PEEM and Its Future Challenge
Abstract: PEEM, which gives the information about the spatiotemporal distribution under the reaction conditions, has been improved to possess chemical sensitivities by analyzing emitted photoelectron kinetic energy. This new type of PEEM is called as EXPEEM(Energy filtered PEEM). We adopted a Wien filter as a linear energy analyzer of photoelectron. We achieved high senitivity EXPEEM system by adopting the mulitpole Wien filter. We have developed a user friendly EXPEEM using the local network in Hokkaido.
Key words: Multipole wien filter, PEEM, EXPEEM, in situ