Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques

D. K. Pratt; W. Tian; A. Kreyssig; J. L. Zarestky; S. Nandi; N. Ni; S. L. Bud'Ko; P. C. Canfield; A. I. Goldman; R. J. McQueeney

doi:10.1103/PhysRevLett.103.087001

Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques

D. K. Pratt, W. Tian, A. Kreyssig, J. L. Zarestky, S. Nandi, N. Ni, S. L. Bud'Ko, P. C. Canfield, A. I. Goldman, R. J. McQueeney

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Abstract

Neutron and x-ray diffraction studies show that the simultaneous first-order transition to an orthorhombic and antiferromagnetic (AFM) ordered state in BaFe2As2 splits into two transitions with Co doping. For Ba(Fe0.953Co0.047)2As2, a tetragonal-orthorhombic transition occurs at TS=60K, followed by a second-order transition to AFM order at TN=47K. Superconductivity occurs in the orthorhombic state below TC=17K and coexists with AFM. Below TC, the static Fe moment is reduced along with a redistribution of low energy magnetic excitations indicating competition between coexisting superconductivity and AFM order.

Original language	English
Article number	087001
Journal	Physical Review Letters
Volume	103
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.103.087001
State	Published - Aug 19 2009
Externally published	Yes

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Pratt, D. K., Tian, W., Kreyssig, A., Zarestky, J. L., Nandi, S., Ni, N., Bud'Ko, S. L., Canfield, P. C., Goldman, A. I., & McQueeney, R. J. (2009). Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques. Physical Review Letters, 103(8), Article 087001. https://doi.org/10.1103/PhysRevLett.103.087001

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title = "Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques",

abstract = "Neutron and x-ray diffraction studies show that the simultaneous first-order transition to an orthorhombic and antiferromagnetic (AFM) ordered state in BaFe2As2 splits into two transitions with Co doping. For Ba(Fe0.953Co0.047)2As2, a tetragonal-orthorhombic transition occurs at TS=60K, followed by a second-order transition to AFM order at TN=47K. Superconductivity occurs in the orthorhombic state below TC=17K and coexists with AFM. Below TC, the static Fe moment is reduced along with a redistribution of low energy magnetic excitations indicating competition between coexisting superconductivity and AFM order.",

author = "Pratt, {D. K.} and W. Tian and A. Kreyssig and Zarestky, {J. L.} and S. Nandi and N. Ni and Bud'Ko, {S. L.} and Canfield, {P. C.} and Goldman, {A. I.} and McQueeney, {R. J.}",

year = "2009",

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doi = "10.1103/PhysRevLett.103.087001",

language = "English",

volume = "103",

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Pratt, DK, Tian, W, Kreyssig, A, Zarestky, JL, Nandi, S, Ni, N, Bud'Ko, SL, Canfield, PC, Goldman, AI & McQueeney, RJ 2009, 'Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques', Physical Review Letters, vol. 103, no. 8, 087001. https://doi.org/10.1103/PhysRevLett.103.087001

TY - JOUR

T1 - Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques

AU - Pratt, D. K.

AU - Tian, W.

AU - Kreyssig, A.

AU - Zarestky, J. L.

AU - Nandi, S.

AU - Ni, N.

AU - Bud'Ko, S. L.

AU - Canfield, P. C.

AU - Goldman, A. I.

AU - McQueeney, R. J.

PY - 2009/8/19

Y1 - 2009/8/19

N2 - Neutron and x-ray diffraction studies show that the simultaneous first-order transition to an orthorhombic and antiferromagnetic (AFM) ordered state in BaFe2As2 splits into two transitions with Co doping. For Ba(Fe0.953Co0.047)2As2, a tetragonal-orthorhombic transition occurs at TS=60K, followed by a second-order transition to AFM order at TN=47K. Superconductivity occurs in the orthorhombic state below TC=17K and coexists with AFM. Below TC, the static Fe moment is reduced along with a redistribution of low energy magnetic excitations indicating competition between coexisting superconductivity and AFM order.

AB - Neutron and x-ray diffraction studies show that the simultaneous first-order transition to an orthorhombic and antiferromagnetic (AFM) ordered state in BaFe2As2 splits into two transitions with Co doping. For Ba(Fe0.953Co0.047)2As2, a tetragonal-orthorhombic transition occurs at TS=60K, followed by a second-order transition to AFM order at TN=47K. Superconductivity occurs in the orthorhombic state below TC=17K and coexists with AFM. Below TC, the static Fe moment is reduced along with a redistribution of low energy magnetic excitations indicating competition between coexisting superconductivity and AFM order.

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DO - 10.1103/PhysRevLett.103.087001

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SN - 0031-9007

VL - 103

JO - Physical Review Letters

JF - Physical Review Letters

IS - 8

M1 - 087001

ER -

Coexistence of competing antiferromagnetic and superconducting phases in the underdoped Ba(Fe0.953Co0.047)2As2 compound using X-ray and neutron scattering techniques

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