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The application of Wireless Sensor Networks (WSNs) in underwater environments poses various challenges. One of the most important problems is the limited lifetime of underwater sensor nodes. Considering how challenging and costly it is to change the batteries of sensor nodes in underwater environments, energy harvesting methods are rendered as a promising solution. In this study, the contributions...
The aim of the present paper is to study the influence of the particle size on the properties of BaTiO3 and PbTiO3 materials by means of a NMR and EPR spectroscopy. Mn2+ EPR and 137Ba NMR measurements were performed on BaTiO3 particles with average diameters between 15 nm and 255 nm. Cr3+ EPR spectra were measured on PbTiO3 fine powders with mean particle diameters ranging from 6 nm to 210...
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