Beschreibung
This work covers the synthesis and electrochemical characterization of donor doped barium titanate ceramics via impedance spectroscopy. Two synthesis routes were followed: The solid oxide route for microscale products and the oxalate process for nanosynthesis. The particles as well as the micrographs of sintered specimens were characterized with scanning electron microscopy. The necessary sample preparation in respect to the grain size of the material is explained in detail. Industrial samples of donor doped barium titanate were also characterized by means of impedance spectroscopy. The work offers a good introduction to the literature and methods which are applied for the characterization of electroceramics. A small chapter covers optical measurements like reflectance spectroscopy in the UV-VIS-NIR as well as solid state luminescence spectroscopy.
Autorenporträt
Johannes Hofer received his Bachelor and Master degree from the Technical University Graz. After fininshing his undergraduate studies in 2012 he went to Montanuniversitaet Leoben for his PhD-studies. The PhD-thesis Synthesis, Structure and Electrical Properties of Donor Doped Barium Titanate Ceramics was completed in June 2016.
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