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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|
|Citation: ||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.email@example.com|
|ISI #: ||000249322900057|
|Type: ||Journal Contribution|
|Validation: ||ecoom, 2008|
|Appears in Collections: ||Research publications|
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