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Boron nitride: A new photonic material
Linköping University, Department of Physics, Chemistry and Biology. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Chemistry. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7171-5383
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Functional Electronic Materials. Linköping University, The Institute of Technology.
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2014 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, E-ISSN 1873-2135, Vol. 439, 29-34 p.Article in journal (Refereed) Published
Abstract [en]

Rhombohedral boron nitride (r-BN) layers were grown on sapphire substrate in a hot-wall chemical vapor deposition reactor. Characterization of these layers is reported in details. X-ray diffraction (XRD) is used as a routine characterization tool to investigate the crystalline quality of the films and the identification of the phases is revealed using detailed pole figure measurements. Transmission electron microscopy reveals stacking of more than 40 atomic layers. Results from Fourier Transform InfraRed (FTIR) spectroscopy measurements are compared with XRD data showing that FTIR is not phase sensitive when various phases of sp(2)-BN are investigated. XRD measurements show a significant improvement of the crystalline quality when adding silicon to the gas mixture during the growth; this is further confirmed by cathodoluminescence which shows a decrease of the defects related luminescence intensity.

Place, publisher, year, edition, pages
Elsevier , 2014. Vol. 439, 29-34 p.
Keyword [en]
Boron nitride; Epitaxy; XRD; TEM; FTIR; Cathodoluminescence
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-105563DOI: 10.1016/j.physb.2013.10.068ISI: 000331620700007OAI: oai:DiVA.org:liu-105563DiVA: diva2:708875
Available from: 2014-03-31 Created: 2014-03-27 Last updated: 2017-12-05

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Pedersen, HenrikHögberg, HansFilippov, StanislavHenry, Anne
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