All Stories

  1. Wattmeter based on tunnel-effect magnetoresistance sensor

    Article • Review of Scientific Instruments, August 2024, American Institute of Physics

    Professor Susana Cardoso Freitas, Rafael Garcia-Gil

  2. Assessment of conduction mechanisms through MgO ultrathin barriers in CoFeB/MgO/CoFeB perpendicular magnetic tunnel junctions

    Article • Frontiers in Human Neuroscience, March 2019, American Institute of Physics

    Professor Susana Cardoso Freitas, Thomas Kämpfe

  3. Carbon nanotube field effect transistor biosensor for the detection of toxins in seawater

    Article • International Journal of Environmental & Analytical Chemistry, May 2017, Taylor & Francis

    Professor Susana Cardoso Freitas, Ana Cristina Freitas, Professor Armando da Costa Duarte

  4. Interference-blind microfluidic sensor for ascorbic acid determination by UV/vis spectroscopy

    Article • Sensors and Actuators B Chemical, March 2016, Elsevier

    Professor Susana Cardoso Freitas

  5. Label-free disposable immunosensor for detection of atrazine

    Article • Talanta, January 2016, Elsevier

    Professor Susana Cardoso Freitas, Professor Armando da Costa Duarte

  6. Magnetoresistive nanosensors: controlling magnetism at the nanoscale

    Article • Nanotechnology, December 2015, Institute of Physics Publishing

    Professor Susana Cardoso Freitas

  7. Ultra-Compact 100 × 100 μm2 Footprint Hybrid Device with Spin-Valve Nanosensors

    Article • Sensors, December 2015, MDPI AG

    Professor Susana Cardoso Freitas

  8. Integration of Magnetoresistive Sensors With Atomic Force Microscopy Cantilevers for Scanning Magnetoresistance Microscopy Applications

    Article • IEEE Transactions on Magnetics, November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  9. Dynamic Wet Etching of Silicon through Isopropanol Alcohol Evaporation

    Article • Micromachines, October 2015, MDPI AG

    Professor Susana Cardoso Freitas

  10. Linearization strategies for high sensitivity magnetoresistive sensors

    Article • The European Physical Journal Applied Physics, October 2015, EDP Sciences

    Professor Susana Cardoso Freitas

  11. Detecting Antibody-Labeled BCG MNPs Using a Magnetoresistive Biosensor and Magnetic Labeling Technique

    Article • Journal of Nano Research, October 2015, Trans Tech Publications

    Professor Susana Cardoso Freitas, Teresa Barroso

  12. Detecting Antibody-Labeled BCG MNPs Using a Magnetoresistive Biosensor and Magnetic Labeling Technique

    Article • Journal of Nano Research, July 2015, Trans Tech Publications

    Professor Susana Cardoso Freitas, Teresa Barroso

  13. Primary hyperparathyroidism presented as humeral brown tumor and multiple bone fractures

    Article • Endocrine Abstracts, May 2015, Bioscientifica

    Professor Susana Cardoso Freitas

  14. Magnetic Microfluidic Platform for Biomedical Applications Using Magnetic Nanoparticles

    Article • Key Engineering Materials, May 2015, Trans Tech Publications

    Professor Susana Cardoso Freitas

  15. Bending effect on magnetoresistive silicon probes

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  16. Fabrication and mechanical characterization of flexible devices with sensors with magnetoresistance responses above 150%

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  17. Integration of magnetoresistive sensors with atomic force microscopy cantilevers for scanning magnetoresistance microscopy applications

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  18. Total ionizing dose (TID) evaluation of magnetic tunnel junction (MTJ) current sensors

    Article • Sensors and Actuators A Physical, April 2015, Elsevier

    Professor Susana Cardoso Freitas

  19. Magnetic Counter for Group B Streptococci Detection in Milk

    Article • IEEE Transactions on Magnetics, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  20. Real-Time Monitoring of Magnetic Nanoparticles Diffusion in Lateral Flow Microporous Membrane Using Spin Valve Sensors

    Article • IEEE Transactions on Magnetics, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  21. Strategies for pTesla Field Detection Using Magnetoresistive Sensors With a Soft Pinned Sensing Layer

    Article • IEEE Transactions on Magnetics, January 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  22. Giant Magnetoresistance (GMR) sensors for 0.35µm CMOS technology sub-mA current sensing

