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楊光520金蟲 (小有名氣)
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[求助]
拉曼光譜 具體的出峰位置 表征 急急急急急
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想通過拉曼來表征Cd-S鍵的斷裂以及O-Cd鍵的形成,不知道具體的出峰位置。。。以及Cd-Te鍵的峰的位置 想測原位的,本來是想測液體的。但是樣品寄到別處去了,那人給我滴在硅片上然后測得,是不是最好要重新測得? 測液態(tài)樣的話,要注意什么。繀(shù)什么的怎么測??? 求各位大神們的指點(diǎn)。。! 最好是能給我具體的文獻(xiàn),或者是告訴我怎么查的,在哪查到的^ ![]() 因文章需要,急需這批數(shù)據(jù)。大神們幫幫忙。。。。。 |
拉曼光譜 |
銀蟲 (初入文壇)
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the most prominent Cd-Te peak (LO peak) is about 165~170cm-1 ref: http://www.nanoscalereslett.com/content/pdf/1556-276X-6-79.pdf http://www.sciencedirect.com/sci ... i/S1386142505005251 http://www.springerlink.com/content/j713132m31778563/ http://www.rsc.org/suppdata/JM/b7/b717966a/b717966a.pdf Cd-O peaks: sharp peak at ~265cm-1(tentatively assigned to the second order transverse acoustic phonon mode, or 2TA mode), broad feature at ~390cm-1 (300~400cm-1 broad peak, two-PDOS) ref: http://jap.aip.org/resource/1/japiau/v107/i6/p063519_s1 (sorry for keeping you waiting...) |

銀蟲 (初入文壇)
| the sharp peaks at about 500 and 1000 seem to be characteristic peaks of Si, and the one around 300 seems to be indicative of Cd-S. But in your case, in the second spectrum, peak at around 300 is still there. So it doesn't seem to be a process of breaking Cd-S bond and forming Cd-O bond. So I don't necessarily know what's going on there. the broad feature in your first spectrum could be resulted from some background (which can be baseline corrected I guess). The emerging of peaks at around 3000 I don't really know why. |

金蟲 (小有名氣)
銀蟲 (初入文壇)

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