Resonant Multi-wave X-ray Diffraction study on Iron Oxides System
博士 === 國立清華大學 === 物理學系 === 97 === 共振X光繞射(Resonant X-ray Sscattering; RXS)是研究強相關系統最為普 及的一種技術。如同RXS一般,共振多光繞射亦提供色散修正(Dispersion correction)資訊。此外,共振多光繞射不僅提供強度資訊,也提供了相位 資訊。在此篇論文中,乃應用共振多光繞射方法於探究兩種鐵氧化物系 統—Fe2O3及Fe3O4。 在Fe2O3系統(即所謂的Hematite)中,在鐵的K吸收邊及前吸收邊內, 可觀察到兩次相位反轉之現象。共振多光繞射計算顯示出與實驗一致之相 位變化。 於Fe3O4系統中,其低...
Main Authors: | Weng, Shih-Chang, 翁世璋 |
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Other Authors: | Chang, Shih-Lin |
Format: | Others |
Language: | en_US |
Published: |
2009
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Online Access: | http://ndltd.ncl.edu.tw/handle/52274044929395584322 |
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