Preparation and Structural Analysis of PVDF/BiFeO3 composite ferroelectric film

• Main Authors: Fang,Yang Han, 房彥翰
• Other Authors: Soo,Yun Liang
• Format: Others
• Language: zh-TW
• Published: 2015
• Online Access: http://ndltd.ncl.edu.tw/handle/22621430894442964684

碩士 === 國立清華大學 === 物理系 === 103 === Ferroelectric materials have aroused considerable research interest for their important applications in memory devices due to hysteresis effects. In the present work, we seek a simple method to prepare ferroelectric materials at low cost while maintaining their basic ferroelectric hysteresis effect. We anticipate that the pulsed laser deposition process may be replaced by our improved preparation method in the future. The BiFeO3 particles were synthesized by a hydrothermal method, then composited with PVDF. An external electric field was then applied to correct the direction of total dipole moment of the particles in the sample preparation process for enhancing the polarization.