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Title: Bursting at the Seams: Rippled Monolayer Bismuth on NbSe2

Journal Article · · Science Advances
 [1];  [2];  [3];  [3];  [4];  [4];  [5]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES); Stanford Univ., CA (United States). Geballe Lab. for Advanced Materials; Stanford Univ., CA (United States). Dept. of Applied Physics
  2. Stanford Univ., CA (United States). Geballe Lab. for Advanced Materials; Stanford Univ., CA (United States). Dept. of Applied Physics
  3. Princeton Univ., NJ (United States). Dept. of Chemistry
  4. Max Planck Inst. for Chemical Physics of Solids, Dresden (Germany)
  5. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Institute for Materials and Energy Science (SIMES); Stanford Univ., CA (United States). Geballe Lab. for Advanced Materials; Stanford Univ., CA (United States). Dept. of Applied Physics; Stanford Univ., CA (United States). Dept. of Physics

Bismuth, one of the heaviest semimetals in nature, ignited the interest of the materials-physics community for its potential impact on topological quantum-material systems that utilize its strong spin-orbit coupling (SOC) and unique orbital hybridization. In particular, recent theoretical predictions of unique topological and superconducting properties of thin bismuth films and interfaces prompted intense research on the growth of sub- to a few monolayers of bismuth on different substrates. Similar to bulk rhombohedral bismuth, the initial growth of bismuth films on most substrates results in buckled bilayers that either grow in the (111) or (110) directions, with a lattice constant close to that of bulk Bi. By contrast, in this paper we show a new growth pattern for bismuth monolayers on NbSe2. We find that the initial growth of Bi can form a strongly bonded commensurate layer, resulting in a compressively strained two-dimensional triangular lattice. A unique pattern of 1D ripples and domain walls is observed. The single layer of bismuth also introduces strong marks on the electronic properties at the surface.

Research Organization:
Princeton Univ., NJ (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; US Army Research Office (ARO); US Air Force Office of Scientific Research (AFOSR)
Grant/Contract Number:
AC02-76SF00515
OSTI ID:
1430225
Journal Information:
Science Advances, Journal Name: Science Advances Journal Issue: 4 Vol. 4; ISSN 2375-2548
Publisher:
AAASCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (5)

Bismuthene for highly efficient carbon dioxide electroreduction reaction journal February 2020
Predicting two-dimensional topological phases in Janus materials by substitutional doping in transition metal dichalcogenide monolayers journal September 2019
Advances of 2D bismuth in energy sciences journal January 2020
Disorder-induced suppression of charge density wave order: STM study of Pd-intercalated ErTe 3 journal December 2019
Unveiling hidden charge density waves in single-layer NbSe 2 by impurities journal November 2018

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