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Demystifying the growth of superconducting Sr2RuO4 thin films

Authors :
Hari P. Nair
Jacob P. Ruf
Nathaniel J. Schreiber
Ludi Miao
Morgan L. Grandon
David J. Baek
Berit H. Goodge
Jacob P. C. Ruff
Lena F. Kourkoutis
Kyle M. Shen
Darrell G. Schlom
Source :
APL Materials, Vol 6, Iss 10, Pp 101108-101108-8 (2018)
Publication Year :
2018
Publisher :
AIP Publishing LLC, 2018.

Abstract

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.

Details

Language :
English
ISSN :
2166532X
Volume :
6
Issue :
10
Database :
Directory of Open Access Journals
Journal :
APL Materials
Publication Type :
Academic Journal
Accession number :
edsdoj.9d7ba77f20f04fe0b7f550b025142bf4
Document Type :
article
Full Text :
https://doi.org/10.1063/1.5053084