Simultaneous SANS/FTIR measurement system incorporating the ATR sampling method
Journal of applied crystallography(2023)
摘要
Small-angle neutron scattering (SANS) is widely used as a powerful technique to study the higher-order structure of soft matter. To increase the reliability of SANS profile analysis for complex multi-component systems, combining different types of structural information obtained by other methods is desirable. A simultaneous measurement system combining SANS and Fourier transform infrared (FTIR) spectroscopy meets this objective. It is beneficial for targets where matching the timing of structural changes between experiments is difficult, but the issue is that samples suitable for SANS are too thick for the typical transmission FTIR method. To overcome this problem, a new simultaneous measurement system that employs the attenuated total reflectance (ART) sampling method for FTIR spectroscopy has been developed.
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关键词
small-angle neutron scattering, SANS, Fourier transform infrared spectroscopy, FTIR, simultaneous measurement, attenuated total reflectance, ATR
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