IAS Fellow's Public Lecture - Vibrational Spectroscopy: from molecules to materials
The major challenge faced by physicians, chemists or biologists is studying what happens at the atomic and molecular levels without actually being able to physically visualize atoms and molecules. Fortunately, even though we cannot capture images of atoms and molecules, we can use light to learn more about them. Indeed because atoms and molecules interact with light providing detailed information on their structure, composition and interactions. The technique for measuring the interaction of light with matter is referred to as spectroscopy. It is arguably the most powerful tool available to scientists to study the molecular world around them. Spectroscopic techniques are used universally in science at the intersection of the disciplines of physics, chemistry, geosciences, biology and engineering. While spectroscopy is conducted in nearly all regions of the electromagnetic spectrum, some practical considerations make the infrared, visible and ultraviolet regions the most studied. Associated to the infrared spectral range, vibrational spectroscopy explores the vibration motions of the matter.
In this lecture the principles of two main vibrational spectroscopies, infrared absorption and Raman classical inelastic scattering, will be introduced and some details on instrumental and sampling techniques will be addressed. Thus, Professor Carteret will show through examples why and how vibrational spectroscopy has become an important analytical and research tool for a wide range of applications, fields, states of the matter, and operating conditions. Finally attention will be paid to societal challenges through examples of applied research projects such as the on line control of defects and waste sorting, the corrosion of steels, the elaboration of new catalysts, the analysis of polymorphs.
This lecture is free and open to all.
Details about Professor Cedric Carteret
Directions to Ustinov Room, Van Mildert College
Map - Van Mildert College is denoted as building No.4
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