    Article • November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrea De Marcellis, Professor Susana Cardoso Freitas, Professor Candid Reig

  23. Dynamical Detection of Magnetic Nanoparticles in Paper Microfluidics With Spin Valve Sensors for Point-of-Care Applications

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  24. Spin Valve Devices With Synthetic-Ferrimagnet Free-Layer Displaying Enhanced Sensitivity for Nanometric Sensors

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  25. Improved Magnetic Tunnel Junctions Design for the Detection of Superficial Defects by Eddy Currents Testing

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  26. Customized Design of Magnetic Beads for Dynamic Magnetoresistive Cytometry

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  27. Nanoscale Magnetic Tunnel Junction Sensing Devices With Soft Pinned Sensing Layer and Low Aspect Ratio

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  28. Microfluidics for the Rapid Detection of Pathogens Using Giant Magnetoresistance Sensors

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  29. Magneto-transport behavior of double exchange magnetic tunnel junction sensors

    Article • November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  30. Impact of wood burning on indoor PM2.5 in a primary school in rural Portugal

    Article • Atmospheric Environment, September 2014, Elsevier

    Professor Susana Cardoso Freitas

  31. Reduction of low frequency magnetic noise by voltage-induced magnetic anisotropy modulation in tunneling magnetoresistance sensors

    Article • Frontiers in Human Neuroscience, August 2014, American Institute of Physics

    Professor Susana Cardoso Freitas

  32. Lab-on-Chip Cytometry Based on Magnetoresistive Sensors for Bacteria Detection in Milk

    Article • Sensors, August 2014, MDPI AG

    Professor Susana Cardoso Freitas

  33. Quasi-digital front-ends for current measurement in integrated circuits with giant magnetoresistance technology

    Article • IET Circuits Devices & Systems, July 2014, the Institution of Engineering and Technology (the IET)

    Professor Candid Reig, Dr Andrea De Marcellis, Professor Susana Cardoso Freitas

  34. Eddy currents testing probe with magneto-resistive sensors and differential measurement

    Article • Sensors and Actuators A Physical, June 2014, Elsevier

    Professor Susana Cardoso Freitas

  35. Linear nanometric tunnel junction sensors with exchange pinned sensing layer

    Article • Journal of Applied Physics, May 2014, American Institute of Physics

    Professor Susana Cardoso Freitas

  36. Relationship of serum TSH with BMI, weight and HOMA-IR in euthyroid obese subjects

    Article • Endocrine Abstracts, April 2014, Bioscientifica

    Professor Susana Cardoso Freitas

  37. Magnetic tunnel junction based eddy current testing probe for detection of surface defects

    Article • Journal of Applied Physics, February 2014, American Institute of Physics

    Professor Susana Cardoso Freitas

  38. An in-depth noise model for giant magnetoresistance current sensors for circuit design and complementary metal–oxide–semiconductor integration

    Article • Journal of Applied Physics, February 2014, American Institute of Physics

    Professor Candid Reig, Professor Susana Cardoso Freitas

  39. MgO-based magnetic tunnel junction sensors array for non-destructive testing applications

    Article • Journal of Applied Physics, February 2014, American Institute of Physics

    Professor Susana Cardoso Freitas

  40. Magnetic tunnel junction sensors with pTesla sensitivity

    Article • Microsystem Technologies, January 2014, Springer Science + Business Media

    Professor Susana Cardoso Freitas

  41. Ordered arrays of tilted silicon nanobelts with enhanced solar hydrogen evolution performance

    Article • Nanoscale, January 2014, Royal Society of Chemistry

    Lifeng Liu, Professor Susana Cardoso Freitas

  42. Fractional Modeling of the AC Large-Signal Frequency Response in Magnetoresistive Current Sensors

    Article • Sensors, December 2013, MDPI AG

    Professor Susana Cardoso Freitas

  43. Magnetic Tunnel Junction (MTJ) sensors for integrated circuits (IC) electric current measurement

    Article • November 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrea De Marcellis, Professor Susana Cardoso Freitas, Professor Candid Reig

  44. IZO deposition by RF and DC sputtering on paper and application on flexible electrochromic devices

    Article • Displays, October 2013, Elsevier

    Professor Susana Cardoso Freitas

  45. Switching Field Variation in MgO Magnetic Tunnel Junction Nanopillars: Experimental Results and Micromagnetic Simulations

