PHYSICOCHEMICAL PROPERTIES OF DY-3+ IN SINGLE KY(MOO4)2 CRYSTAL (ELECTRON ABSORPTION, EMISSION, IR, RAMAN, AND MAGNETIC DATA)

被引:16
作者
HANUZA, J [1 ]
MACALIK, L [1 ]
RYBAROMANOWSKI, W [1 ]
MUGENSKI, E [1 ]
CYWINSKI, R [1 ]
WITKE, K [1 ]
PILTZ, W [1 ]
REICH, P [1 ]
机构
[1] ACAD SCI GDR,INST PHYS CHEM,DDR-1086 BERLIN,GER DEM REP
关键词
CRYSTALS - Lattice Vibrations - ELECTRONS - Absorption - LUMINESCENCE - MAGNETIC PROPERTIES - SPECTROSCOPY - Applications;
D O I
10.1016/0022-4596(88)90135-1
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Electron absorption, luminescence, vibrational, and magnetic properties of KDy//xY//1// minus //x(MoO//4)//2 crystals are examined over the entire concentration region x equals 0 to x equals 1 and a temperature range 13-293 K. The crystal field scheme of the **6H, **6F, **4F, **4I manifolds and their Stark components are established. The tau // lambda Judd-Ofelt parameters are determined by the numerical method and related to the concentration effect. The temperature dependence of the lifetime of luminescence is discussed and a quenching mechanism is proposed.
引用
收藏
页码:488 / 501
页数:14
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