Demystifying the growth of superconducting Sr2RuO4 thin films

Demystifying the growth of superconducting Sr2RuO4 thin films

We report the growth of superconducting Sr2RuO4 thin films by molecular-beam epitaxy on (110) NdGaO3 substrates with transition temperatures of up to 1.8 K. We calculate and experimentally validate a thermodynamic growth window for the adsorption-controlled growth of superconducting Sr2RuO4 epitaxia...

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Veröffentlicht in:APL materials 2018-10, Vol.6 (10), p.101108-101108-8
Hauptverfasser: Nair, Hari P., Ruf, Jacob P., Schreiber, Nathaniel J., Miao, Ludi, Grandon, Morgan L., Baek, David J., Goodge, Berit H., Ruff, Jacob P. C., Kourkoutis, Lena F., Shen, Kyle M., Schlom, Darrell G.
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Sprache:eng
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Zusammenfassung:We report the growth of superconducting Sr2RuO4 thin films by molecular-beam epitaxy on (110) NdGaO3 substrates with transition temperatures of up to 1.8 K. We calculate and experimentally validate a thermodynamic growth window for the adsorption-controlled growth of superconducting Sr2RuO4 epitaxial thin films. The growth window for achieving superconducting Sr2RuO4 thin films is narrow in growth temperature, oxidant pressure, and ruthenium-to-strontium flux ratio.
ISSN:2166-532X
2166-532X
DOI:10.1063/1.5053084