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X-ray photoemission spectroscopy measurements of the Co3O4 films after growth and after annealing were carried out to assess the film stoichiometry. The XPS spectra were obtained using the Mg Kα line () of a double anode X-ray source and a double pass cylinder mirror analyzer (PHI 15-255G) set at a pass energy of 25 eV (energy resolution of about 0.8 eV). High resolution XPS spectra of the O 1s and Co 2p lines of the as-grown and annealed films are shown in Fig. 4. Corrections to the data include a five-point adjacent smoothing, satellite correction and correction of energy shifts due to charging (aligned with respect to the Co 2p peaks, using the energy assignments given in [32] and [33]). One observation is that the Co 2p spectra for both samples are identical, showing that no significant changes in stoichiometry or in the ionic state of the Co cations occur as a consequence of annealing. A second observation is that the Co 2p spectra are characteristic of a Co3O4 ionic environment [32] and [33] J. Haber and L. Ungier, J. Electr. Spectrosc. Relat. Phenom. 12 (1977), p. 305. Abstract | View Record in Scopus | Cited By in Scopus (27)[33], with strongly suppressed shake-up peaks compared to those of CoO [21], [30], [32], [33], [34], [35], [36] and [37]. The O 1s photoemission line is also similar before and after annealing, although some variation in the shape of the O 1s line is observed. This could be related, in some instances, to the effect of the O-plasma cleaning procedure (at room temperature) before XPS spectra collection: given the surface sensitivity of XPS, small variations in the amount of surface adsorbed O may lead to slight variations in the O 1s line; in fact, the additional peak observed at higher binding energies has been attributed to adsorbed oxygen [32], [38], [39], [40], [41], [42], [20] and [37], although surface hydroxylation, which also yields a similar peak [33] and [37], cannot be ruled out. From Surface Science Volume 603, Issue 2, 15 January 2009, Pages 291-297 |
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dgy30420
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wypward(金币+1):欢迎新虫，谢谢参与 2010-06-06 15:58:28
guoqiusong(金币+2, 翻译EPI+1):翻译不专业，但也谢谢你的工作 2010-06-06 16:21:12
wypward(金币+1):欢迎新虫，谢谢参与 2010-06-06 15:58:28
guoqiusong(金币+2, 翻译EPI+1):翻译不专业，但也谢谢你的工作 2010-06-06 16:21:12
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X射线光电子能谱后增长的四氧化三钴薄膜光谱测量和退火后进行了评估薄膜化学计量。得到的XPS谱使用镁Kα线线（）的双阳极X射线源和一个双圆柱镜通过分析仪（15 - 255克）在传递能量设置潜在危险装置25伏特（能量分辨率约为0.8电子伏特）。高分辨率X射线光电子能谱的O 1s和合作的2p作为土生土长的，退火薄膜线谱如图所示。 4。更正的数据包括了五点相邻的平滑，卫星校正校正变化和能源由于收费（关于联合2P的高峰一致，使用的能源中[32]给出的任务和[33]）。其中一个现象是，联合2P的两个样本谱是相同的，表明在化学计量学无明显变化或在联合阳离子离子状态，退火后果的发生。第二个观察是，联合2P的光谱是一个四氧化三钴离子环境特征[32]和[33]苏哈伯和L.温盖尔，j的电阻。 Spectrosc。与内分泌。阳明山。 12（1977），第305。摘要|查看纪录在Scopus |收录Scopus（27）[33]具有强烈的抑制震动，而高峰，相比之下，CoO的[21]，这些[30]，[32]，[33]，[34] [35]，[36]和[37]。该行的O 1s光电子也是类似前和退火后，虽然有些在O 1s的线形变化观察。这可能是相关的，在某些情况下，到O型血浆净化过程在室温下（效应）在XPS谱收集：鉴于XPS表面敏感性，在表面吸附Ø量小变化可能导致轻微的变化在O 1的路线，事实上，多峰高结合能观察到了由于吸附氧[32]，[38]，[39]，[40]，[41]，[42]，[20]和[37]，虽然表面羟基化，这也产生了类似的高峰[33]和[37]，也不能排除。从表面科学603卷，第2期，2009年1月15日，页291-297 不知道有没有帮助，楼主自己看一下吧   |
2楼2010-06-06 15:48:35
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