Optimum carrier density for the occurrence of superconductivity of InN

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

doi:10.1002/pssc.200461388

Optimum carrier density for the occurrence of superconductivity of InN

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

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English
Title of host publication	Physica Status Solidi C: Conferences
Pages	2271-2275
Number of pages	5
Volume	2
Edition	7
DOIs	https://doi.org/10.1002/pssc.200461388
Publication status	Published - 2005
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics

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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.",

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AU - Inushima, T.

AU - Kato, N.

AU - Sasaki, Y.

AU - Takenobu, T.

AU - Motokawa, M.

PY - 2005

Y1 - 2005

N2 - 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.

AB - 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.

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DO - 10.1002/pssc.200461388

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BT - Physica Status Solidi C: Conferences

ER -

Optimum carrier density for the occurrence of superconductivity of InN

Abstract

ASJC Scopus subject areas

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