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|Title:||Hydrogen bonding at grain surfaces and boundaries of nanodiamond films detected by high resolution electron energy loss spectroscopy||Authors:||Michaelson, Sh.
Gruen, D. M.
|Issue Date:||2007||Publisher:||AMER INST PHYSICS||Source:||APPLIED PHYSICS LETTERS, 91(10). p. 103104-...||Abstract:||Hydrogenated nanodiamond films consisting of 300 and 10-30 nm grain sizes were examined by high resolution electron energy loss spectroscopy. C-H stretching modes were identified at 350, 360, and 375 meV. The mode at 375 meV was enhanced in the case of 10-30 nm grain size and it is stable up to in situ annealing to >>800 degrees C. Complete hydrogen desorption occurs upon annealing to 1000 degrees C. Exposure of the nanodiamond film to atomic hydrogen results in a strong quenching of the 375 meV C-H mode, most likely due to preferential etching of (sp(2))-carbon-hydrogen at the surface and grain boundaries of the films.||Notes:||Technion Israel Inst Technol, Schulich Fac Chem, IL-32000 Haifa, Israel. Hasselt Univ, Inst Mat Res, B-3590 Diepenbeek, Belgium. IMEC, Div IMOMEC, B-3590 Diepenbeek, Belgium. Argonne Natl Lab, Div Mat Sci, Argonne, IL 60439 USA.Hoffman, A, Technion Israel Inst Technol, Schulich Fac Chem, IL-32000 Haifa, Israel.firstname.lastname@example.org||Document URI:||http://hdl.handle.net/1942/4167||ISSN:||0003-6951||e-ISSN:||1077-3118||DOI:||10.1063/1.2779848||ISI #:||000249322900057||Category:||A1||Type:||Journal Contribution||Validations:||ecoom 2008|
|Appears in Collections:||Research publications|
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