    Article • IEEE Transactions on Magnetics, July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  46. MgO Magnetic Tunnel Junction Electrical Current Sensor With Integrated Ru Thermal Sensor

    Article • IEEE Transactions on Magnetics, July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  47. Integration of TMR Sensors in Silicon Microneedles for Magnetic Measurements of Neurons

    Article • IEEE Transactions on Magnetics, July 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  48. Strategies for enhancing the analytical performance of nanomaterial-based sensors

    Article • TrAC Trends in Analytical Chemistry, June 2013, Elsevier

    Professor Susana Cardoso Freitas, Professor Armando da Costa Duarte

  49. Magnetic tunnel junction sensors with pTesla sensitivity for biomedical imaging

    Article • May 2013, SPIE

    Professor Susana Cardoso Freitas

  50. Disposable immunosensors for C-reactive protein based on carbon nanotubes field effect transistors

    Article • Talanta, April 2013, Elsevier

    Professor Susana Cardoso Freitas, Professor Armando da Costa Duarte

  51. Effects of geometry parameters of NTFET devices on the I–V measurements

    Article • Solid-State Electronics, March 2013, Elsevier

    Professor Susana Cardoso Freitas, Professor Armando da Costa Duarte

  52. Measuring brain activity with magnetoresistive sensors integrated in micromachined probe needles

    Article • Applied Physics A, February 2013, Springer Science + Business Media

    Professor Susana Cardoso Freitas

  53. Quasi-digital conversion for resistive devices: Application in GMR-based IC current sensors

    Article • February 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Andrea De Marcellis, Professor Susana Cardoso Freitas, Professor Candid Reig

  54. Giant Magnetoresistance (GMR) Sensors

    Article • January 2013, Springer Science + Business Media

    Professor Susana Cardoso Freitas, Professor Candid Reig

  55. Microfabrication Techniques

    Article • January 2013, Springer Science + Business Media

    Professor Susana Cardoso Freitas, Professor Candid Reig

  56. Magnetoresistive Sensors for Surface Scanning

    Article • January 2013, Springer Science + Business Media

    Professor Susana Cardoso Freitas

  57. Magnetic field sensor with voltage-tunable sensing properties

    Article • Frontiers in Human Neuroscience, November 2012, American Institute of Physics

    Professor Susana Cardoso Freitas

  58. Linearization and Field Detectivity in Magnetic Tunnel Junction Sensors Connected in Series Incorporating 16 nm-Thick NiFe Free Layers

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  59. Field Detection in Spin Valve Sensors Using CoFeB/Ru Synthetic-Antiferromagnetic Multilayers as Magnetic Flux Concentrators

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  60. Electrical Characterization of a Magnetic Tunnel Junction Current Sensor for Industrial Applications

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  61. Integration of Magnetoresistive Biochips on a CMOS Circuit

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  62. Electrical ammeter based on spin-valve sensor

    Article • Review of Scientific Instruments, October 2012, American Institute of Physics

    Professor Susana Cardoso Freitas

  63. GMR sensors and magnetic nanoparticles for immuno-chromatographic assays

    Article • Journal of Magnetism and Magnetic Materials, October 2012, Elsevier

    Professor Susana Cardoso Freitas

  64. Quantitative biomolecular sensing station based on magnetoresistive patterned arrays

    Article • Biosensors and Bioelectronics, May 2012, Elsevier

    Professor Susana Cardoso Freitas

  65. Influence of ion beam assisted deposition parameters on the growth of MgO and CoFeB

    Article • Journal of Applied Physics, March 2012, American Institute of Physics

    Professor Susana Cardoso Freitas

  66. Spintronic platforms for biomedical applications

    Article • Lab on a Chip, January 2012, Royal Society of Chemistry

    Professor Susana Cardoso Freitas

  67. Spectra optical detection of biomolecules using a white light source-based spectrophotometric platform

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  68. Dynamics of the reference layer driven by spin-transfer torque: Analytical versus simulation model

    Article • Journal of Applied Physics, June 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  69. OPTIMIZATION AND INTEGRATION OF MAGNETORESISTIVE SENSORS

    Article • SPIN, June 2011, World Scientific Pub Co Pte Lt

    Professor Susana Cardoso Freitas

  70. Resonant Tunneling through Electronic Trapping States in Thin MgO Magnetic Junctions

    Article • Physical Review Letters, May 2011, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  71. Toward a system to measure action potential on mice brain slices with local magnetoresistive probes

