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dc and ac transport in few-layer black phosphorus

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2020
JAP_phosphorus_1pdf.pdf (1.069Mb)
Authors
Tahir, Muhammad
Krstajić, Predrag
Vasilopoulos, Panagiotis
Article (Published version)
,
American Institute of Physics
Metadata
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Abstract
The multilayer band structure of black phosphorus (BP) is highly anisotropic, and its bandgap is tunable by applying a perpendicular electric field Ez . Within a linear response theory, we study dc and ac transport in few-layer BP, as functions of the Fermi energy, temperature, or frequency, in the presence of a Zeeman field. The current response to an in-plane electric field along two perpendicular directions is anisotropic and reflects that of the energy spectrum. In addition, we study the Hall conductivity and power absorption spectrum. The Hall conductivity vanishes, but the power spectrum P(ω) shows a considerable structure as a function of the normalized frequency α/hω=2Δ and/or of the bandgap 2Δ tuned by Ez. In particular, a clear maximum occurs in the difference between spin-up and spin-down contributions to P(ω). When potassium (K) atoms are deposited on top of BP, the anisotropy in the current response is stronger and the power spectrum is further modified. The results may... be pertinent to the development of phosphorene-based applications.

Keywords:
Low Dimensional Physics / black phosphorus / electronic transport
Source:
Journal of Applied Physics, 2020, 127, 044302-
Publisher:
  • American Institute of Physics (AIP Publishing)
Funding / projects:
  • Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-32008)
  • Colorado State University
  • Canadian NSERC under Grant No. OGP0121756

DOI: 10.1063/1.5129273

ISSN: 0021-8979

WoS: 000515698500014

Scopus: 2-s2.0-85078676542
[ Google Scholar ]
2
1
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3974
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Tahir, Muhammad
AU  - Krstajić, Predrag
AU  - Vasilopoulos, Panagiotis
PY  - 2020
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3974
AB  - The multilayer band structure of black phosphorus (BP) is highly anisotropic, and its bandgap is tunable by applying a perpendicular electric field Ez . Within a linear response theory, we study dc and ac transport in few-layer BP, as functions of the Fermi energy, temperature, or frequency,
in the presence of a Zeeman field. The current response to an in-plane electric field along two perpendicular directions is anisotropic and reflects that of the energy spectrum. In addition, we study the Hall conductivity and power absorption spectrum. The Hall
conductivity vanishes, but the power spectrum P(ω) shows a considerable structure as a function of the normalized frequency α/hω=2Δ and/or of the bandgap 2Δ tuned by Ez. In particular, a clear maximum occurs in the difference between spin-up and spin-down contributions
to P(ω). When potassium (K) atoms are deposited on top of BP, the anisotropy in the current response is stronger and the power spectrum is further modified. The results may be pertinent to the development of phosphorene-based applications.
PB  - American Institute of Physics (AIP Publishing)
T2  - Journal of Applied Physics
T1  - dc and ac transport in few-layer black phosphorus
VL  - 127
SP  - 044302
DO  - 10.1063/1.5129273
ER  - 
@article{
author = "Tahir, Muhammad and Krstajić, Predrag and Vasilopoulos, Panagiotis",
year = "2020",
abstract = "The multilayer band structure of black phosphorus (BP) is highly anisotropic, and its bandgap is tunable by applying a perpendicular electric field Ez . Within a linear response theory, we study dc and ac transport in few-layer BP, as functions of the Fermi energy, temperature, or frequency,
in the presence of a Zeeman field. The current response to an in-plane electric field along two perpendicular directions is anisotropic and reflects that of the energy spectrum. In addition, we study the Hall conductivity and power absorption spectrum. The Hall
conductivity vanishes, but the power spectrum P(ω) shows a considerable structure as a function of the normalized frequency α/hω=2Δ and/or of the bandgap 2Δ tuned by Ez. In particular, a clear maximum occurs in the difference between spin-up and spin-down contributions
to P(ω). When potassium (K) atoms are deposited on top of BP, the anisotropy in the current response is stronger and the power spectrum is further modified. The results may be pertinent to the development of phosphorene-based applications.",
publisher = "American Institute of Physics (AIP Publishing)",
journal = "Journal of Applied Physics",
title = "dc and ac transport in few-layer black phosphorus",
volume = "127",
pages = "044302",
doi = "10.1063/1.5129273"
}
Tahir, M., Krstajić, P.,& Vasilopoulos, P.. (2020). dc and ac transport in few-layer black phosphorus. in Journal of Applied Physics
American Institute of Physics (AIP Publishing)., 127, 044302.
https://doi.org/10.1063/1.5129273
Tahir M, Krstajić P, Vasilopoulos P. dc and ac transport in few-layer black phosphorus. in Journal of Applied Physics. 2020;127:044302.
doi:10.1063/1.5129273 .
Tahir, Muhammad, Krstajić, Predrag, Vasilopoulos, Panagiotis, "dc and ac transport in few-layer black phosphorus" in Journal of Applied Physics, 127 (2020):044302,
https://doi.org/10.1063/1.5129273 . .

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