期刊
JOURNAL OF ADVANCED CERAMICS
卷 7, 期 2, 页码 99-108出版社
SPRINGEROPEN
DOI: 10.1007/s40145-018-0261-9
关键词
multiferroic; X-ray diffraction (XRD); electrical properties; conductivity; impedance spectroscopy; NTCR thermistor
In the present study, Zn-doped CaTiO3 nanocrystalline was synthesized to study the thermistor behavior with temperature. The X-ray powder diffraction analysis showed the formation of a single-phase orthorhombic structure at room temperature. The electrical resistance of the Zn-doped CaTiO3 increased with increasing doping concentration and decreased at higher measuring temperature, showing a negative temperature coefficient of resistance (NTCR) behavior. Different thermistor parameters were calculated using Steinhart-Hart equations, whilst time domain analysis confirmed faster response towards applied voltage.
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