Coexistence of ferromagnetism and superconductivity in Cu-rich lanthanum Cu-oxides

Bai Ru Zhao, Xiao Li Dong, Peng Shun Luo, Min Gao, Zhong Xian Zhao, Lian Mao Peng, Yong Ming Ni, Xiang Gang Qiu, Satoshi Awaji, Kazuo Watanabe, Fei Wu, Bo Xu, Li Hua Zhao, F. C. Zhang

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We have measured the zero field and field cooled magnetization of the lightly oxygen doped Cu-rich La2CuO4+δ in a wide temperature range (5 K to 350 K). The data together with the evolution of the magnetic hyteresis loop suggest that the ferromagnetism with Curie temperature of 280 K coexists with superconductivity below the transition temperature ∼ 34 K. The coexistence occurs in the hole-rich clusters of size ≤ 150 nm, which are electronic phase separated from the hole-poor antiferromagnetic background.

Original languageEnglish
Pages (from-to)19-23
Number of pages5
JournalEuropean Physical Journal B
Volume25
Issue number1
DOIs
Publication statusPublished - 2002 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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