Zhanzhu Li , Shiyong Shangguan , Wei Shi , Wenke Wang , Dongfeng Qi , Feifei Chen , Hongyu Zheng
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引用次数: 0
Abstract
The phenomenon of laser-induced periodic surface structures (LIPSS) evolution on As2Se3 was investigated through femtosecond laser irradiation. In this experiment, the periodic surface structure (LIPSS) is manipulated by controlling the number of pulses, ultimately achieving precise fabrication of nanopore arrays. The numerical simulation of the time-domain finite-difference technique was used to reveal the mechanism of evolution. We found that the initial formation of low-spatial frequency LIPSS (LSFL) gratings would change the distribution of the electric field and play a crucial role in the generation of subsequent nanohole arrays. One-to five-row nanohole array was prepared on the As2Se3 surface by varying the scanning speed of femtosecond laser direct writing. We have shown that the nanoholes' overall and individual morphology trends confirm the significance of the initial gratings on the subsequent structure. Finally, the large-area nanohole array prepared on the As2Se3 surface shows an excellent application in the structural color.
期刊介绍:
Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties.
Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour.
Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.