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Raman and HRTEM Monitoring of Thermal Modification of HipCO Nanotubes Full article

Общее Language: Английский, Genre: Full article,
Status: Published, Source type: Original
Conference Molecular Nanostructures : XVII International Winterschool Euroconference on Electronic Properties of Novel Materials
08-15 Mar 2003 , Kirchberg
Source Molecular nanostructures: XVII International Winterschool Euroconference on Electronic Properties of Novel Materials
Compilation, 2003. ISBN 0-7354-0154-3.
Journal AIP Conference Proceedings
ISSN: 0094-243X , E-ISSN: 1551-7616
Output data Year: 2003, Volume: 685, Pages: 215-218 Pages count : 4 DOI: 10.1063/1.1628021
Authors Obraztsova E.D. 1 , Bokova S.N. 1 , Kuznetsov V.L. 2 , Usoltseva A.N. 2 , Zaikovskii V.I. 2 , Dettlaff‐Weglikowska U. 3 , Roth S. 3 , Kuzmany H. 4
Affiliations
1 Natural Sciences Center of General Physics Institute, RAS, 38 Vavilov street, 119991, Moscow, Russia
2 Boreskov Institute of Catalysis, RAS, 5 Lavrentieva street, 630090, Novosibirsk, Russia
3 Max-Plank-Inst. fur Festkorperforscung, Heisenbergstr. 1 D-70569, Stuttgart, Germany
4 Universitat Wien, Inst. fur Materialphysik, Strudlhofgasse 4, A-1090, Wien, Austria

Abstract: A diameter‐dependent oxidative etching of the smallest HipCO nanotubes (diameters 8–10 Å) has been observed by in situ Raman measurements both in a laser beam with a variable power density and in an optical oven with a variable temperature. The effect manifested itself as an irreversible disappearance of the Raman breathing modes with frequencies > 220 cm−1. The small tube degradation (up to their complete disappearance) took place at temperatures 150–400°C. Statistical averaging of HRTEM images of HipCO nanotubes, taken after successive temperature steps, has confirmed an obvious shift of the tube diameter distribution maximum toward higher values.
Cite: Obraztsova E.D. , Bokova S.N. , Kuznetsov V.L. , Usoltseva A.N. , Zaikovskii V.I. , Dettlaff‐Weglikowska U. , Roth S. , Kuzmany H.
Raman and HRTEM Monitoring of Thermal Modification of HipCO Nanotubes
In compilation Molecular nanostructures: XVII International Winterschool Euroconference on Electronic Properties of Novel Materials. 2003. – C.215-218. – ISBN 0-7354-0154-3. DOI: 10.1063/1.1628021 publication_identifier_short.wos_identifier_type publication_identifier_short.rinz_identifier_type
Identifiers:
publication_identifier.wos_identifier_type WOS:000186817700048
publication_identifier.rinz_identifier_type 30680639
publication_identifier.accession_number_identifier_type 2003:947254
publication_identifier.chemical_accession_number_identifier_type 140:277817
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