2021年日本表面真空学会学術講演会

Presentation information

Surface Analysis/Applied Surface Science/Evaluation Technique(ASS)

[3Da01-12] ASS

Fri. Nov 5, 2021 9:00 AM - 12:00 PM Room D (Kotohira)

Chair:Naoka Nagamura(National Institute for Materials Science), Daisuke Fujita(National Institute for Materials Science)

9:45 AM - 10:00 AM

[3Da04] Studies on energy-resolved distribution of electron trap as a macroscopic surface-structural analysis

*Bunsho Ohtani1, Takashima Mai1 (1. Hokkaido University)

Allmost the all surface analytical methods are microscopic, and except for the elemental analysis by XPS, there are few macroscopic surface analysis methods such are zeta-potential measurement, impedance-analysis of electrodes or temperature-programmed desorption, which are all indirect and available to limited samples. Here, newly developed reversed double-beam photoacoustic spectroscopy enabling the measurement of energy-resolved distribution of electron traps for metal oxides is introduced.