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Report No.

Spin-polarized positron annihilation spectroscopy for spintronics applications

Kawasuso, Atsuo; Fukaya, Yuki   ; Maekawa, Masaki; Mochizuki, Izumi; Zhang, H.

Spin-polarized positrons are useful in studying spintronics materials. We are producing positron sources for highly polarized positrons and are developing polarized positron beams using those sources. We investigated some ferromagnets and found that their electron momentum distributions exhibit field-reversal asymmetry. We also found a strong current-induced spin accumulation on Pt surfaces.



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