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- Title
Efficiency of a fast-response nanographite-based optoelectric converter in air at high temperatures.
- Authors
Mikheev, G. M.; Zonov, R. G.; Obraztsov, A. N.; Svirko, Yu. P.
- Abstract
The effect of heating and subsequent cooling in air on the efficiency of optoelectric conversion in a nanographite (NG) film irradiated by nanosecond laser pulses of constant power has been studied. It is established that an increase in the temperature of heating in the T = 300–600 K interval leads to an approximately 30% decrease in the amplitude U of the optoelectric response signal. The further increase in the temperature is accompanied by a linear decrease in the U value. The U( T) dependence remains single-valued for NG films heated up to T = 530 K with the subsequent keeping at this temperature for no less that 10 h and cooling. Heating of the NG film above 640 K followed by exposure at this temperature leads to irreversible changes in the optoelectric conversion efficiency.
- Subjects
HEAT; COOLING; LASER beams; RESEARCH; COMPRESSION (Audiology)
- Publication
Technical Physics Letters, 2009, Vol 35, Issue 10, p899
- ISSN
1063-7850
- Publication type
Article
- DOI
10.1134/S1063785009100071