Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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1.080 Topics available

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977 Locations available

693.932 PEOPLE
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Freitas, Pp

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (7/7 displayed)

  • 2017Bipolar resistive switching in Si/Ag nanostructures16citations
  • 2017Unipolar Nonvolatile Resistive Switching in Pt/MgO/Ta/Ru Structures Deposited by Magnetron Sputtering8citations
  • 2016Femtosecond control of electric currents in metallic ferromagnetic heterostructures224citations
  • 2011Resonant Tunneling through Electronic Trapping States in Thin MgO Magnetic Junctions49citations
  • 2009The effect of pinhole formation/growth on the tunnel magnetoresistance of MgO-based magnetic tunnel junctions24citations
  • 2009Electroforming, magnetic and resistive switching in MgO-based tunnel junctions36citations
  • 2004Peculiar magnetic and electrical properties near structural percolation in metal-insulator granular layers20citations

Places of action

Chart of shared publication
Lv, H.
2 / 3 shared
Cardoso, S.
4 / 10 shared
Aguiar, P.
1 / 1 shared
Ventura, Joao
7 / 38 shared
Picos, R.
1 / 3 shared
Dias, C.
2 / 14 shared
Pereira, J.
1 / 8 shared
Guerra, Lm
1 / 3 shared
Kimel, Av
1 / 2 shared
Mikhaylovskiy, Rv
1 / 2 shared
Mokrousov, Y.
1 / 9 shared
Huisman, Tj
1 / 2 shared
Costa, Jd
1 / 1 shared
Bluegel, S.
1 / 2 shared
Paz, E.
1 / 3 shared
Freimuth, F.
1 / 4 shared
Rasing, T.
1 / 2 shared
Araujo, Jp
4 / 91 shared
Wisniowski, P.
3 / 3 shared
Sousa, Jb
4 / 16 shared
Teixeira, Jm
4 / 8 shared
Carpinteiro, F.
1 / 4 shared
Fermento, R.
1 / 2 shared
Pogorelov, Yg
1 / 10 shared
Santos, Jam
1 / 1 shared
Silva, Rfa
1 / 1 shared
Snoeck, E.
1 / 12 shared
Kakazei, Gn
1 / 8 shared
Chart of publication period
2017
2016
2011
2009
2004

Co-Authors (by relevance)

  • Lv, H.
  • Cardoso, S.
  • Aguiar, P.
  • Ventura, Joao
  • Picos, R.
  • Dias, C.
  • Pereira, J.
  • Guerra, Lm
  • Kimel, Av
  • Mikhaylovskiy, Rv
  • Mokrousov, Y.
  • Huisman, Tj
  • Costa, Jd
  • Bluegel, S.
  • Paz, E.
  • Freimuth, F.
  • Rasing, T.
  • Araujo, Jp
  • Wisniowski, P.
  • Sousa, Jb
  • Teixeira, Jm
  • Carpinteiro, F.
  • Fermento, R.
  • Pogorelov, Yg
  • Santos, Jam
  • Silva, Rfa
  • Snoeck, E.
  • Kakazei, Gn
OrganizationsLocationPeople

article

Femtosecond control of electric currents in metallic ferromagnetic heterostructures

  • Kimel, Av
  • Mikhaylovskiy, Rv
  • Freitas, Pp
  • Mokrousov, Y.
  • Huisman, Tj
  • Costa, Jd
  • Bluegel, S.
  • Ventura, Joao
  • Paz, E.
  • Freimuth, F.
  • Rasing, T.
Abstract

The idea to use not only the charge but also the spin of electrons in the operation of electronic devices has led to the development of spintronics, causing a revolution in how information is stored and processed. A novel advancement would be to develop ultrafast spintronics using femtosecond laser pulses. Employing terahertz (10(12) Hz) emission spectroscopy and exploiting the spin-orbit interaction, we demonstrate the optical generation of electric photocurrents in metallic ferromagnetic heterostructures at the femtosecond timescale. The direction of the photocurrent is controlled by the helicity of the circularly polarized light. These results open up new opportunities for realizing spintronics in the unprecedented terahertz regime and provide new insights in all-optical control of magnetism.

Topics
  • impedance spectroscopy