Paulo P. Freitas

According to our database, Paulo P. Freitas authored at least 37 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Characterization of Magnetoresistive Shunts and Its Sensitivity Temperature Compensation.

Diego Ramírez Muñoz, Rafael García-Gil, Susana Cardoso, Paulo P. Freitas

Sensors, May, 2024

2023

Dependence of Sensitivity, Derivative of Transfer Curve and Current on Bias Voltage Magnitude and Polarity in Tunneling Magnetoresistance Sensors.

Lukasz Fusnik, Bartlomiej Szafraniak, Jerzy Wrona, Susana Cardoso, Paulo P. Freitas, Piotr Wisniowski

Sensors, February, 2023

A Lab-on-a-Chip Approach for the Detection of the Quarantine Potato Cyst Nematode Globodera pallida.

Maria João Camacho, Débora Albuquerque, Eugénia de Andrade, Verónica C. Martins, Maria L. Inácio, Manuel Mota, Paulo P. Freitas

Sensors, January, 2023

2021

Bias Voltage Dependence of Sensing Characteristics in Tunneling Magnetoresistance Sensors.

Piotr Wisniowski, Maciej J. Nawrocki, Jerzy Wrona, Susana Cardoso, Paulo P. Freitas

Sensors, 2021

2020

Spintronic Sensors Based on Magnetic Tunnel Junctions for Wireless Eye Movement Gesture Control.

Asfand Tanwear, Xiangpeng Liang, Yuchi Liu, Aleksandra Vuckovic, Rami Ghannam, Tim Böhnert, Elvira Paz, Paulo P. Freitas, Ricardo Ferreira, Hadi Heidari

IEEE Trans. Biomed. Circuits Syst., 2020

Integrated Pico-Tesla Resolution Magnetoresistive Sensors for Miniaturised Magnetomyography.

Siming Zuo, Kianoush Nazarpour, Tim Böhnert, Elvira Paz, Paulo P. Freitas, Ricardo Ferreira, Hadi Heidari

Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society, 2020

2019

High-Resolution Nondestructive Test Probes Based on Magnetoresistive Sensors.

Diogo Miguel Caetano, Taimur Gibran Rabuske, Jorge R. Fernandes, Matthias Pelkner, Claude Fermon, Susana Cardoso, Belen Ribes, Fernando Franco, Johannes Paul, Moisés Simões Piedade, Paulo P. Freitas

IEEE Trans. Ind. Electron., 2019

2018

3D Magnetic Field Reconstruction Methodology Based on a Scanning Magnetoresistive Probe.

Filipe Richheimer, Margaret Costa, Diana Leitao, João Gaspar, Susana Cardoso, Paulo P. Freitas

Sensors, 2018

Hybrid GMR Sensor Detecting 950 pT/sqrt(Hz) at 1 Hz and Room Temperature.

André Guedes, Rita Macedo, Gerardo Jaramillo, Susana Cardoso, Paulo P. Freitas, David A. Horsley

Sensors, 2018

2017

A CMOS Front-End With Integrated Magnetoresistive Sensors for Biomolecular Recognition Detection Applications.

Tiago L. Costa, Filipe Arroyo Cardoso, José A. Germano, Paulo P. Freitas, Moisés Simões Piedade

IEEE Trans. Biomed. Circuits Syst., 2017

Towards high-resolution scanning magnetoresistance microscopy.

Margaret Costa, Mohammad Tarequzzaman, Ricardo Ferreira, Susana Cardoso, João Gaspar, Paulo P. Freitas

Proceedings of the 12th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, 2017

2016

Sensitivity and 3 dB Bandwidth in Single and Series-Connected Tunneling Magnetoresistive Sensors.

Michal Dabek, Piotr Wisniowski, Tomasz Stobiecki, Jerzy Wrona, Susana Cardoso, Paulo P. Freitas

Sensors, 2016

Integration of GMR Sensors with Different Technologies.

María-Dolores Cubells-Beltrán, Càndid Reig, Jordi Madrenas, Andrea De Marcellis, Joana Santos, Susana Cardoso, Paulo P. Freitas

Sensors, 2016

Spintronic Sensors.

Paulo P. Freitas, Ricardo Ferreira, Susana Cardoso

Proc. IEEE, 2016

Hybrid Integration of Magnetoresistive Sensors with MEMS as a Strategy to Detect Ultra-Low Magnetic Fields.

João Valadeiro, Susana Cardoso, Rita Macedo, André Guedes, João Gaspar, Paulo P. Freitas

Micromachines, 2016

Ru-Based Thin Film Temperature Sensor for Space Environments: Microfabrication and Characterization under Total Ionizing Dose.

Sergio Iván Ravelo Arias, Diego Ramírez Muñoz, Susana Cardoso, Paulo P. Freitas

J. Sensors, 2016

Design and optimization of a CMOS front-end for magnetoresistive sensor based biomolecular recognition detection.

Tiago L. Costa, José A. Germano, Moisés Simões Piedade, Filipe Arroyo Cardoso, Paulo P. Freitas

Proceedings of the IEEE International Symposium on Circuits and Systems, 2016

2015

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

Diana Leitao, Paulo Coelho, Jérôme Borme, Simon Knudde, Susana Cardoso, Paulo P. Freitas

Sensors, 2015

Sub-mA current measurement by means of GMR sensors and state of the art lock-in amplifiers.

