Dresden 2026 – wissenschaftliches Programm

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O: Fachverband Oberflächenphysik

O 51: Focus Session: Structure and Dynamics of Solvent at Electrochemical Interfaces II

O 51.3: Hauptvortrag

Dienstag, 10. März 2026, 15:15–15:45, TRE/MATH

Interface-specific nonlinear THz spectroscopy — •Chuanshan Tian — Department of Physics, Fudan Univ. China

Quantum confinement and proximity effects at material interfaces give rise to a range of novel physical and chemical phenomena, substantially advancing our ability to understand and control material properties. The development of in situ and interface-sensitive characterization techniques is therefore critical for uncovering the microscopic mechanisms governing interfacial systems and for improving device performance. This presentation will outline recent advances in interface nonlinear optical spectroscopic techniques, with a particular focus on their extension into the (multi-)terahertz spectral regime. Applications of these methods in probing interfacial microstructures and dynamic processes will be discussed, highlighting their potential for resolving complex interfacial phenomena with high specificity.

Keywords: surface and interface; nonlinear spectroscopy; TeraHertz spectroscopy; oxide interface