Division of Materials Science, NAIST

Xin Liang Tan of Surface and Materials Science Laboratory was awarded a Best Poster Prize in the 8th International Symposium on Surface Science (ISSS-8)

Xin Liang Tan of Surface and Materials Science Laboratory was awarded a Best Poster Prize in the 8th International Symposium on Surface Science (ISSS-8), held at Tsukuba International Congress Center, Tsukuba Japan from the 22nd to 26th of October, 2017. In this event, a total of 16 out of 382 presenters (researchers and students) were chosen for the aforementioned awards to recognize their presentations.


“Observing the Dynamics of Phase Transitions in 1T-TaS2 and 1T-TiSe2 Using Time-Resolved X-Ray Photoelectron Diffraction”

X.L. Tan1, S. Fukami1, Y. Fujita1, Y. Higa1, H. Ota1, Y. Hashimoto1, T. Shimano1, M. Taguchi1, K. Hattori1, S. N. Takeda1, H. Matsuda1, T. Matsushita2, H. Osawa2, I. Matsuda3, S. Yamamoto3, M. Oura4, K. Tamasaku4, Y. Tanaka4, K. Rossnagel5, F. Matsui1, H. Daimon1


1Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192, Japan

2Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Koto 1-1-1, Sayo, Hyogo 679-5198, Japan.

3 Institute for Solid State Physics, The University of Tokyo, Kashiwa, Chiba 277-8581, Japan.

4 RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148, Japan.

5 Institut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel, 24098 Kiel, Germany.

Email: xintan@ucdavis.edu

This award is nevertheless shared by everyone who assisted me with my research and I will use this opportunity to credit the personnel involved. The first person whom I have in mind is no other than my supervisor Prof. Daimon who has been offering me an almost immeasurable amount of advices and supports in my research. I have to offer my utmost gratitude to all members of the SPring-8 division, the Taiyo-2 division and the VUV-PES (Scienta) division of Surface and Materials Science Laboratory which are led by Asst. Prof Taguchi, Assc. Prof. Hattori and Asst. Prof. Takeda respectively and also the Green Nanosystem Laboratory members headed by Assc. Prof Matsui. Moreover, I am also thankful for the assistance of our collaborators from Institute for Solid State Physics, Japan Synchrotron Radiation Research Institute (JASRI), RIKEN and CAU Kiel.

The presentation outlines the current progress on the realization of time-resolved X-ray Photoelectron Diffraction (tr-XPD). Time-resolved photoelectron diffraction expands the technique of XPD with an additional dimension of time together with all of the advantages of its precursor including atomic level three-dimensional structural analysis (holography), site- and state- specific probe, and surface sensitivity. Via tr-XPD, we will have access to study the local dynamics of various materials which is believed to be cornerstone for the understanding of active sites. The presentation shows the reference result from a wide angle of acceptance analyzer, Display-type Spherical Mirror Analyzer (DIANA), and a high energy resolution XPD from DELMA (Display-type Ellipsoidal Mesh Analyzer) coupled with a commercial Scienta R4000 energy filter. Other than that, it also outlines the upcoming XPD experiment with time-resolved setup using Hard-X-ray synchrotron light source.


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