| Grant number: | 20/14731-0 |
| Support Opportunities: | Scholarships in Brazil - Scientific Initiation |
| Start date: | March 01, 2021 |
| End date: | February 28, 2022 |
| Field of knowledge: | Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry |
| Principal Investigator: | Celso Molina |
| Grantee: | Matheus Mota de Araujo |
| Host Institution: | Instituto de Ciências Ambientais, Químicas e Farmacêuticas (ICAQF). Universidade Federal de São Paulo (UNIFESP). Campus Diadema. Diadema , SP, Brazil |
Abstract Manganites are manganese oxides that play an important technological role due to their magnetocaloric properties and colossal magnetoresistance [1]. Some manganites have europium ions in their composition and such magnetic and luminescent properties also have not been studied as a function of pressure applied. In this work, La0,7Sr0,3MnO3 and La0,4Eu0,3Sr0,3MnO3 will be prepared by synthesis in the solid state by mixing the oxides of lanthanum, manganese, strontium and europium. Characterizations will be carried out by FTIR (Fourier transform infrared spectroscopy), XRD (x-ray diffraction), SEM (scanning electron microscopy), measurements of magnetization as a function of field, temperature, and photoluminescence. Manganites will be analyzed after applying different pressures to tablets in order to evaluate these effects on the structural, magnetic and luminescent properties. | |
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