Topic
Moiré pattern
About: Moiré pattern is a research topic. Over the lifetime, 1917 publications have been published within this topic receiving 27176 citations. The topic is also known as: moiré fringes & moire pattern.
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TL;DR: In this article , the growth mechanism of monodisperse metal nanoclusters on transition metal substrates has been investigated based on first-principles calculations, and the results indicate that the induced sp 2 -sp 3 rehybridization of C atoms plays a key role for the templated growth.
4 citations
TL;DR: In this article , the authors show that the nodes of a twisted bilayers can be considered topological defects, and discover antivortices formed in strained moir\'e systems using transmission electron micrographs.
Abstract: Twisted bilayers of two-dimensional materials contain a moir\'e superatomic lattice domain that can be bounded by a domain boundary network. The authors show here that the nodes of this network can be considered topological defects. While the nodes in previously studied twisted moir\'e materials are vortices, the authors discover antivortices formed in strained moir\'e systems using transmission electron micrographs. This work provides insight into the underlying rules governing moir\'e structures, inspiring the construction of new types of moir\'e interfaces.
4 citations
TL;DR: In this article, the authors designed and generated gradient photonic moire lattice fields comprising three varying periodic moire wavefields, which can be used to fabricate photonic lattices in optical storage media for light modulation.
Abstract: We designed and generated gradient photonic moire lattice fields comprising three varying periodic moire wavefields. Because of the common twisted angles between periodic triangular and hexagonal moire wavefields, gradient patterns can be easily obtained through coherent superposition of hexagonal-triangular-hexagonal photonic moire lattice fields. In addition, two specific twisted angles of Δα|C=3 and Δα|C=5 are proposed, which not only guarantee the periodicity of moire fields but also provide an additional degree of freedom to control the structural arrangement of the gradient photonic moire lattice fields. Further study reveals the non-diffracting character of the gradient photonic moire lattice field generated using the holographic method. This study proposes an easy way to generate and control the structures of gradient moire lattice fields that can be used to fabricate photonic lattices in optical storage media for light modulation.
4 citations
TL;DR: In this paper, a method for obtaining real-time holographic moire-like patterns and measuring small angles is proposed, where two rotated sinusoidal phase gratings are superposed and the result represents a promising technique for making small-angle measurements in metrological applications.
Abstract: A procedure for obtaining real-time holographic moirelike patterns and measuring small angles is proposed. Two rotated sinusoidal phase gratings are superposed, and the result represents a promising technique for making small-angle measurements in metrological applications. The experiments are performed with a diffusion-only recording mechanism in the photorefractive crystal Bi12TiO20 illuminated by lambda = 0.633 microm light from a He-Ne laser.
4 citations
TL;DR: A new use for the phase-stepping technique in holographic moiré is demonstrated, providing instantaneous determination of in-plane and out-of-plane displacements without the necessity for auxiliary carrier fringes.
Abstract: A new use for the phase-stepping technique in holographic moire is demonstrated. The method has the advantage of providing instantaneous determination of in-plane and out-of-plane displacements without the necessity for auxiliary carrier fringes.
4 citations