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Defect-Mediated Room Temperature Ferromagnetism in Lead-Free Ferroelectric Na 0.5 Bi 0.5 TiO 3 Materials
Journal of Superconductivity and Novel Magnetism ( IF 1.8 ) Pub Date : 2020-01-04 , DOI: 10.1007/s10948-019-05399-9 D. D. Dung , N. Q. Dung , N. B. Doan , N. H. Linh , L. H. Bac , N. N. Trung , N. V. Duc , L.T. H. Thanh , L. V. Cuong , D. V. Thiet , S. Cho
Journal of Superconductivity and Novel Magnetism ( IF 1.8 ) Pub Date : 2020-01-04 , DOI: 10.1007/s10948-019-05399-9 D. D. Dung , N. Q. Dung , N. B. Doan , N. H. Linh , L. H. Bac , N. N. Trung , N. V. Duc , L.T. H. Thanh , L. V. Cuong , D. V. Thiet , S. Cho
The injection of ferromagnetism properties to ferroelectric materials is a feasible strategy for integrating new functionalities to create next-generation electronic devices. In this study, Ni-doped lead-free ferroelectric Na0.5Bi0.5TiO3 materials were synthesized using the sol-gel method. The optical band gap was reduced from 3.12 eV to 2.23 eV for un-doped and 9 mol% Ni-doped Na0.5Bi0.5TiO3 materials, respectively, when Ni was substituted at the Ti site. The Ni-doped Na0.5Bi0.5TiO3 materials exhibited ferromagnetism at room temperature. The maximum magnetization was found to be 0.91 μB/Ni. Our work offers insight into the role of transition metals in room temperature ferromagnetism in lead-free ferroelectric materials for the creation of new types of green multiferroic materials.
中文翻译:
无铅铁电体Na 0.5 Bi 0.5 TiO 3材料中的缺陷介导的室温铁磁性
将铁磁性质注入铁电材料中是整合新功能以创建下一代电子设备的可行策略。在这项研究中,使用溶胶-凝胶法合成了Ni掺杂的无铅铁电Na 0.5 Bi 0.5 TiO 3材料。当在Ti位点上取代Ni时,对于未掺杂的和9mol%的Ni掺杂的Na 0.5 Bi 0.5 TiO 3材料,光学带隙分别从3.12eV减小到2.23eV 。Ni掺杂的Na 0.5 Bi 0.5 TiO 3材料在室温下表现出铁磁性。最大的磁化被发现是0.91μ乙/你。我们的工作提供了无铅铁电材料中过渡金属在室温铁磁性中的作用的信息,可用于创建新型绿色多铁性材料。
更新日期:2020-01-04
中文翻译:
无铅铁电体Na 0.5 Bi 0.5 TiO 3材料中的缺陷介导的室温铁磁性
将铁磁性质注入铁电材料中是整合新功能以创建下一代电子设备的可行策略。在这项研究中,使用溶胶-凝胶法合成了Ni掺杂的无铅铁电Na 0.5 Bi 0.5 TiO 3材料。当在Ti位点上取代Ni时,对于未掺杂的和9mol%的Ni掺杂的Na 0.5 Bi 0.5 TiO 3材料,光学带隙分别从3.12eV减小到2.23eV 。Ni掺杂的Na 0.5 Bi 0.5 TiO 3材料在室温下表现出铁磁性。最大的磁化被发现是0.91μ乙/你。我们的工作提供了无铅铁电材料中过渡金属在室温铁磁性中的作用的信息,可用于创建新型绿色多铁性材料。