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Magnetoelastic Humidity Sensors with TiO Nanotube Sensing Layers. | LitMetric

Magnetoelastic Humidity Sensors with TiO Nanotube Sensing Layers.

Sensors (Basel)

Physics Department, Faculty of Science, Inonu University, 44280 Malatya, Turkey.

Published: January 2020

In this study, TiO nanotubes (TiO-NTs) are coated with a drop-casting method on FeNiMoB amorphous ferromagnetic ribbons and the humidity response of the prepared magnetoelastic sensors (MES) is investigated. The synthesis of TiO-NTs is performed using a hydrothermal process. Sample characterization is carried out using X-ray diffraction and scanning electron microscopy. The results show that the sensors can measure moisture values in the range of 5% to 95% with very high precision and very low hysteresis. The humidity variation between 5% and 95% shows a change in the sensor resonance frequency of ~3180 Hz, which is a significant change compared to many magnetoelastic humidity sensors developed so far.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7014451PMC
http://dx.doi.org/10.3390/s20020425DOI Listing

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