Charge Ordered State in the Impurity-Doped Manganites

S. Mori, R. Shoji, N. Yamamoto, A. Machida, Y. Moritomo, Takuro Katsufuji

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Impurity effect on the charge and orbital ordered (CO/OO) state in doped manganites has been studied by the transmission electron microscopy (TEM), in addition to the electric and magnetic measurements. In the Cr-doped manganites (Nd0.5Ca0.5Mn1-yCryO3), the CO/OO state characterized by the incommensurate wave vector is still realized as the microdomains with the size of 10-30 nm even at lower temperature of 20 K. On the other hand, the Sc-doped manganites (Nd 0.5Ca0.5Mn1-ySCy-O3) clearly show an incommensurate to commensurate structural phase transition accompanying the formation of the long-ranged CO/OO state around 60 K. From our experimental findings, it is suggested that the substituted Cr3+ and Sc3+ ions serve as the spin impurity and hole vacancy, respectively.

Original languageEnglish
Pages (from-to)1280-1283
Number of pages4
JournalJournal of the Physical Society of Japan
Volume71
Issue number5
DOIs
Publication statusPublished - 2002 May
Externally publishedYes

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impurities
magnetic measurement
orbitals
transmission electron microscopy
ions

Keywords

  • Charge ordering
  • Electron microscopy
  • Impurity effect
  • Perovskite manganites

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Charge Ordered State in the Impurity-Doped Manganites. / Mori, S.; Shoji, R.; Yamamoto, N.; Machida, A.; Moritomo, Y.; Katsufuji, Takuro.

In: Journal of the Physical Society of Japan, Vol. 71, No. 5, 05.2002, p. 1280-1283.

Research output: Contribution to journalArticle

Mori, S, Shoji, R, Yamamoto, N, Machida, A, Moritomo, Y & Katsufuji, T 2002, 'Charge Ordered State in the Impurity-Doped Manganites', Journal of the Physical Society of Japan, vol. 71, no. 5, pp. 1280-1283. https://doi.org/10.1143/JPSJ.71.1280
Mori, S. ; Shoji, R. ; Yamamoto, N. ; Machida, A. ; Moritomo, Y. ; Katsufuji, Takuro. / Charge Ordered State in the Impurity-Doped Manganites. In: Journal of the Physical Society of Japan. 2002 ; Vol. 71, No. 5. pp. 1280-1283.
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