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Pregled bibliografske jedinice broj: 867373

Aqueous sol-gel route toward selected quaternary metal oxides with single and double perovskite-type structure containing tellurium


Djerd, Igor; Marković, Berislav; Popović, Jasminka; Tobias, Weller; Zvonko, Jagličić; Skoko, Željko; Pajić, Damir; Christian, Suchomski; Pascal, Voepel; Roland, Marschall; Bernd, Smarsley Smarsly
Aqueous sol-gel route toward selected quaternary metal oxides with single and double perovskite-type structure containing tellurium // Book of Asbstract YUCOMAT 2016
Herceh Novi, 2016. str. 84-84 (poster, međunarodna recenzija, sažetak, stručni)


Naslov
Aqueous sol-gel route toward selected quaternary metal oxides with single and double perovskite-type structure containing tellurium

Autori
Djerd, Igor ; Marković, Berislav ; Popović, Jasminka ; Tobias, Weller ; Zvonko, Jagličić ; Skoko, Željko ; Pajić, Damir ; Christian, Suchomski ; Pascal, Voepel ; Roland, Marschall ; Bernd, Smarsley Smarsly

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, stručni

Izvornik
Book of Asbstract YUCOMAT 2016 / - , 2016, 84-84

Skup
YUCOMAT 2016

Mjesto i datum
Herceh Novi, 05.-10.09.2016.-10.09.2016

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Tellurates, multiferroics

Sažetak
Highly crystalline SrFe2/3Te1/3O3, Ba3Fe2TeO9 and Ba2NiTeO6 have been synthesized by using a specially developed sol-gel route methodology, reducing the time needed using solid-state routes and resulting in high reaction yield up to 75 %. These materials have been studied by X-ray powder diffraction (XRPD), scanning and transmission electron microscopy, Raman spectroscopy, dielectric and magnetic measurements. At room temperature, the crystal structure of SrFe2/3Te1/3O3 is cubic, space group Pm-3m, with a = 3.9373(2) Å, whereas Ba3Fe2TeO9 crystallizes in the hexagonal crystal system, space group P63/mmc, a = 5.7691(4) Å and c = 14.208(1) Å. The third studied perovskite Ba2NiTeO6 crystallizes in trigonal R-3m space group with a = 5.7974(4) Å and c = 28.599(2) Å. Based on structural characterization results, the obtained single and double perovskite crystallites are nearly in nanometer regime, ranging from 45 to 164 nm, building micrometer sized particles with visible well-faceted hexagonal morphology. Magnetic measurements show the onset of ferromagnetic ordering at relatively high temperature of 667 K for the SrFe2/3Te1/3O3, whereas Ba3Fe2TeO9 and Ba2NiTeO6 show anti- ferromagnetic ordering below 80 and 8.6 K, respectively. The measured room temperature dielectric constants are in the range between 15 and 77.

Izvorni jezik
Engleski

Znanstvena područja
Javno zdravstvo i zdravstvena zaštita



POVEZANOST RADA


Ustanove
Nastavni zavod za javno zdravstvo "Dr. Andrija Štampar",
Medicinski fakultet, Split,
Akademija medicinskih znanosti