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Synthesis and structural chemistry of cation ordered double perovskite via novel sol-gel route (CROSBI ID 629555)

Prilog sa skupa u časopisu | sažetak izlaganja sa skupa | međunarodna recenzija

Suraj, Mal ; Nuskol, Marko ; Popović, Jasminka ; Skoko, Željko ; Bijelić, Mirjana ; Đerđ, Igor Synthesis and structural chemistry of cation ordered double perovskite via novel sol-gel route // Acta crystallographica. Section A, Foundations and advances. 2015. str. s337-s337

Podaci o odgovornosti

Suraj, Mal ; Nuskol, Marko ; Popović, Jasminka ; Skoko, Željko ; Bijelić, Mirjana ; Đerđ, Igor

engleski

Synthesis and structural chemistry of cation ordered double perovskite via novel sol-gel route

Sol-gel methodes provide an advantages in respect to manipulation over stochiometry for preparation of materials within advanced technologies including magnetism, dielectric behavior, conductivity or even multiferroic behavior. The stochiometric changes can lead to obtain double perovskite with general formula A2B'B''O6 which are widely studied so far [1-3], where six coordinate sites are occupied by B' and B'', while 12-coordinate sites are occupied by A cation. Additionaly another interesting class of multiferroic compounds with more complex geometry (A3B'2B''O9) have been investigated (Sr3Fe2MoO9 and Sr3Fe2UO9) and reported with strong ferromagnetic properties with TC well above room temperature [4-5]. The major drawback while synthesizing above mentioned metal oxides is the tedious solid state synthesis which require high temperature calcination and more time for phase purity. Here we report a successful synthesis of double perovskite Ba3Fe2TeO9 and Sr3Fe2TeO9 by novel environmental friendly 'sol-gel' process using citric acid as complexing medium followed by calcination step. Both compoundshave been studied by powder X-ray diffraction (Rietveld), transmission electron microscopy (TEM), scanning electron microscopy (SEM) and magnetic measurements.

sol-gel ; tellurates

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Podaci o prilogu

s337-s337.

2015.

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objavljeno

Podaci o matičnoj publikaciji

Acta crystallographica. Section A, Foundations and advances

2053-2733

Podaci o skupu

European Crystallographic Meeting (29 ; 2015)

poster

23.08.2015-30.08.2015

Rovinj, Hrvatska

Povezanost rada

Kemija

Indeksiranost