Lattice and magnetic structures of PrFeAsO, PrFeAsO0.85F 0.15, and PrFeAsO0.85

Jun Zhao; Q. Huang; Clarina De La Cruz; J. W. Lynn; M. D. Lumsden; Z. A. Ren; Jie Yang; Xiaolin Shen; Xiaoli Dong; Zhongxian Zhao; Pengcheng Dai

doi:10.1103/PhysRevB.78.132504

Lattice and magnetic structures of PrFeAsO, PrFeAsO_0.85F _0.15, and PrFeAsO_0.85

Jun Zhao, Q. Huang, Clarina De La Cruz, J. W. Lynn, M. D. Lumsden, Z. A. Ren, Jie Yang, Xiaolin Shen, Xiaoli Dong, Zhongxian Zhao, Pengcheng Dai

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Abstract

We use powder neutron diffraction to study the spin and lattice structures of polycrystalline samples of nonsuperconducting PrFeAsO and superconducting PrFeAsO0.85 F0.15 and PrFeAsO0.85. We find that PrFeAsO exhibits abrupt structural phase transitions at 153 K followed by static long-range antiferromagnetic order at 127 K. Both the structural distortion and magnetic order are similar to other rare-earth oxypnictides. Electron doping the system with either fluorine or oxygen deficiency suppresses the structural distortion and static long-range antiferromagnetic order, therefore placing these materials into the same class of FeAs-based superconductors.

Original language	English
Article number	132504
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	78
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevB.78.132504
State	Published - Oct 7 2008

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title = "Lattice and magnetic structures of PrFeAsO, PrFeAsO0.85F 0.15, and PrFeAsO0.85",

abstract = "We use powder neutron diffraction to study the spin and lattice structures of polycrystalline samples of nonsuperconducting PrFeAsO and superconducting PrFeAsO0.85 F0.15 and PrFeAsO0.85. We find that PrFeAsO exhibits abrupt structural phase transitions at 153 K followed by static long-range antiferromagnetic order at 127 K. Both the structural distortion and magnetic order are similar to other rare-earth oxypnictides. Electron doping the system with either fluorine or oxygen deficiency suppresses the structural distortion and static long-range antiferromagnetic order, therefore placing these materials into the same class of FeAs-based superconductors.",

author = "Jun Zhao and Q. Huang and {De La Cruz}, Clarina and Lynn, {J. W.} and Lumsden, {M. D.} and Ren, {Z. A.} and Jie Yang and Xiaolin Shen and Xiaoli Dong and Zhongxian Zhao and Pengcheng Dai",

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doi = "10.1103/PhysRevB.78.132504",

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T1 - Lattice and magnetic structures of PrFeAsO, PrFeAsO0.85F 0.15, and PrFeAsO0.85

AU - Zhao, Jun

AU - Huang, Q.

AU - De La Cruz, Clarina

AU - Lynn, J. W.

AU - Lumsden, M. D.

AU - Ren, Z. A.

AU - Yang, Jie

AU - Shen, Xiaolin

AU - Dong, Xiaoli

AU - Zhao, Zhongxian

AU - Dai, Pengcheng

PY - 2008/10/7

Y1 - 2008/10/7

N2 - We use powder neutron diffraction to study the spin and lattice structures of polycrystalline samples of nonsuperconducting PrFeAsO and superconducting PrFeAsO0.85 F0.15 and PrFeAsO0.85. We find that PrFeAsO exhibits abrupt structural phase transitions at 153 K followed by static long-range antiferromagnetic order at 127 K. Both the structural distortion and magnetic order are similar to other rare-earth oxypnictides. Electron doping the system with either fluorine or oxygen deficiency suppresses the structural distortion and static long-range antiferromagnetic order, therefore placing these materials into the same class of FeAs-based superconductors.

AB - We use powder neutron diffraction to study the spin and lattice structures of polycrystalline samples of nonsuperconducting PrFeAsO and superconducting PrFeAsO0.85 F0.15 and PrFeAsO0.85. We find that PrFeAsO exhibits abrupt structural phase transitions at 153 K followed by static long-range antiferromagnetic order at 127 K. Both the structural distortion and magnetic order are similar to other rare-earth oxypnictides. Electron doping the system with either fluorine or oxygen deficiency suppresses the structural distortion and static long-range antiferromagnetic order, therefore placing these materials into the same class of FeAs-based superconductors.

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U2 - 10.1103/PhysRevB.78.132504

DO - 10.1103/PhysRevB.78.132504

M3 - Article

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SN - 1098-0121

VL - 78

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 13

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ER -

Lattice and magnetic structures of PrFeAsO, PrFeAsO_0.85F _0.15, and PrFeAsO_0.85

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