Evidence for fully gapped superconductivity from microwave penetration depth measurements in PrFeAsO1-y single crystals

K. Hashimoto; T. Shibauchi; T. Kato; K. Ikada; R. Okazaki; H. Shishido; M. Ishikado; H. Kito; A. Iyo; H. Eisaki; S. Shamoto; Y. Matsuda

doi:10.1143/JPSJS.77SC.145

Evidence for fully gapped superconductivity from microwave penetration depth measurements in PrFeAsO_1-y single crystals

K. Hashimoto, T. Shibauchi, T. Kato, K. Ikada, R. Okazaki, H. Shishido, M. Ishikado, H. Kito, A. Iyo, H. Eisaki, S. Shamoto, Y. Matsuda

Department of Physics

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

4 Citations (Scopus)

Abstract

By using a sensitive superconducting cavity resonator, we measure the temperature dependence of in-plane microwave penetration depth λ_ab in underdoped single crystals of the iron-pnictide superconductor PrFeAsO_1?y (T_c ∼ 35 K). At low temperatures, λ_ab(T ) shows very flat temperature dependence, which indicates that the superconducting gap function Δ(k) is non-zero all over the Fermi surface.

Original language	English
Pages (from-to)	145-146
Number of pages	2
Journal	Journal of the Physical Society of Japan
Volume	77
Issue number	SUPPL. C
DOIs	https://doi.org/10.1143/JPSJS.77SC.145
Publication status	Published - 2008

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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Hashimoto, K., Shibauchi, T., Kato, T., Ikada, K., Okazaki, R., Shishido, H., Ishikado, M., Kito, H., Iyo, A., Eisaki, H., Shamoto, S., & Matsuda, Y. (2008). Evidence for fully gapped superconductivity from microwave penetration depth measurements in PrFeAsO_1-y single crystals. Journal of the Physical Society of Japan, 77(SUPPL. C), 145-146. https://doi.org/10.1143/JPSJS.77SC.145

Hashimoto, K. ; Shibauchi, T. ; Kato, T. ; Ikada, K. ; Okazaki, R. ; Shishido, H. ; Ishikado, M. ; Kito, H. ; Iyo, A. ; Eisaki, H. ; Shamoto, S. ; Matsuda, Y. / Evidence for fully gapped superconductivity from microwave penetration depth measurements in PrFeAsO_1-y single crystals. In: Journal of the Physical Society of Japan. 2008 ; Vol. 77, No. SUPPL. C. pp. 145-146.

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abstract = "By using a sensitive superconducting cavity resonator, we measure the temperature dependence of in-plane microwave penetration depth λab in underdoped single crystals of the iron-pnictide superconductor PrFeAsO1?y (Tc ∼ 35 K). At low temperatures, λab(T ) shows very flat temperature dependence, which indicates that the superconducting gap function Δ(k) is non-zero all over the Fermi surface.",

author = "K. Hashimoto and T. Shibauchi and T. Kato and K. Ikada and R. Okazaki and H. Shishido and M. Ishikado and H. Kito and A. Iyo and H. Eisaki and S. Shamoto and Y. Matsuda",

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Hashimoto, K, Shibauchi, T, Kato, T, Ikada, K, Okazaki, R, Shishido, H, Ishikado, M, Kito, H, Iyo, A, Eisaki, H, Shamoto, S & Matsuda, Y 2008, 'Evidence for fully gapped superconductivity from microwave penetration depth measurements in PrFeAsO_1-y single crystals', Journal of the Physical Society of Japan, vol. 77, no. SUPPL. C, pp. 145-146. https://doi.org/10.1143/JPSJS.77SC.145

Evidence for fully gapped superconductivity from microwave penetration depth measurements in PrFeAsO_1-y single crystals. / Hashimoto, K.; Shibauchi, T.; Kato, T.; Ikada, K.; Okazaki, R.; Shishido, H.; Ishikado, M.; Kito, H.; Iyo, A.; Eisaki, H.; Shamoto, S.; Matsuda, Y.

In: Journal of the Physical Society of Japan, Vol. 77, No. SUPPL. C, 2008, p. 145-146.

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

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AU - Shibauchi, T.

AU - Kato, T.

AU - Ikada, K.

AU - Okazaki, R.

AU - Shishido, H.

AU - Ishikado, M.

AU - Kito, H.

AU - Iyo, A.

AU - Eisaki, H.

AU - Shamoto, S.

AU - Matsuda, Y.

PY - 2008

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AB - By using a sensitive superconducting cavity resonator, we measure the temperature dependence of in-plane microwave penetration depth λab in underdoped single crystals of the iron-pnictide superconductor PrFeAsO1?y (Tc ∼ 35 K). At low temperatures, λab(T ) shows very flat temperature dependence, which indicates that the superconducting gap function Δ(k) is non-zero all over the Fermi surface.

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