Morphotropism of Rare-Earth Orthoborates RBO3

A diagram in the coordinates “temperature-ionic radius” is built for polymorphic and morphotropic transitions in a series of REE orthoborates. The stability fields are determined for the structural types of calcite, aragonite, vaterite, pseudo-vaterite, H-LaBO 3 , and L-SmBO 3 . The temperatures of...

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Bibliographic Details
Published inJournal of structural chemistry Vol. 60; no. 5; pp. 679 - 691
Main Author Fedorov, P. P.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.05.2019
Springer Nature B.V
Subjects
Aragonite
Atomic
Atomic/Molecular Structure and Spectra
Calcite
Chemistry
Chemistry and Materials Science
Inorganic Chemistry
Metastable phases
Molecular
Optical and Plasma Physics
Phase transitions
Physical Chemistry
Rare earth elements
Solid State Physics
morphotropism
polymorphism
borates
rare earth elements
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Summary:A diagram in the coordinates “temperature-ionic radius” is built for polymorphic and morphotropic transitions in a series of REE orthoborates. The stability fields are determined for the structural types of calcite, aragonite, vaterite, pseudo-vaterite, H-LaBO 3 , and L-SmBO 3 . The temperatures of some metastable phase transformations are estimated.
ISSN:0022-4766
1573-8779
DOI:10.1134/S0022476619050019