Optimum carrier density for the occurrence of superconductivity of InN

T. Inushima, N. Kato, Y. Sasaki, T. Takenobu, M. Motokawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)

Abstract

We found that there is an optimum carrier density of InN for the occurrence of superconductivity. When the carrier density is within the range of 1 × 10 19cm -3 to 7×10 20cm -3, InN shows anisotropic superconductivity. The maximum transition temperature is 2.8 K and the maximum upper and lower critical fields are 2.1 T and 0.9 T, respectively. The involvement of a tetragonal In phase decreases the electron mobility and reduces the transition temperature, and moreover too much involvement destructs the superconductivity of InN.

Original languageEnglish
Title of host publicationPhysica Status Solidi C: Conferences
Pages2271-2275
Number of pages5
Volume2
Edition7
DOIs
Publication statusPublished - 2005
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics

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