Microscopic coexistence of a two-component incommensurate spin density wave with superconductivity in underdoped NaFe0.983Co0.017As

Sangwon Oh; A. M. Mounce; Jeongseop A. Lee; W. P. Halperin; C. L. Zhang; S. Carr; Pengcheng Dai; A. P. Reyes; P. L. Kuhns

doi:10.1103/PhysRevB.88.134518

Microscopic coexistence of a two-component incommensurate spin density wave with superconductivity in underdoped NaFe_0.983Co_0.017As

Sangwon Oh^*, A. M. Mounce, Jeongseop A. Lee, W. P. Halperin, C. L. Zhang, S. Carr, Pengcheng Dai, A. P. Reyes, P. L. Kuhns

^*Corresponding author for this work

Physics and Astronomy

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

8 Scopus citations

Abstract

We have performed 75As and 23Na nuclear magnetic resonance (NMR) measurements on a single crystal of NaFe_0.9835Co_0.0165As and found microscopic coexistence of superconductivity with a two-component spin density wave (SDW). Using 23Na NMR we measured the spatial distribution of local magnetic fields. The SDW was found to be incommensurate with a major component having magnetic moment (∼0.2μ_B/Fe) and a smaller component with magnetic moment (∼0.02μ_B/Fe). Spin lattice relaxation experiments reveal that this coexistence occurs at a microscopic level.

Original language	English (US)
Article number	134518
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	88
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevB.88.134518
State	Published - Oct 25 2013

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Oh, S., Mounce, A. M., Lee, J. A., Halperin, W. P., Zhang, C. L., Carr, S., Dai, P., Reyes, A. P., & Kuhns, P. L. (2013). Microscopic coexistence of a two-component incommensurate spin density wave with superconductivity in underdoped NaFe_0.983Co_0.017As. Physical Review B - Condensed Matter and Materials Physics, 88(13), Article 134518. https://doi.org/10.1103/PhysRevB.88.134518

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abstract = "We have performed 75As and 23Na nuclear magnetic resonance (NMR) measurements on a single crystal of NaFe0.9835Co0.0165As and found microscopic coexistence of superconductivity with a two-component spin density wave (SDW). Using 23Na NMR we measured the spatial distribution of local magnetic fields. The SDW was found to be incommensurate with a major component having magnetic moment (∼0.2μB/Fe) and a smaller component with magnetic moment (∼0.02μB/Fe). Spin lattice relaxation experiments reveal that this coexistence occurs at a microscopic level.",

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AU - Oh, Sangwon

AU - Mounce, A. M.

AU - Lee, Jeongseop A.

AU - Halperin, W. P.

AU - Zhang, C. L.

AU - Carr, S.

AU - Dai, Pengcheng

AU - Reyes, A. P.

AU - Kuhns, P. L.

PY - 2013/10/25

Y1 - 2013/10/25

N2 - We have performed 75As and 23Na nuclear magnetic resonance (NMR) measurements on a single crystal of NaFe0.9835Co0.0165As and found microscopic coexistence of superconductivity with a two-component spin density wave (SDW). Using 23Na NMR we measured the spatial distribution of local magnetic fields. The SDW was found to be incommensurate with a major component having magnetic moment (∼0.2μB/Fe) and a smaller component with magnetic moment (∼0.02μB/Fe). Spin lattice relaxation experiments reveal that this coexistence occurs at a microscopic level.

AB - We have performed 75As and 23Na nuclear magnetic resonance (NMR) measurements on a single crystal of NaFe0.9835Co0.0165As and found microscopic coexistence of superconductivity with a two-component spin density wave (SDW). Using 23Na NMR we measured the spatial distribution of local magnetic fields. The SDW was found to be incommensurate with a major component having magnetic moment (∼0.2μB/Fe) and a smaller component with magnetic moment (∼0.02μB/Fe). Spin lattice relaxation experiments reveal that this coexistence occurs at a microscopic level.

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Microscopic coexistence of a two-component incommensurate spin density wave with superconductivity in underdoped NaFe_0.983Co_0.017As

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