Browsing Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering by Author "Conde, O."

Now showing items 1-6 of 6

    • Article  

      Current transport and thermoelectric properties of very high power factor Fe3O4/SiO2/p-type Si(001) devices 

      Zervos, Matthew; Viskadourakis, Z.; Athanasopoulos, G.; Flores, R.; Conde, O.; Giapintzakis, John (2014)
      The current transport and thermoelectric properties of Fe3O4/SiO2/p-type Si(001) heterostructures with Fe3O4 thicknesses of 150, 200, and 350 nm have been investigated between 100 and 300K. We observe a sharp drop of the ...
    • Article  

      Magnetic properties of Fe3O4 thin films grown on different substrates by laser ablation 

      Paramês, M. L.; Viskadourakis, Z.; Rogalski, M. S.; Mariano, J.; Popovici, N.; Giapintzakis, John; Conde, O. (2007)
      Magnetite thin films have been grown onto (1 0 0)Si, (1 0 0)GaAs and (0 0 0 1)Al2O3, at substrate temperatures varying from 473 to 673 K, by UV pulsed laser ablation of Fe3O4 targets in reactive atmospheres of O2 and Ar, ...
    • Article  

      Magnetoresistance of magnetite thin films grown by pulsed laser deposition on GaAs(1 0 0) and Al2O3(0 0 0 1) 

      Paramês, M. L.; Viskadourakis, Z.; Giapintzakis, John; Rogalski, M. S.; Conde, O. (2007)
      Magnetotransport properties of magnetite thin films deposited on gallium arsenide and sapphire substrates at growth temperatures between 473 and 673 K are presented. The films were grown by UV pulsed laser ablation in ...
    • Article  

      PLD of Fe3O4 thin films: Influence of background gas on surface morphology and magnetic properties 

      Paramês, M. L.; Mariano, J.; Viskadourakis, Z.; Popovici, N.; Rogalski, M. S.; Giapintzakis, John; Conde, O. (2006)
      Ablation of Fe3O4 targets has been performed using a pulsed UV laser (KrF, λ = 248 nm, 30 ns pulse duration) onto Si(100) substrates, in reactive atmospheres of O2 and/or Ar, with different oxygen partial pressures. The ...
    • Article  

      Recent advances in vacuum sciences and applications 

      Stana-Kleinschek, K.; Mozetič, M.; Ostrikov, K.; Ruzic, D. N.; Curreli, D.; Cvelbar, U.; Vesel, A.; Primc, G.; Leisch, M.; Jousten, K.; Malyshev, O. B.; Hendricks, J. H.; Kövér, L.; Tagliaferro, A.; Conde, O.; Silvestre, A. J.; Giapintzakis, John; Buljan, M.; Radić, N.; Dražić, G.; Bernstorff, S.; Biederman, H.; Kylián, O.; Hanuš, J.; Miloševič, S.; Galtayries, A.; Dietrich, P.; Unger, W.; Lehocky, M.; Sedlarik, V.; Drmota-Petrič, A.; Pireaux, J. J.; Rogers, J. W.; Anderle, M. (2014)
      Recent advances in vacuum sciences and applications are reviewed. Novel optical interferometer cavity devices enable pressure measurements with ppm accuracy. The innovative dynamic vacuum standard allows for pressure ...
    • Article  

      Very high thermoelectric power factor in a Fe3O4/SiO2/p-type Si(100) heterostructure 

      Viskadourakis, Z.; Paramês, M. L.; Conde, O.; Zervos, Matthew; Giapintzakis, John (2012)
      The thermoelectric and transport properties of a Fe3O4/SiO2/p-Si(100) heterostructure have been investigated between 100 and 300 K. Both Hall and Seebeck coefficients change sign from negative to positive with increasing ...