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Sensors 2009, 9(10), 7919-7942; doi:10.3390/s91007919

Magnetic Field Sensors Based on Giant Magnetoresistance (GMR) Technology: Applications in Electrical Current Sensing

Department of Electronic Engineering, Universitat de València, C. Dr. Moliner, 50, Burjassot, Spain
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Author to whom correspondence should be addressed.
Received: 15 September 2009 / Revised: 25 September 2009 / Accepted: 29 September 2009 / Published: 12 October 2009
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain)

Abstract

The 2007 Nobel Prize in Physics can be understood as a global recognition to the rapid development of the Giant Magnetoresistance (GMR), from both the physics and engineering points of view. Behind the utilization of GMR structures as read heads for massive storage magnetic hard disks, important applications as solid state magnetic sensors have emerged. Low cost, compatibility with standard CMOS technologies and high sensitivity are common advantages of these sensors. This way, they have been successfully applied in a lot different environments. In this work, we are trying to collect the Spanish contributions to the progress of the research related to the GMR based sensors covering, among other subjects, the applications, the sensor design, the modelling and the electronic interfaces, focusing on electrical current sensing applications.
Keywords: physical sensors; magnetic field sensors; giant magnetoresistance; current sensors physical sensors; magnetic field sensors; giant magnetoresistance; current sensors
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Reig, C.; Cubells-Beltrán, M.-D.; Ramírez Muñoz, D. Magnetic Field Sensors Based on Giant Magnetoresistance (GMR) Technology: Applications in Electrical Current Sensing. Sensors 2009, 9, 7919-7942.

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