to understand convection and growth behavior. The origins of these improvements in the growth performance are discussed based on the numerical results. By controlling solution flow, we could successfully grow a three-inch-diameter 4H-SiC with 4-mm thickness.

Original languageEnglish
Pages (from-to)68-73
Number of pages6
JournalJournal of Crystal Growth
Volume395
DOIs
Publication statusPublished - 2014 Jun 1
Externally publishedYes

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convection
submerging
Mass transportation
Graphite
Flow of fluids
fluid flow
graphite
Convection
heat

Keywords

  • A1. Computer simulation
  • A1. Fluid flows
  • A1. Morphological stability
  • A2. Growth from high temperature solutions
  • A2. Top-seeded solution growth
  • B2. Semiconducting silicon compounds

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Chemistry
  • Inorganic Chemistry

Cite this

Kusunoki, K., Okada, N., Kamei, K., Moriguchi, K., Daikoku, H., Kado, M., ... Ujihara, T. (2014). Top-seeded solution growth of three-inch-diameter 4H-SiC using convection control technique. Journal of Crystal Growth, 395, 68-73. https://doi.org/10.1016/j.jcrysgro.2014.03.006

Top-seeded solution growth of three-inch-diameter 4H-SiC using convection control technique. / Kusunoki, Kazuhiko; Okada, Nobuhiro; Kamei, Kazuhito; Moriguchi, Koji; Daikoku, Hironori; Kado, Motohisa; Sakamoto, Hidemitsu; Bessho, Takeshi; Ujihara, Toru.

In: Journal of Crystal Growth, Vol. 395, 01.06.2014, p. 68-73.

Research output: Contribution to journalArticle

Kusunoki, K, Okada, N, Kamei, K, Moriguchi, K, Daikoku, H, Kado, M, Sakamoto, H, Bessho, T & Ujihara, T 2014, 'Top-seeded solution growth of three-inch-diameter 4H-SiC using convection control technique', Journal of Crystal Growth, vol. 395, pp. 68-73. https://doi.org/10.1016/j.jcrysgro.2014.03.006
Kusunoki, Kazuhiko ; Okada, Nobuhiro ; Kamei, Kazuhito ; Moriguchi, Koji ; Daikoku, Hironori ; Kado, Motohisa ; Sakamoto, Hidemitsu ; Bessho, Takeshi ; Ujihara, Toru. / Top-seeded solution growth of three-inch-diameter 4H-SiC using convection control technique. In: Journal of Crystal Growth. 2014 ; Vol. 395. pp. 68-73.
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