Low frequency terahertz spectrum of acetylsalicylic acid over a wide temperature range investigated by FTIR spectroscopy

Engineering & Materials Science

• Spectroscopy 73%
• Acids 59%
• Discrete Fourier transforms 35%
• Crystals 32%
• Temperature 26%
• Dimers 24%
• Absorption spectra 24%
• Cooling 11%
• Bandwidth 10%
• Composite materials 9%
• Experiments 5%

Physics & Astronomy

• acetylsalicylic acid 100%
• low frequencies 46%
• spectroscopy 34%
• temperature 19%
• frequency shift 18%
• crystals 9%
• dimers 8%
• absorption spectra 6%
• bandwidth 6%
• cooling 6%
• temperature dependence 6%
• composite materials 5%
• room temperature 5%

Chemical Compounds

• Acetylsalicylic Acid 86%
• Fourier Transform Infrared Spectroscopy 36%
• Cooling 14%
• Ambient Reaction Temperature 9%
• Composite Material 8%
• Energy 7%