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新型X射线影像存储屏的研究
  • ISSN号：0023-074X
  • 期刊名称：《科学通报》
  • 时间：0
  • 分类：TN248.4[电子电信—物理电子学] TS933.3[轻工技术与工程]
  • 作者机构：[1]北京交通大学光电子技术研究所,发光与光信息技术教育部重点实验室,北京100044
  • 相关基金：国家自然科学基金（批准号：60877025）、北京市科技计划项目（编号：z08000303220803）和北京自然科学基会（编号：2092024）和国家杰出青年科学基金（批准号：60825407）资助项目
作者： 王永生[1], 孟宪国[1], 何大伟[1]
关键词： 光激励发光, 色心, 电子俘获
中文摘要：

室温下在Eu2＋掺杂的BaBrCl中,发现经X射线辐照后的光激励发光（PSL）.光激励谱和差吸收谱（DAS）基本相同,均为峰值波长位于550和675nm处的宽带谱,表明经X射线辐照后F心形成.这使得用半导体激光器代替气体激光器作为读出光源成为可能.PSL强度与X射线辐照剂量呈线性关系,转化效率为BaFBr：Eu富士IP板的29%.

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 被引量:81792