Temperature Dependence of the Surface Anisotropy of Fe Ultrathin Films on Cu(001)

Enders, Axel; Peterka, Darcy S.; Repetto, Diego; Lin, Nian; Dmitriev, Alexandre; Kern, Klaus

doi:10.1103/physrevlett.90.217203

Cited by 35 publications

(18 citation statements)

References 24 publications

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“…We demonstrated, for instance, the close relationship between morphology and domain wall pinning on Fe/ Cu͑001͒ by monitoring magnetic domain propagation directly during film annealing. 14,15 Interface contributions, on the other hand, could be determined in gas adsorption experiments, where spin reorientation transitions have been stimulated without altering the film structure. 16,17 In the present work we pursue another approach to reveal structural dependence of the magnetism, and to separate this effect from Neél-type contributions.…”

Section: Introductionmentioning

confidence: 99%

Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces

et al. 2006

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Ultrathin Fe films on Pt substrates have been investigated under ultrahigh vacuum conditions by scanning tunneling microscopy, low energy electron diffraction, magneto-optical Kerr effect, x-ray magnetic circular dichroism measurements, and Kerr microscopy. We present a comparison between Fe films on flat Pt͑111͒ and stepped Pt͑997͒, with particular focus on the magnetic anisotropy in the submonolayer thickness range below 0.2 monolayer coverage, and above the spin reorientation transition at 3 monolayer thickness. The comparison of structure and magnetism suggests that the perpendicular easy axis found for films thinner than three monolayers is due to dominating contributions from both film interfaces to the anisotropy energy. The Fe-Pt interface contribution has its origin in the hybridization of the Fe 3d with the Pt 5d band. The in-plane magnetic anisotropy above 3 atomic layers film thickness can be correlated directly with peculiarities of the film structure.

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Section: Introductionmentioning

confidence: 99%

Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces

et al. 2006

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“…It causes the Co films to become "soft" magnetic and no effect is found on the coercive field. Theoretically, H c is dependent on the island size of film growth, temperature, and anisotropy energy [23]. The different behaviors of H c at RT and at LT within 0.5 AL of Ag directly reflect the different growth mode of Ag at the two growth temperatures.…”

Section: Resultsmentioning

confidence: 98%

Finding stabilized coercivity in a study of thickness and temperature dependent Co/Ag/Ge(001) ultrathin films

Tsay

Yao

2008

Thin Solid Films

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“…interdiffusion at the interfaces; Co-islands coalescence after thermal treatments; thermaldriven changes of the film structure and the surface film roughness, stress relaxation and etc. Another example of a rather complicated temperature dependence of anisotropy is the temperature-dependent surface anisotropy of Fe ultrathin films on Cu(001) [17]. Here the temperature-dependent reversible and irreversible components of the surface anisotropy constant were experimentally distinguished.…”

Section: Thermodynamical Analysis Of Stripe Domain Structuresmentioning

confidence: 98%

Temperature‐induced changes of domain structures in ultrathin magnetic films

Polyakova

Zablotskii

2006

Phys. Status Solidi (c)

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We describe the thermal-driven evolution of stripe domain structures in ultrathin magnetic films with perpendicular anisotropy. Taking into account temperature dependencies of the film magnetic parameters we analyze possible temperature dependencies of the domain period. It is shown that the film heating leads to a decrease in the domain period. In soft films thermally assisted domain nucleation could provide a continuous decrease of the domain period while the domain structure passes through equilibrium states. On increasing the temperature of a hard film, the domain structure exists as metastable one adjusting its period by a sequence of jumps towards to equilibrium.

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Temperature Dependence of the Surface Anisotropy of Fe Ultrathin Films on Cu(001)

Cited by 35 publications

References 24 publications

Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces

Structure and magnetism of atomically thin Fe layers on flat and vicinal Pt surfaces

Finding stabilized coercivity in a study of thickness and temperature dependent Co/Ag/Ge(001) ultrathin films

Temperature‐induced changes of domain structures in ultrathin magnetic films

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