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The 155th AMCP Open Seminar

Hard X-ray photoemission study of functional materials

Schedules 2020.06.23 Finished


Date & Time

Tuesday, June 23, 2020, 15:00-16:00

Venue

National Institute for Materials Science (NIMS)
Sengen Main Bldg. 8F Middle Seminar Room 
Non-NIMS staff can only participate online.

Registration

Pre-registration is not required.
For inquiries, please contact the Administrative Office.
This lecture is open to the public. Your participation is strongly encouraged.

Online

For online participation, please apply by email to the Administration Office by the day before.
※Audio and video recordings are prohibited.

Speaker

TSUDA Shunsuke, Senior Researcher, Synchrotron X-ray Group

Title

Hard X-ray photoemission study of functional materials

Abstract

In this talk, I will present my spectroscopic studies on functional materials. Ca3Ru2O7 shows metallic electronic conduction down to low temperature. After very small amount of substitution of the Ru site by Ti, it shows metal-insulator transition at structural transition temperature. From hard-X-ray photoemission study (HAXPES), we found the most probable origin of the transition is a Mott transition. Because of the similarity to cuprate superconductors, Ba2IrO4, which is a representative spin-orbit Mott insulator, is expected as a platform for novel superconductivity. In this study, from HAXPES, we evaluated the electronic evolution induced by carrier doping of through K (hole) or La (electron) doping.


Summary

Event Title
The 155th AMCP Open Seminar
Hard X-ray photoemission study of functional materials
Venue
National Institute for Materials Science (NIMS)
Sengen Main Bldg. 8F Middle Seminar Room
Non-NIMS staff can only participate online.
Schedules Hours
2020.06.23
15:00-16:00
Registration Fee
Free

Contact

Research Center for Advanced Measurement and Characterization Administrative Office
National Institute for Materials Science
1-2-1 Sengen, Tsukuba, Ibaraki, 305-0047, Japan
Tel:81-29-859-2839
Fax:81-29-859-2801
E-Mail: amc=ml.nims.go.jp(Please change "=" to "@")
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