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shinexq

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imrking(½ð±Ò+1):3q
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2Â¥2006-12-14 21:11:08
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protein1

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï
imrking(½ð±Ò+2):3q
×ÏÍâ-¿É¼ûÂþ·´Éä(UV-Vis DRS)ÒÔ¼°É¨ÃèËíµÀÆ×(¿ÉÒԲⶨµ¼´øºÍ¼Û´øµÄµçÊÆ)
3Â¥2006-12-14 21:15:34
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Spoondrift

½ð³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
Originally posted by shinexq at 2006-12-14 09:11 PM:
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4Â¥2006-12-14 22:08:05
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xutongkk

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

XPS,xÉäÏß¹âµç×ÓÄÜÆ×
5Â¥2006-12-15 13:35:39
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shijinwen

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by xutongkk at 2006-12-15 13:35:
XPS,xÉäÏß¹âµç×ÓÄÜÆ×

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ÎÒÓ¡ÏóÖУ¬XPSÊDzâÔªËØ¼Û̬µÄ
MCM Mobil Composite of Matter; SBA University of California Santa Barbara ¹â´ß»¯QQȺ33982937
6Â¥2006-12-15 15:44:20
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shijinwen

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by protein1 at 2006-12-14 21:15:
×ÏÍâ-¿É¼ûÂþ·´Éä(UV-Vis DRS)ÒÔ¼°É¨ÃèËíµÀÆ×(¿ÉÒԲⶨµ¼´øºÍ¼Û´øµÄµçÊÆ)

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MCM Mobil Composite of Matter; SBA University of California Santa Barbara ¹â´ß»¯QQȺ33982937
7Â¥2006-12-15 15:46:17
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Spoondrift

½ð³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
Originally posted by protein1 at 2006-12-14 09:15 PM:
×ÏÍâ-¿É¼ûÂþ·´Éä(UV-Vis DRS)ÒÔ¼°É¨ÃèËíµÀÆ×(¿ÉÒԲⶨµ¼´øºÍ¼Û´øµÄµçÊÆ)

×ÏÍ⣭¿É¼ûÂþ·´É䣬ÊDz»ÊǼȿÉÒԲⷴÉäÆ×ÓÖ¿ÉÒÔ²âÎüÊկװ¡£¿
8Â¥2006-12-15 18:33:02
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hot_cool

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by xutongkk at 2006-12-15 01:35 PM:
XPS,xÉäÏß¹âµç×ÓÄÜÆ×

Yes, XPS can be used for such purpose. But as far as I know,  it can only show the valence band position. For those who need to determine the band bending, schottky barrier height, or heterojunction band discontinuity..., this might be also a good technique. I will try to find some literature on this and keep you guys updated.

UV-Vis is the most popular technique for the determination of band gap energy of semiconductor materials. But again, whether we should take the absorption edge or the inflection point, whether we need Kubelka-Munk or not??? These are all question mark to me. So I would be more than happy to know what you guys think.
9Â¥2006-12-15 23:46:03
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tnt167

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