Structure phase transitions of polymorphic compounds with layered crystal structures: The REIr(2)Si(2) case

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10103777" target="_blank" >RIV/00216208:11320/11:10103777 - isvavai.cz</a>
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S0966979511001993" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0966979511001993</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.intermet.2011.06.011" target="_blank" >10.1016/j.intermet.2011.06.011</a>

Result language
angličtina
Original language name
Structure phase transitions of polymorphic compounds with layered crystal structures: The REIr(2)Si(2) case
Original language description
REIr(2)Si(2) (RE = La, Ce, Pr and Nd) were found to be polymorphic compounds which can crystallize in two different tetragonal types of crystallographic structures (beta-phase: CaBe(2)Ge(2)-type; alpha-phase: ThCr(2)Si(2)-type). Here we study the structural phase transitions (alpha- to beta- and beta- to alpha-) using thermal expansion, differential thermal analysis and neutron diffraction. Both phase transitions occur at temperatures lower than 1300 degrees C, have a hysteresis up to 300 degrees C, donot show any intermediate steps and are accompanied with the absorption/release of the latent heat. We conclude that these structural phase transitions are of the first order. (C) 2011 Elsevier Ltd. All rights reserved.
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
<a href="/en/project/GA202%2F09%2F1027" target="_blank" >GA202/09/1027: Exotic quantum states in 4f- and 5f-electron intermetallics</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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