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Local probing of the non-uniform distribution of ferrielectric and antiferroelectric phases

Nano Research 2023年第2期16卷 3021-3027页

作者： Huimin Qiao Fangping Zhuo Zhen Liu Jinxing Wang Jeongdae Seo Chenxi Wang Jinho Kang Bin Yang Yunseok Kim School of Advanced Materials and Engineering Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea Research Center for Advanced Materials Technology Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea Department of Materials and Earth Sciences Technical University of DarmstadtDarmstadt 64287Germany Department of Physics College of ScienceNortheast Forestry UniversityHarbin 150040China Department of Physics Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea School of Instrumentation Science and Engineering Harbin Institute of TechnologyHarbin 150080China

Piezoresponse force microscopy(PFM)is an indispensable tool in the investigation of local electromechanical responses and polarization *** acquired data provide spatial information on the local disparity of polarization switching and electromechanical responses,making this technique advantageous over macroscopic *** its widespread application in ferroelectrics,it has rarely been used to investigate the ferrielectric(FiE)behaviors in antiferroelectric(AFE)***,the PFM was utilized to study the local electromechanical behavior and distribution of FiE,and the AFE phases of PbZrO_(3)thin-film were studied,where only the FiE behavior is observable using a macroscopic *** FiE region resembles a ferroelectric material at low voltages but exhibits a unique on-field amplitude response at high *** contrast,the AFE region only yields an observable response at high ***-field simulations reveal the coexistence of AFE and FiE states as well as the phase-transition processes that underpin our experimental *** work illustrates the usefulness of PFM as an analytical tool to characterize AFE/FiE materials and their phase-coexistence behavior,thereby providing insights to guide property modification and potential applications.

关键词： scanning probe microscopy ferrielectrics antiferroelectrics local electromechanical response

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