作者: S. Das , Y. L. Tang , Z. Hong , M. A. P. Gonçalves , M. R. McCarter
DOI: 10.1038/S41586-019-1092-8
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摘要: … Here, by varying epitaxial constraints, we discover room-temperature polar-skyrmion bubbles in a lead titanate layer confined by strontium titanate layers, which are imaged by atomic-…