YBa3B9O18:: A promising scintillation crystal

被引：52

作者：

He, Ming

Chen, Xiaolong

Sun, Yuping

Liu, Jun

Zhao, Jingtai

Duan, Chengjun

机构：

[1] Chinese Acad Sci, Inst Phys, Neijing NAtl Lab Condensed Matter Phys, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

来源：

CRYSTAL GROWTH & DESIGN | 2007年 / 7卷 / 02期

关键词：

D O I：

10.1021/cg0606141

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Single crystals of the newly discovered borate YBa3B9O18 with dimensions up to 13 x 8 x 4 mm(3) were successfully grown by the Czochralski pulling method. X-ray excited luminescence measurements of the YBa3B9O18 showed a broad emission band in the wavelength range from 350 to 500 nm with a peak center at 400 nm. The light yield is about 6-7 times larger than that of PbWO4 measured at nearly the same conditions. The results show that borate can also exhibit attracting scintillation properties. A narrow temperature range for growth and drastic anisotropy of the growth rates are the main difficulties in growing large crystals. The crystal growth and properties of denser isostructural REBa3B9O18 series (RE = Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb) deserve further investigation.

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页码：199 / 201

页数：3

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