Observation of new defect levels in nanodiamond membranes | Zendy

Kravets R. | Zendy; Johnston K. | Zendy; Potmesil J. | Zendy; Vorlicek V. | Zendy; Rosa J. | Zendy; Vaněček M. | Zendy

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Observation of new defect levels in nanodiamond membranes

Author(s) -

Kravets R.,

Johnston K.,

Potmesil J.,

Vorlicek V.,

Rosa J.,

Vaněček M.

Publication year - 2005

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200561918

Subject(s) - nanodiamond , photocurrent , diamond , membrane , impurity , desorption , materials science , nanocrystalline material , spectroscopy , analytical chemistry (journal) , fourier transform infrared spectroscopy , absorption (acoustics) , optoelectronics , chemistry , nanotechnology , optics , physics , composite material , adsorption , chromatography , biochemistry , organic chemistry , quantum mechanics

This paper reports on a new set of defect features in thin membrane nanodiamond. The samples were stud‐ied using Fourier transform photocurrent spectroscopy. We have observed four dominant new peaks in nanocrystalline diamond: two sharp peaks at 0.36 and 0.40 eV and broad bands at 0.27 and 0.57 eV. The first of these peaks is suggested to originate from a currently unknown bulk impurity; the other three are surface‐related and are especially prone to surface effects such as absorption/desorption over time. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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