Negative thermal expansion and antiferromagnetism in the actinide oxypnictide NpFeAsO

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F12%3A00384229" target="_blank" >RIV/68378271:_____/12:00384229 - isvavai.cz</a>
Result on the web
<a href="http://link.aps.org/doi/10.1103/PhysRevB.85.174506" target="_blank" >http://link.aps.org/doi/10.1103/PhysRevB.85.174506</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevB.85.174506" target="_blank" >10.1103/PhysRevB.85.174506</a>

Result language
angličtina
Original language name
Negative thermal expansion and antiferromagnetism in the actinide oxypnictide NpFeAsO
Original language description
A neptunium analog of the LaFeAsO tetragonal layered compound has been synthesized and characterized by a variety of experimental techniques. The occurrence of long-range magnetic order below a critical temperature TN = 57 K is suggested by anomalies inthe temperature-dependent magnetic susceptibility, electrical resistivity, Hall coefficient, and specific-heat curves. First-principles electronic structure calculations based on the local spin density plus Coulomb interaction and the local density plusHubbard-I approximations provide results in good agreement with the experimental findings.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2012
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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