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

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

School of Creative Science and Engineering

Research output: Contribution to journal › Article › peer-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, Nd_1-xSr_1+xMnO₄. In the composition range of 0.75<×<0.9, the magnetic ordering with alternate straight ferromagnetic chains occurs below T_Nap;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 language	English
Article number	020407
Pages (from-to)	204071-204074
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	2
Publication status	Published - 2002 Jan 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Cite this

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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.",

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T1 - Charge-orbital ordering and ferromagnetic chains in single-layered manganite crystals

AU - Kimura, T.

AU - Hatsuda, K.

AU - Ueno, Y.

AU - Kajimoto, R.

AU - Mochizuki, H.

AU - Yoshizawa, H.

AU - Nagai, T.

AU - Matsui, Y.

AU - Yamazaki, A.

AU - Tokura, Y.

PY - 2002/1/1

Y1 - 2002/1/1

N2 - 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.

AB - 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.

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

Abstract

ASJC Scopus subject areas

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