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基于荧光发射的低原子序数软X射线吸收谱方法

Soft X-Ray Absorption Spectroscopy of Low Z Element Based on Fluorescence Emission

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摘要

利用上海同步辐射光源扫描显微光束线站(08U1A)搭建了一套基于荧光发射的低原子序数吸收谱的测量系统,探索部分荧光产额(PFY)的吸收谱方法在软凝聚态(低原子序数元素,原子序数Z<10)和半导体领域的可行性及适用性。以含低原子序数元素的四氟化碳(CF4)气体和半导体样品甲胺铅碘(CH3NH3PbI3)为研究对象验证了PFY吸收谱方法在该系统上的可行性,并确定其样品浓度的测量下限。

Abstract

We establish a measurement system based on low atomic number absorption spectrum of fluorescence emission via the beamline station 08U1A of Shanghai Synchrotron Radiation Source, and explore the partial fluorescence yield (PFY) based on absorption method. The feasibility and applicability of this setup is verified on low Z elements in soft condensed matter and semiconductor areas. The research objects of CF4 gas and iodine methylamine lead (CH3NH3PbI3) verify the feasibility of PFY absorption spectroscopy. Then the low limit of sensitivity to sample concentration is determined.

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中图分类号:O433.1

DOI:10.3788/AOS201939.1034002

所属栏目:X射线光学

基金项目:国家科技部项目、国家自然科学基金;

收稿日期:2019-04-16

修改稿日期:2019-06-24

网络出版日期:2019-10-01

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李俊琴:中国科学院上海应用物理研究所, 上海 201800中国科学院上海高等研究院,张江实验室,上海光源科学中心, 上海 201204
陈振华:中国科学院上海应用物理研究所, 上海 201800中国科学院上海高等研究院,张江实验室,上海光源科学中心, 上海 201204
赵子龙:中国科学院上海应用物理研究所, 上海 201800中国科学院上海高等研究院,张江实验室,上海光源科学中心, 上海 201204
邹鹰:中国科学院上海应用物理研究所, 上海 201800中国科学院上海高等研究院,张江实验室,上海光源科学中心, 上海 201204
王勇:中国科学院上海应用物理研究所, 上海 201800中国科学院上海高等研究院,张江实验室,上海光源科学中心, 上海 201204
邰仁忠:中国科学院上海应用物理研究所, 上海 201800中国科学院上海高等研究院,张江实验室,上海光源科学中心, 上海 201204

联系人作者:邹鹰(zouying@zjlab.org.cn); 王勇(wangyong@zjlab.org.cn); 邰仁忠(tairenzhong@zjlab.org.cn);

备注:国家科技部项目、国家自然科学基金;

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引用该论文

Li Junqin,Chen Zhenhua,Zhao Zilong,Zou Ying,Wang Yong,Tai Renzhong. Soft X-Ray Absorption Spectroscopy of Low Z Element Based on Fluorescence Emission[J]. Acta Optica Sinica, 2019, 39(10): 1034002

李俊琴,陈振华,赵子龙,邹鹰,王勇,邰仁忠. 基于荧光发射的低原子序数软X射线吸收谱方法[J]. 光学学报, 2019, 39(10): 1034002

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