BL-7A : Soft X-ray Spectroscopy Station

Beamline group	Subcommittee 1 (Soft X-ray Spectroscopy)
Techniques	Soft X-ray Spectroscopy Soft X-ray Magnetic Circular Dichroism
Features	Horizontal linear polarization, as well as right and left elliptical polarizations, are available. 1.2 T soft X-ray magnetic circular dichroism apparatus is installed for public use. Soft X-ray absorption spectroscopy apparatus (including depth-resolved technique) is available. ree port is available, to which users can bring their own apparatus.
Area of research	Surface Science Magnetic Thin Films
Organization	Same as other stations at PF, though the beamline belongs to Univ. Tokyo.
Contacts	PF : Kenta AMIMIYA kenta.amemiya(at)kek.jp Univ. Tokyo : Jun OKABAYASHI Please change (at) to @ in the e-mail address.
Special notes	Similar energy region is covered by other statins (Undulator: BL-2A/B, 13A/B, 16A, 19A/B, Bending Magnet: BL-11A, 11D).

Source	2.5GeV PF Bending magnet (B07)
Optics	Varied-Line-Spacing Plane Grating Monochromator ost focusing system with a toroidal mirror
Energy range	50 - 1300 eV
Resolution (ΔE/E)	~ 10^-3 (see Photon flux section)
Beam Size	~ 3 mm (H) x 0.5 mm (V)
Photon flux	~ 10¹⁰ - 10¹¹ photons/s Photon flux under typical conditions. The resolution (E/ΔE) at each energy is indicated by arrows.
Instruments	Soft X-ray Magnetic Circular Dichroism (1.2 T) Soft X-ray Absorption Spectroscopy Depth-resolved Soft X-ray Absorption Spectroscopy
Detectors	Drain current, Microchannel plate, Silicone Drift Detector, and Soft X-ray CCD camera (depending on apparatus)
Remote / Mail-in	available
Special notes	Sample size : < ~10 mm square is recommended Uses instruments : acceptable Beam hight : 1200 mm from the stage，Pressure : <10^-4 Pa Plan view of the experimental stage

K. Amemiya et al., J. Electron Spectrosc. Relat. Phenom., 124, 151 (2002), doi:10.1016/S0368-2048(02)00051-8 : [Beamline]
K. Amemiya, Phys. Chem. Chem. Phys., 14, 10477 (2012), doi:10.1039/C2CP41085K : [Depth-resolved Soft X-ray Absorption Spectroscopy]
M. Sakamaki and K. Amemiya, Rev. Sci. Instrum., 88, 083901 (2017), doi:10.1063/1.4986146 : [Depth-resolved Soft X-ray Absorption Spectroscopy by fluorescence-yield]

Last updated: 2021-8-23