    Article • Journal of Applied Physics, April 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  72. Three dimensional magnetic flux concentrators with improved efficiency for magnetoresistive sensors

    Article • Journal of Applied Physics, April 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  73. Low aspect ratio micron size tunnel magnetoresistance sensors with permanent magnet biasing integrated in the top lead

    Article • Journal of Applied Physics, March 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  74. Angular dependence of exchange bias in Mn80Ir20/Co60Fe20B20 bilayers

    Article • Journal of Applied Physics, March 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  75. Self-powered, hybrid antenna-magnetoresistive sensor for magnetic field detection

    Article • Frontiers in Human Neuroscience, March 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  76. A Non-Invasive Thermal Drift Compensation Technique Applied to a Spin-Valve Magnetoresistive Current Sensor

    Article • Sensors, February 2011, MDPI AG

    Professor Susana Cardoso Freitas

  77. On-chip measurement of the Brownian relaxation frequency of magnetic beads using magnetic tunneling junctions

    Article • Frontiers in Human Neuroscience, February 2011, American Institute of Physics

    Professor Susana Cardoso Freitas

  78. Quasi-static magnetoresistive sensor modeling for current-time conversion circuit applications

    Article • February 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Candid Reig, Professor Susana Cardoso Freitas

  79. A DC behavioral electrical model for quasi-linear spin-valve devices including thermal effects for circuit simulation

    Article • Microelectronics Journal, February 2011, Elsevier

    Professor Candid Reig, Professor Susana Cardoso Freitas

  80. Magnetoresistive chip cytometer

    Article • Lab on a Chip, January 2011, Royal Society of Chemistry

    Professor Susana Cardoso Freitas

  81. Spin Transfer on Low Resistance-Area MgO-Based Magnetic Tunnel Junctions Prepared by Ion Beam Deposition

    Article • IEEE Transactions on Magnetics, June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  82. Challenges and trends in the development of a magnetoresistive biochip portable platform

    Article • Journal of Magnetism and Magnetic Materials, May 2010, Elsevier

    Professor Leonel Sousa, Professor Susana Cardoso Freitas

  83. Full Wheatstone Bridge Spin-Valve Based Sensors for IC Currents Monitoring

    Article • IEEE Sensors Journal, December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Candid Reig, Professor Susana Cardoso Freitas

  84. Magnetoresistive Detection of Magnetic Beads Flowing at High Speed in Microfluidic Channels

    Article • IEEE Transactions on Magnetics, October 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  85. Magnetoresistive biochip-based portable platforms for biomolecular recognition detection

    Article • New Biotechnology, September 2009, Elsevier

    Professor Susana Cardoso Freitas

  86. On-chip magnetoresistive detection of resonance in microcantilevers

    Article • Frontiers in Human Neuroscience, July 2009, American Institute of Physics

    Professor Susana Cardoso Freitas

  87. Bead Capture on Magnetic Sensors in a Microfluidic System

    Article • IEEE Sensors Journal, June 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  88. Low frequency noise in arrays of magnetic tunnel junctions connected in series and parallel

    Article • Journal of Applied Physics, June 2009, American Institute of Physics

    Professor Susana Cardoso Freitas

  89. Femtomolar limit of detection with a magnetoresistive biochip

    Article • Biosensors and Bioelectronics, April 2009, Elsevier

    Professor Susana Cardoso Freitas

  90. Dynamic magnetization properties of a superferromagnetic metal-insulator multilayer observed by magneto-optic Kerr microscopy

    Article • Journal of Applied Physics, April 2009, American Institute of Physics

    Professor Susana Cardoso Freitas

  91. Control of hysteretic behavior in flux concentrators

    Article • Frontiers in Human Neuroscience, February 2009, American Institute of Physics

    Professor Susana Cardoso Freitas

  92. Soft Thin Films for Flux Concentrators

    Article • IEEE Transactions on Magnetics, January 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  93. Electrical Isolators Based on Tunneling Magnetoresistance Technology

    Article • IEEE Transactions on Magnetics, November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Candid Reig, Professor Susana Cardoso Freitas

  94. High Sensitivity Spin Valve Sensors With AF Coupled Flux Guides

    Article • IEEE Transactions on Magnetics, November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  95. Bead capture and release on a magnetic sensor in a microfluidic system

