Author:
Fujiwara Hidenori,Kiss Takayuki,Wakabayashi Yuki K.,Nishitani Yoshito,Mori Takeo,Nakata Yuki,Kitayama Satoshi,Fukushima Kazuaki,Ikeda Shinji,Fuchimoto Hiroto,Minowa Yosuke,Mo Sung-Kwan,Denlinger Jonathan D.,Allen James W.,Metcalf Patricia,Imai Masaki,Yoshimura Kazuyoshi,Suga Shigemasa,Muro Takayuki,Sekiyama Akira
Abstract
Soft X-ray angle-resolved photoemission has been performed for metallic V2O3. By combining a microfocus beam (40 µm × 65 µm) and micro-positioning techniques with a long-working-distance microscope, it has been possible to observe band dispersions from tiny cleavage surfaces with a typical size of several tens of µm. The photoemission spectra show a clear position dependence, reflecting the morphology of the cleaved sample surface. By selecting high-quality flat regions on the sample surface, it has been possible to perform band mapping using both photon-energy and polar-angle dependences, opening the door to three-dimensional angle-resolved photoemission spectroscopy for typical three-dimensional correlated materials where large cleavage planes are rarely obtained.
Publisher
International Union of Crystallography (IUCr)
Subject
Instrumentation,Nuclear and High Energy Physics,Radiation
Cited by
6 articles.
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