journal article·2020-11-01Open access

Temperature-dependent growth of topological insulator Bi2Se3 for nanoscale fabrication

Muhammad Naveed, Zixiu Cai, Haijun Bu, Fucong Fei, Syed Adil Shah, Bo Chen, Azizur Rahman, Kangkang Zhang, Faji Xie, Fengqi Song

AIP Advances· Volume 10· Issue 11

Abstract

Topological insulators and their characteristics are among the most highly studied areas in condensed matter physics. Bi2Se3 nanocrystals were synthesized via chemical vapor deposition at different temperatures on a silicon substrate with a gold catalyst. The effects of temperature on the obtained Bi2Se3 nanocrystals were systematically investigated. The size and length of Bi2Se3 nanocrystals change when the temperature increases from 500 °C to 600 °C. We found that the crystallization quality of the Bi2Se3 nanocrystals synthesized at 560 °C is optimal. At this temperature, we can get the desired thickness and length of the nanocrystals, which is quite suitable for nanoscale fabrication.
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Research context

OpenAlex topics: Topological Materials and Phenomena · Graphene research and applications · 2D Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

National Laboratory of Solid-State Microstructures, Collaborative Innovation Center of Advanced Microstructures, and College of Physics, Nanjing University 1 , Nanjing 210093, China

School of Physics, University of Wisconsin-Madison 2 , Madison, Wisconsin 53706, USA

High Magnetic Field Laboratory, Chinese Academy of Science 3 , Hefei, 230031 Anhui, China

Funding

The Opening Project of Wuhan National High Magnetic Field Center · The Fundamental Research Funds for the Central Universities · National Key Research and Development Program of China Stem Cell and Translational Research · Foundation for Innovative Research Groups of the National Natural Science Foundation of China · Major Basic Research Project of the Natural Science Foundation of the Jiangsu Higher Education Institutions

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