同步輻射與高分子材料從軟X射線到遠紅外李良彬中國科學技術(shù)大學國家同步輻射實驗室和高分子科學與工程系Softx-rayonSoftmatter與硬X射線相比，這一波長范圍主要研究高分子的電子結(jié)構(gòu)硬x射線小角和廣角x射線散射原位拉伸測力原位拉伸測力高分子硬X射線彈性散射沒有分辨出不同的電子態(tài)，是所有電子的集體效應。因此，它檢測的是原子或分子結(jié)構(gòu)。軟x射線，紫外和紅外軟x射線共振散射原位拉伸測力原位拉伸測力高分子軟X射線，紫外和紅外檢測的電子態(tài)，如價電子對應的成鍵狀態(tài)，內(nèi)層電子態(tài)受成鍵電子態(tài)等的影響。適合于研究近程有序，分子結(jié)構(gòu)，原子的配位環(huán)境和能帶結(jié)構(gòu)等。軟x射線，紫外和紅外吸收1)通過電子結(jié)構(gòu)信息獲得原子分子的空間排布2）研究光電高分子的電子結(jié)構(gòu)近邊吸收精細結(jié)構(gòu)Near-edgeX-rayabsorptionfinestructure(NEXAFS)spectra與散射相比，近邊吸收主要研究高分子的近程有序近邊吸收精細結(jié)構(gòu)研究晶體的熔化過程ChemicalPhysicsLetters

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閻文勝，韋世強

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