From (π,0) magnetic order to superconductivity with (π,π) magnetic resonance in Fe 1.02 Te 1-x Se x

T. J. Liu, J. Hu, B. Qian, D. Fobes, Zhiqiang Mao, W. Bao, M. Reehuis, S. A.J. Kimber, K. ProkeŠ, S. Matas, D. N. Argyriou, A. Hiess, A. Rotaru, H. Pham, L. Spinu, Y. Qiu, V. Thampy, A. T. Savici, J. A. Rodriguez, C. Broholm

Research output: Contribution to journalArticle

165 Citations (Scopus)

Abstract

The iron chalcogenide Fe 1+y (Te 1-x Se x) is structurally the simplest of the Fe-based superconductors. Although the Fermi surface is similar to iron pnictides, the parent compoundFe 1+y Te exhibits antiferromagnetic order with an in-plane magnetic wave vector (π,0) (ref. 6). This contrasts the pnictide parent compounds where the magnetic order has an in-plane magnetic wave vector (π,π) that connects hole and electron parts of the Fermi surface. Despite these differences, both the pnictide and chalcogenide Fe superconductors exhibit a superconducting spin resonance around (π,π) (ref. 9, 10, 11). A central question in this burgeoning field is therefore how (π,π) superconductivity can emerge from a (π,0) magnetic instability. Here, we report that the magnetic soft mode evolving from the (π,0)-type magnetic long-range order is associated with weak charge carrier localization. Bulk superconductivity occurs as magnetic correlations at (π,0) are suppressed and the mode at (π, π) becomes dominant for x>0.29. Our results suggest a common magnetic origin for superconductivity in iron chalcogenide and pnictide superconductors.

Original languageEnglish (US)
Pages (from-to)716-720
Number of pages5
JournalNature Materials
Volume9
Issue number9
DOIs
StatePublished - Jan 1 2010

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Group 5A compounds
Magnetic resonance
Superconductivity
magnetic resonance
superconductivity
Fermi surface
Iron
Superconducting materials
iron
Fermi surfaces
Charge carriers
spin resonance
charge carriers
Electrons
electrons

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Liu, T. J. ; Hu, J. ; Qian, B. ; Fobes, D. ; Mao, Zhiqiang ; Bao, W. ; Reehuis, M. ; Kimber, S. A.J. ; ProkeŠ, K. ; Matas, S. ; Argyriou, D. N. ; Hiess, A. ; Rotaru, A. ; Pham, H. ; Spinu, L. ; Qiu, Y. ; Thampy, V. ; Savici, A. T. ; Rodriguez, J. A. ; Broholm, C. / From (π,0) magnetic order to superconductivity with (π,π) magnetic resonance in Fe 1.02 Te 1-x Se x In: Nature Materials. 2010 ; Vol. 9, No. 9. pp. 716-720.
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abstract = "The iron chalcogenide Fe 1+y (Te 1-x Se x) is structurally the simplest of the Fe-based superconductors. Although the Fermi surface is similar to iron pnictides, the parent compoundFe 1+y Te exhibits antiferromagnetic order with an in-plane magnetic wave vector (π,0) (ref. 6). This contrasts the pnictide parent compounds where the magnetic order has an in-plane magnetic wave vector (π,π) that connects hole and electron parts of the Fermi surface. Despite these differences, both the pnictide and chalcogenide Fe superconductors exhibit a superconducting spin resonance around (π,π) (ref. 9, 10, 11). A central question in this burgeoning field is therefore how (π,π) superconductivity can emerge from a (π,0) magnetic instability. Here, we report that the magnetic soft mode evolving from the (π,0)-type magnetic long-range order is associated with weak charge carrier localization. Bulk superconductivity occurs as magnetic correlations at (π,0) are suppressed and the mode at (π, π) becomes dominant for x>0.29. Our results suggest a common magnetic origin for superconductivity in iron chalcogenide and pnictide superconductors.",
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Liu, TJ, Hu, J, Qian, B, Fobes, D, Mao, Z, Bao, W, Reehuis, M, Kimber, SAJ, ProkeŠ, K, Matas, S, Argyriou, DN, Hiess, A, Rotaru, A, Pham, H, Spinu, L, Qiu, Y, Thampy, V, Savici, AT, Rodriguez, JA & Broholm, C 2010, ' From (π,0) magnetic order to superconductivity with (π,π) magnetic resonance in Fe 1.02 Te 1-x Se x ', Nature Materials, vol. 9, no. 9, pp. 716-720. https://doi.org/10.1038/nmat2800

From (π,0) magnetic order to superconductivity with (π,π) magnetic resonance in Fe 1.02 Te 1-x Se x . / Liu, T. J.; Hu, J.; Qian, B.; Fobes, D.; Mao, Zhiqiang; Bao, W.; Reehuis, M.; Kimber, S. A.J.; ProkeŠ, K.; Matas, S.; Argyriou, D. N.; Hiess, A.; Rotaru, A.; Pham, H.; Spinu, L.; Qiu, Y.; Thampy, V.; Savici, A. T.; Rodriguez, J. A.; Broholm, C.

In: Nature Materials, Vol. 9, No. 9, 01.01.2010, p. 716-720.

Research output: Contribution to journalArticle

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T1 - From (π,0) magnetic order to superconductivity with (π,π) magnetic resonance in Fe 1.02 Te 1-x Se x

AU - Liu, T. J.

AU - Hu, J.

AU - Qian, B.

AU - Fobes, D.

AU - Mao, Zhiqiang

AU - Bao, W.

AU - Reehuis, M.

AU - Kimber, S. A.J.

AU - ProkeŠ, K.

AU - Matas, S.

AU - Argyriou, D. N.

AU - Hiess, A.

AU - Rotaru, A.

AU - Pham, H.

AU - Spinu, L.

AU - Qiu, Y.

AU - Thampy, V.

AU - Savici, A. T.

AU - Rodriguez, J. A.

AU - Broholm, C.

PY - 2010/1/1

Y1 - 2010/1/1

N2 - The iron chalcogenide Fe 1+y (Te 1-x Se x) is structurally the simplest of the Fe-based superconductors. Although the Fermi surface is similar to iron pnictides, the parent compoundFe 1+y Te exhibits antiferromagnetic order with an in-plane magnetic wave vector (π,0) (ref. 6). This contrasts the pnictide parent compounds where the magnetic order has an in-plane magnetic wave vector (π,π) that connects hole and electron parts of the Fermi surface. Despite these differences, both the pnictide and chalcogenide Fe superconductors exhibit a superconducting spin resonance around (π,π) (ref. 9, 10, 11). A central question in this burgeoning field is therefore how (π,π) superconductivity can emerge from a (π,0) magnetic instability. Here, we report that the magnetic soft mode evolving from the (π,0)-type magnetic long-range order is associated with weak charge carrier localization. Bulk superconductivity occurs as magnetic correlations at (π,0) are suppressed and the mode at (π, π) becomes dominant for x>0.29. Our results suggest a common magnetic origin for superconductivity in iron chalcogenide and pnictide superconductors.

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