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chanerwang木蟲 (著名寫手)
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[求助]
求助XRD精修,請問如何通過精修看出摻雜的元素進入到晶格中,和產(chǎn)生更多的氧空位?
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審稿專家的評語:In fact it is contradictory because using XPS authors detected the presence of europium on BiVO4 surface, then why authors assume that it is into the crystal structure of compound. Also cell volume is lower when sample contains boron and europium than sample BiVO4, normally when some cation, boron or europium, is incorporated into the lattice volume tends to increase. On the other hand, authors mentioned that samples contained high amount of surface oxygen vacancies, I would like to mention that by using XRD Rietveld analysis it is possible to determine the oxygen vacancies in samples, it is better if authors try to corroborate such affirmation doing XRD Rietveld analysis. Additionally, through XRD Rietveld method authors can obtain the cell parameters of all samples and compare them in order to corroborate if boron and europium are into the crystal structure, just the crystal size and volume value are not enough evidence. 我完全不太會用這個,求助啊,我該如何做呢?好不容易審稿回來的意見,不敢不重視啊 |
百寶箱 |
木蟲 (著名寫手)
鐵桿木蟲 (知名作家)
| 審稿人是要你對硼和銪摻雜后樣品的XRD做Rietveld精修,從而獲得更精確的晶胞參數(shù),再通過氧原子的占位率判斷是否存在氧缺陷。你可能需要收集精度更高的XRD數(shù)據(jù),再采用GSAS、MS、Fullprof、Manud等軟件對XRD做Rietveld精修,僅供樓主參考,希望對你有幫助,祝好! |
鐵桿木蟲 (知名作家)
木蟲 (著名寫手)
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