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Magnetic spectral response and lattice properties in mixed-valence Sm1-x Yx S solid solutions studied with x-ray diffraction, x-ray absorption spectroscopy, and inelastic neutron scattering

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Academic year: 2021

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TABLE I: Room temperature lattice parameters a 0 of mea- mea-sured Sm 1 −x Y x S and La 0.75 Y 0.25 S samples.
FIG. 2: (Color online) Temperature dependences of lattice properties in Sm 1 −x Y x S as obtained from x-ray diffraction measurements: (a) lattice constant for x = 0.33 and 0.45;
FIG. 3: (Color online) LA phonon dispersion along the [111] direction for Sm 0.83 Y 0.17 S and Sm 0.67 Y 0.33 S; dashed line: data for SmS from Ref
FIG. 5: (Color online) Room-temperature (RT) magnetic scattering function in Sm 1 −x Y x S, measured at a scattering angle h2θi = 5 ◦ (momentum transfer Q = 1.26 and 3.1 ˚A − 1 for incident neutron energies E i = 36 and 130 meV, respec-tively)
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