"6"^^ . "10" . "Laguta, Valentyn" . . . . . . "6"^^ . . "Tupitsina, I. A." . . . "RIV/68378271:_____/08:00319865" . "Rosa, Jan" . . . . . "Studium samozachycen\u00FDch d\u011Br v krystalick\u00E9m scintil\u00E1toru CdWO4 metodou elektron-spinov\u00E9 rezonance"@cs . . "P(IAA100100810), Z(AV0Z10100521)" . "Electron spin resonance study of self-trapped holes in CdWO4 scintillator crystals" . "Studium samozachycen\u00FDch d\u011Br v krystalick\u00E9m scintil\u00E1toru CdWO4 metodou elektron-spinov\u00E9 rezonance"@cs . "104" . "Electron spin resonance study of self-trapped holes in CdWO4 scintillator crystals" . "Nagornaya, L. L." . . "Electron spin resonance study of self-trapped holes in CdWO4 scintillator crystals"@en . "The self-trapping of holes at oxygen anions was studied by electron spin resonance in UV irradiated CdWO4 crystals. It was found that the self-trapped hole is either delocalized in the space between two energetically equivalent nearest neighbor oxygen ions or tunnels between them. When the temperature increases above 40-50 K the holes are thermally liberated and can be retrapped by oxygen ions perturbed by impurity ions. In case of the Nb5+ or Li+ stabilizing impurities the O- centers are thermally stable up to 160-170 K. Study of kinetic characteristics of the self-trapped holes suggests that holes leave oxygen ions by thermally assisted tunneling mechanism via two slightly different channels. Corresponding ionization energy is E=90 meV and pre-exponential factors are about 10^5 s-1. Thermal stability and kinetic characteristics of the trapped holes are discussed in light of the scintillation and thermoluminescence characteristics of CdWO4." . "365826" . "Journal of Applied Physics" . . "Electron spin resonance study of self-trapped holes in CdWO4 scintillator crystals"@en . . "Grinyov, B. V." . "The self-trapping of holes at oxygen anions was studied by electron spin resonance in UV irradiated CdWO4 crystals. It was found that the self-trapped hole is either delocalized in the space between two energetically equivalent nearest neighbor oxygen ions or tunnels between them. When the temperature increases above 40-50 K the holes are thermally liberated and can be retrapped by oxygen ions perturbed by impurity ions. In case of the Nb5+ or Li+ stabilizing impurities the O- centers are thermally stable up to 160-170 K. Study of kinetic characteristics of the self-trapped holes suggests that holes leave oxygen ions by thermally assisted tunneling mechanism via two slightly different channels. Corresponding ionization energy is E=90 meV and pre-exponential factors are about 10^5 s-1. Thermal stability and kinetic characteristics of the trapped holes are discussed in light of the scintillation and thermoluminescence characteristics of CdWO4."@en . . "0021-8979" . "RIV/68378271:_____/08:00319865!RIV09-AV0-68378271" . "Pomoc\u00ED elektron-spinov\u00E9 rezonance byly studov\u00E1ny samozachycen\u00E9 d\u00EDry v krystalech CdWO4. Bylo zji\u0161t\u011Bno, \u017Ee tyto d\u00EDry jsou bu\u010F delokalizov\u00E1ny v prostoru mezi dv\u011Bma energeticky ekvivalentn\u00EDmi nejbli\u017E\u0161\u00EDmi kysl\u00EDkov\u00FDmi ionty nebo tuneluj\u00ED mezi nimi. Kdy\u017E teplota vzroste nad 40-50 K, d\u00EDry jsou teplem uvoln\u011Bny a mohou b\u00FDt znovuzachyceny kysl\u00EDkov\u00FDmi ionty s poruchou p\u0159\u00EDm\u011Bsn\u00FDch iont\u016F. V p\u0159\u00EDpad\u011B, kdy O- stabilizuj\u00ED ionty Nb5+ nebo Li+, jsou teplotn\u011B stabiln\u00ED a\u017E do 160-170 K. Studium kinetick\u00FDch charakteristik samozachycen\u00FDch d\u011Br sv\u011Bd\u010D\u00ED o tom, \u017Ee d\u00EDry opou\u0161t\u011Bj\u00ED kysl\u00EDkov\u00E9 ionty tepeln\u011B asistovan\u00FDm tunelovanc\u00EDm mechanizmem dv\u011Bma m\u00EDrn\u011B se odli\u0161uj\u00EDc\u00EDmi kan\u00E1ly. Odpov\u00EDdaj\u00EDc\u00ED ioniza\u010Dn\u00ED energie je E=90 meV a pre-exponenci\u00E1ln\u00ED faktor je asi 10^5 s-1. Ve sv\u011Btle scintila\u010Dn\u00EDch a termoluminiscen\u010Dn\u00EDch charakteristik CdWO4 jsou diskutov\u00E1ny term\u00E1ln\u00ED stabilita a kinetick\u00E9 charakteristiky zachycen\u00FDch d\u011Br."@cs . "000262605800051" . "scintillator; EPR; point defects"@en . "3"^^ . . "[D3B0E2038E5E]" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . . "Nikl, Martin" .