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Rare-earth-doped LaAlO3-based wide-temperature-range high-stability negative-temperature-coefficient thermal sensitive ceramic material and thermistor and preparation method thereof
The invention belongs to the technical field of electrical materials, and particularly relates to a rare earth-doped LaAlO3-based wide-temperature-range high-stability negative temperature coefficient thermal sensitive ceramic material, a thermistor and a preparation method thereof. The thermal sensitive ceramic material is prepared by solid-phase reaction of lanthanum trioxide, aluminum oxide, europium oxide, gadolinium oxide, holmium oxide or thulium oxide in percentage by weight, the chemical composition of the thermal sensitive ceramic material is La0. 9X0. 1AlO3, and X is Eu, Gd, Ho or Tm. The thermal sensitive ceramic material provided by the invention has good electrical properties and stability at high temperature.
本发明属于电学材料技术领域，具体涉及一种稀土掺杂LaAlO3基宽温区高稳定性负温度系数热敏陶瓷材料和热敏电阻及其制备方法。所述热敏陶瓷材料由三氧化二镧、三氧化二铝以及三氧化二铕、三氧化二钆、三氧化二钬或三氧化二铥按重量百分比固相反应制成，其化学组成为La0.9X0.1AlO3，其中X＝Eu、Gd、Ho或Tm。本发明的热敏陶瓷材料在高温下具有良好的电学性能和稳定性。
Rare-earth-doped LaAlO3-based wide-temperature-range high-stability negative-temperature-coefficient thermal sensitive ceramic material and thermistor and preparation method thereof
The invention belongs to the technical field of electrical materials, and particularly relates to a rare earth-doped LaAlO3-based wide-temperature-range high-stability negative temperature coefficient thermal sensitive ceramic material, a thermistor and a preparation method thereof. The thermal sensitive ceramic material is prepared by solid-phase reaction of lanthanum trioxide, aluminum oxide, europium oxide, gadolinium oxide, holmium oxide or thulium oxide in percentage by weight, the chemical composition of the thermal sensitive ceramic material is La0. 9X0. 1AlO3, and X is Eu, Gd, Ho or Tm. The thermal sensitive ceramic material provided by the invention has good electrical properties and stability at high temperature.
本发明属于电学材料技术领域，具体涉及一种稀土掺杂LaAlO3基宽温区高稳定性负温度系数热敏陶瓷材料和热敏电阻及其制备方法。所述热敏陶瓷材料由三氧化二镧、三氧化二铝以及三氧化二铕、三氧化二钆、三氧化二钬或三氧化二铥按重量百分比固相反应制成，其化学组成为La0.9X0.1AlO3，其中X＝Eu、Gd、Ho或Tm。本发明的热敏陶瓷材料在高温下具有良好的电学性能和稳定性。
Rare-earth-doped LaAlO3-based wide-temperature-range high-stability negative-temperature-coefficient thermal sensitive ceramic material and thermistor and preparation method thereof
一种稀土掺杂LaAlO3基宽温区高稳定性负温度系数热敏陶瓷材料和热敏电阻及其制备方法
XIE YONGXIN (author) / DING KAI (author) / XUE YAN (author) / LI JINYANG (author) / ZHAO PENGJUN (author) / CHANG AIMIN (author)
2024-11-15
Patent
Electronic Resource
Chinese
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