Original paper
Topotactic Growth of Free-Standing Two-Dimensional Perovskite Niobates with Low Symmetry Phase
Abstract
Here, we report a novel topotactic method to grow 2D free-standing perovskite using KNbO3 (KN) as a model system. Perovskite KN with monoclinic phase, distorted by as large as ∼6 degrees compared with orthorhombic KN, is obtained from 2D KNbO2 after oxygen-assisted annealing at relatively low temperature (530 °C). Piezoresponse force microscopy (PFM) measurements confirm that the 2D KN sheets show strong spontaneous polarization (Ps) along...
Paper Details
Title
Topotactic Growth of Free-Standing Two-Dimensional Perovskite Niobates with Low Symmetry Phase
Published Date
May 21, 2021
Journal
Volume
21
Issue
11
Pages
4700 - 4707
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Notes
History