Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors

J. P. Carlo; Y. J. Uemura; T. Goko; G. J. MacDougall; J. A. Rodriguez; W. Yu; G. M. Luke; Pengcheng Dai; N. Shannon; S. Miyasaka; S. Suzuki; S. Tajima; G. F. Chen; W. Z. Hu; J. L. Luo; N. L. Wang

doi:10.1103/PhysRevLett.102.087001

Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors

J. P. Carlo, Y. J. Uemura, T. Goko, G. J. MacDougall, J. A. Rodriguez, W. Yu, G. M. Luke, Pengcheng Dai, N. Shannon, S. Miyasaka, S. Suzuki, S. Tajima, G. F. Chen, W. Z. Hu, J. L. Luo, N. L. Wang

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

Abstract

Muon spin relaxation measurements in iron-oxypnictide systems have revealed: (1)commensurate long-range order in undoped LaFeAsO; (2) a Bessel function line shape in LaFeAs(O0.97F0.03) which indicates possible incommensurate or stripe magnetism; (3) anomalous weak magnetism existing in superconducting LaFePO, CeFeAs(O0.084F0.16), and NdFeAs(O0.88F0.12) but absent in superconducting LaFeAs(O0.92F0.08); and (4) scaling of the superfluid density with Tc in the Ce-, La-, and Nd-FeAs superconductors following a nearly linear relationship found in cuprates.

Original language	English (US)
Article number	087001
Journal	Physical review letters
Volume	102
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.102.087001
State	Published - Feb 23 2009
Externally published	Yes

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General Physics and Astronomy

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10.1103/PhysRevLett.102.087001

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Carlo, J. P., Uemura, Y. J., Goko, T., MacDougall, G. J., Rodriguez, J. A., Yu, W., Luke, G. M., Dai, P., Shannon, N., Miyasaka, S., Suzuki, S., Tajima, S., Chen, G. F., Hu, W. Z., Luo, J. L., & Wang, N. L. (2009). Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors. Physical review letters, 102(8), Article 087001. https://doi.org/10.1103/PhysRevLett.102.087001

Carlo, JP, Uemura, YJ, Goko, T, MacDougall, GJ, Rodriguez, JA, Yu, W, Luke, GM, Dai, P, Shannon, N, Miyasaka, S, Suzuki, S, Tajima, S, Chen, GF, Hu, WZ, Luo, JL & Wang, NL 2009, 'Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors', Physical review letters, vol. 102, no. 8, 087001. https://doi.org/10.1103/PhysRevLett.102.087001

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title = "Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors",

abstract = "Muon spin relaxation measurements in iron-oxypnictide systems have revealed: (1)commensurate long-range order in undoped LaFeAsO; (2) a Bessel function line shape in LaFeAs(O0.97F0.03) which indicates possible incommensurate or stripe magnetism; (3) anomalous weak magnetism existing in superconducting LaFePO, CeFeAs(O0.084F0.16), and NdFeAs(O0.88F0.12) but absent in superconducting LaFeAs(O0.92F0.08); and (4) scaling of the superfluid density with Tc in the Ce-, La-, and Nd-FeAs superconductors following a nearly linear relationship found in cuprates.",

author = "Carlo, {J. P.} and Uemura, {Y. J.} and T. Goko and MacDougall, {G. J.} and Rodriguez, {J. A.} and W. Yu and Luke, {G. M.} and Pengcheng Dai and N. Shannon and S. Miyasaka and S. Suzuki and S. Tajima and Chen, {G. F.} and Hu, {W. Z.} and Luo, {J. L.} and Wang, {N. L.}",

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AU - Carlo, J. P.

AU - Uemura, Y. J.

AU - Goko, T.

AU - MacDougall, G. J.

AU - Rodriguez, J. A.

AU - Yu, W.

AU - Luke, G. M.

AU - Dai, Pengcheng

AU - Shannon, N.

AU - Miyasaka, S.

AU - Suzuki, S.

AU - Tajima, S.

AU - Chen, G. F.

AU - Hu, W. Z.

AU - Luo, J. L.

AU - Wang, N. L.

PY - 2009/2/23

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AB - Muon spin relaxation measurements in iron-oxypnictide systems have revealed: (1)commensurate long-range order in undoped LaFeAsO; (2) a Bessel function line shape in LaFeAs(O0.97F0.03) which indicates possible incommensurate or stripe magnetism; (3) anomalous weak magnetism existing in superconducting LaFePO, CeFeAs(O0.084F0.16), and NdFeAs(O0.88F0.12) but absent in superconducting LaFeAs(O0.92F0.08); and (4) scaling of the superfluid density with Tc in the Ce-, La-, and Nd-FeAs superconductors following a nearly linear relationship found in cuprates.

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Static magnetic order and superfluid density of RFeAs(O,F) (R=La,Nd,Ce) and LaFePO studied by muon spin relaxation: Unusual similarities with the behavior of cuprate superconductors

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