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Pressure effect on electrical properties and photoluminescence spectra of solid C60 and C70 fullerenes
- Buga, Sergei G. (author)
- Blank, Vladimir D. (author)
-
- Sundqvist, Bertil (author)
- Umeå universitet,Institutionen för fysik
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- Dubitsky, Gennadii A. (author)
- Prokhorov, V.M. (author)
- Serebryanaya, Nadejda R. (author)
- Kazarian, S.A. (author)
- Oraevsky, A.N. (author)
- Starodubtsev, N.F. (author)
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- (creator_code:org_t)
- Dordrecht : Springer/Kluwer, 2001
- 2001
- English.
- In: Frontiers of High Pressure Research II: Application of High Pressure to Low-Dimensional Novel Electronic Materials. - Dordrecht : Springer/Kluwer. - 9781402001604 ; , s. 483-491
- Conference paper (peer-reviewed)
Abstract
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- Electrical resistivity of crystalline and disordered fullerite samples obtained by static high-pressure-high-temperature treatment of C-60 and C-70 at P = 12.5 GPa and T = 820-1500 K was investigated in the temperature range of 2.4-300 K, Room-temperature activation energy of charge carriers was found to be in the range 40-200 meV. T-3/2 and T-4 dependencies of conductivity versus temperature were revealed both in crystalline and disordered structures. Photoluminescence spectra of C-60 samples treated at P = 13 GPa. T = 770-1470 K show 50 nm short-wave length shift of characteristic 750 nm PL band.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Fullerenes
- C60
- C70
- disordered
- polymerization
- resistivity
- conductivity
- eletrical transport properties
- high pressure
- high temperature
- photoluminescence spectra
- Condensed matter physics
- Kondenserade materiens fysik
- fysik
- Physics
Publication and Content Type
- ref (subject category)
- kon (subject category)
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