As-grown superconducting MgB2 thin films prepared by molecular beam epitaxy

Kenji Ueda; Michio Naito

doi:10.1063/1.1405421

As-grown superconducting MgB₂ thin films prepared by molecular beam epitaxy

Kenji Ueda^*, Michio Naito

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

184 Citations (Scopus)

Abstract

Superconducting thin films of magnesium diboride (MgB₂) were prepared on various substrates [SrTiO₃ (001), sapphire R, sapphire C and Si (111)] by molecular beam epitaxy. The growth temperature was examined in the ambient to 650 °C. Only films formed at temperatures between 150 and 320 °C showed superconductivity. The best T^onset_C of 36 K with a sharp transition width of ∼1 K was observed. The T_C of the as-grown superconducting MgB₂ thin films is close to the bulk value.

Original language	English
Pages (from-to)	2046-2048
Number of pages	3
Journal	Applied Physics Letters
Volume	79
Issue number	13
DOIs	https://doi.org/10.1063/1.1405421
Publication status	Published - 2001 Sept 24
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "Superconducting thin films of magnesium diboride (MgB2) were prepared on various substrates [SrTiO3 (001), sapphire R, sapphire C and Si (111)] by molecular beam epitaxy. The growth temperature was examined in the ambient to 650 °C. Only films formed at temperatures between 150 and 320 °C showed superconductivity. The best TonsetC of 36 K with a sharp transition width of ∼1 K was observed. The TC of the as-grown superconducting MgB2 thin films is close to the bulk value.",

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AB - Superconducting thin films of magnesium diboride (MgB2) were prepared on various substrates [SrTiO3 (001), sapphire R, sapphire C and Si (111)] by molecular beam epitaxy. The growth temperature was examined in the ambient to 650 °C. Only films formed at temperatures between 150 and 320 °C showed superconductivity. The best TonsetC of 36 K with a sharp transition width of ∼1 K was observed. The TC of the as-grown superconducting MgB2 thin films is close to the bulk value.

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As-grown superconducting MgB₂ thin films prepared by molecular beam epitaxy

Abstract

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