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Spin-polarized scanning tunneling spectroscopy study of Fe nanomagnets on W(001)

Yamasaki, A.; Wulfhekel, W.; Hertel, R.; Suga, S.; Kirschner, J.

We have studied the magnetic states of self-organized Fe islands on W(001) by means of spin-polarized scanning tunneling spectroscopy (Sp-STS). Single-domain and vortex states in the nanoscale islands have been observed. The high-resolution magnetic images enable to experimentally determine the boundary between the single-domain and vortex states. The single-domain state was always found below a thickness of 6 nm and a diameter of 120 nm in Fe islands. The boundary directly observed with Sp-STS is consistent with theoretical predictions. (C) 2004 American Institute of Physics.

Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2004
Sprache Englisch
Identifikator DOI: 10.1063/1.1687276
ISSN: 0021-8979
KITopen ID: 1000053866
Erschienen in Journal of Applied Physics
Band 95
Heft 11
Seiten 7025-7027
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