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Bae, Sung Chul
Multiscale Optical Imaging Lab
Research Interests
  • Multiscale optical imaging, laser spectroscopy, laser microscopy, laser sensing, soft matter physics, surface and interfacial science, laser Matter Interaction

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Naturally formed epitaxial diamond crystals in rubies

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Title
Naturally formed epitaxial diamond crystals in rubies
Author
Park, Gyeong-SuBae, Sung ChulGranick, SteveLee, Jang-HoBae, Sang-DukKim, TaekyungZuo, J. M.
Keywords
Diamond; Epitaxy; Raman spectroscopy; Transmission electron microscopy
Issue Date
200702
Publisher
ELSEVIER SCIENCE SA
Citation
DIAMOND AND RELATED MATERIALS, v.16, no.2, pp.397 - 400
Abstract
Materials inspired by nature comprise a running theme of modern science. Among the crystals that can be formed, diamond is perhaps most emblematic. In the conventional thinking, natural diamonds form only under high-pressure and high-temperature conditions. Here we show a new, natural form of diamond crystals of high quality that are epitaxial with their ruby substrate. Diamonds in rubies are rare; heteroepitaxial diamonds are twice as unexpected. Epitaxy suggests that the natural diamonds in the rubies were formed after ruby crystallization in a thermodynamically diamond stable region. This striking natural control over diamond epitaxy suggests a general strategy by which to form naturally-inspired, gem-quality crystals.
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DOI
http://dx.doi.org/10.1016/j.diamond.2006.08.031
ISSN
0925-9635
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