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Synthesis of glasses and glassceramics in the system SbPO4-PbO-ZnO doped with manganese and iron.

Grant number: 12/05087-4
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): August 01, 2012
Effective date (End): July 31, 2014
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Inorganic Chemistry
Principal Investigator:Marcelo Nalin
Grantee:Renata Fernandes Siqueira
Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Associated scholarship(s):13/06942-8 - Structural and magnetic properties studies of heavy metal oxide glasses containing transition metals, BE.EP.MS


This project aims to obtain heavy metal oxides based glasses doped with transition metal salts (Mn, Fe, Ag, Ni, Au). The Glass compositions will be prepared by the melting-quenching technique. The project also aims the preparation and characterization of glass-ceramics by controlled heat treatment of the glasses in a temperature above the glass transition. To study the thermal, structural, optical and magnetic properties of the glasses and glass-ceramics, the samples will be analyzed by thermal analysis (DSC), UV-Vis and Raman spectroscopy, electron paramagnetic resonance (EPR), and magnetic measurements will be done with a vibrating sample magnetometer (VSM). To verify the presence of nanoparticles, transmission electron microscopy (TEM) will be used. The characterization of the nanoparticles can also be performed using chemical analysis (EDX) and X-ray diffraction.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MANZAN, RENATA S.; DONOSO, JOSE P.; MAGON, CLAUDIO J.; SILVA, IGOR D'ANCIAES A.; RUESSEL, CHRISTIAN; NALIN, MARCELO. Optical and Structural Studies of Mn2+ Doped SbPO4-ZnO-PbO Glasses. Journal of the Brazilian Chemical Society, v. 26, n. 12, p. 2607-2614, . (13/07793-6, 12/05087-4)
SANTOS, MOLIRIA V.; TERCJAK, AGNIESZKA; GUTIERREZ, JUNKAL; BARUD, HERNANE S.; NAPOLI, MARIANA; NALIN, MARCELO; RIBEIRO, SIDNEY J. L.. Optical sensor platform based on cellulose nanocrystals (CNC)-4'-(hexyloxy)-4-biphenylcarbonitrile (HOBC) bi-phase nematic liquid crystal composite films. Carbohydrate Polymers, v. 168, p. 346-355, . (14/12424-2, 13/07793-6, 12/05087-4)

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