Chemical Effects of CeL_γ4 Emission Spectra for Ce Compounds

Chemical Effects of CeL_γ4 Emission Spectra for Ce Compounds
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CeL_γ4发射光谱对Ce化合物的化学效应

DOI:
10.2116/analsci.26.885
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发表时间:
2010
影响因子:
1.6
通讯作者:
M. Mizumaki
M. Mizumaki
中科院分区:
化学4区
文献类型:
--
作者:
H. Hayashi;Yuki Takehara;N. Kawamura;M. Mizumaki

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相似文献

用多晶多探测器光谱仪测量了CeF_3、Ce_2S_3、CeF_4和CeO_2的高分辨CeF_γ_4发射光谱。根据Ce离子的化学环境不同,光谱表现出很大的差异。通过将观测到的CeO_2光谱与能带计算相比较,我们确定了观察到的主发射线的化学效应主要是由于Ce5P带的跃迁;约6.539 keV的高能尾部被指定为配体p-→-Ce2S的交叉跃迁。在此基础上,结合Cel_1和EuL_1的X射线吸收精细结构讨论了Cel_γ_4和EuL_γ_4的主要区别。文中还提出了Cel_γ_4发射在材料表征中的可能应用。
High-resolution CeL_γ4 emission spectra of CeF_3, Ce_2S_3, CeF_4, and CeO_2 have been measured using a multicrystal, multidetector spectrometer. The spectra exhibited substantial differences depending on the chemical environment of the Ce ions. By comparing the observed CeO_2 spectrum with the band calculations, we determined that the observed chemical effects of the main emission line were primarily attributable to the transitions of the Ce5p band; the high-energy tail at around 6.539 keV was assigned to the ligand p→Ce2s cross transition. Further, a key difference between CeL_γ4 and EuL_γ4 is discussed with reference to CeL_1- and EuL_1-X-ray absorption fine-structures (XAFS). Possible applications of CeL_γ4 emissions to material characterization are also suggested.
寿命展宽免费 XAFS 光谱
DOI: --
发表时间: 2004
期刊: Advances in X-ray Chemical Analysis 35
影响因子: --
作者:
Tomohiro Yanao;Kazuo Takatsuka;Hisashi Hayashi
通讯作者: Hisashi Hayashi
DOI: --
发表时间: 2004
期刊: J.Electron Spectry.Relat.Phenom. 136
影响因子: --
作者:
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使用 EuL_<Y4> 发射的价选择性 XAFS 光谱
DOI: --
发表时间: 2009
期刊: J.Phys.: Conf.Ser. 190
影响因子: --
作者:
Hirotaka Sano;Akira Endo;Shingo Katsumoto and Yasuhiro Iye;H.Hayashi
通讯作者: H.Hayashi