Seeing Structural Mechanisms of Optimized Piezoelectric and Thermoelectric Bulk Materials through Structural Defect Engineering

Autor: Yang Zhang, Wanbo Qu, Guyang Peng, Chenglong Zhang, Ziyu Liu, Juncheng Liu, Shurong Li, Haijun Wu, Lingjie Meng, Lumei Gao
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Materials, Vol 15, Iss 2, p 487 (2022)
Druh dokumentu: article
ISSN: 15020487
1996-1944
DOI: 10.3390/ma15020487
Popis: Aberration-corrected scanning transmission electron microscopy (AC-STEM) has evolved into the most powerful characterization and manufacturing platform for all materials, especially functional materials with complex structural characteristics that respond dynamically to external fields. It has become possible to directly observe and tune all kinds of defects, including those at the crucial atomic scale. In-depth understanding and technically tailoring structural defects will be of great significance for revealing the structure-performance relation of existing high-property materials, as well as for foreseeing paths to the design of high-performance materials. Insights would be gained from piezoelectrics and thermoelectrics, two representative functional materials. A general strategy is highlighted for optimizing these functional materials’ properties, namely defect engineering at the atomic scale.
Databáze: Directory of Open Access Journals
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