关于Nd3 +在Y3Al5O12中的溶解度
On the solubility of Nd3+ in Y3Al5O12
摘要：
采用溶胶-凝胶法制备了掺钕钇铝石榴石（Nd：YAG或（Y{1-x}Nd{x}）3Al 5 O 12，x分别为0.15，0.25和0.30）粉体。通过DTA测量，可以确定高达2000摄氏度的共晶和液相线温度。在第二次和随后的DTA加热运行中的暴露峰表明结晶的DTA样品不处于平衡。根据热力学计算，提出了Al_2 O_3-Nd_2 O_3-Y_2 O_3浓度三角形的Y_3Al_5 O_（12）-Nd_3Al_5 O_（12）截面，该截面可以用先前晶化的DTA样品中亚稳相态的平衡来解释实验结果。
英文摘要：
Neodymium doped yttrium aluminum garnet powders (Nd:YAG or (Y{1-x}Nd{x})3Al5O12, x=0.15, 0.25, or 0.30, respectively) were prepared by a sol-gel technique. By DTA measurements up to 2000 deg C eutectic and liquidus temperatures could be determined. Exothermal peaks in the second and subsequent DTA heating runs indicate that the crystallized DTA samples are not in equilibrium. The section Y3Al5O12-Nd3Al5O12 of the concentration triangle Al2O3-Nd2O3-Y2O3 is proposed on the basis of thermodynamic calculations that allows to explain the experimental results by the balance of metastable phase states in the previously crystallized DTA samples.
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