This title appears in the Scientific Report : 2014 

Intensities of surface spin wave excitations in inelastic electron scattering
Rajeswari, J. (Corresponding Author)
Michel, E. / Ibach, H. / Schneider, C. M.
Elektronische Eigenschaften; PGI-6
JARA-FIT; JARA-FIT
Physical review / B, 89 (2014) 7, S. 075438
College Park, Md. APS 2014
10.1103/PhysRevB.89.075438
Journal Article
Spin-based and quantum information
OpenAccess
Please use the identifier: http://dx.doi.org/10.1103/PhysRevB.89.075438 in citations.
Please use the identifier: http://hdl.handle.net/2128/6700 in citations.
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.