Low temperature synthesis and characterization of lanthanide-doped BaTiO3 nanocrystals.
Low temperature synthesis and characterization of lanthanide-doped BaTiO3 nanocrystals.
复制标题
DOI：
10.1039/c3cc49575b
复制
发表时间：
2014-03
影响因子：
4.9
通讯作者：
Sean P. Culver;V. Stepanov;Matthew Mecklenburg;Susumu Takahashi;R. Brutchey
中科院分区：
文献类型：
--
作者：
Sean P. Culver;V. Stepanov;Matthew Mecklenburg;Susumu Takahashi;R. Brutchey
采用气相扩散溶胶-凝胶（VDSG）法在室温下合成了~10 nm、掺杂0.4、0.8和1.6 mol% La：BaTiO 3和掺杂0.4、0.6和1.2 mol% Dy：BaTiO 3纳米晶。在0.8mol%La：BaTiO 3和1.2mol%Dy：BaTiO 3纳米晶体中分别观察到176和208的最大系综相对折射率，相对于未掺杂的BaTiO 3（在1 MHz，25 °C）的89，这是由于异价取代引起的局部无序。
The vapor diffusion sol-gel (VDSG) method was employed for the room-temperature synthesis of ~10 nm, aliovalently doped 0.4, 0.8, and 1.6 mol% La:BaTiO3 and 0.4, 0.6, and 1.2 mol% Dy:BaTiO3 nanocrystals. Maximum ensemble relative permittivities of 176 and 208 were observed in the 0.8 mol% La:BaTiO3 and the 1.2 mol% Dy:BaTiO3 nanocrystals, respectively, relative to 89 for undoped BaTiO3 (at 1 MHz, 25 °C) due to local disorder induced by aliovalent substitution.