Effects of Different Dopants on the Growth and Phase Transition of Ba3Y(BO3)3 Crystal

doi:10.3724/sp.j.1077.2009.00567

Abstract

Abstract: Phase transition is harmful to the quality of Re doped Ba₃Y(BO₃)₃ crystals. In order to obtain high quality Yb³⁺∶α-Ba₃Y(BO₃)₃ crystal, Sr²⁺ ions co-doped Yb³⁺∶α-Ba₃Y(BO₃)₃ crystal was grown with CZ method. Effect of various dopants and substitution sites on the growth and phase transition of Ba₃Y(BO₃)₃ crystal were investigated. The phase transition temperature of 10at% Nd³⁺∶α-Ba₃Y(BO₃)₃ crystal is 1099.6℃, which is lower than that of 10at% Yb³⁺∶α-Ba₃Y(BO₃)₃crystal (1145.3℃). Furthermore, the phase transition temperature of Nd³⁺∶α-Ba₃Y(BO₃)₃ crystals is increased with the increase of the contentration of Nd³⁺ ions. For 10at%Yb³⁺∶α-Ba₃Y(BO₃)₃ crystal, the melting point is increased and the phase transition temperature is decreased with the increase of the concentration of the codoped Sr²⁺ ions. The endothermic peak of phase transition disappears when the concentration of Sr²⁺ ions reaches 16at%, yet phase transition still exists with Sr²⁺ concentration of 5at% or 10at%.

Key words: laser crystal, phase transition, stability of crystals, czochralski technique, borate

CLC Number:

O736

PAN Shang-Ke,LU Sheng,DING Dong-Zhou,YANG Fan,REN Guo-Hao,WANG Guo-Fu. Effects of Different Dopants on the Growth and Phase Transition of Ba₃Y(BO₃)₃ Crystal[J]. Journal of Inorganic Materials, DOI: 10.3724/sp.j.1077.2009.00567.

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Effects of Different Dopants on the Growth and Phase Transition of Ba₃Y(BO₃)₃ Crystal

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