Antiferromagnetic metallic state in doped manganites

T. Akimoto, Y. Maruyama, Y. Moritomo, A. Nakamura, K. Hirota, K. Ohoyama, M. Ohashi

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163 Citations (Scopus)

Abstract

Electronic and magnetic properties are systematically investigated for doped manganites R1-xSrxMnO3 (R = La1-zNdz) by changing the nominal hole concentration x and the averaged ionic radius of the perovskite A site (z), or the one-electron bandwidth W. In the heavily doped region (x≥0.50), we observed a layered-type (A-type) antiferromagnetic state with metallic conductivity (p≈4 × 10-4 Ω cm at 5 K for La0.46Sr0.54MnO3). This observation suggests that the antiferromagnetic metallic (AFM) state is the alternative ground state for doped manganites, besides the ferromagnetic metallic (FM) state.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume57
Issue number10
Publication statusPublished - 1998 Mar 1

ASJC Scopus subject areas

  • Condensed Matter Physics

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