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Borophene with Large Holes.

Yong Wang^1,2, Yunjae Park¹, Lu Qiu^1,3

¹Center for Multidimensional Carbon Materials, Institute for Basic Science, Ulsan 44919, South Korea.

The Journal of Physical Chemistry Letters

|July 10, 2020

Summary

This summary is machine-generated.

Researchers discovered that creating two-dimensional (2D) borophene with large holes is energetically favorable. This finding expands the variety of borophene structures and offers new synthesis pathways.

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Area of Science:

Materials Science
Condensed Matter Physics
Nanotechnology

Background:

Two-dimensional (2D) borophene exhibits structural transitions based on vacancy concentration.
The construction of diverse borophene isomers relies on lattice transformations.

Purpose of the Study:

To investigate the energetic favorability of borophene isomers with hexagonal holes (HHs) and large holes (LHs).
To expand the known family of 2D borophene structures and explore new synthesis routes.

Main Methods:

Extensive structural search of 4239 borophene isomers.
Analysis of isomers containing both hexagonal holes and large holes.

Main Results:

Structural transformation to borophene with large holes is energetically more favorable.
Borophene isomers with large holes are more stable at high vacancy concentrations (>20%).
Isomers with large holes show comparable stability to those with only hexagonal holes at low vacancy concentrations.

Conclusions:

The study significantly expands the diversity of 2D borophene isomers.
A new pathway for synthesizing novel borophene structures is established.