The effect of the crucible radius on the perfection of Czochralski-grown bismuth germanate crystals Burachas, S. F. ; Timan, B. L. ; Kolotii, O. D. ; Bondarenko, S. K. ; Bondar', V. G. ; Krivoshein, V. I. Abstract Publication: Crystallography Reports Pub Date: May 1996 Bibcode: 1996CryRp..41..542B