Synthesis and Structure Characterisation of Micro-and Nanocrystalline Powders of Dy_{1-x}R_xFeO₃ (R = La, Pr, Nd, Sm, Gd)

• Authors: O. Pavlovska , I. Lutsyuk , A. Kondyr , Ya. Zhydachevskyy , Ya. Vakhula , A. Pieniążek , L. Vasylechko
• Languages of publication: EN

Abstracts

EN

This work deals with the study of the phase and crystal structure behaviour of new micro- and nanocrystalline ferrites Dy_{1-x}R_xFeO₃ obtained by solid state reactions (R = La, Pr) and sol-gel citrate (R = Nd, Sm, Gd) techniques. It was established that all synthesized samples adopt orthorhombic perovskite structure isotypic with GdFeO₃. Unit cell dimensions and atomic coordinates of the mixed rare earth ferrites derived by full profile Rietveld refinement technique agree well with the data of the "pure" DyFeO₃ and RFeO₃ compounds, thus proving formation of continuous solid solutions Dy_{1-x}R_xFeO₃ in the DyFeO₃-RFeO₃ systems (R = La, Pr, Nd, Sm, Gd). Peculiarity of the Dy_{1-x}La_xFeO₃ series is the lattice parameters crossover and formation of dimensionally tetragonal structure at x ≈0.97.

Keywords

EN

61.66.Fn; 61.05.cp

Discipline

• 61.66.Fn: Inorganic compounds
• 61.05.cp: X-ray diffraction

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 4
• Pages: 802-805

Dates

published

2018-04

Contributors

author

O. Pavlovska

• Semiconductor Electronics Department of Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine

author

I. Lutsyuk

• Department of Chemical Technology of Silicates of Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine

author

A. Kondyr

• Department of Applied Physics and Nanomaterials Science of Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine

author

Ya. Zhydachevskyy

• Semiconductor Electronics Department of Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine
• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

Ya. Vakhula

• Department of Chemical Technology of Silicates of Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine

author

A. Pieniążek

• Institute of Physics, Polish Academy of Sciences, Aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

L. Vasylechko

• Semiconductor Electronics Department of Lviv Polytechnic National University, 12 Bandera Str., 79013 Lviv, Ukraine

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Identifiers

DOI

10.12693/APhysPolA.131.802