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Open AccessArticle

A Universal Solution of Controlling the Distribution of Multimaterials during Macroscopic Manipulation via a Microtopography-Guided Substrate

by Changhai Li 1,2,*, Fengqiang Zhang 3, Jia Zhang 2,3,*, Bin Guo 2,4 and Zhenlong Wang 2,3,*
1
Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150001, China
2
Key Laboratory of Micro-systems and Micro-structures Manufacturing, Ministry of Education, Harbin Institute of Technology, Harbin 150080, China
3
School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China
4
School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
*
Authors to whom correspondence should be addressed.
Nanomaterials 2018, 8(12), 1036; https://doi.org/10.3390/nano8121036
Received: 2 November 2018 / Revised: 8 December 2018 / Accepted: 10 December 2018 / Published: 12 December 2018
Any object can be considered as a spatial distribution of atoms and molecules; in this sense, we can manufacture any object as long as the precise distribution of atoms and molecules is achieved. However, the current point-by-point methods to precisely manipulate single atoms and single molecules, such as the scanning tunneling microscope (STM), have difficulty in manipulating a large quantity of materials within an acceptable time. The macroscopic manipulation techniques, such as magnetron sputtering, molecular beam epitaxy, and evaporation, could not precisely control the distribution of materials. Herein, we take a step back and present a universal method of controlling the distribution of multimaterails during macroscopic manipulation via microtopography-guided substrates. For any given target distribution of multimaterials in a plane, the complicated lateral distribution of multimaterials was firstly transformed into a simple spatial lamellar body. Then, a deposition mathematical model was first established based on a mathematical transformation. Meanwhile, the microtopographic substrate can be fabricated according to target distribution based on the deposition mathematical model. Following this, the deposition was implemented on the substrate according to the designed sequence and thickness of each material, resulting in the formation of the deposition body on the substrate. Finally, the actual distribution was obtained on a certain section in the deposition body by removing the upside materials. The actual distribution can mimic the target one with a controllable accuracy. Furthermore, two experiments were performed to validate our method. As a result, we provide a feasible and scalable solution for controlling the distribution of multimaterials, and point out the direction of improving the position accuracy of each material. We may achieve real molecular manufacturing and nano-manufacturing if the position accuracy of distribution approaches the atomic level. View Full-Text
Keywords: controlling distribution position of multimaterials; macroscopic manipulation; microtopography-guided substrate; deposition surface; mathematical transformation controlling distribution position of multimaterials; macroscopic manipulation; microtopography-guided substrate; deposition surface; mathematical transformation
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MDPI and ACS Style

Li, C.; Zhang, F.; Zhang, J.; Guo, B.; Wang, Z. A Universal Solution of Controlling the Distribution of Multimaterials during Macroscopic Manipulation via a Microtopography-Guided Substrate. Nanomaterials 2018, 8, 1036.

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