摘要
采用化学镀和黏接法制备层状磁电复合材料Ni/PZT/TbFe2,研究其磁电性能及谐振频率随Ni层厚度的变化情况.结果表明Ni/PZT/TbFe2层状磁电复合材料与其他结构的磁电性能不同,其一阶弯曲谐振峰值和纵向谐振峰值都很大.随着Ni层厚度的增加,Ni/PZT/TbFe2层状磁电复合材料的一阶纵向谐振峰值逐渐增大.结合实验数据和理论计算值得出了材料的一阶弯曲谐振频率fr1和一阶纵向谐振频率fr2都随Ni层厚度的增加而向高频方向偏移.
Layered magnetoelectric Ni /PZT /TbFe2 composites have been prepared by electroless deposition and bonding method.The influence of the Ni layer thickness on ME coupling and resonance frequency is discussed.The results show that the magnetoelectric coefficient of Ni /PZT /TbFe2 composites changes differently from that of other composites and two remarkable resonance peaks have been observed.The magnetoelectric voltage coefficient at the first-order longitudinal resonance mode increases as the Ni layer thickness increases.Both experimental and calculated data reveal that the first-order bending resonance frequency fr1 and longitudinal resonance frequency fr2 increase with the Ni layer thickness.
出处
《物理学报》
SCIE
EI
CAS
CSCD
北大核心
2011年第5期697-701,共5页
Acta Physica Sinica
基金
国家大学生创新性实验计划(批准号:091028735)
江苏省研究生培养创新工程(批准号:CX10B_099Z)
江苏省自然科学基金(批准号:BK2010505)
南京航空航天大学科研创新基金资助的课题~~
关键词
磁电效应
正磁致伸缩
负磁致伸缩
谐振频率
magnetoelectric effect
positive magnetostrictive
negative magnetostrictive
resonance frequency
