TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Characterization of Nickel-Ferrite Nanopowder Obtained by Chemical Coprecipitation
(Universitatea Valahia, Bd. Carol I, nr 2, Târgovişte e-mail: dragosh_brezoi@yahoo.com)
Vol LX • No. 2/2008
Dragoş-Viorel Brezoi, Rodica-Mariana Ion, Gheorghe Ioniţă
Universitatea Valahia, Bd. Carol I, nr 2, Târgovişte
e-mail: dragosh_brezoi@yahoo.com

 Keywords   nickel-ferrite, coprecipitation, nanoparticles

 Abstract
This work aims to analyze the properties of nano-sized nickel-ferrite powder obtained by chemical coprecipitation. Some analytical techniques as: X-ray diffraction (XRD), transmission electron microscopy (TEM), vibrating sample magnetometery (VSM) and UV-Vis absorption diffuse-reflectance spectroscopy have been used to characterize the nickel-ferrite powder obtained.

 Rezumat
Scopul acestei lucrǎri este de a analiza proprietǎţile feritei de nichel sub formǎ de pulbere obţinutǎ prin coprecipitare chimicǎ. Caracterizarea nanopulberii de feritǎ de nichel s-a realizat prin: difracţie de raze X (XRD), microscopie electronicǎ prin transmisie (TEM), magnetometrie cu probǎ vibrantǎ (VSM) şi spectroscopie de absorbţie în UV-Viz.



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