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Applications for ultimate spatial resolution in LASER based

DOI: 10.1063/1.5084618 DOI Help

Authors: E. F. Schwier (Hiroshima Synchrotron Radiation Center, Hiroshima University) , H. Takita (Hiroshima University) , W. Mansur (Hiroshima University) , A. Ino (Hiroshima Synchrotron Radiation Center, Hiroshima University) , M. Hoesch (Hiroshima Synchrotron Radiation Center, Hiroshima University; Diamond Light Source; Deutsches Elektronen-Synchrotron) , M. Watson (Diamond Light Source) , A. A. Haghighirad (University of Oxford; Karlsruhe Institute of Technology) , K. Shimada (Hiroshima Synchrotron Radiation Center, Hiroshima University)
Co-authored by industrial partner: No

Type: Conference Paper
Conference: 13th International Conference on Synchrotron Radiation Instrumentation – SRI2018
Peer Reviewed: No

State: Published (Approved)
Published: January 2019

Open Access Open Access

Abstract: Combining Angle resolved photoelectron spectroscopy (ARPES) and a -focused Laser, we have performed scanning ARPES microscopy measurements of the domain population within the nematic phase of FeSe single crystals. We are able to demonstrate a variation of the domain population density on a scale of a few 10 m while constraining the upper limit of the single domain size to less than 5 m. This experiment serves as a demonstration of how combining the advantages of high resolution Laser ARPES and an ultimate control over the spatial dimension can improve investigations of materials by reducing the cross contamination of spectral features of di erent domains.

Subject Areas: Materials

Facility: Hiroshima Synchrotron Radiation Center