Daniel García-Romeo, Nicolás Medrano, Belén Calvo, Pedro A. Martínez, María-Dolores Cubells-Beltrán, Càndid Reig, Susana Cardoso, Paulo P. Freitas

Proceedings of the IEEE International Conference on Industrial Technology, 2015

2014

A Neuronal Signal Detector for Biologically Generated Magnetic Fields.

Tiago L. Costa, Moisés Simões Piedade, José A. Germano, Jose Amaral, Paulo P. Freitas

IEEE Trans. Instrum. Meas., 2014

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

Ana C. Fernandes, Carla M. Duarte, Filipe Arroyo Cardoso, Ricardo Bexiga, Susana Cardoso, Paulo P. Freitas

Sensors, 2014

Monolithic integration of Giant Magnetoresistance (GMR) devices onto standard processed CMOS dies.

M.-Dolores Cubells-Beltrán, Càndid Reig Escriva, Andrea De Marcellis, E. Figueras, Alberto Yufera, Boris Zadov, Eugene Paperno, Susana Cardoso, Paulo P. Freitas

Microelectron. J., 2014

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

Andrea De Marcellis, M.-Dolores Cubells-Beltrán, Càndid Reig Escriva, Jordi Madrenas, Boris Zadov, Eugene Paperno, Susana Cardoso, Paulo P. Freitas

IET Circuits Devices Syst., 2014

2013

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

Sergio Iván Ravelo Arias, Diego Ramírez Muñoz, Jaime Sánchez Moreno, Susana Cardoso, Ricardo Ferreira, Paulo Jorge Peixeiro de Freitas

Sensors, 2013

An instrumentation system based on magnetoresistive sensors for neuronal signal detection.

Tiago L. Costa, Moisés Simões Piedade, José A. Germano, Jose Amaral, Paulo P. Freitas

Proceedings of the IEEE International Instrumentation and Measurement Technology Conference, 2013

CMOS instrumentation system for matrix-based magnetoresistive biosensors.

Tiago L. Costa, Moisés Simões Piedade, Filipe Arroyo Cardoso, Paulo P. Freitas

Proceedings of the IEEE International Instrumentation and Measurement Technology Conference, 2013

2011

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

Jaime Sánchez Moreno, Diego Ramírez Muñoz, Susana Cardoso, Silvia Casans Berga, Asunción Edith Navarro Antón, Paulo Jorge Peixeiro de Freitas

Sensors, 2011

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

Andrés M. Roldán, Juan Bautista Roldán, Càndid Reig Escriva, M.-Dolores Cubells-Beltrán, Diego Ramírez Muñoz, Susana Cardoso, Paulo P. Freitas

Microelectron. J., 2011

2010

Measuring and Extraction of Biological Information on New Handheld Biochip-Based Microsystem.

Paulo Alexandre Crisóstomo Lopes, José A. Germano, Teresa Mendes de Almeida, Leonel Augusto Sousa, Moisés Simões Piedade, Filipe Arroyo Cardoso, Hugo Alexandre Ferreira, Paulo P. Freitas

IEEE Trans. Instrum. Meas., 2010

On the Modeling of New Tunnel Junction Magnetoresistive Biosensors.

Teresa Mendes de Almeida, Moisés Simões Piedade, Leonel Augusto Sousa, José A. Germano, Paulo Alexandre Crisóstomo Lopes, Filipe Arroyo Cardoso, Paulo P. Freitas

IEEE Trans. Instrum. Meas., 2010

2009

A Portable and Autonomous Magnetic Detection Platform for Biosensing.

José A. Germano, Verónica C. Martins, Filipe Arroyo Cardoso, Teresa Mendes de Almeida, Leonel Sousa, Paulo P. Freitas, Moisés Simões Piedade

Sensors, 2009

2007

A New Handheld Biochip-based Microsystem.

Paulo Alexandre Crisóstomo Lopes, José A. Germano, Teresa Mendes de Almeida, Leonel Sousa, Moisés Simões Piedade, Filipe Arroyo Cardoso, Hugo Alexandre Ferreira, Paulo P. Freitas

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2007), 2007

Generic Architecture Designed for Biomedical Embedded Systems.

Leonel Sousa, Moisés Simões Piedade, José A. Germano, Teresa Mendes de Almeida, Paulo Alexandre Crisóstomo Lopes, Filipe Arroyo Cardoso, Paulo P. Freitas

Proceedings of the Embedded System Design: Topics, Techniques and Trends, IFIP TC10 Working Conference: International Embedded Systems Symposium (IESS), May 30, 2007

2006

A New Hand-Held Microsystem Architecture for Biological Analysis.

Moisés Simões Piedade, Leonel Augusto Sousa, Teresa Mendes de Almeida, José A. Germano, Bertinho Andrade da Costa, João Miranda Lemos, Paulo P. Freitas, Hugo Alexandre Ferreira, Filipe Arroyo Cardoso

IEEE Trans. Circuits Syst. I Regul. Pap., 2006

2004

A novel spin-valve bridge sensor for current sensing.

José Pelegrí-Sebastiá, Diego Ramírez Muñoz, Paulo Jorge Peixeiro de Freitas, Wanjun Ku

IEEE Trans. Instrum. Meas., 2004

1998

Spin-valve tape heads.

Nuno J. Oliveira, Paulo P. Freitas

Proceedings of the 5th IEEE International Conference on Electronics, Circuits and Systems, 1998

Giant magnetoresistive sensors for rotational speed control and current monitoring applications.

Paulo P. Freitas, Fernando B. Silva, Luis V. Melo, Jose L. Costa, Nuno Almeida, J. Bernardo

Proceedings of the 5th IEEE International Conference on Electronics, Circuits and Systems, 1998