Antiferromagnetic metallic state in the heavily doped region of perovskite manganites

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

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138 Citations (Scopus)


Comprehensive study on electronic and magnetic properties has been performed for doped manganite near the phase boundary of the antiferromagnetic metallic (AFM) state, with changing the nominal hole concentration x and the one-electron bandwidth W. In La1-xSrxMnO3 with maximal W, the ferromagnetic metallic ground state in the low-x region is replaced by the AFM state beyond x=0.54. On the other hand, the charge-ordered insulating (COI) state appears atx∼0.5 for Nd1-xSrxMnOx with reduced W. The COI ground state is overwhelmed by the AFM state with further increasing x (≥0.54) or W. These competitions of the AFM state with the alternative ground states suggest that the AFM state is a fundamental ground state for doped manganites.

Original languageEnglish
Pages (from-to)5544-5549
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number9
Publication statusPublished - 1998 Sep 1

ASJC Scopus subject areas

  • Condensed Matter Physics


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