    Article • October 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  96. Linear field amplification for magnetoresistive sensors

    Article • Journal of Applied Physics, May 2008, American Institute of Physics

    Professor Susana Cardoso Freitas

  97. Exchange-biased planar Hall effect sensor optimized for biosensor applications

    Article • Journal of Applied Physics, April 2008, American Institute of Physics

    Professor Susana Cardoso Freitas

  98. Magnetoresistive-based static tester for actuators

    Article • Journal of Applied Physics, April 2008, American Institute of Physics

    Professor Susana Cardoso Freitas

  99. Ion beam assisted deposition of MgO barriers for magnetic tunnel junctions

    Article • Journal of Applied Physics, April 2008, American Institute of Physics

    Professor Susana Cardoso Freitas

  100. Detection of 130nm magnetic particles by a portable electronic platform using spin valve and magnetic tunnel junction sensors

    Article • Journal of Applied Physics, April 2008, American Institute of Physics

    Professor Susana Cardoso Freitas

  101. Magnetic Field Enhancement with Soft Magnetic Flux Guides

    Article • Materials Science Forum, January 2008, Trans Tech Publications

    Professor Susana Cardoso Freitas

  102. Interlayer Coupling and Magnetoresistance of MnIr-Based Spin Valves: Dependencies on Deposition Rate, Spacer Thickness, and Temperature

    Article • IEEE Transactions on Magnetics, July 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  103. Improving Magnetic Field Detection Limits of Spin Valve Sensors Using Magnetic Flux Guide Concentrators

    Article • IEEE Transactions on Magnetics, June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  104. Noise Characteristics and Particle Detection Limits in Diode$+$MTJ Matrix Elements for Biochip Applications

    Article • IEEE Transactions on Magnetics, June 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  105. Overcoming the Dipolar Disorder in Dense CoFe Nanoparticle Ensembles: Superferromagnetism

    Article • Physical Review Letters, April 2007, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  106. Magnetoresistive sensors

    Article • Journal of Physics Condensed Matter, April 2007, Institute of Physics Publishing

    Professor Susana Cardoso Freitas

  107. Interface stability in CoFe and CoFeB based multilayers

    Article • Superlattices and Microstructures, February 2007, Elsevier

    Professor Susana Cardoso Freitas

  108. Measurements and modelling of a magnetoresistive biosensor

    Article • November 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  109. Dynamic Thermomagnetic Writing in Tunnel Junction Cells Incorporating Two GeSbTe Thermal Barriers

    Article • IEEE Transactions on Magnetics, October 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  110. Study of the dynamic magnetic properties of soft CoFeB films

    Article • Journal of Applied Physics, September 2006, American Institute of Physics

    Professor Susana Cardoso Freitas

  111. Modulated magnetization depth profile in dipolarly coupled magnetic multilayers

    Article • Physical Review B, August 2006, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  112. Dynamic thermo-magnetic writing in tunnel junction cells incorporating two GeSbTe thermal barriers

    Article • May 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  113. Collective states of interacting ferromagnetic nanoparticles

    Article • Journal of Magnetism and Magnetic Materials, May 2006, Elsevier

    Professor Susana Cardoso Freitas

  114. Scalable Magnetoresistive Biochips For Biomolecular recognition

    Article • May 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  115. Magnetoresistive DNA chips based on ac field focusing of magnetic labels

    Article • Journal of Applied Physics, April 2006, American Institute of Physics

    Professor Susana Cardoso Freitas

  116. Effect of Anti-Diffusion Oxide Layer on Enhanced Thermal Stability of Magnetic Tunnel Junctions

    Article • Chinese Physics Letters, March 2006, Institute of Physics Publishing

    Professor Susana Cardoso Freitas

  117. Nanocharacterisation of magnetic structures

    Article • Journal of Physics Conference Series, February 2006, Institute of Physics Publishing

    Professor Susana Cardoso Freitas

  118. Nanostructures for Spin Electronics

    Article • January 2006, Springer Science + Business Media

    Professor Susana Cardoso Freitas

  119. Superparamagnetism versus superspin glass behavior in dilute magnetic nanoparticle systems

    Article • Physical Review B, December 2005, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  120. Superferromagnetic domain state of a discontinuous metal insulator multilayer

    Article • Physical Review B, July 2005, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  121. Characterization of CoFeB electrodes for tunnel junctions

