Journal Article

FZJ-2014-02829

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Intensities of surface spin wave excitations in inelastic electron scattering

Rajeswari, J. (Corresponding Author)FZJ* ; Michel, E.FZJ* ; Ibach, H.FZJ* ; Schneider, C. M.FZJ*

2014
APS College Park, Md.

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Please use a persistent id in citations: http://hdl.handle.net/2128/6700  doi:10.1103/PhysRevB.89.075438

Abstract: The intensity of surface spin wave excitations in inelastic electron scattering is measured as function of electron energy for fcc and hexagonal close packed (hcp) cobalt layers. Intensities are converted into scattering probabilities with the help of a recently established calibration of our spectrometer. The scattering probability as function of energy exhibits a peak around 7 and 3 eV for fcc and hcp cobalt, respectively, and decays to immeasurably small values at energies above 10 to 15 eV in stark contrast to theoretical predictions. By comparison to phonon scattering the peaks in the scattering probabilities at low energies are tentatively attributed to image potential induced resonances.

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Contributing Institute(s):

1. Elektronische Eigenschaften (PGI-6)
2. JARA-FIT (JARA-FIT)

Research Program(s):

1. 422 - Spin-based and quantum information (POF2-422) (POF2-422)

Appears in the scientific report 2014

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Database coverage:
; ; ; Current Contents - Social and Behavioral Sciences ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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