$Neutron scattering Measurements of the phonon density of states of FeSe$_{1-x}$ superconductors$

Neutron scattering Measurements of the phonon density of states of FeSe$_{1-x}$ superconductors

Inelastic neutron-scattering experiments have been carried out on polycrystalline samples of the FeSe$_{1-x}$ superconductors. We report the phonon density of states for FeSe$_{1-x}$ with Tc$\approx$8 K. The phonon cutoff frequency is observed around 40 meV. No significant change is observed a...

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Veröffentlicht in:	arXiv.org 2009-02
Hauptverfasser:	Phelan, D, Millican, J N, Thomas, E L, Leao, J B, Qiu, Y, Paul, R
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Sprache:	eng
Schlagworte:	Density of states First principles Inelastic scattering Neutron scattering Neutrons Phonons Physics - Superconductivity
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creator	Phelan, D Millican, J N Thomas, E L Leao, J B Qiu, Y Paul, R
description	Inelastic neutron-scattering experiments have been carried out on polycrystalline samples of the FeSe$_{1-x}$ superconductors. We report the phonon density of states for FeSe$_{1-x}$ with Tc$\approx$8 K. The phonon cutoff frequency is observed around 40 meV. No significant change is observed across the superconducting transition. The measurements support the published first-principles calculations [A. Subedi et al., Phys. Rev. B \textbf{78}, 134514 (2008)].
doi_str_mv	10.48550/arxiv.0811.1215
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subjects	Density of states First principles Inelastic scattering Neutron scattering Neutrons Phonons Physics - Superconductivity
title	Neutron scattering Measurements of the phonon density of states of FeSe$_{1-x}$ superconductors
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Neutron scattering Measurements of the phonon density of states of FeSe\(_{1-x}\) superconductors