E. M. Zobov, M. E. Zobov, M. A. Rizakhanov, “Thermal ionization of an electron trap in Zn$_{0.97}$Cd$_{0.03}$S $\langle$Cu, Cl$\rangle$ luminophore facilitated by electromodulation of the effective capture cross section”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2012, Volume 38, Issue 10,Pages 86

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Thermal ionization of an electron trap in Zn$_{0.97}$Cd$_{0.03}$S $\langle$Cu, Cl$\rangle$ luminophore facilitated by electromodulation of the effective capture cross section

E. M. Zobov, M. E. Zobov, M. A. Rizakhanov

Daghestan Institute of Physics after Amirkhanov

Abstract: A fundamentally new mechanism of electric-field-stimulated luminescence (the Gudden-Pohl effect) has been established in a metal-dielectric-luminophore-metal (MDLM) structure with Zn$_{0.97}$Cd$_{0.03}$S $\langle$Cu, Cl$\rangle$ powder luminophore. The luminescence observed during sequential excitation of the MDLM structure by light and electric field appears to be related to thermal ionization facilitated by electro-modulation of the effective electron capture cross section of a trap with an energy level of $E_c$–0.18 eV.

Received: 10.01.2012