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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October 2011
Research Article|
October 21 2011
Efficient spin resolved spectroscopy observation machine at Hiroshima Synchrotron Radiation Center
Rev. Sci. Instrum. 82, 103302 (2011)
Article history
Received:
July 31 2011
Accepted:
September 15 2011
Citation
Taichi OkudaKoji MiyamaotoHirokazu MiyaharaKenta KurodaAkio KimuraHirofumi NamatameMasaki Taniguchi; Efficient spin resolved spectroscopy observation machine at Hiroshima Synchrotron Radiation Center. Rev. Sci. Instrum. 1 October 2011; 82 (10): 103302. https://doi.org/10.1063/1.3648102
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