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Figure 2
The optical microscope images recorded in the main chamber (a) and the preparation chamber (b). (c) SEM image obtained in Osaka University after the photoemission measurements. Circles with diameter of 100 µm in (a)–(c) are indicators of the sampling points. (d) Sample-position dependence of the angle-integrated valence-band photoemission spectra recorded at the circles in (a), (b) and (d) with diameter of 100 µm. ARPES intensity plot (e) and the energy distribution curves (f) for position 1, and those for position 2 (g), (h). The dashed lines in (e)–(h) are guides to the eye of the peak position indicating the band structures.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 22| Part 3| May 2015| Pages 776-780
https://doi.org/10.1107/S1600577515003707
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