$First evidence for a Sm$^{3+}$-type contribution to the magnetic form factor in the quasielastic spectral response of intermediate valence SmB$_{6}$$

First evidence for a Sm$^{3+}$-type contribution to the magnetic form factor in the quasielastic spectral response of intermediate valence SmB$_{6}$

The momentum transfer dependence of the magnetic form factor associated with the quasielastic spectral component in the dynamic magnetic response of intermediate valence SmB$_{6}$ has been measured using inelastic neutron scattering on a double-isotope ($^{154}$Sm, $^{11}$B) single crystal. Th...

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Veröffentlicht in:	arXiv.org 2016-04
Hauptverfasser:	Alekseev, P A, J -M Mignot, Savchenkov, P S, Lazukov, V
Format:	Artikel
Sprache:	eng
Schlagworte:	Dependence Form factors Inelastic scattering Magnetic permeability Momentum transfer Neutron diffraction Neutron scattering Neutrons Physics - Strongly Correlated Electrons Single crystals Spectral sensitivity
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description	The momentum transfer dependence of the magnetic form factor associated with the quasielastic spectral component in the dynamic magnetic response of intermediate valence SmB$_{6}$ has been measured using inelastic neutron scattering on a double-isotope ($^{154}$Sm, $^{11}$B) single crystal. The experimental dependence differs qualitatively from those obtained earlier for the inelastic signals, as well as from the field-induced magnetic form factor of SmB$_{6}$ obtained by polarized neutron diffraction. This observation is interpreted by specifically considering the Curie-type contributions to the dynamic susceptibility, which arise from the mixing of 4f$^{5}$ and 4f$^{6}$ J-multiplets into the intermediate valence state wave function.
doi_str_mv	10.48550/arxiv.1604.06717
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The experimental dependence differs qualitatively from those obtained earlier for the inelastic signals, as well as from the field-induced magnetic form factor of SmB$_{6}$ obtained by polarized neutron diffraction. This observation is interpreted by specifically considering the Curie-type contributions to the dynamic susceptibility, which arise from the mixing of 4f$^{5}$ and 4f$^{6}$ J-multiplets into the intermediate valence state wave function.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1604.06717</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Dependence ; Form factors ; Inelastic scattering ; Magnetic permeability ; Momentum transfer ; Neutron diffraction ; Neutron scattering ; Neutrons ; Physics - Strongly Correlated Electrons ; Single crystals ; Spectral sensitivity</subject><ispartof>arXiv.org, 2016-04</ispartof><rights>2016. 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subjects	Dependence Form factors Inelastic scattering Magnetic permeability Momentum transfer Neutron diffraction Neutron scattering Neutrons Physics - Strongly Correlated Electrons Single crystals Spectral sensitivity
title	First evidence for a Sm$^{3+}$-type contribution to the magnetic form factor in the quasielastic spectral response of intermediate valence SmB$_{6}$
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First evidence for a Sm\(^{3+}\)-type contribution to the magnetic form factor in the quasielastic spectral response of intermediate valence SmB\(_{6}\)