Spin-polarized electron-energy-loss spectroscopy on epitaxial fcc Co layers on Cu(001)

Kämper, K. P.; Abraham, D. L.; Hopster, H.

doi:10.1103/physrevb.45.14335

Cited by 27 publications

(17 citation statements)

References 51 publications

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“…• /nm. This confirms the linear thickness dependence of the precession angle , equation (3). Figure 3 shows the experimental precession angle for different Co thicknesses at a primary energy E−E F = 8 eV where E F is the Fermi energy.…”

Section: 2supporting

confidence: 66%

The electron analogue to the Faraday rotation

et al. 1999

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Section: 2supporting

confidence: 66%

The electron analogue to the Faraday rotation

et al. 1999

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“…Spin-polarized electron energy loss spectroscopy (SPEELS) developed in the 1980s and has become a valuable technique for probing Stoner excitations [1][2][3][4][5][6][7][8] and more recently spin waves [9]. In so-called spin flip exchange scattering, an incident electron of a given spin occupies an empty state of the target material and an electron of opposite spin is excited and detected.…”

Section: Introductionmentioning

confidence: 99%

“…Consequently SPEELS is a complementary technique to spin-resolved photoemission and inverse photoemission that more directly probe the occupied and unoccupied spin-split band structure respectively. SPEELS studies have been done using unpolarized electron sources with scattered electron spin detection [1], with spin-polarized sources without scattered electron spin detection [2,3], and with both spin-polarized sources and scattered electron spin detection [4][5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

“…In general, these studies report rather broad featureless data in both energy and angle dependence, and this has been attributed to nonconservation of the perpendicular momentum component in the scattering process [7], nonuniform exchange splitting throughout the Brillouin zone [2], and umklapp scattering together with the structure of interband densities of Stoner states in the material [10]. Only in the study of Cr 2 O 3 [11] and bcc Co/GaAs(001) [3] are sharp loss features reported.…”

Section: Introductionmentioning

confidence: 99%

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Spin-polarized electron energy loss spectroscopy on Fe(100) thin films grown on Ag(100)

Komesu¹,

Waddill²,

Tobin³

2006

J. Phys.: Condens. Matter

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We report sharp spin-dependent energy loss features in electron scattering from bcc Fe(100) thin films grown on Ag(100). Majority spin features are observed at ~1.8 and 2.5 eV energy loss, and a minority spin feature is observed at ~2.0 eV energy loss. The majority spin peaks are attributed to spin-flip exchange scattering from the Fe films, with the lowest energy feature corresponding to the exchange splitting for the Fe. The minority spin peak is attributed to non-flip exchange scattering with an energy corresponding to the separation between occupied and unoccupied minority spin bands.

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“…Their properties have been investigated extensively during the last 20 years by spin polarized electron energy loss spectroscopy (SPEELS) [3][4][5][6]. However, no evidence for spin waves was found in the experimental SPEEL spectra until recently a spinwave signature has been observed by SPEELS in 5 ML Fe on W(1 1 0) [7].…”

mentioning

confidence: 98%