Low-energy magnetic excitations from the Fe1+yâ z (Ni/Cu) z Te1â x Sex system

Zhijun Xu; Jinsheng Wen; J. Schneeloch; A. D. Christianson; R. J. Birgeneau; Genda Gu; J. M. Tranquada; Guangyong Xu

doi:10.1103/PhysRevB.89.174517

Low-energy magnetic excitations from the Fe1+yâ z (Ni/Cu) z Te1â x Sex system

Zhijun Xu
, Jinsheng Wen
, J. Schneeloch
, A. D. Christianson
, R. J. Birgeneau
, Genda Gu
, J. M. Tranquada
, Guangyong Xu

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

10 Scopus citations

Abstract

We report neutron scattering measurements on low-energy (â.,Ï‰â5 meV) magnetic excitations from a series of Fe1+yâz(Ni/Cu)zTe1âxSex samples which belong to the â€œ11â€ Fe-chalcogenide family. Our results suggest a strong correlation between the magnetic excitations near (0.5,0.5,0) and the superconducting properties of the system. The low-energy magnetic excitations are found to gradually move away from (0.5,0.5,0) to incommensurate positions when superconductivity is suppressed, either by heating or chemical doping, confirming previous observations.

Original language	English
Article number	174517
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	89
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.89.174517
State	Published - May 28 2014

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10.1103/PhysRevB.89.174517

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title = "Low-energy magnetic excitations from the Fe1+y{\^a} z (Ni/Cu) z Te1{\^a} x Sex system",

abstract = "We report neutron scattering measurements on low-energy ({\^a}.,{\"I}‰{\^a}5 meV) magnetic excitations from a series of Fe1+y{\^a}z(Ni/Cu)zTe1{\^a}xSex samples which belong to the {\^a}€{\oe}11{\^a}€ Fe-chalcogenide family. Our results suggest a strong correlation between the magnetic excitations near (0.5,0.5,0) and the superconducting properties of the system. The low-energy magnetic excitations are found to gradually move away from (0.5,0.5,0) to incommensurate positions when superconductivity is suppressed, either by heating or chemical doping, confirming previous observations.",

author = "Zhijun Xu and Jinsheng Wen and J. Schneeloch and Christianson, \{A. D.\} and Birgeneau, \{R. J.\} and Genda Gu and Tranquada, \{J. M.\} and Guangyong Xu",

year = "2014",

month = may,

day = "28",

doi = "10.1103/PhysRevB.89.174517",

language = "English",

volume = "89",

journal = "Physical Review B - Condensed Matter and Materials Physics",

issn = "1098-0121",

publisher = "American Physical Society",

number = "17",

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TY - JOUR

T1 - Low-energy magnetic excitations from the Fe1+yâ z (Ni/Cu) z Te1â x Sex system

AU - Xu, Zhijun

AU - Wen, Jinsheng

AU - Schneeloch, J.

AU - Christianson, A. D.

AU - Birgeneau, R. J.

AU - Gu, Genda

AU - Tranquada, J. M.

AU - Xu, Guangyong

PY - 2014/5/28

Y1 - 2014/5/28

N2 - We report neutron scattering measurements on low-energy (â.,Ï‰â5 meV) magnetic excitations from a series of Fe1+yâz(Ni/Cu)zTe1âxSex samples which belong to the â€œ11â€ Fe-chalcogenide family. Our results suggest a strong correlation between the magnetic excitations near (0.5,0.5,0) and the superconducting properties of the system. The low-energy magnetic excitations are found to gradually move away from (0.5,0.5,0) to incommensurate positions when superconductivity is suppressed, either by heating or chemical doping, confirming previous observations.

AB - We report neutron scattering measurements on low-energy (â.,Ï‰â5 meV) magnetic excitations from a series of Fe1+yâz(Ni/Cu)zTe1âxSex samples which belong to the â€œ11â€ Fe-chalcogenide family. Our results suggest a strong correlation between the magnetic excitations near (0.5,0.5,0) and the superconducting properties of the system. The low-energy magnetic excitations are found to gradually move away from (0.5,0.5,0) to incommensurate positions when superconductivity is suppressed, either by heating or chemical doping, confirming previous observations.

UR - https://www.scopus.com/pages/publications/84902121385

U2 - 10.1103/PhysRevB.89.174517

DO - 10.1103/PhysRevB.89.174517

M3 - Article

AN - SCOPUS:84902121385

SN - 1098-0121

VL - 89

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 17

M1 - 174517

ER -

Low-energy magnetic excitations from the Fe1+yâ z (Ni/Cu) z Te1â x Sex system

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