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Non-linear GMI decoding in 3D printed magnetic encoded systems
(Elsevier, 2023)
Artículo / Artikulua,
The nonlinear giant magnetoimpedance (GMI) effect was explored as a highly sensitive sensing technology in 3D-printed magnetic encoded systems. Magnetic nanoparticles with low (magnetite, Fe3O4) and high (Co ferrite, ...
Monitoring structural transformations in metamagnetic shape memory alloys by non-contact GMI technology
(IOP Publishing, 2023)
Artículo / Artikulua,
Different applications based on metamagnetic shape memory alloy (MSMA) require monitoring the evolution of the martensitic transformation (MT) to optimize the actuation mechanism. To avoid interaction with the active ...
Analog lock-in amplifier design using subsampling for accuracy enhancement in GMI sensor applications
(MDPI, 2023)
Artículo / Artikulua,
A frequency downscaling technique for enhancing the accuracy of analog lock-in amplifier
(LIA) architectures in giant magneto-impedance (GMI) sensor applications is presented in this
paper. As a proof of concept, the ...
Influence of the geometry on the performance of GMI in meander configuration
(Elsevier, 2022)
Artículo / Artikulua,
The effect of geometry on Giant Magnetoimpedance effect (GMI) in a meander structure composed of three amorphous magnetic ribbons ((Co0.94 Fe0.06)72,5 Si12.5 B15; 20 mm length) connected electrically in series is analyzed. ...
Glutathione-magnetite nanoparticles: synthesis and physical characterization for application as MRI contrast agent
(Springer, 2020)
Artículo / Artikulua,
In this work a one-pot synthesis of water soluble glutathione capped magnetite nanoparticles is reported. The magnetic characterization of the samples shows the expected superparamagnetic behavior, but a wide range of ...
Contactless magnetic nanoparticle detection platform based on non-linear GMI effect
(Elsevier, 2021)
info:eu-repo/semantics/article,
A detection platform based on non-linear Giant Magnetoimpedance Effect was analyzed for the design of a contactless and low-cost detector of magnetic nanoparticles. The sensor consists of two soft magnetic amorphous wires ...
Tailoring the structural and magnetic properties of Co-Zn nanosized ferrites for hyperthermia applications
(Elsevier, 2018)
info:eu-repo/semantics/article,
A comparative study of the magnetic properties (magnetic moment, magnetocrystalline anisotropy) and hyperthermia response in Co-Zn spinel nanoparticles is presented. The CoxZn1-xFe2O4 nanoparticles (x = 1, 0.5, 0.4, 0.3, ...
Micrometric non-contact position magnetoimpedance sensor
(Elsevier, 2018)
info:eu-repo/semantics/article,
In this work a sensitive micrometric non-contact position sensor based on the Giant MagnetoImpedance effect (GMI) is analyzed. A nearly zero magnetostrictive CoFeSiBCr wire was employed as sensor nucleus. The sensing ...
Thrust actuator with passive restoration force for wide gap magnetic bearings
(Elsevier, 2019)
info:eu-repo/semantics/article,
Active thrust magnetic bearings provide an axial force to balance the moving parts of machines. However, most devices produce null or unbalancing passive forces. Furthermore, reported designs usually feature very small ...
Study of optical fiber sensors for cryogenic temperature measurements
(MDPI, 2017)
info:eu-repo/semantics/article,
In this work, the performance of five different fiber optic sensors at cryogenic temperatures
has been analyzed. A photonic crystal fiber Fabry-Pérot interferometer, two Sagnac interferometers,
a commercial fiber Bragg ...