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High-quality, faceted cubic boron nitride films grown by chemical vapor deposition

W. J. Zhang, X. Jiang, S. Matsumoto

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Thick cubic boron nitride (cBN) films showing clear crystal facets were achieved by chemical vapor deposition. The films show the highest crystallinity of cBN films ever achieved from gas phase. Clear evidence for the growth via a chemical route is obtained. A growth mechanism is suggested, in which fluorine preferentially etches hBN and stabilizes the cBN surface. Ion bombardment of proper energy activates the cBN surface bonded with fluorine so as to enhance the bonding probability of nitrogen-containing species on the F-stabilized B (111) surface. © 2001 American Institute of Physics.
Original languageEnglish
Pages (from-to)4530-4532
JournalApplied Physics Letters
Volume79
Issue number27
DOIs
Publication statusPublished - 31 Dec 2001
Externally publishedYes

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