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Nature Communications, volume 5, issue 1, publication number 4475

High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus

Publication typeJournal Article
Publication date2014-07-21
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.6
ISSN20411723, 20411723
PubMed ID:  25042376
General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy
Abstract
Two-dimensional crystals are emerging materials for nanoelectronics. Development of the field requires candidate systems with both a high carrier mobility and, in contrast to graphene, a sufficiently large electronic bandgap. Here we present a detailed theoretical investigation of the atomic and electronic structure of few-layer black phosphorus (BP) to predict its electrical and optical properties. This system has a direct bandgap, tunable from 1.51 eV for a monolayer to 0.59 eV for a five-layer sample. We predict that the mobilities are hole-dominated, rather high and highly anisotropic. The monolayer is exceptional in having an extremely high hole mobility (of order 10,000 cm2 V−1 s−1) and anomalous elastic properties which reverse the anisotropy. Light absorption spectra indicate linear dichroism between perpendicular in-plane directions, which allows optical determination of the crystalline orientation and optical activation of the anisotropic transport properties. These results make few-layer BP a promising candidate for future electronics. Two-dimensional (2D) materials with a large electronic bandgap in addition to high carrier mobility are required for future nanoelectronics. Here, the authors present a theoretical investigation of black phosphorous, a new category of 2D semiconductor with high potential for nanoelectronic applications.

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GOST Copy
Qiao J. et al. High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus // Nature Communications. 2014. Vol. 5. No. 1. 4475
GOST all authors (up to 50) Copy
Qiao J., Kong X., Hu Z. X., Yang F., Ji W. High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus // Nature Communications. 2014. Vol. 5. No. 1. 4475
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/ncomms5475
UR - https://doi.org/10.1038/ncomms5475
TI - High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus
T2 - Nature Communications
AU - Qiao, Jingsi
AU - Kong, Xianghua
AU - Hu, Zhi Xin
AU - Yang, Feng
AU - Ji, Wei
PY - 2014
DA - 2014/07/21 00:00:00
PB - Springer Nature
IS - 1
VL - 5
PMID - 25042376
SN - 2041-1723
SN - 2041-1723
ER -
BibTex
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BibTex Copy
@article{2014_Qiao,
author = {Jingsi Qiao and Xianghua Kong and Zhi Xin Hu and Feng Yang and Wei Ji},
title = {High-mobility transport anisotropy and linear dichroism in few-layer black phosphorus},
journal = {Nature Communications},
year = {2014},
volume = {5},
publisher = {Springer Nature},
month = {jul},
url = {https://doi.org/10.1038/ncomms5475},
number = {1},
doi = {10.1038/ncomms5475}
}
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