Magnetic ordering of Pr in Pb2Sr2PrCu 3O8

W. T. Hsieh; W. H. Li; K. C. Lee; J. W. Lynn; J. H. Shieh; H. C. Ku

doi:10.1063/1.358051

Magnetic ordering of Pr in Pb₂Sr₂PrCu ₃O₈

W. T. Hsieh, W. H. Li, K. C. Lee, J. W. Lynn, J. H. Shieh, H. C. Ku

Department of Physics

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17 Scopus citations

Abstract

The magnetic ordering of the Pr ions in Pb₂Sr ₂PrCu₃O₈ has been studied using neutron-diffraction and ac-suspectibility measurements. An imperfect three-dimensional magnetic ordering of the Pr spins was observed at a temperature well below its Neel temperature of T_N≊7 K. The magnetic intensities observed at T=1.4 K can be explained by assuming long-range order in the ab plane with short-range correlations, of correlation length ξ_c=20 Å, along the c axis and a moment directed along the c-axis direction. The magnetic ordering is 2D in nature, and the basic magnetic structure consists of nearest-neighbor spins that are aligned antiparallel along all three crystallographic directions. The magnetic transition is also evident in the ac-susceptibility versus temperature measurements, where a cusp that is typical of antiferromagnetic ordering is clearly observed, which matches the T_N obtained by neutron diffraction.

Original language	English
Pages (from-to)	7124-7126
Number of pages	3
Journal	Journal of Applied Physics
Volume	76
Issue number	10
DOIs	https://doi.org/10.1063/1.358051
State	Published - 1994

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10.1063/1.358051

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title = "Magnetic ordering of Pr in Pb2Sr2PrCu 3O8",

abstract = "The magnetic ordering of the Pr ions in Pb2Sr 2PrCu3O8 has been studied using neutron-diffraction and ac-suspectibility measurements. An imperfect three-dimensional magnetic ordering of the Pr spins was observed at a temperature well below its Neel temperature of TN≊7 K. The magnetic intensities observed at T=1.4 K can be explained by assuming long-range order in the ab plane with short-range correlations, of correlation length ξc=20 {\AA}, along the c axis and a moment directed along the c-axis direction. The magnetic ordering is 2D in nature, and the basic magnetic structure consists of nearest-neighbor spins that are aligned antiparallel along all three crystallographic directions. The magnetic transition is also evident in the ac-susceptibility versus temperature measurements, where a cusp that is typical of antiferromagnetic ordering is clearly observed, which matches the TN obtained by neutron diffraction.",

author = "Hsieh, {W. T.} and Li, {W. H.} and Lee, {K. C.} and Lynn, {J. W.} and Shieh, {J. H.} and Ku, {H. C.}",

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T1 - Magnetic ordering of Pr in Pb2Sr2PrCu 3O8

AU - Hsieh, W. T.

AU - Li, W. H.

AU - Lee, K. C.

AU - Lynn, J. W.

AU - Shieh, J. H.

AU - Ku, H. C.

PY - 1994

Y1 - 1994

N2 - The magnetic ordering of the Pr ions in Pb2Sr 2PrCu3O8 has been studied using neutron-diffraction and ac-suspectibility measurements. An imperfect three-dimensional magnetic ordering of the Pr spins was observed at a temperature well below its Neel temperature of TN≊7 K. The magnetic intensities observed at T=1.4 K can be explained by assuming long-range order in the ab plane with short-range correlations, of correlation length ξc=20 Å, along the c axis and a moment directed along the c-axis direction. The magnetic ordering is 2D in nature, and the basic magnetic structure consists of nearest-neighbor spins that are aligned antiparallel along all three crystallographic directions. The magnetic transition is also evident in the ac-susceptibility versus temperature measurements, where a cusp that is typical of antiferromagnetic ordering is clearly observed, which matches the TN obtained by neutron diffraction.

AB - The magnetic ordering of the Pr ions in Pb2Sr 2PrCu3O8 has been studied using neutron-diffraction and ac-suspectibility measurements. An imperfect three-dimensional magnetic ordering of the Pr spins was observed at a temperature well below its Neel temperature of TN≊7 K. The magnetic intensities observed at T=1.4 K can be explained by assuming long-range order in the ab plane with short-range correlations, of correlation length ξc=20 Å, along the c axis and a moment directed along the c-axis direction. The magnetic ordering is 2D in nature, and the basic magnetic structure consists of nearest-neighbor spins that are aligned antiparallel along all three crystallographic directions. The magnetic transition is also evident in the ac-susceptibility versus temperature measurements, where a cusp that is typical of antiferromagnetic ordering is clearly observed, which matches the TN obtained by neutron diffraction.

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

SN - 0021-8979

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Magnetic ordering of Pr in Pb2Sr2PrCu 3O8

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Magnetic ordering of Pr in Pb₂Sr₂PrCu ₃O₈