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

Kenji Ueda*, Michio Naito

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

185 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)2046-2048
Number of pages3
JournalApplied Physics Letters
Issue number13
Publication statusPublished - 2001 Sept 24
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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