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Effect of ion irradiation on structure and thermal evolution of the Ni-C-60 hybrid systems
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SYSNO ASEP 0346857 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of ion irradiation on structure and thermal evolution of the Ni-C-60 hybrid systems Author(s) Vacík, Jiří (UJF-V) RID, ORCID, SAI
Lavrentiev, Vasyl (UJF-V) RID, ORCID, SAI
Vorlíček, Vladimír (FZU-D) RID
Bačáková, Lucie (FGU-C) RID, ORCID
Narumi, K. (JP)Source Title Nuclear Instruments & Methods in Physics Research Section B. - : Elsevier - ISSN 0168-583X
Roč. 268, 11-12 (2010), s. 1976-1979Number of pages 4 s. Action 19th International conference on Ion beam analysis Event date 07.09.2009-11.09.2009 VEvent location Cambridge Country GB - United Kingdom Event type WRD Language eng - English Country NL - Netherlands Keywords Ion irradiation ; Fullerenes ; Nickel Subject RIV JI - Composite Materials R&D Projects IAA200480702 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) IAA400100701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) KAN400480701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) LC06041 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z10480505 - UJF-V (2005-2011) AV0Z10100520 - FZU-D (2005-2011) AV0Z50110509 - FGU-C (2005-2011) UT WOS 000278702300062 DOI 10.1016/j.nimb.2010.02.112 Annotation We report on the thermal response of the transition metal/fullerene thin hybrid multilayers, pristine and ion-modified, i.e., Ni/C-60/Ni and Ni/a-C/Ni (a-C amorphous carbon), both prepared on the MgO(1 0 0) monocrystalline substrate. The multilayer sequences were gradually annealed up to high temperatures and their structures were inspected using several analytical techniques. The inspection evidenced differences in the evolution of the virgin and ion-irradiated systems. In pristine (non-irradiated) composites (analyzed in the previous experiment) a significant part of the fullerene molecules out-diffused during annealing < 500 degrees C. At temperatures around (and above) 500 degrees C fullerenes underwent (in the vicinity of Ni) massive fragmentation and conversion to a-C. Very high temperature (1000 degrees C) annealing resulted in the fabrication of an array of micrometer-sized octagonal pits and rod-type particles emerging from the encompassing a-C + Ni mixture. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2011
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