Electronic Self-Organization in the single-layer manganite Pr1-xCa1+xMnO4

F. Ye; Songxue Chi; J. A. Fernandez-Baca; A. Moreo; E. Dagotto; J. W. Lynn; R. Mathieu; Y. Kaneko; Y. Tokura; Pengcheng Dai

doi:10.1103/PhysRevLett.103.167202

Electronic Self-Organization in the single-layer manganite Pr1-xCa1+xMnO4

F. Ye, Songxue Chi, J. A. Fernandez-Baca, A. Moreo, E. Dagotto, J. W. Lynn, R. Mathieu, Y. Kaneko, Y. Tokura, Pengcheng Dai

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Abstract

We use neutron scattering to investigate the doping evolution of the magnetic correlations in the single-layer manganite Pr1-xCa1+xMnO4, away from the x=0.5 composition where the CE-type commensurate antiferromagnetic (AF) structure is stable. We find that short-range incommensurate spin correlations develop as the system is electron doped (x<0.5), which coexist with the CE-type AF order. This suggests that electron doping in this system induces an inhomogeneous electronic self-organization, where commensurate AF patches with x=0.5 are separated by electron-rich domain walls with short-range magnetic correlations. This behavior is strikingly different than for the perovskite Pr1-xCaxMnO3, where the long-range CE-type commensurate AF structure is stable over a wide range of electron or hole doping around x=0.5.

Original language	English
Article number	167202
Journal	Physical Review Letters
Volume	103
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.103.167202
State	Published - Oct 14 2009

Funding

Funders	Funder number
National Science Foundation
Directorate for Mathematical and Physical Sciences	0706020, 0756568

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10.1103/PhysRevLett.103.167202

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title = "Electronic Self-Organization in the single-layer manganite Pr1-xCa1+xMnO4",

abstract = "We use neutron scattering to investigate the doping evolution of the magnetic correlations in the single-layer manganite Pr1-xCa1+xMnO4, away from the x=0.5 composition where the CE-type commensurate antiferromagnetic (AF) structure is stable. We find that short-range incommensurate spin correlations develop as the system is electron doped (x<0.5), which coexist with the CE-type AF order. This suggests that electron doping in this system induces an inhomogeneous electronic self-organization, where commensurate AF patches with x=0.5 are separated by electron-rich domain walls with short-range magnetic correlations. This behavior is strikingly different than for the perovskite Pr1-xCaxMnO3, where the long-range CE-type commensurate AF structure is stable over a wide range of electron or hole doping around x=0.5.",

author = "F. Ye and Songxue Chi and Fernandez-Baca, {J. A.} and A. Moreo and E. Dagotto and Lynn, {J. W.} and R. Mathieu and Y. Kaneko and Y. Tokura and Pengcheng Dai",

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T1 - Electronic Self-Organization in the single-layer manganite Pr1-xCa1+xMnO4

AU - Ye, F.

AU - Chi, Songxue

AU - Fernandez-Baca, J. A.

AU - Moreo, A.

AU - Dagotto, E.

AU - Lynn, J. W.

AU - Mathieu, R.

AU - Kaneko, Y.

AU - Tokura, Y.

AU - Dai, Pengcheng

PY - 2009/10/14

Y1 - 2009/10/14

N2 - We use neutron scattering to investigate the doping evolution of the magnetic correlations in the single-layer manganite Pr1-xCa1+xMnO4, away from the x=0.5 composition where the CE-type commensurate antiferromagnetic (AF) structure is stable. We find that short-range incommensurate spin correlations develop as the system is electron doped (x<0.5), which coexist with the CE-type AF order. This suggests that electron doping in this system induces an inhomogeneous electronic self-organization, where commensurate AF patches with x=0.5 are separated by electron-rich domain walls with short-range magnetic correlations. This behavior is strikingly different than for the perovskite Pr1-xCaxMnO3, where the long-range CE-type commensurate AF structure is stable over a wide range of electron or hole doping around x=0.5.

AB - We use neutron scattering to investigate the doping evolution of the magnetic correlations in the single-layer manganite Pr1-xCa1+xMnO4, away from the x=0.5 composition where the CE-type commensurate antiferromagnetic (AF) structure is stable. We find that short-range incommensurate spin correlations develop as the system is electron doped (x<0.5), which coexist with the CE-type AF order. This suggests that electron doping in this system induces an inhomogeneous electronic self-organization, where commensurate AF patches with x=0.5 are separated by electron-rich domain walls with short-range magnetic correlations. This behavior is strikingly different than for the perovskite Pr1-xCaxMnO3, where the long-range CE-type commensurate AF structure is stable over a wide range of electron or hole doping around x=0.5.

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Electronic Self-Organization in the single-layer manganite Pr1-xCa1+xMnO4

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