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Title: Realizing an Epitaxial Decorated Stanene with an Insulating Bandgap

Abstract

Abstract The exploration of intriguing topological quantum physics in stanene has attracted enormous interest but is challenged by lacking desirable material samples. The successful fabrication of monolayer stanene on PbTe(111) films with low‐temperature molecular beam epitaxy and thorough characterizations of its atomic and electronic structures are reported here. In situ angle‐resolved photoemission spectroscopy together with first‐principles calculations identify two hole bands of p xy orbital with a spin‐orbit coupling induced band splitting and meanwhile reveal an automatic passivation of p z orbital of stanene. Importantly, material properties are tuned by substrate engineering, realizing a decorated stanene sample with truly insulating bulk on Sr‐doped PbTe. This finding paves a road for studies of stanene‐based topological quantum effects and electronics.

Authors:
 [1];  [2];  [1];  [1];  [1];  [1];  [1];  [1];  [3];  [3];  [3];  [3];  [4]; ORCiD logo [3];  [3];  [5];  [3]
  1. Tsinghua Univ., Beijing (China). State Key Lab. of Low Dimensional Quantum Physics, Dept. of Physics
  2. Tsinghua Univ., Beijing (China). State Key Lab. of Low Dimensional Quantum Physics, Dept. of Physics; National Univ. of Defense Technology, Changsha (China). College of Optoelectronic Science and Engineering
  3. Tsinghua Univ., Beijing (China). State Key Lab. of Low Dimensional Quantum Physics, Dept. of Physics; Collaborative Innovation Center of Quantum Matter, Beijing (China)
  4. Tsinghua Univ., Beijing (China). State Key Lab. of Low Dimensional Quantum Physics, Dept. of Physics; RIKEN Center for Emergent Matter Science (CEMS), Wako, Saitama (Japan); Collaborative Innovation Center of Quantum Matter, Beijing (China)
  5. Stanford Univ., CA (United States). Dept. of Physics
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); Ministry of Science and Technology of China; Beijing Advanced Innovation Center for Future Chip (ICFC); Tsinghua University Initiative Scientific Research Program; National Thousand‐Young‐Talents Program
OSTI Identifier:
1475572
Alternate Identifier(s):
OSTI ID: 1458580
Grant/Contract Number:  
51661135024; 2017YFA0303303; AC02-76SF00515; DE‐AC02‐76SF00515
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Advanced Functional Materials
Additional Journal Information:
Journal Volume: 28; Journal Issue: 35; Journal ID: ISSN 1616-301X
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; insulating bandgaps; molecular beam epitaxy; stanene

Citation Formats

Zang, Yunyi, Jiang, Tian, Gong, Yan, Guan, Zhaoyong, Liu, Chong, Liao, Menghan, Zhu, Kejing, Li, Zhe, Wang, Lili, Li, Wei, Song, Canli, Zhang, Ding, Xu, Yong, He, Ke, Ma, Xucun, Zhang, Shou-Cheng, and Xue, Qi-Kun. Realizing an Epitaxial Decorated Stanene with an Insulating Bandgap. United States: N. p., 2018. Web. doi:10.1002/adfm.201802723.
Zang, Yunyi, Jiang, Tian, Gong, Yan, Guan, Zhaoyong, Liu, Chong, Liao, Menghan, Zhu, Kejing, Li, Zhe, Wang, Lili, Li, Wei, Song, Canli, Zhang, Ding, Xu, Yong, He, Ke, Ma, Xucun, Zhang, Shou-Cheng, & Xue, Qi-Kun. Realizing an Epitaxial Decorated Stanene with an Insulating Bandgap. United States. https://doi.org/10.1002/adfm.201802723
Zang, Yunyi, Jiang, Tian, Gong, Yan, Guan, Zhaoyong, Liu, Chong, Liao, Menghan, Zhu, Kejing, Li, Zhe, Wang, Lili, Li, Wei, Song, Canli, Zhang, Ding, Xu, Yong, He, Ke, Ma, Xucun, Zhang, Shou-Cheng, and Xue, Qi-Kun. 2018. "Realizing an Epitaxial Decorated Stanene with an Insulating Bandgap". United States. https://doi.org/10.1002/adfm.201802723. https://www.osti.gov/servlets/purl/1475572.
@article{osti_1475572,
title = {Realizing an Epitaxial Decorated Stanene with an Insulating Bandgap},
author = {Zang, Yunyi and Jiang, Tian and Gong, Yan and Guan, Zhaoyong and Liu, Chong and Liao, Menghan and Zhu, Kejing and Li, Zhe and Wang, Lili and Li, Wei and Song, Canli and Zhang, Ding and Xu, Yong and He, Ke and Ma, Xucun and Zhang, Shou-Cheng and Xue, Qi-Kun},
abstractNote = {Abstract The exploration of intriguing topological quantum physics in stanene has attracted enormous interest but is challenged by lacking desirable material samples. The successful fabrication of monolayer stanene on PbTe(111) films with low‐temperature molecular beam epitaxy and thorough characterizations of its atomic and electronic structures are reported here. In situ angle‐resolved photoemission spectroscopy together with first‐principles calculations identify two hole bands of p xy orbital with a spin‐orbit coupling induced band splitting and meanwhile reveal an automatic passivation of p z orbital of stanene. Importantly, material properties are tuned by substrate engineering, realizing a decorated stanene sample with truly insulating bulk on Sr‐doped PbTe. This finding paves a road for studies of stanene‐based topological quantum effects and electronics.},
doi = {10.1002/adfm.201802723},
url = {https://www.osti.gov/biblio/1475572}, journal = {Advanced Functional Materials},
issn = {1616-301X},
number = 35,
volume = 28,
place = {United States},
year = {Sun Jul 01 00:00:00 EDT 2018},
month = {Sun Jul 01 00:00:00 EDT 2018}
}

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Cited by: 49 works
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Works referencing / citing this record:

Thermal Stability Enhancement in Epitaxial Alpha Tin Films by Strain Engineering
journal, August 2019


Stanene: A Promising Material for New Electronic and Spintronic Applications
journal, August 2019


2D Elemental Nanomaterials Beyond Graphene
journal, June 2019


2D Crystal–Based Fibers: Status and Challenges
journal, August 2019


Near-zero-index materials for photonics
journal, September 2019


Facile fabrication of 2D stanene nanosheets via a dealloying strategy for potassium storage
journal, January 2019


A van der Waals epitaxial growth of ultrathin two-dimensional Sn film on graphene covered Cu(111) substrate
journal, September 2019


Group-IV 2D materials beyond graphene on nonmetal substrates: Challenges, recent progress, and future perspectives
journal, December 2019


Electron-phonon coupling in a honeycomb borophene grown on Al(111) surface
journal, July 2019


Quantum Spin Hall Insulators in Tin Films: Beyond Stanene
journal, December 2019