Open Access
Semimetallic Two-Dimensional Boron Allotrope with Massless Dirac Fermions
Xiang-Feng Zhou
1, 2
,
Xiao Dong
1, 2
,
Xiao Dong
1, 2
,
Artem R. Oganov
2, 3, 4
,
Qiang Zhu
2
,
Yongjun Tian
5
,
Y.-S. Tian
5
,
HUI-TIAN WANG
1, 6
Publication type: Journal Article
Publication date: 2014-02-26
scimago Q1
wos Q1
SJR: 2.856
CiteScore: 15.6
Impact factor: 9.0
ISSN: 00319007, 10797114
General Physics and Astronomy
Abstract
It has been widely accepted that planar boron structures, composed of triangular and hexagonal motifs are the most stable two dimensional (2D) phases and likely precursors for boron nanostructures. Here we predict, based on ab initio evolutionary structure search, novel 2D boron structure with non-zero thickness, which is considerably, by 50 meV/atom lower in energy than the recently proposed alpha-sheet structure and its analogues. In particular, this phase is identified for the first time to have a distorted Dirac cone, after graphene and silicene the third elemental material with massless Dirac fermions. The buckling and coupling between the two sublattices not only enhance the energetic stability, but also are the key factors for the emergence of the distorted Dirac cone.
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537
Total citations:
537
Citations from 2024:
66
(12%)
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Zhou X. et al. Semimetallic Two-Dimensional Boron Allotrope with Massless Dirac Fermions // Physical Review Letters. 2014. Vol. 112. No. 8. 085502
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Zhou X., Dong X., Dong X., Oganov A. R., Zhu Q., Tian Y., Tian Y., WANG H. Semimetallic Two-Dimensional Boron Allotrope with Massless Dirac Fermions // Physical Review Letters. 2014. Vol. 112. No. 8. 085502
Cite this
RIS
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TY - JOUR
DO - 10.1103/PhysRevLett.112.085502
UR - https://doi.org/10.1103/PhysRevLett.112.085502
TI - Semimetallic Two-Dimensional Boron Allotrope with Massless Dirac Fermions
T2 - Physical Review Letters
AU - Zhou, Xiang-Feng
AU - Dong, Xiao
AU - Dong, Xiao
AU - Oganov, Artem R.
AU - Zhu, Qiang
AU - Tian, Yongjun
AU - Tian, Y.-S.
AU - WANG, HUI-TIAN
PY - 2014
DA - 2014/02/26
PB - American Physical Society (APS)
IS - 8
VL - 112
SN - 0031-9007
SN - 1079-7114
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2014_Zhou,
author = {Xiang-Feng Zhou and Xiao Dong and Xiao Dong and Artem R. Oganov and Qiang Zhu and Yongjun Tian and Y.-S. Tian and HUI-TIAN WANG},
title = {Semimetallic Two-Dimensional Boron Allotrope with Massless Dirac Fermions},
journal = {Physical Review Letters},
year = {2014},
volume = {112},
publisher = {American Physical Society (APS)},
month = {feb},
url = {https://doi.org/10.1103/PhysRevLett.112.085502},
number = {8},
pages = {085502},
doi = {10.1103/PhysRevLett.112.085502}
}
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