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The Greek philosopher Democritus proposed that everything on Earth is made up of tiny particles called atomos, Greek for "indivisible," from which the modern term "atom" is derived. In the 19th century, John Dalton proposed the atomic theory that is still largely correct today. He put forth five postulates to explain how atoms made up the world around us. (1) All matter is composed of infinitely small particles or atoms. (2) All atoms of a given element are identical to one...
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Stability and Structure of Bat Major Histocompatibility Complex Class I with Heterologous &#946;2-Microglobulin
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B96: a complete core-shell structure with high symmetry.

Linwei Sai1,2, Xue Wu3, Fengyu Li4

  • 1School of Science, Hohai University, Changzhou 213022, China.

Physical Chemistry Chemical Physics : PCCP
|June 6, 2022
PubMed
Summary
This summary is machine-generated.

Researchers designed a stable, highly symmetric core-shell boron cluster (B96). This structure is energetically favorable and maintains integrity at high temperatures, showing superatomic properties.

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Area of Science:

  • Computational Chemistry
  • Materials Science
  • Nanotechnology

Background:

  • Boron clusters are known for their unique structural diversity and potential applications.
  • Understanding the stability and properties of large boron clusters is crucial for their technological utilization.

Purpose of the Study:

  • To design and investigate a novel core-shell boron cluster with high symmetry.
  • To determine the energetic favorability and thermal stability of the proposed structure.
  • To explore the electronic and aromatic properties of the designed boron cluster.

Main Methods:

  • First-principles molecular dynamics simulations were employed.
  • Calculations were performed at high temperatures (up to 1000 K).
  • Energetic, structural, and electronic properties were analyzed.

Main Results:

  • A complete, highly symmetric core-shell B96 cluster with Th symmetry was successfully designed.
  • The core-shell structure is energetically more favorable than bilayer motifs.
  • The designed cluster demonstrated excellent thermal stability, maintaining its structure up to 1000 K.
  • Superatomic electronic configuration and spherical aromaticity were observed.

Conclusions:

  • The core-shell structural pattern is energetically preferred for large boron clusters.
  • The study provides a viable strategy for designing high-symmetry, core-shell large boron clusters.
  • The findings contribute to the fundamental understanding of boron cluster stability and properties.