Charge-orbital ordering and ferromagnetic chains in single-layered manganite crystals

T. Kimura, K. Hatsuda, Y. Ueno, R. Kajimoto, H. Mochizuki, H. Yoshizawa, T. Nagai, T. Nagai, Y. Matsui, A. Yamazaki, Y. Tokura

Research output: Contribution to journalArticlepeer-review

47 Citations (Scopus)

Abstract

The temperature- and doping-induced variation of structural, magnetic, and transport properties has indicated unique switching of spin-charge-orbital states in the Mn-O sheets of single-layered manganite crystals, Nd1-xSr1+xMnO4. In the composition range of 0.75<×<0.9, the magnetic ordering with alternate straight ferromagnetic chains occurs below TNap;150 K in the orthorhombically distorted sheets which perhaps originate from the orbital ordering at 270 K. In the crystals with commensurate doping levels (x=2/3 and 3/4), additional superlattice spots are observed with the propagation vectors [δ, δ, 0] [δ≈(1 - x)/2], suggestive of the charge-orbital ordering with zig-zag ferromagnetic chains.

Original languageEnglish
Article number020407
Pages (from-to)204071-204074
Number of pages4
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number2
Publication statusPublished - 2002 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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