<div class="csl-bib-body">
<div class="csl-entry">Perucchi, A., Marini, C., Valentini, M., Postorino, P., Sopracase, R., Dore, P., Hansmann, P., Jepsen, O., Sangiovanni, G., Toschi, A., Held, K., Topwal, D., Sarma, D. D., & Lupi, S. (2009). Pressure and alloying effects on the metal to insulator transition in NiS₂₋ₓSeₓ studied by infrared spectroscopy. <i>Physical Review B</i>, <i>80</i>(073101). https://doi.org/10.1103/physrevb.80.073101</div>
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dc.identifier.issn
2469-9950
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dc.identifier.uri
http://hdl.handle.net/20.500.12708/166102
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dc.description.abstract
The metal to insulator transition in the charge-transfer NiS2‑xSex compound has been investigated through infrared reflectivity. Measurements performed by applying pressure to pure NiS2 (lattice contraction) and by Se alloying (lattice expansion) reveal that in both cases an anomalous metallic state is obtained. We find that optical results are not compatible with the linear Se-alloying vs pressure-scaling relation previously established through transport, thus pointing out the substantially different microscopic origin of the two transitions.
en
dc.language.iso
en
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dc.publisher
AMER PHYSICAL SOC
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dc.relation.ispartof
Physical Review B
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dc.subject
Condensed Matter Physics
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dc.subject
Electronic, Optical and Magnetic Materials
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dc.title
Pressure and alloying effects on the metal to insulator transition in NiS₂₋ₓSeₓ studied by infrared spectroscopy
