Abstract:
We studied the effect of hydrogen in yttrium nanoparticles on a quartz substrate, using optical spectroscopy and electrical resistance measurements. Pulsed laser deposition is used to obtain the Y clusters in an UHV environment. We show, that these clusters are highly sensitive to monoatomic H1 produced from ambient hydrogen gas pressures, ranging from 10-5 to 50 mbar with our experimental arrangement. The changes of optical and electrical properties due to the chemical reaction within the particles are sufficient to consider this material as a possible sensor for low concentrations of hydrogen.
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Received 29 November 2000
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Bour, G., Reinholdt, A., Stepanov, A. et al. Optical and electrical properties of hydrogenated yttrium nanoparticles. Eur. Phys. J. D 16, 219–223 (2001). https://doi.org/10.1007/s100530170096
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DOI: https://doi.org/10.1007/s100530170096