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三种脉冲序列制备核自旋单重态效率的比较
李毅,辛家祥,王嘉琛*(),魏达秀,姚叶锋*()
Preparation Efficiency of Nuclear Spin Singlet State: A Comparison Among Three Pulse Sequences
Yi LI,Jia-xiang XIN,Jia-chen WANG*(),Da-xiu WEI,Ye-feng YAO*()

图6. (a) AGG氘水溶液的1H NMR谱图；(b)用M2S序列制备的AGG分子中Hc、Hc'单重态的NMR谱图；(c)使用M2S脉冲得到AGG分子中Hc、Hc'单重态的实验制备效率（）和理论制备效率（）与M2S模块部分的时间τe/2的关系

Fig.6. (a) 1H NMR spectrum of AGG in deuterium water; (b) The NMR spectrum of nuclear spin singlet state of Hc, Hc' in AGG using M2S pulse sequence; (c) The relationships of theoretical () and experimental ()preparation efficiencies with M2S module part time τe/2 using M2S pulse sequence