Growth and characterisation of monoclinic KGd_l-xREx(WO_4)_2 single crystals

C. Pujol; M. Aguilo; F. Diaz

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Growth and characterisation of monoclinic KGd_l-xREx(WO_4)_2 single crystals

机译：单斜KGd_1-xREx（WO_4）_2单晶的生长与表征

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The high-temperature solution growth of KGd(WO_4)_2 single crystals doped with trivalent rare earth (RE~3+) ions has been investigated by using the top seeded solution growth (TSSG) technique and K_2W_2O_7 as solvent. Electron probe microanalyses were used to determine the RE concentration in the crystals grown. For the 1/100 doping level in the melt the distribution coefficients of Nd, Er, Ho and Tm are in the 0.8--l.l range. Yb and Pr have smaller distribution coefficients of 0.7 and 0.5, respectively. The crystal field splittings of the Ho~3+, Er~3 and Yb~3+ electronic multiplets have been determined at 4.2 K. Some evidence of the presence of several Yb~3+ centres has been obtained.

机译：以顶晶溶液生长（TSSG）技术和K_2W_2O_7为溶剂，研究了掺有三价稀土（RE〜3 +）离子的KGd（WO_4）_2单晶的高温溶液生长。电子探针显微分析用于确定生长的晶体中的RE浓度。对于熔体中1/100的掺杂水平，Nd，Er，Ho和Tm的分布系数在0.8--1.1范围内。 Yb和Pr分别具有较小的0.7和0.5的分配系数。已经确定了Ho〜3 +，Er〜3和Yb〜3 +电子多重峰在4.2 K时的晶体分裂。已获得一些存在Yb〜3 +中心的证据。

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《Optical Materials》 |1999年第1期|p.33-40|共8页
作者
C. Pujol; M. Aguilo; F. Diaz;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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Growth and characterisation of monoclinic KGd_l-xREx(WO_4)_2 single crystals

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