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MgB2 ultrathin films fabricated by hybrid physical chemical vapor deposition and ion milling

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Wolak, Matthäus A.
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Tan, Teng
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Lee, Namhoon
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Lang, Andrew C.
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Taheri, Mitra
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Cunnane, Dan
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Karasik, Boris S.
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Xi, X. X.
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Article (Other)
Date
2016-08-29
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Department
Physics
Subject
Electric measurements
 Carbides
 Machining
 Superconducting compounds
 Crystal lattices
 Thin films
 Superconducting devices
 Phonons
 Phase transitions
 Chemical vapor deposition
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http://hdl.handle.net/20.500.12613/20
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Xi-ArticleOther-20160929.pdf
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DOI
https://doi.org/10.1063/1.4961635
Abstract
In this letter, we report on the structural and transport measurements of ultrathin MgB2 films grown by hybrid physical-chemical vapor deposition followed by low incident angle Ar ion milling. The ultrathin films as thin as 1.8 nm, or 6 unit cells, exhibit excellent superconducting properties such as high critical temperature (Tc) and high critical current density (Jc). The results show the great potential of these ultrathin films for superconducting devices and present a possibility to explore superconductivity in MgB2 at the 2D limit.
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Citation
Acharya, N., Wolak, M. A., Tan, T., Lee, N., Lang, A. C., Taheri, M., Cunnane, D., Karasik, B. S., Xi, X. X (2016) MgB2 ultrathin films fabricated by hybrid physical chemical vapor deposition and ion milling. APL Materials 4(8): https://doi.org/10.1063/1.4961635.
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American Institution of Physics
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APL Materials, Vol. 4, Issue 8
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