Anomalous behavior of spin fluctuations in polycrystalline NdBa2Cu3O7

A. P. Reyes; M. Abdelrazek; P. L. Kuhns; W. G. Moulton; W. P. Halperin; K. Kishio

doi:10.1142/s0217979202013833

Anomalous behavior of spin fluctuations in polycrystalline NdBa₂Cu₃O₇

A. P. Reyes^*, M. Abdelrazek, P. L. Kuhns, W. G. Moulton, W. P. Halperin, K. Kishio

^*Corresponding author for this work

Physics and Astronomy

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

Abstract

Nuclear spin-lattice relaxation rate 1/T₁ at the planar 0(2,3) and bridging 0(4) oxygen sites in NdBa₂CU₃O₇ have been measured as a function of temperature in fields up to 42T. Data is characterized by extremely fast relaxation due to Nd. A well-defined peak is observed, indicative of spin freezing, occurring well below T_c and higher than T_N, and whose physical origin is unknown. Extracted T₁ data for Cu(2) shows enhanced Cu-Cu correlations in the superconducting state, suggesting a short-ranged order at lower temperatures.

Original language	English (US)
Pages (from-to)	3164-3169
Number of pages	6
Journal	International Journal of Modern Physics B
Volume	16
Issue number	20-22
DOIs	https://doi.org/10.1142/s0217979202013833
State	Published - Aug 30 2002

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Condensed Matter Physics

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title = "Anomalous behavior of spin fluctuations in polycrystalline NdBa2Cu3O7",

abstract = "Nuclear spin-lattice relaxation rate 1/T1 at the planar 0(2,3) and bridging 0(4) oxygen sites in NdBa2CU3O7 have been measured as a function of temperature in fields up to 42T. Data is characterized by extremely fast relaxation due to Nd. A well-defined peak is observed, indicative of spin freezing, occurring well below Tc and higher than TN, and whose physical origin is unknown. Extracted T1 data for Cu(2) shows enhanced Cu-Cu correlations in the superconducting state, suggesting a short-ranged order at lower temperatures.",

author = "Reyes, {A. P.} and M. Abdelrazek and Kuhns, {P. L.} and Moulton, {W. G.} and Halperin, {W. P.} and K. Kishio",

year = "2002",

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doi = "10.1142/s0217979202013833",

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T1 - Anomalous behavior of spin fluctuations in polycrystalline NdBa2Cu3O7

AU - Reyes, A. P.

AU - Abdelrazek, M.

AU - Kuhns, P. L.

AU - Moulton, W. G.

AU - Halperin, W. P.

AU - Kishio, K.

PY - 2002/8/30

Y1 - 2002/8/30

N2 - Nuclear spin-lattice relaxation rate 1/T1 at the planar 0(2,3) and bridging 0(4) oxygen sites in NdBa2CU3O7 have been measured as a function of temperature in fields up to 42T. Data is characterized by extremely fast relaxation due to Nd. A well-defined peak is observed, indicative of spin freezing, occurring well below Tc and higher than TN, and whose physical origin is unknown. Extracted T1 data for Cu(2) shows enhanced Cu-Cu correlations in the superconducting state, suggesting a short-ranged order at lower temperatures.

AB - Nuclear spin-lattice relaxation rate 1/T1 at the planar 0(2,3) and bridging 0(4) oxygen sites in NdBa2CU3O7 have been measured as a function of temperature in fields up to 42T. Data is characterized by extremely fast relaxation due to Nd. A well-defined peak is observed, indicative of spin freezing, occurring well below Tc and higher than TN, and whose physical origin is unknown. Extracted T1 data for Cu(2) shows enhanced Cu-Cu correlations in the superconducting state, suggesting a short-ranged order at lower temperatures.

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JO - International Journal of Modern Physics B

JF - International Journal of Modern Physics B

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Anomalous behavior of spin fluctuations in polycrystalline NdBa₂Cu₃O₇

Abstract

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