Document Detail

Deep ultraviolet light-emitting hexagonal boron nitride synthesized at atmospheric pressure.
MedLine Citation:
PMID:  17702939     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Materials emitting light in the deep ultraviolet region around 200 nanometers are essential in a wide-range of applications, such as information storage technology, environmental protection, and medical treatment. Hexagonal boron nitride (hBN), which was recently found to be a promising deep ultraviolet light emitter, has traditionally been synthesized under high pressure and at high temperature. We successfully synthesized high-purity hBN crystals at atmospheric pressure by using a nickel-molybdenum solvent. The obtained hBN crystals emitted intense 215-nanometer luminescence at room temperature. This study demonstrates an easier way to grow high-quality hBN crystals, through their liquid-phase deposition on a substrate at atmospheric pressure.
Yoichi Kubota; Kenji Watanabe; Osamu Tsuda; Takashi Taniguchi
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  317     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2007 Aug 
Date Detail:
Created Date:  2007-08-17     Completed Date:  2007-09-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  932-4     Citation Subset:  -    
National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan.
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