CeO2/NiTiO3 nanocomposites; synthesis, photoluminescence and magnetic behaviour

• Autorzy: Enhessari M. , Sakhaei M. , Salehabadi A. , Etemad L.

Identyfikatory

DOI

10.1515/msp-2017-0060

• Języki publikacji: EN

Abstrakty

EN

Pure phase NiTiO₃ was obtained via a modified sol-gel method. Addition of CeO₂ in a modified oxidizing atmosphere in stearic acid at 750 °C led to the growth of several nanoscaled Ce-rich phases. The formation of NiTiO₃ and CeO₂/NiTiO₃ was strongly confirmed based on metal-oxygen and metal-metal absorption bands. The nanometric formation of crystals and narrow distribution of nanoparticles were confirmed by XRD and FE-SEM. The magnetic properties indicated weak ferromagnetic behavior of NiTiO₃ and paramagnetic behavior of CeO₂/NiTiO₃ nanocomposites. The paramagnetic properties were improved gradually into superparamagnetic upon increasing CeO₂ domain to 30 mol%. It was observed that the current density can achieve 1 × 10^-9 A/cm₂ for the sample containing 30 mol% CeO₂ at an electrical field equal to 40 V/cm.

Słowa kluczowe

EN

NiTiO3; sol-gel; magnetic behavior; nanocomposite

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2017
• Tom: Vol. 35, No. 2
• Strony: 275--282
• Opis fizyczny: Bibliogr. 33 poz., rys.

Twórcy

autor

Enhessari M.

• Department of Chemistry, Naragh Branch, Islamic Azad University, Naragh, Iran

autor

Sakhaei M.

• Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran

autor

Salehabadi A.

• Department of Chemistry, Naragh Branch, Islamic Azad University, Naragh, Iran

autor

Etemad L.

• Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).