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焰熔法生长LaAlO3晶体的介电性质研究
THE CRYSTAL GROWTH AND DIELECTRIC PROPERTIES OF LaAlO3 CRYSTAL
【摘要】 报道 LaAlO3晶体的焰熔法生长及其介电性质.所生长晶体的最大尺寸达Φ15×25mm3.LaAlO3晶体具有六方结构,晶胞参数为a=b=5.36■,c=13.11(?).晶体在室温下介电常数为24.2,介电损耗小于5×10-4(10kHz).
【Abstract】 Single crystals of LaAlO3 have been grown by verneuil method at first time.The crystalsize is up to Φ15×25mm3.The LaAlO3 crystal have hexagonal structure with lattice param-eter of a=b=5.36■and c=13.11■.At room temperature,the ε/ε0=24.2 and tgδ lessthan 5×10-4(f=10kHz)
- 【文献出处】 山东大学学报(自然科学版) ,Journal of Shandong University , 编辑部邮箱 ,1992年03期
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