Lattice effects on the charge-ordering transition in R0.5Sr1.5MnO4

Y. Moritomo; A. Nakamura; S. Mori; N. Yamamoto; K. Ohoyama; M. Ohashi

Lattice effects on the charge-ordering transition in R_0.5Sr_1.5MnO₄

Y. Moritomo, A. Nakamura, S. Mori, N. Yamamoto, K. Ohoyama, M. Ohashi

Tohoku University

Research output: Contribution to journal › Article › peer-review

44 Citations (Scopus)

Abstract

Magnetic and transport properties are investigated for single crystals of layered-type-doped manganites R_0.5Sr_1.5MnO₄ with systematic variation of the averaged radius r_R of the trivalent rare-earth ions R³⁺. La_0.5Sr_1.5MnO₄ (R=La) shows a charge-ordering (CO) transition at T_CO=230 K. With a decrease of the in-plane Mn-O bond length d_Mn-O(in) T_CO decreases and eventually the transition disappears for R=Nd. Such a remarkable lattice effect on the CO transition is in sharp contrast to the negligible lattice effect in the isostructural layered nickelates.

Original language	English
Pages (from-to)	14879-14882
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	56
Issue number	23
Publication status	Published - 1997 Dec 15

ASJC Scopus subject areas

Condensed Matter Physics

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abstract = "Magnetic and transport properties are investigated for single crystals of layered-type-doped manganites R0.5Sr1.5MnO4 with systematic variation of the averaged radius rR of the trivalent rare-earth ions R3+. La0.5Sr1.5MnO4 (R=La) shows a charge-ordering (CO) transition at TCO=230 K. With a decrease of the in-plane Mn-O bond length dMn-O(in) TCO decreases and eventually the transition disappears for R=Nd. Such a remarkable lattice effect on the CO transition is in sharp contrast to the negligible lattice effect in the isostructural layered nickelates.",

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T1 - Lattice effects on the charge-ordering transition in R0.5Sr1.5MnO4

AU - Moritomo, Y.

AU - Nakamura, A.

AU - Mori, S.

AU - Yamamoto, N.

AU - Ohoyama, K.

AU - Ohashi, M.

PY - 1997/12/15

Y1 - 1997/12/15

N2 - Magnetic and transport properties are investigated for single crystals of layered-type-doped manganites R0.5Sr1.5MnO4 with systematic variation of the averaged radius rR of the trivalent rare-earth ions R3+. La0.5Sr1.5MnO4 (R=La) shows a charge-ordering (CO) transition at TCO=230 K. With a decrease of the in-plane Mn-O bond length dMn-O(in) TCO decreases and eventually the transition disappears for R=Nd. Such a remarkable lattice effect on the CO transition is in sharp contrast to the negligible lattice effect in the isostructural layered nickelates.

AB - Magnetic and transport properties are investigated for single crystals of layered-type-doped manganites R0.5Sr1.5MnO4 with systematic variation of the averaged radius rR of the trivalent rare-earth ions R3+. La0.5Sr1.5MnO4 (R=La) shows a charge-ordering (CO) transition at TCO=230 K. With a decrease of the in-plane Mn-O bond length dMn-O(in) TCO decreases and eventually the transition disappears for R=Nd. Such a remarkable lattice effect on the CO transition is in sharp contrast to the negligible lattice effect in the isostructural layered nickelates.

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Lattice effects on the charge-ordering transition in R_0.5Sr_1.5MnO₄

Abstract

ASJC Scopus subject areas

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