中国物理B ›› 2022, Vol. 31 ›› Issue (8): 86801-086801.doi: 10.1088/1674-1056/ac70c1

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Two-dimensional Sb cluster superlattice on Si substrate fabricated by a two-step method

Runxiao Zhang(张润潇)1,2,†, Zi Liu(刘姿)1,2,†, Xin Hu(胡昕)1,2, Kun Xie(谢鹍)1,2, Xinyue Li(李新月)1,2, Yumin Xia(夏玉敏)1,2, and Shengyong Qin(秦胜勇)1,2,‡   

  1. 1 CAS Key Laboratory of Strongly Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei 230026, China;
    2 International Center for Quantum Design of Functional Materials(ICQD), University of Science and Technology of China, Hefei 230026, China
  • 收稿日期:2022-03-19 修回日期:2022-05-02 接受日期:2022-05-18 出版日期:2022-07-18 发布日期:2022-07-18
  • 通讯作者: Shengyong Qin E-mail:syqin@ustc.edu.cn
  • 基金资助:
    Project supported by the National Key Basic Research Program of China (Grant No. 2017YFA0205004), the National Natural Science Foundation of China (Grant Nos. 92165201, 11474261, and 11634011), the Fundamental Research Funds for the Central Universities (Grant Nos. WK3510000006, and WK3430000003), the Anhui Initiative in Quantum Information Technologies (Grant No. AHY170000).

Two-dimensional Sb cluster superlattice on Si substrate fabricated by a two-step method

Runxiao Zhang(张润潇)1,2,†, Zi Liu(刘姿)1,2,†, Xin Hu(胡昕)1,2, Kun Xie(谢鹍)1,2, Xinyue Li(李新月)1,2, Yumin Xia(夏玉敏)1,2, and Shengyong Qin(秦胜勇)1,2,‡   

  1. 1 CAS Key Laboratory of Strongly Coupled Quantum Matter Physics, Department of Physics, University of Science and Technology of China, Hefei 230026, China;
    2 International Center for Quantum Design of Functional Materials(ICQD), University of Science and Technology of China, Hefei 230026, China
  • Received:2022-03-19 Revised:2022-05-02 Accepted:2022-05-18 Online:2022-07-18 Published:2022-07-18
  • Contact: Shengyong Qin E-mail:syqin@ustc.edu.cn
  • Supported by:
    Project supported by the National Key Basic Research Program of China (Grant No. 2017YFA0205004), the National Natural Science Foundation of China (Grant Nos. 92165201, 11474261, and 11634011), the Fundamental Research Funds for the Central Universities (Grant Nos. WK3510000006, and WK3430000003), the Anhui Initiative in Quantum Information Technologies (Grant No. AHY170000).

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摘要： Nanoclusters consisting of a few atoms have attracted a lot of research interests due to their exotic size-dependent properties. Here, well-ordered two-dimensional Sb cluster superlattice was fabricated on Si substrate by a two-step method and characterized by scanning tunneling microscopy. High resolution scanning tunneling microscope measurements revealed the fine structures of the Sb clusters, which consist of several Sb atoms ranging from 2 to 7. Furthermore, the electronic structure of the nanocluster displays the quantized energy-level which is due to the single-electron tunneling effects. We believe that the fabrication of Sb cluster superlattice broadens the species of the cluster superlattice and provides a promising candidate to further explore the novel physical and chemical properties of the semimetal nanocluster.

关键词: microstructure, nanoparticles, cluster superlattice, scanning tunneling microscope

Abstract: Nanoclusters consisting of a few atoms have attracted a lot of research interests due to their exotic size-dependent properties. Here, well-ordered two-dimensional Sb cluster superlattice was fabricated on Si substrate by a two-step method and characterized by scanning tunneling microscopy. High resolution scanning tunneling microscope measurements revealed the fine structures of the Sb clusters, which consist of several Sb atoms ranging from 2 to 7. Furthermore, the electronic structure of the nanocluster displays the quantized energy-level which is due to the single-electron tunneling effects. We believe that the fabrication of Sb cluster superlattice broadens the species of the cluster superlattice and provides a promising candidate to further explore the novel physical and chemical properties of the semimetal nanocluster.

Key words: microstructure, nanoparticles, cluster superlattice, scanning tunneling microscope

中图分类号:  (Scanning tunneling microscopy (including chemistry induced with STM))

  • 68.37.Ef
36.40.-c (Atomic and molecular clusters) 36.40.Mr (Spectroscopy and geometrical structure of clusters)