    Article • Journal of Applied Physics, May 2005, American Institute of Physics

    Professor Susana Cardoso Freitas

  122. Publisher's Note: Universal and scaled relaxation of interacting magnetic nanoparticles [Phys. Rev. B 70 , 172411 (2004)]

    Article • Physical Review B, December 2004, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  123. Collective magnetic states of ferromagnetic nanoparticles in the superspin limit

    Article • physica status solidi c, December 2004, Wiley

    Professor Susana Cardoso Freitas

  124. Universal and scaled relaxation of interacting magnetic nanoparticles

    Article • Physical Review B, November 2004, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  125. The electronic properties of sputtered chromium and iron oxide films

    Article • Corrosion Science, June 2004, Elsevier

    Professor Susana Cardoso Freitas

  126. Non-equilibrium collective dynamics of a superspin glass

    Article • Journal of Magnetism and Magnetic Materials, May 2004, Elsevier

    Professor Susana Cardoso Freitas

  127. Relaxation and aging of a superferromagnetic domain state

    Article • August 2003, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  128. Superspin-glass nature of discontinuous Co 80 Fe 20 / Al 2 O 3 multilayers

    Article • March 2002, American Physical Society (APS)

    Professor Susana Cardoso Freitas

  129. Superspin Glass Behavior of Interacting Ferromagnetic Nanoparticles in Discontinuous Magnetic Multilayers

    Article • Phase Transitions, January 2002, Taylor & Francis

    Professor Susana Cardoso Freitas

  130. Electrode roughness and interfacial mixing effects on the tunnel junction thermal stability

    Article • Journal of Applied Physics, June 2001, American Institute of Physics

    Professor Susana Cardoso Freitas

  131. Tunnel junctions with AlN barriers and FeTaN electrodes

    Article • Journal of Applied Physics, June 2001, American Institute of Physics

    Professor Susana Cardoso Freitas

  132. Annealing effect of magnetic tunnel junctions with one FeOx layer inserted at the Al2O3/CoFe interface

    Article • Frontiers in Human Neuroscience, May 2001, American Institute of Physics

    Professor Susana Cardoso Freitas

  133. Pulsed sub-band-gap photoexcitation of AlN

    Article • Diamond and Related Materials, March 2001, Elsevier

    Professor Susana Cardoso Freitas

  134. Size dependence of the exchange bias field in NiO/Ni nanostructures

    Article • Frontiers in Human Neuroscience, December 2000, American Institute of Physics

    Professor Susana Cardoso Freitas

  135. Influence of Ta antidiffusion barriers on the thermal stability of tunnel junctions

    Article • Frontiers in Human Neuroscience, June 2000, American Institute of Physics

    Professor Susana Cardoso Freitas

  136. High thermal stability tunnel junctions

    Article • Journal of Applied Physics, May 2000, American Institute of Physics

    Professor Susana Cardoso Freitas

  137. Spin-tunnel-junction thermal stability and interface interdiffusion above 300 °C

    Article • Frontiers in Human Neuroscience, January 2000, American Institute of Physics

    Professor Susana Cardoso Freitas

  138. Spin dependent tunnel junctions for memory and read-head applications

    Article • IEEE Transactions on Magnetics, January 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  139. Performance of dual-stripe giant magnetoresistive heads on tape

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  140. Ion beam deposition and oxidation of spin dependent tunnel junctions

    Article • January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  141. Ion beam deposition and oxidation of spin-dependent tunnel junctions

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  142. Micromagnetic analysis and current biasing of dual-stripe GMR and dual-GMR sensors for high density recording

    Article • IEEE Transactions on Magnetics, July 1998, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  143. Nanotechnology and the Detection of Biomolecular Recognition Using Magnetoresistive Transducers

    Article • Springer Science + Business Media

    Professor Leonel Sousa, Professor Susana Cardoso Freitas

  144. Nanogranular Layered Magnetic Films

    Article • Springer Science + Business Media

    Professor Susana Cardoso Freitas

  145. Low field magnetization in CoFe-Al/sub 2/O/sub 3/ multilayers

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  146. Spin tunnel junctions for memory and read-bead uplications

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  147. Characterization of nano-oxide layers fabricated by ion beam oxidation: application in specular spin-valves and tunnel junctions

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas

  148. Optwization of the magnetoresistive properties of CoFe/AlO discontinuous films

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Susana Cardoso Freitas