求文献3篇，谢谢！

[序号]：1

[作者]：Dongfang Hou, et al

[题名]：Bi₄Ti₃O₁₂ nanofibers-BiOI nanosheets p-n junction

[作者]：Tae Heon Kim, et al

[题名]：Continuous control of charge transport in Bi-deficient BiFeO₃ films through local ferroelectric switching

[作者]：Daesu Lee, et al

[题名]：Active control of ferroelectric switching using defect-dipole engineering