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Determination of chemical valence states in dilute samples using a combination of fluorescence ion chamber and PIN photon diode
Xie YN(谢亚宁); Zhang J(张静); Liu J(刘景); Liu T(刘涛); Hu TD(胡天斗); Wu ZY(吴自玉); Xie, YN; Zhang, J; Liu, J; Liu, T; Hu, TD; Wu, ZY
2005
发表期刊PHYSICA SCRIPTA
卷号T115页码:1015-1016
通讯作者[Xie, Y. N. ; Zhang, J. ; Liu, J. ; Liu, T. ; Hu, T. D. ; Wu, Z. Y.] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China
文章类型Article
摘要Determination of chemical valence state is an important aspect for X-ray absorption spectroscopy (XAS) application. In this work a simple detecting system was developed for measuring the chemical states and recording X-ray absorption spectra of dilute samples. The new device consists of two parts: a Lytle-type ion chamber and a PIN photon diode detector, which are set side by side. The sample and the standard were placed in front of the two detectors respectively. The unfocused incident X-ray beam with certain size, hits on both the sample and the standard. The Lytle-type ion chamber detects the fluorescence signal from the sample while the PIN photon diode records the transmitted signal from the standard separately and simultaneously. Comparing the two spectra, the energy shift of the sample can be calibrated relative to a selected standard. This method is suitable for measuring high quality XANES spectra of low concentration samples at the 2nd generation synchrotron radiation sources exploiting either bending magnets or wigglers with large horizontal divergence.
学科领域Physics
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语种英语
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000204272100307
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238898
专题多学科研究中心
实验物理中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Xie YN,Zhang J,Liu J,et al. Determination of chemical valence states in dilute samples using a combination of fluorescence ion chamber and PIN photon diode[J]. PHYSICA SCRIPTA,2005,T115:1015-1016.
APA 谢亚宁.,张静.,刘景.,刘涛.,胡天斗.,...&Wu, ZY.(2005).Determination of chemical valence states in dilute samples using a combination of fluorescence ion chamber and PIN photon diode.PHYSICA SCRIPTA,T115,1015-1016.
MLA 谢亚宁,et al."Determination of chemical valence states in dilute samples using a combination of fluorescence ion chamber and PIN photon diode".PHYSICA SCRIPTA T115(2005):1015-1016.
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