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Electronic State of Nanodiamond/Graphite Interfaces Full article

Общее Language: Английский, Genre: Full article,
Status: Published, Source type: Original
Journal Applied Physics A: Materials Science and Processing
ISSN: 0947-8396 , E-ISSN: 1432-0630
Output data Year: 2005, Volume: 81, Number: 2, Pages: 393-398 Pages count : 6 DOI: 10.1007/s00339-004-2565-6
Authors Okotrub A.V. 1 , Bulusheva L.G. 1 , Kuznetsov V.L. 2 , Guselʹnikov A.V. 1 , Chuvilin A.L. 2
Affiliations
1 Nikolaev Institute of Inorganic Chemistry SB RAS
2 Boreskov Institute of Catalysis SB RAS

Funding (2)

1 International Association for the Promotion of Co-operation with Scientists from the New Independent States of the Former Soviet Union 01-254
2 Russian Foundation for Basic Research 03-03-32336

Abstract: The electronic state of nanodiamond/graphite interfaces in samples prepared by annealing of nanodiamonds (ND) at 1150–1600 K has been probed using X-ray fluorescence spectroscopy and field-emission measurements. Comparison between [C]Kα spectra of ND before and after annealing revealed an enhancement of density of high-energy occupied states in the products. A quantum-chemical calculation using a carbon model showed that the observed states could originate from the electrons of dangling bonds produced by peeling of a graphitic shell from the (111) surface of a diamond particle. The developed graphitic layers screen the weakly bonding electrons, which results in a lowering of the efficiency of field-electron emission from the samples with an increase of annealing temperature.
Cite: Okotrub A.V. , Bulusheva L.G. , Kuznetsov V.L. , Guselʹnikov A.V. , Chuvilin A.L.
Electronic State of Nanodiamond/Graphite Interfaces
Applied Physics A: Materials Science and Processing. 2005. V.81. N2. P.393-398. DOI: 10.1007/s00339-004-2565-6 publication_identifier_short.wos_identifier_type publication_identifier_short.scopus_identifier_type publication_identifier_short.rinz_identifier_type
Dates:
Submitted: Nov 14, 2003
Accepted: Jan 8, 2004
Published print: Jul 1, 2005
Published online: Jul 1, 2005
Identifiers:
publication_identifier.wos_identifier_type WOS:000229239800026
publication_identifier.scopus_identifier_type 2-s2.0-18844395602
publication_identifier.rinz_identifier_type 13477964
publication_identifier.accession_number_identifier_type 2005:427387
publication_identifier.chemical_accession_number_identifier_type 144:98762
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