Intermediate ytterbium valence in YbRhSn<sub>2</sub>

Schumacher, Lars; Engelbert, Simon; Reimann, Maximilian Kai; Kösters, Jutta; Pöttgen, Rainer

doi:10.1515/znb-2022-0099

Cited by 2 publications

(1 citation statement)

References 41 publications

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“…Hard X-ray photoelectron spectra and magnetic susceptibility measurements point to an ytterbium valence of ∼2.5. 218 The stannide YbRhSn 2 219 and the solid solution YbIn 1−x Au 1+x (x = 0−0.3) 220…”

Section: Further Ternary Compoundsmentioning

confidence: 99%

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

Engel,

Gießelmann,

Reimann

et al. 2024

ACS Org. Inorg. Au

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The present review summarizes important aspects of the crystal chemistry of ytterbium-based intermetallic compounds along with a selection of their outstanding physical properties. These originate in many cases from the ytterbium valence. Different valence states are possible here, divalent (4f 14 ), intermediate-valent, or trivalent (4f 13 ) ytterbium, resulting in simple diamagnetic, Pauli or Curie−Weiss paramagnetic, or valence fluctuating behavior. Especially, some of the Yb 3+ intermetallics have gained deep interest due to their Kondo or heavy Fermion ground states. We have summarized their property investigations using magnetic and transport measurements, specific heat data, NMR, ESR, and Mossbauer spectroscopy, elastic and inelastic neutron scattering, and XAS data as well as detailed thermoelectric measurements.

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Section: Further Ternary Compoundsmentioning

confidence: 99%

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

Engel,

Gießelmann,

Reimann

et al. 2024

ACS Org. Inorg. Au

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Structure and ¹¹⁹Sn Mössbauer-spectroscopic characterization of BaRhSn₂

Reimann

Koldemir

Block

et al. 2023

Zeitschrift Für Naturforschung B

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The stannide BaRhSn2 was synthesized by induction melting of an arc-melted RhSn2 precursor compound with barium in a sealed tantalum ampoule. The structure of BaRhSn2 was refined from single-crystal X-ray diffractometer data: MgCuAl2 type, Cmcm, a = 437.56(4), b = 1242.35(10), c = 767.30(6) pm, wR2 = 0.0845, 469 F 2 values and 16 variables. The rhodium and tin atoms form a two-dimensional [RhSn2] δ− polyanionic network with short Rh–Sn (273–274 pm) and Sn–Sn (303–312 pm) distances. The large barium atoms lead to a substantial orthorhombic distortion of the (lonsdaleite-related) tin substructure, forcing a break of the Sn–Sn bond in b direction. This change in the tin substructure is reflected in the 119Sn Mössbauer spectrum. The tin atoms exhibit a higher s electron density which is expressed in an increased isomer shift of δ = 2.08(1) mm s−1 as compared to the previously reported stannide CaRhSn2 with a three-dimensional [RhSn2] δ− polyanionic network and δ = 1.96(4) mm s−1.

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Intermediate ytterbium valence in YbRhSn₂

Cited by 2 publications

References 41 publications

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

Structure and ¹¹⁹Sn Mössbauer-spectroscopic characterization of BaRhSn₂

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Intermediate ytterbium valence in YbRhSn2

Cited by 2 publications

References 41 publications

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

On the Ytterbium Valence and the Physical Properties in Selected Intermetallic Phases

Structure and 119Sn Mössbauer-spectroscopic characterization of BaRhSn2

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About

Intermediate ytterbium valence in YbRhSn₂

Structure and ¹¹⁹Sn Mössbauer-spectroscopic characterization of BaRhSn₂