Pseudogap closing field of the overdoped Bi1.79Pb 0.37Sr1.86CuO6+δ investigated by the out-of-plane resistivity in pulsed magnetic fields up to 40 T

Kazutaka Kudo, T. Sasaki, E. Ohmichi, T. Osada, N. Okumura, T. Nishizaki, N. Kobayashi

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Abstract

We have measured the out-of-plane resistivity ρc of Pb-doped Bi2201 in strong magnetic fields up to 40 T. ρc measurements in 40 T have confirmed the existence of two kinds of pseudogap, namely the field-insensitive pseudogap PG1 and the sensitive PG2 which have been suggested from previous ρc measurements in 15 T. In the overdoped sample with the superconducting transition temperature Tc 4 K, we have succeeded in the complete suppression of PG2. The temperature dependence of ρcin 40 T has indicated that the nonmetallic ρc(T) appears without PG2 on account of the existence of PG1 and/or the chargeconfinement in the ab-plane.

Original languageEnglish
Article number067
Pages (from-to)291-294
Number of pages4
JournalJournal of Physics: Conference Series
Volume51
Issue number1
DOIs
Publication statusPublished - Dec 1 2006
Externally publishedYes

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closing
electrical resistivity
magnetic fields
transition temperature
retarding
temperature dependence

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Pseudogap closing field of the overdoped Bi1.79Pb 0.37Sr1.86CuO6+δ investigated by the out-of-plane resistivity in pulsed magnetic fields up to 40 T. / Kudo, Kazutaka; Sasaki, T.; Ohmichi, E.; Osada, T.; Okumura, N.; Nishizaki, T.; Kobayashi, N.

In: Journal of Physics: Conference Series, Vol. 51, No. 1, 067, 01.12.2006, p. 291-294.

Research output: Contribution to journalArticle

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AU - Ohmichi, E.

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AU - Okumura, N.

AU - Nishizaki, T.

AU - Kobayashi, N.

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