http://www.cnr.it/ontology/cnr/individuo/prodotto/ID311259
Generation of a spin-polarized electron beam by multipole magnetic fields (Articolo in rivista)
- Type
- Label
- Generation of a spin-polarized electron beam by multipole magnetic fields (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.ultramic.2013.12.002 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Karimi E.; Grillo V.; Boyd R.W.; Santamato E. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.scopus.com/inward/record.url?eid=2-s2.0-84892647999&partnerID=q2rCbXpz (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- [ 1 ] Univ Ottawa, Dept Phys, Ottawa, ON K1N 6N5, Canada
[ 2 ] CNR Ist Nanosci, Ctr S3, I-41125 Modena, Italy
[ 3 ] Univ Rochester, Inst Opt, Rochester, NY 14627 USA
[ 4 ] Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy
[ 5 ] Consorzio Nazl Interuniv Sci Fis Mat, Naples, Italy (literal)
- Titolo
- Generation of a spin-polarized electron beam by multipole magnetic fields (literal)
- Abstract
- The propagation of an electron beam in the presence of transverse magnetic fields possessing integer topological charges is presented. The spin-magnetic interaction introduces a nonuniform spin precession of the electrons that gains a space-variant geometrical phase in the transverse plane proportional to the field's topological charge, whose handedness depends on the input electron's spin state. A combination of our proposed device with an electron orbital angular momentum sorter can be utilized as a spin-filter of electron beams in a mid-energy range. We examine these two different configurations of a partial spin-filter generator numerically. The results of this analysis could prove useful in the design of an improved electron microscope. © 2013 Elsevier B.V. (literal)
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