Czochralski growth of mixed cubic sesquioxide crystals in the ternary system Lu2O3-Sc2O3-Y2O3

被引：24
|
作者：
Kraenkel, Christian [1 ]
Uvarova, Anastasia [1 ]
Haurat, Emile [1 ,2 ]
Huelshoff, Lena [1 ]
Bruetzam, Mario [1 ]
Guguschev, Christo [1 ]
Kalusniak, Sascha [1 ]
Klimm, Detlef [1 ]
机构：
[1] Leibniz Inst Kristallzuchtung IKZ, Max Born Str 2, D-12489 Berlin, Germany
[2] Univ Paris Saclay, CEA, Serv Rech Met Phys, 3 Rue Joliot Curie, F-91190 Gif Sur Yvette, France
来源：
ACTA CRYSTALLOGRAPHICA SECTION B-STRUCTURAL SCIENCE CRYSTAL ENGINEERING AND MATERIALS | 2021年 / 77卷
关键词：
crystal growth; optical materials; phase diagrams; melting points; rare earth sesquioxides; THIN-DISK LASER; SINGLE-CRYSTALS; MU-M; CONTINUOUS-WAVE; DOPED LU2O3; SPECTROSCOPIC CHARACTERIZATION; PHASE-TRANSITIONS; OXIDE CRYSTALS; RE2O3; RE; OPERATION;
D O I：
10.1107/S2052520621005321
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cubic rare-earth sesquioxide crystals are strongly demanded host materials for high power lasers, but due to their high melting points investigations on their thermodynamics and the growth of large-size crystals of high optical quality remain a challenge. Detailed thermal investigations of the ternary system Lu2O3-Sc2O3-Y2O3 revealing a large range of compositions with melting temperatures below 2200 degrees C and a minimum of 2053 degrees C for the composition (Sc0.45Y0.55)(2)O-3 are presented. These reduced temperatures enable for the first time the growth of high optical quality mixed sesquioxide crystals with disordered structure by the conventional Czochralski method from iridium crucibles. An (Er0.07Sc0.50Y0.43)(2)O-3 crystal is successfully grown and characterized with respect to its crystallographic properties as well as its composition, thermal conductivity and optical absorption in the 1 mu m range.
引用
收藏
页码：550 / 558
页数：9
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