URN:NBN:SI:doc-4XC7RTJP2020Koren, Monikadocuments/doc/4/URN_NBN_SI_doc-4XC7RTJP_001.pdfdocuments/doc/4/URN_NBN_SI_doc-4XC7RTJP_001.txt110 str.7article236549152385-8567URN:NBN:SI:doc-4XC7RTJPengZaložba Fakultete za matematiko in fiziko Univerze v LjubljaniMatrikaInCcross-relaxationdopingdopiranjeelectronic excitationelektronska vzbuditevfizika trdne snovikrižna relaksacijalantanidilanthanidessolid state physicsCross-relaxation of electronic excitation in lanthanide-doped crystals and glasses