Efficient spin resolved spectroscopy observation machine at Hiroshima Synchrotron Radiation Center | Zendy

Taichi Okuda | Zendy; Koji Miyamaoto | Zendy; Hirokazu Miyahara | Zendy; Kenta Kuroda | Zendy; A. Kimura | Zendy; H. Namatame | Zendy; M. Taniguchi | Zendy

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Efficient spin resolved spectroscopy observation machine at Hiroshima Synchrotron Radiation Center

Author(s) -

Taichi Okuda,

Koji Miyamaoto,

Hirokazu Miyahara,

Kenta Kuroda,

A. Kimura,

H. Namatame,

M. Taniguchi

Publication year - 2011

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.3648102

Subject(s) - synchrotron radiation , beamline , angle resolved photoemission spectroscopy , angular resolution (graph drawing) , spectrometer , resolution (logic) , physics , spin (aerodynamics) , detector , photoemission spectroscopy , materials science , optics , atomic physics , nuclear magnetic resonance , x ray photoelectron spectroscopy , electronic structure , condensed matter physics , beam (structure) , mathematics , combinatorics , artificial intelligence , computer science , thermodynamics

Highly efficient spin- and angle-resolved photoelectron spectrometer named ESPRESSO (Efficient SPin REsolved SpectroScopy Observation) machine has been developed at the beamline BL-9B in Hiroshima Synchrotron Radiation Center. Combination of high-resolution hemispherical electron analyzer and the high-efficient spin detector based on very low energy electron diffraction by the ferromagnetic target makes the high-energy resolution and angular resolution compatible with spin- and angle-resolved photoemission (SARPES) measurement. 7.5 meV in energy and ±0.18° in angular resolution have been achieved with spin resolution. The ESPRESSO machine, combination of quick energy-band dispersion measurement and Fermi surface mapping by two-dimensional electron detector for the spin integrated ARPES and the high-efficient spin analysis by the efficient spin detector realizes the comprehensive investigation of spin electronic structure of materials.

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