The characterization of nano-BiFe(1-x)TixO3

• Main Authors: Wen Chieh Wan, 萬文傑
• Other Authors: Gain Hwa HWANG
• Format: Others
• Language: zh-TW
• Published: 2009
• Online Access: http://ndltd.ncl.edu.tw/handle/39186847814985899853

碩士 === 高雄師範大學 === 物理學系 === 97 === This project is searching for the electric and magnetic properties of BiFe1-xTixO3. The sample (BiFe1-xTixO3) is made by solid state reaction. Then using grind mill grinds the sample in different time. And we do the structure analysis in XRD; measure the particle size of these sample in SEM; analog the magnetic and electric properties in VSM and HP4284A Impedance analyzer. In this experiment we can find that the particle size of the sample is more homogeneous and smaller if we grind the sample longer. The properties of the ground sample is following: The ferromagnetism will change to paramagnetism in longer grinding time. That is phenomenon of superparamagnetism. In addition, the electrical property is a non-tendency changing in different grinding time.