| Role of electron traps in the excitation and de-excitation mechanism of Yb3+ in InP (1995) | |||||||||
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| Role electron InP Tsimperidiqa traps the excitation Gregorkiewicz and excitation mechanism and Ammerlaan Van der Waals Zeeman Laboratorium der Universiteit van Amsterdam Valckenierstraat Amsterdam The Netherlands Godlewski Institute Physics Polish Academy Sciences Lotnikbw PLO Warszawa Poland Scholz Physikalisches Institut Universitiit Stuttgart Pfaffenwaldring Stuttgart Germany Lambert CNET LAB OCM route Trigastel Lannion Cedex France Received September accepted for publication November experimental study concerning the excitation mechanism the impurity and type InP crystals was performed the method optically detected microwave induced impact ionization Based the results argued that the core excitation intermediated nonradiative recombination bound exciton fingerprint the existence such excitonic state given Also the nonradiative decay channel discussed and shown involve Auger process with the energy transfer locally bound electron Experimental evidence presented that the impact ionization the bound electron the nonradiative recombination channel may removed leading increase the characteristic luminescence unprecedented microwave induced increase the intrashell emission has been recorded American Institute ofPhysics INTRODUCTION The characteristic feature the electronic structure rare earth elements the presence incompletely tilled shells surrounded closed and shells The electrons are well screened and consequently when placed solids are only slightly affected the crystallin | |||||||||
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