Fig. 6 | Scientific Reports

Fig. 6

From: Thermophotoinduced electron emission from conductive composite based on polytetrafluoroethylene with carbon nanotubes

Fig. 6

Dependence of the work function changes Δφ after heating the sample at 130 °C (t = 4.5 h, electron exposure time 3 min for each energy value E) (a); work function change Δφ during multiple sequential cyclic sample exposures in the beam of electrons with energies of 60 eV (1) and 120 eV (2) (duration of each cycle is 60 s (I) and 30 s (II)) (b); dependence of Δφ(t) for E = 60 eV (1) and E = 120 eV (2) after heating the sample at 130 °C (t = 9 h) (c).

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