Marco Maicas

Prof. Marco Maicas

Universidad Politécnica de Madrid
orcid

Research Focus & Metrics

Academic Career Length

35Years (1992-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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6 March 2017 in Chemphyschem
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Journal Article
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AKAlexander Kanitz
Alexander Kanitz
JHJan S. Hoppius
Jan S. Hoppius
MSMaría del Mar Sanz
María del Mar Sanz
MMMarco Maicas
Marco Maicas
AOAndreas Ostendorf
Andreas Ostendorf
EGEvgeny Gurevich
Evgeny Gurevich

31 August 2010 in Physical Review B
Verified
Journal Article
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JAJohanna Akerman
Johanna Akerman
MMManuel Muñoz
Manuel Muñoz
MMMarco Maicas
Marco Maicas
JPJosé L. Prieto
José L. Prieto
This study explores experimentally the stochastic nature of the domain wall depinning in permalloy nanowires using notches of various shapes and depths. The presence of the domain wall in the notch is detected through its anisotropic magnetoresistance (AMR), which is measured with high precision in order to detect even small changes in the domain wall profile. These measurements showed that variations in the depinning field are related with changes, sometimes very small, in the AMR profile, which indicates that small changes in the pinned domain wall profile can affect largely the depinning process. As these small changes are many times unpredictable and uncontrollable, the stochastic nature of the depinning could have negative consequences for practical applications based on permalloy nanowires.

15 October 2010 in Journal of Applied Physics
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Journal Article
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JCJosé Caridad
José Caridad
FRF. Rossella
F. Rossella
VBVittorio Bellani
Vittorio Bellani
MMMarco Maicas
Marco Maicas
MPM. Patrini
M. Patrini
EDEnrique Diez
Enrique Diez
We investigated the inhomogeneities in the charge density of unintentionally doped graphene on SiO2 prepared by mechanical exfoliation. From the analysis of the G, D, and 2D phonon modes of the Raman spectra after displacing contaminants on graphene surface, and measuring the separation monolayer-substrate distance among zones with different doping levels, we deduce that the interaction with the substrate is the main cause of doping in graphene rather than particle contamination. In particular, we show how graphene doping levels vary within the same flake depending on the distance between graphene and the substrate.

1 November 2010 in Journal of Magnetism and Magnetic Materials
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Journal Article
Closed access
MMMarco Maicas
Marco Maicas
MSM. Sanz
M. Sanz
HCH. Cui
H. Cui
CAC. Aroca
C. Aroca
PSP. Sánchez
P. Sánchez

15 October 2011 in Journal of Applied Physics
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Journal Article
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MRM. Romera
M. Romera
RRRocio Ranchal
Rocio Ranchal
DCD. Ciudad
D. Ciudad
MMMarco Maicas
Marco Maicas
CAC. Aroca
C. Aroca
In this work, we report the magnetic properties of sputtered Permalloy (Py: Ni80Fe20)/molybdenum (Mo) multilayer thin films. We show that it is possible to maintain a low coercivity and a high permeability in thick sputtered Py films when reducing the out-of-plane component of the anisotropy by inserting thin film spacers of a non-magnetic material like Mo. For these kind of multilayers, we have found coercivities which are close to those for single layer films with no out-of-plane anisotropy. The coercivity is also dependent on the number of layers exhibiting a minimum value when each single Py layer has a thickness close to the transition thickness between Neel and Bloch domain walls.

1 January 2003 in Journal of Magnetism and Magnetic Materials
Verified
Journal Article
Closed access
MRM.A. Rivero
M.A. Rivero
MMMarco Maicas
Marco Maicas
ELE. López
E. López
CAC. Aroca
C. Aroca
MSM.C. Sánchez
M.C. Sánchez
PSP. Sánchez
P. Sánchez