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Céspedes, Eva
Instituto de Ciencia de Materiales de Madrid
in Cooperation with on an Cooperation-Score of 37%
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Publications (5/5 displayed)
- 2024New insights into the magnetism and magnetic structure of LuCrO<sub>3</sub> perovskitecitations
- 2024Superconducting nitridized-aluminum thin filmscitations
- 2023First spectral emissivity study of a solar selective coating in the 150–600 1C temperature range
- 2014Evidence of oxygen ferromagnetism in ZnO based materialscitations
- 2013First spectral emissivity study of a solar selective coating in the150–600 ºC temperature rangecitations
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article
Superconducting nitridized-aluminum thin films
Abstract
We report the direct observation of superconductivity in nitridized-aluminum thin films. The films are produced by sputtering deposition of aluminum in a controlled mixture of nitrogen diluted in argon. The concentration of applied nitrogen directly determines the properties of the superconducting thin films. We observe samples displaying critical temperatures up to 3.38 ± 0.01 K and resilience to in-plane magnetic fields well above 1 T, with good reproducibility of the results. This work represents an unambiguous demonstration of tunable superconductivity in aluminum-based nitridized thin films. Our results put forward nitridized aluminum as a promising material to be employed in superconducting quantum circuits for quantum technology applications.