F Meier et al 2007 J. Phys. D: Appl. Phys. 40 1306 doi:10.1088/0022-3727/40/5/S18
F Meier1, K von Bergmann, J Wiebe, M Bode and R Wiesendanger
Show affiliationsSpin-resolved scanning tunnelling microscopy measurements were performed for Co double-layer nanostructures on Pt(1 1 1). High-resolution spectroscopy shows that the electronic structure is highly inhomogeneous due to dislocations induced by the lattice mismatch between Pt and Co. Spin-polarized measurements allow a magnetic state dependent determination of out-of-plane magnetized islands. In the presence of external fields we have observed two different types of Co double-layer islands which exhibit a surprisingly large coercivity depending on their preparation.
61.46.-w Structure of nanoscale materials
75.75.+a Magnetic properties of nanostructures
68.37.Ef Scanning tunneling microscopy (including chemistry induced with STM)
75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects
Condensed matter: electrical, magnetic and optical
Issue 5 (7 March 2007)
Received 6 September 2006, in final form 27 November 2006
Published 16 February 2007
F Meier et al 2007 J. Phys. D: Appl. Phys. 40 1306
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