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Regulation of Two-Dimensional Lattice Deformation Recovery
Authors
Yunxu Chen
Lei Fu
+8 more
Jin Gao
Ke Huang
Xiaoyang Liang
Jinxin Liu
Mark H. Rümmeli
Xianyin Song
Xiangheng Xiao
Lu Zhou
Publication date
1 January 2019
Publisher
Amsterdam [u.a.] : Elsevier
Doi
Cite
Abstract
The lattice directly determines the electronic structure, and it enables controllably tailoring the properties by deforming the lattices of two-dimensional (2D)materials. Owing to the unbalanced electrostatic equilibrium among the dislocated atoms, the deformed lattice is thermodynamically unstable and would recover to the initial state. Here, we demonstrate that the recovery of deformed 2D lattices could be directly regulated via doping metal donors to reconstruct electrostatic equilibrium. Compared with the methods that employed external force fields with intrinsic instability and nonuniformity, the stretched 2D molybdenum diselenide (MoSe2)could be uniformly retained and permanently preserved via doping metal atoms with more outermost electrons and smaller electronegativity than Mo. We believe that the proposed strategy could open up a new avenue in directly regulating the atomic-thickness lattice and promote its practical applications based on 2D crystals. © 2019 The Author(s
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Last time updated on 23/12/2022