2019年4月10日 · For ferroelectrics and other polar materials, the introduction of one of the voltage-modulated versions of AFM—piezoresponse force microscopy (PFM)—has produced …

素掺杂方式改善AFE材料性能的工作. 在PZO 反铁电材料中, 通过La3+, Ba2+, Sr2+ 等在A 位和Sn4+, Ti4+, Nb5+ 等在B位掺杂改性可以获得新的AFE 体系, 例如: Pb(Zr, Ti)O3[46], (Pb, …

Piezoresponse force microscopy (PFM) is a variant of atomic force microscopy (AFM) that allows imaging and manipulation of piezoelectric/ferroelectric materials domains.

2024年10月22日 · 近日，澳大利亚悉尼大学，加泰罗尼亚纳米科学和纳米技术研究所的刘颖博士后制备了一个厚度范围从5到80 nm，厚度梯度为7.5 nm/mm的PZO薄膜。 不同厚度梯度的PZO …

In this study, we fabricated a PZO film with thicknesses varying from 5 to 80 nm. Using Piezoresponse Force Microscopy, we discovered that the film displayed a transition from …

2019年1月1日 · PFM is detecting the electromechanical material response when locally biased with a conductive scanning probe microscopy (SPM) tip. The response is based on the inverse …

Achieving ultrahigh energy density at low electric field/voltage, however, remains a challenge for insulating dielectric materials. Taking advantage of the phase transition in antiferroelectric...

2022年11月21日 · 本文制备了宏观表现为亚铁电特征的锆酸铅（PbZrO 3 ，PZO）薄膜，并用PFM研究了其中亚铁电和反铁电两相的机电响应和分布特征。结果表明，亚铁电相在低电压时 …

2024年7月29日 · In this study, we fabricated a PZO film with thicknesses varying from 5 to 80 nm. Using Piezoresponse Force Microscopy, we discovered that the film displayed a transition …

PFM phase (A) and amplitude (B) curves from 80 nm PZO region (voltage on-mode). PFM phase (C) and amplitude (D) curves (voltage off-mode) acquired from the PZO thin film of about 12.5 …