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Development of laser-based scanning µ-ARPES system with ultimate energy and momentum resolutions

DOI: 10.1016/j.ultramic.2017.06.016 DOI Help

Authors: Hideaki Iwasawa (Diamond Light Source; Hiroshima Synchrotron Radiation Center, Hiroshima University) , Eike F. Schwier (Hiroshima Synchrotron Radiation Center, Hiroshima University) , Masashi Arita (Hiroshima Synchrotron Radiation Center, Hiroshima University) , Akihiro Ino (Hiroshima Synchrotron Radiation Center, Hiroshima University) , Hirofumi Namatame (Hiroshima Synchrotron Radiation Center, Hiroshima University) , Masaki Taniguchi (Hiroshima Synchrotron Radiation Center, Hiroshima University) , Yoshihiro Aiura (National Institute of Advanced Industrial Science and Technology) , Kenya Shimada (Hiroshima Synchrotron Radiation Center, Hiroshima University)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Ultramicroscopy , VOL 182 , PAGES 85 - 91

State: Published (Approved)
Published: November 2017

Open Access Open Access

Abstract: We have developed a laser-based scanning angle-resolved photoemission spectroscopy system (µ-ARPES) equipped with a high precision 6-axis control system, realizing not only high-resolution photoemission spectroscopy in energy and momentum, but also spatial resolution of a µm scale. This enables our µ-ARPES system to probe fine details of intrinsic electronic states near the Fermi level such as the superconducting gaps and lifetime broadening.

Journal Keywords: Angle-resolved photoemission spectroscopy; Scanning photoemission microscopy; Spatial mapping of fine electronic structure; Condensed-matter physics

Subject Areas: Physics

Facility: Hiroshima Synchrotron Radiation Center

Documents:
1-s2.0-S0304399117301365-main.pdf