A new imaging concept in spin polarimetry based on the spin-filter effect

Tereshchenko, O.E.; Golyashov, V.A.; Rusetsky, V.S.; Mironov, A.V.; Demin, A.Y.; Aksenov, V.V.

doi:10.1107/S1600577521002307

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Figure 4
(a) CL spectra measured at various accelerating bias. (b) Circularly polarized (σ⁺, σ⁻) components of the CL spectra excited by the injection of the electrons with opposite spin polarizations at an accelerating voltage of 0.5 V and T = 300 K. (c) Degree of circular polarization of the CL emission at different temperatures. (d) Image of spin-integrated CL intensity, (e) difference of CL intensity between `spin-up' and `spin-down' (I_z^↑ – I_z^↓), and (f) derived CL circular polarization degree 2D distribution P_z = (I_z^↑ – I_z^↓)/(I_z^↑ + I_z^↓) with the corresponding horizontal profiles marked lines l₁, l₂ and l₃. The images were taken at an accelerating voltage of 1 V and T = 300 K. The right parts demonstrate intensity (l_i) cross-sections along the coordinates.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 28| Part 3| May 2021| Pages 864-875

https://doi.org/10.1107/S1600577521002307

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