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北京石油化工学院2026年研究生招生接收调剂公告
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JJLuNgJJ

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[交流] 求助Al2p的XPS分析 已有4人参与

小弟在分析複合薄膜,當中含有Cr,Al,N,O成份。但在Al2p分峰時出現兩個峰,位置分別在73.78及76.79,不知道是73.78到底是Al-Al BOND還是Al-O,還有就是另一個峰到底是那一種結合物。望各路高手給點提示,感激不盡!
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9楼: Originally posted by JJLuNgJJ at 2013-02-07 14:35:10
圖附上,勞煩指教

Al2p.jpg
...

第二个峰的FWHM太宽了,第一个马马虎虎。反正肯定不止一种价态的铝,拖尾的部分原因太多了,导电性,光源,金属氧化物表面吸附羟基等等。分峰的时候可以固定FWHM或者BE,具体没个严格标准,但是你这个FWHM太大了,通常1-1.5eV之间都比较合理。个人感觉可以分3个,当然有的人分成了五六七八个也能发表,只要能解释合理就行了。

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10楼2013-02-07 21:03:25
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fds329

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鱼大婶

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下图是标准


2楼2013-02-04 21:39:54
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fds329

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★ ★ ★
小木虫: 金币+0.5, 给个红包,谢谢回帖
yanhualover: 金币+2, 谢谢提供数据。优秀参与,值得奖励。 2013-02-06 00:58:43
可以查文献看。下面是美国标准及参考文献

Element:        Al
Formula:        Al0.7Cr1.3ZnS4
Name:        aluminum chromium sulfur zinc ss
Classes:        solid solution
Author Name(s):        Battistoni C., Paparazzo E., Dumond Y., Nogues M.
Journal:        Solid State Commun. 46, 333 (1983)
Data Type:        Photoelectron Line
Line Designation:        2p3/2
Binding Energy (eV)        73.8

Element:        Al
Formula:        Al2O3.3H2O
XPS Formula:        Al*2O3.3H2O
Name:        dialuminum(III) trioxide trihydrate (gibbsite)
CAS Registry No:        14762-49-3
Classes:        hydrate, mineral, oxide
Author Name(s):        Sugama T., KuKacka L.E., Carciello N., Hocker N.J.
Journal:        Cement and Concrete Research 19, 857 (1989)
Data Type:        Photoelectron Line
Line Designation:        2p3/2
Quality of Data:        Adequate
Binding Energy (eV)        73.8

Element:        Al
Formula:        Y3Al5O12
XPS Formula:        Y3Al*5O12
Name:        triyttrium(III) pentaaluminum(III) dodecaoxide
Classes:        double oxide
Author Name(s):        Mullins W.M., Averbach B.L.
Journal:        Surf. Sci. 206, 29 (1988)
Data Type:        Photoelectron Line
Line Designation:        2p3/2
Quality of Data:        Adequate
Binding Energy (eV)        73.77
Background Subtraction Method:        other
Peak Location Method:        Gaussian

General:
Element:        Al
Formula:        Al2O3
Name:        aluminum(III) oxide
CAS Registry No:        1344-28-1
Classes:        anhydride, oxide
Author Name(s):        Kovacich J.A., Lichtman D.
Journal:        J. Electron Spectrosc. Relat. Phenom. 18, 341 (1980)
Data Type:        Photoelectron Line
Line Designation:        2p3/2
Binding Energy (eV)        73.7
Measurement Information:
Use of X-ray Monochromator:        No
Calibration:        Cu3s=122.4;2p3=932.5
Charge Reference:        Adventitious carbon
Energy Scale Evalution:        Reliable, with two-point correction of energy scale

Element:        Al
Formula:        Al2O3
Name:        aluminum(III) oxide
CAS Registry No:        1344-28-1
Classes:        anhydride, oxide
Author Name(s):        Wagner C.D., Passoja D.E., Hillery H.F., Kinisky T.G., Six H.A., Jansen W.T., Taylor J.A.
Journal:        J. Vac. Sci. Technol. 21, 933 (1982)
Data Type:        Photoelectron Line
Line Designation:        2p3/2
Binding Energy (eV)        73.72
Measurement Information:
Use of X-ray Monochromator:        No       
Calibration:        Au,Cu
Charge Reference:        Adventitious carbon
Energy Scale Evalution:        Reliable, with two-point correction of energy scale

Element:        Al
Formula:        Al25Ni75Ox
XPS Formula:        Al*2O3 intermediate
Name:        aluminum nickel alloy(25-75) oxides
Classes:        alloy, non-stoichiometric oxide
Author Name(s):        Venezia A.M., Loxton C.M.
Journal:        Surf. Sci. 194, 136 (1988)
Data Processing:
Data Type:        Photoelectron Line
Line Designation:        2p3/2
Quality of Data:        Adequate
Binding Energy (eV)        73.76
Energy Uncertainty:        0.08
Background Subtraction Method:        other
Peak Location Method:        other type of curve fit
Full Width at Half-maximum Intensity (eV):        2.0
Measurement Information:
Use of X-ray Monochromator:        No
Excitation Energy:        Mg
Calibration:        Au4f7 = 84.00
Charge Reference:        Conductor
Energy Scale Evalution:        Reliable, with one-point correction of energy scale
Specimen:        oxygen pressure, oxidizing atmosphere, thermal oxide
Specimen Temperature (K):        293
Sample Quality:        Adequate
Notes:        Specimens were exposed by 300 L O2 at 773 K. The Ni 3p3/2 binding energy was used as a secondary binding energy reference and was assigned a value of 66.08 eV.
3楼2013-02-04 21:45:12
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4楼2013-02-05 23:12:15
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