Two dimensional superconducting behavior of Hg0.7Cr0.3Sr2CuO4+δ

Jae Hyuk Choi, Mun Seog Kim, Sung Ik Lee, Su Young Lee, In Sang Yang, J. V. Yakhmi, J. B. Mandal, B. Bandyopadhyay, B. Ghosh

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We have measured magnetization of grain-aligned Hg0.7Cr0.3Sr2CuO4+δ high-Tcsuperconductors with high magnetic fields perpendicular to the CuO2 planes. Analyses based on fluctuation magnetization models show that this compound has a highly two-dimensional character, or weak coupling between the CuO2 planes. This is against the previous belief of stronger flux pinning due to a shorter interlayer distance in this compound than in the pristine HgBa2CuO4+δ. The highly two-dimensional character is also confirmed by the good 2D scaling behavior of high-field magnetization around Tc(H).

Original languageEnglish
Pages (from-to)2001-2002
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume282
Issue numberPART 4
DOIs
StatePublished - Aug 1997

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