Correction for 'A graphene/h-BN MEMS varactor for sub-THz and THz applications' by Piotr A. Dróżdż , , 2023, https://doi.org/10.1039/d2nr06863j.
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Correction: A graphene/h-BN MEMS varactor for sub-THz and THz applications.
Nanoscale
August 2023
CENTERA Laboratories, Institute of High Pressure Physics Polish Academy of Sciences, Sokołowska 29/37, 01-142 Warsaw, Poland.
Correction for 'A graphene/h-BN MEMS varactor for sub-THz and THz applications' by Piotr A. Dróżdż , , 2023, https://doi.org/10.
View Article and Find Full Text PDFGraphene: Hexagonal Boron Nitride Composite Films with Low-Resistance for Flexible Electronics.
Nanomaterials (Basel)
May 2022
Joint Institute for High Temperatures RAS, Izhorskaya Str. 13 Bd.2, Moscow 125412, Russia.
The structure and electric properties of hexagonal boron nitride (h-BN):graphene composite with additives of the conductive polymer PEDOT:PSS and ethylene glycol were examined. The graphene and h-BN flakes synthesized in plasma with nanometer sizes were used for experiments. It was found that the addition of more than 10 mass% of PEDOT:PSS to the graphene suspension or h-BN:graphene composite in combination with ethylene glycol leads to a strong decrease (4-5 orders of magnitude, in our case) in the resistance of the films created from these suspensions.
View Article and Find Full Text PDFAdsorption of water on C sites vacancy defected graphene/h-BN: First-principles study.
J Mol Model
March 2022
Central Department of Physics, Institute of Science and Technology, Tribhuvan University, Kathmandu, Nepal.
Heterostructures (HS), vacancy defects in HS, and molecular adsorption on defected HS of 2D materials are fervently inspected for a profusion of applications because of their aptness to form stacked layers that confer approach to an amalgamation of favorable electronic and magnetic properties. In this context, graphene (Gr), hexagonal boron nitride (h-BN), HS of graphene/h-BN (Gr/h-BN), and molecular adsorption on Gr/h-BN offer promising prospects for electronic, spintonic, and optoelectronic devices. In this study, we investigated the structural, electronic, and magnetic properties of C sites vacancy defects in Gr/h-BN HS and adsorption of water molecule on defected Gr/h-BN HS materials by using first-principles calculations based on spin-polarized density functional theory method within van der Waals (vdW) corrections DFT-D2 approach.
View Article and Find Full Text PDFTheoretical modeling of structural superlubricity in rotated bilayer graphene, hexagonal boron nitride, molybdenum disulfide, and blue phosphorene.
Nanoscale
September 2021
Department of Physics and Atmospheric Science, Dalhousie University, 6310 Coburg Road, Halifax, Nova Scotia, Canada B3H 4R2.
The superior lubrication capabilities of two-dimensional crystalline materials such as graphene, hexagonal boron nitride (h-BN), and molybdenum disulfide (MoS) have been well known for many years. It is generally accepted that structural superlubricity in these materials is due to misalignment of the surfaces in contact, known as incommensurability. In this work, we present a detailed study of structural superlubricity in bilayer graphene, h-BN, MoS, and the novel material blue phosphorene (b-P) using dispersion-corrected density-functional theory with periodic boundary conditions.
View Article and Find Full Text PDF"Haeckelite", a new low dimensional cousin of boron nitride for biosensing with ultra-fast recovery time: a first principles investigation.
J Mater Chem B
November 2018
Department of Physics, Faculty of Science, The Maharaja Sayajirao University of Baroda, Vadodara-390002, India.
We performed state-of-the-art first principles calculations under the framework of dispersion corrected density functional theory to investigate the electronic and vibrational properties of a recently found allotrope of BN, with octagonal and square ring forming planar haeckelite structures (haeck-BN). We further investigated the adsorption mechanism of five nucleobases adenine (A), guanine (G), cytosine (C), thymine (T) and uracil (U) over haeck-BN to explore its applicability in biosensing. The dispersion correction (DFT-D2) is included to appropriately consider van der Waals interactions.
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