Quenching of N3 + ion luminescence by iron impurity ions in Y3Al5O12 crystals Korzhik, M. V. ; Livshits, M. G. ; Meilman, M. L. ; Minkov, B. I. ; Pavlenko, V. B. Abstract Publication: Optics and Spectroscopy Pub Date: April 1991 Bibcode: 1991OptSp..70..471K