Raman-scattering study of Kx Sr1-x Fe2 As2 (x=0.0,0.4)

A. P. Litvinchuk; V. G. Hadjiev; M. N. Iliev; Bing Lv; A. M. Guloy; C. W. Chu

doi:10.1103/PhysRevB.78.060503

Raman-scattering study of Kx Sr1-x Fe2 As2 (x=0.0,0.4)

A. P. Litvinchuk, V. G. Hadjiev, M. N. Iliev, Bing Lv, A. M. Guloy, C. W. Chu

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Abstract

Polarized Raman spectra of nonsuperconducting SrFe2 As2 and superconducting K0.4 Sr0.6 Fe2 As2 (Tc =37K) microcrystals are reported. All four-phonon modes (A1g + B1g +2 Eg) allowed by symmetry are found and identified. Shell model gives reasonable description of the spectra. No detectable anomalies are observed near the tetragonal-to-orthorhombic transition in SrFe2 As2 or the superconducting transition in K0.4 Sr0.6 Fe2 As2.

Original language	English
Article number	060503
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	78
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.78.060503
Publication status	Published - 2008 Aug 14

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.78.060503

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title = "Raman-scattering study of Kx Sr1-x Fe2 As2 (x=0.0,0.4)",

abstract = "Polarized Raman spectra of nonsuperconducting SrFe2 As2 and superconducting K0.4 Sr0.6 Fe2 As2 (Tc =37K) microcrystals are reported. All four-phonon modes (A1g + B1g +2 Eg) allowed by symmetry are found and identified. Shell model gives reasonable description of the spectra. No detectable anomalies are observed near the tetragonal-to-orthorhombic transition in SrFe2 As2 or the superconducting transition in K0.4 Sr0.6 Fe2 As2.",

author = "Litvinchuk, {A. P.} and Hadjiev, {V. G.} and Iliev, {M. N.} and Bing Lv and Guloy, {A. M.} and Chu, {C. W.}",

year = "2008",

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T1 - Raman-scattering study of Kx Sr1-x Fe2 As2 (x=0.0,0.4)

AU - Litvinchuk, A. P.

AU - Hadjiev, V. G.

AU - Iliev, M. N.

AU - Lv, Bing

AU - Guloy, A. M.

AU - Chu, C. W.

PY - 2008/8/14

Y1 - 2008/8/14

N2 - Polarized Raman spectra of nonsuperconducting SrFe2 As2 and superconducting K0.4 Sr0.6 Fe2 As2 (Tc =37K) microcrystals are reported. All four-phonon modes (A1g + B1g +2 Eg) allowed by symmetry are found and identified. Shell model gives reasonable description of the spectra. No detectable anomalies are observed near the tetragonal-to-orthorhombic transition in SrFe2 As2 or the superconducting transition in K0.4 Sr0.6 Fe2 As2.

AB - Polarized Raman spectra of nonsuperconducting SrFe2 As2 and superconducting K0.4 Sr0.6 Fe2 As2 (Tc =37K) microcrystals are reported. All four-phonon modes (A1g + B1g +2 Eg) allowed by symmetry are found and identified. Shell model gives reasonable description of the spectra. No detectable anomalies are observed near the tetragonal-to-orthorhombic transition in SrFe2 As2 or the superconducting transition in K0.4 Sr0.6 Fe2 As2.

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DO - 10.1103/PhysRevB.78.060503

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 6

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ER -

Raman-scattering study of Kx Sr1-x Fe2 As2 (x=0.0,0.4)

Abstract

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