Partial Oxidation in a Dense Phase Sub-Monolayer of Fe-Phthalocyanine on Ag(110)

E. Bartolomé; Juan Bartolomé; Francesco Sedona; Julia Herrero-Albillos; Jorge Lobo; Marten Piantek; Luis Miguel García; Mirco Panighel; Aitor Mugarza; Mauro Sambi; Fernando Bartolomé

doi:10.4028/www.scientific.net/SSP.257.219

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HomeSolid State PhenomenaSolid State Phenomena Vol. 257Partial Oxidation in a Dense Phase Sub-Monolayer...

Partial Oxidation in a Dense Phase Sub-Monolayer of Fe-Phthalocyanine on Ag(110)

Abstract:

In this contribution we report on the structural and magnetic changes along a catalytic cycle of a new dense, “quasi-squared” FePc submonolayer phase (R3) evaporated on Ag(110). X-ray magnetic circular dichroism (XMCD) experiments at the Fe L_2,3edge were performed on four samples: the as-evaporated phase (R3), two differently oxygenated samples (OX1 and OX2) and the annealed phase (ANN). It is concluded that all characterized phases display planar anisotropy, and the values of m_s^eff/n_h are one order of magnitude larger than m_L/n_h. By oxidation, the isotropic moment increases from 7.2 x 10^-2 m_B/hole to 1.8 x 10^-1 m_B/hole, which is about a factor of 2 smaller than the increase achieved for the low-density phase.

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Periodical:

Solid State Phenomena (Volume 257)

Pages:

219-222

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.257.219

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Online since:

October 2016

Authors:

E. Bartolomé*, Juan Bartolomé, Francesco Sedona, Julia Herrero-Albillos, Jorge Lobo, Marten Piantek, Luis Miguel García, Mirco Panighel, Aitor Mugarza, Mauro Sambi, Fernando Bartolomé

Keywords:

Adsorption on Metal Surface, Molecular Magnetism, Phtalocyanines

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References

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