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Motivated by the complex structure and properties of giant unit cell intermetallic compounds, a new isostructural Fe analogue of the Dy117Co57Sn112structure type was synthesized. Single crystals of Dy122Fe55Sn101were grown at 1260 °C via a Dy–Fe eutectoid flux. The Fe analogue also adopts the space groupFm3mwith lattice parametersa= 29.914(9) Å,V= 26769(23) Å3, andZ= 4. Dy122Fe55Sn101has a large cell volume, structural complexity, and consists of seven Dy, eight Fe, and ten Sn unique crystallographic sites. There are fifteen fully occupied atomic positions, three unique pairs of alternating atomic positions with positional disorder, and seven partially occupied atomic sites. Within this complex unit cell, only approximately half the unique atomic positions are fully occupied with the remainder of the atoms either positionally or occupationally disordered. X‐ray photoelectron spectroscopy indicates that the compound contains Dy3+, Fe0, Fe2+, Sn0, and Sn4+.
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This content will become publicly available on March 4, 2026
In situ Raman investigation of Dy complexation in Cl-bearing aqueous solutions at 20–300 °C
The firstin situRaman spectroscopic measurements of Dy speciation in hydrothermal fluids to 300 °C indicate that the Dy3+aqua ion (v1,Dy–O) is stable in acidic DyCl3solutions up to 200 °C above which Dy chloride complexes (vDy–Cl) predominate.
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- Award ID(s):
- 2117061
- PAR ID:
- 10614739
- Publisher / Repository:
- Royal Society of Chemistry
- Date Published:
- Journal Name:
- Dalton Transactions
- Volume:
- 54
- Issue:
- 10
- ISSN:
- 1477-9226
- Page Range / eLocation ID:
- 4286 to 4302
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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