P. P. Freitas

Top papers

• Opportunities and challenges for spintronics in the microelectronics industry

  B. Diény, Lucian Prejbeanu, Kévin Garello, et al.·2020·Nature Electronics
  ↗ 971
• Magnetoresistive-based biosensors and biochips

  Daniel L. Graham, Hugo Alexandre Ferreira, P. P. Freitas·2004·Trends in biotechnology
  ↗ 431
• Magnetoresistive sensors

  P. P. Freitas, Ricardo Ferreira, Susana Cardoso, et al.·2007·Journal of Physics Condensed Matter
  ↗ 409
• Thermodynamic fluctuations in the superconductor<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Y</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Ba</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Cu</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>9</mml:mn><mml:mi mathvariant="normal">−</mml:mi><mml:mi mathvariant="normal">δ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>: Evidence for three-dimensional superconductivity

  P. P. Freitas, C. C. Tsuei, T. S. Plaskett·1987·Physical review. B, Condensed matter
  ↗ 293
• Femtosecond control of electric currents in metallic ferromagnetic heterostructures

  T. J. Huisman, R. V. Mikhaylovskiy, J. D. Costa, et al.·2016·Nature Nanotechnology
  ↗ 260OA
• Interacting ferromagnetic nanoparticles in discontinuous<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Co</mml:mi></mml:mrow><mml:mrow><mml:mn>80</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Fe</mml:mi></mml:mrow><mml:mrow><mml:mn>20</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mo>/</mml:mo><mml:mi mathvariant="normal">A</mml:mi><mml:mi mathvariant="normal">l</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">O</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>multilayers: From superspin glass to reentrant superferromagnetism

  W. Kleemann, O. Petracic, Ch. Binek, et al.·2001·Physical review. B, Condensed matter
  ↗ 199
• Study of the dynamic magnetic properties of soft CoFeB films

  C. Bilzer, T. Devolder, Joo-Von Kim, et al.·2006·Journal of Applied Physics
  ↗ 196
• Planar Hall effect sensor for magnetic micro- and nanobead detection

  Louise Ejsing, Mikkel Fougt Hansen, Aric K. Menon, et al.·2004·Applied Physics Letters
  ↗ 192OA
• Large tunneling magnetoresistance enhancement by thermal anneal

  R. C. Sousa, J. J. Sun, V. Soares, et al.·1998·Applied Physics Letters
  ↗ 188
• Biodetection using magnetically labeled biomolecules and arrays of spin valve sensors (invited)

  Hugo Alexandre Ferreira, Daniel L. Graham, P. P. Freitas, et al.·2003·Journal of Applied Physics
  ↗ 187
• Single magnetic microsphere placement and detection on-chip using current line designs with integrated spin valve sensors: Biotechnological applications

  Daniel L. Graham, Hugo Alexandre Ferreira, J. Bernardo, et al.·2002·Journal of Applied Physics
  ↗ 179
• Phase Coherent Precessional Magnetization Reversal in Microscopic Spin Valve Elements

  H. W. Schumacher, C. Chappert, P. Crozat, et al.·2003·Physical Review Letters
  ↗ 169OA