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We present theoretical studies of morphology, stability, and electronic structure of monolayer hexagonal CBN alloys with rich content of h-BN and carbon concentration not exceeding 50 %. Our studies are based on the bond order type of the…

Materials Science · Physics 2019-06-26 Agnieszka Jamróz , Jacek A. Majewski

Second-order nonlinear optical response allows to detect different properties of the system associated with the inversion symmetry breaking. Here, we use a second harmonic generation effect to investigate the alignment of a…

Mesoscale and Nanoscale Physics · Physics 2020-07-03 E. A. Stepanov , S. V. Semin , C. R. Woods , M. Vandelli , A. V. Kimel , K. S. Novoselov , M. I. Katsnelson

We investigate interlayer adhesion and relaxation at interfaces between graphene and hexagonal boron nitride (hBN) monolayers in van der Waals heterostructures. The adhesion potential between graphene and hBN is calculated as a function of…

Hexagonal boron nitride (hBN) has recently gained attention as a solid state host of quantum emitters. However, hBN emitters reported to date lack the properties needed for their deployment in scalable quantum technologies. Here we employ…

We present a theoretical study of electronic and thermal transport in polycrystalline heterostructures combining graphene (G) and hexagonal boron nitride (hBN) grains of varying size and distribution. By increasing the hBN grain density…

Mesoscale and Nanoscale Physics · Physics 2025-06-06 J. E. Barrios Vargas , B. Mortazavi , A. W. Cummings , R. Martinez-Gordillo , M. Pruneda , L. Colombo , T. Rabczuk , S. Roche

Boron nitride exhibits diverse crystal structures, predominantly a layered arrangement with strong intraplanar covalent bonds and weak interplanar van der Waals bonds. While commonly referred to as hexagonal BN (hBN), the sp$^2$-bonded BN…

Neuromorphic computing has emphasized the need for memristors with non-volatile, multiple conductance levels. This paper demonstrates the potential of hexagonal boron nitride (hBN)/graphene heterostructures to act as memristors with…

Mesoscale and Nanoscale Physics · Physics 2024-07-19 Harsimran Kaur Mann , Mainak Mondal , Vivek Sah , Kenji Watanabe , Takashi Taniguchi , Akshay Singh , Aveek Bid

Graphene on hexagonal boron-nitride (h-BN) is an atomically flat conducting system that is ideally suited for probing the effect of Zeeman splitting on electron transport. We demonstrate by magneto-transport measurements that a parallel…

Mesoscale and Nanoscale Physics · Physics 2016-08-24 F. Chiappini , S. Wiedmann , M. Titov , A. K. Geim , R. V. Gorbachev , E. Khestanova , A. Mishchenko , K. S. Novoselov , J. C. Maan , U. Zeitler

By investigating the optoelectronic properties of prototypical graphene/hexagonal boron nitride (h-BN) heterostructures, we demonstrate how a nanostructured combination of these materials can lead to a dramatic enhancement of light-matter…

Hexagonal boron nitride (hBN)-long-known as a thermally stable ceramic-is now available as atomically smooth, single-crystalline flakes, revolutionizing its use in optoelectronics. For nanophotonics, these flakes offer strong…

Two-dimensional (2D) hexagonal boron nitride (hBN) is a wide-bandgap van der Waals crystal with a unique combination of properties, including exceptional strength, large oxidation resistance at high temperatures and optical functionalities.…

Mesoscale and Nanoscale Physics · Physics 2025-10-27 P. Ares , T. Cea , M. Holwill , Y. B. Wang , R. Roldan , F. Guinea , D. V. Andreeva , L. Fumagalli , K. S. Novoselov , C. R. Woods

Herein, we conduct a comprehensive investigation of Hexa-graphyne (HXGY), a planar carbon allotrope formed by distorted hexagonal and rectangular rings incorporating sp and sp$^2$-hybridized carbon atoms. First-principles calculations…

Materials Science · Physics 2026-04-30 Jhionathan de Lima , Cristiano Francisco Woellner

The encapsulation of graphene in hexagonal boron nitride provides graphene on substrate with excellent material quality. Here, we present the fabrication and characterization of Hall sensor elements based on graphene boron nitride…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Jan Dauber , Abhay A. Sagade , Martin Oellers , Kenji Watanabe , Takashi Taniguchi , Daniel Neumaier , Christoph Stampfer

When combined with graphene, hexagonal boron nitride (h-BN) is an ideal substrate and gate dielectric with which to build metalh-BN|graphene field-effect devices. We use first-principles density functional theory (DFT) calculations for…

Materials Science · Physics 2011-11-11 Menno Bokdam , Petr A. Khomyakov , Geert Brocks , Zhicheng Zhong , Paul J. Kelly

We report second-harmonic generation (SHG) from thick hexagonal boron nitride (hBN) flakes with approximately 109-111 layers. The resulting effective second-order susceptibility is similar to previously reported few-layer experiments. This…

Optical heating of plasmonic nanostructures is a critical challenge in nanoscale systems. Although plasmonic effects enable enhanced optical functionalities, the associated temperature rise can degrade performance in heat-sensitive…

Increased power density in modern microelectronics has led to thermal management challenges which can cause degradation in performance and reliability. In many high-power electronic devices, the power consumption and heat removal are…

Mesoscale and Nanoscale Physics · Physics 2019-10-01 David B. Brown , Thomas L. Bougher , Xiang Zhang , Pulickel Ajayan , Baratunde A. Cola , Satish Kumar

Monolayer hexagonal boron nitride (hBN) has recently become the focus of intense research as a material to host quantum emitters. Although it is well known that such emission is associated with point defects, so far no conclusive…

Quantum emitters in hexagonal boron nitride (hBN) have emerged as a promising solid-state platform for quantum technology applications. However, a persistent challenge in the field is the unclear origin of many observed emission lines,…

There is a large discrepancy between the experimental observations and the theoretical predictions in the morphology of hexagonal boron nitride (h-BN) nanosheets. Theoretically-predicted hexagons terminated by armchair edges are not…

Materials Science · Physics 2018-08-31 Jingzhao Zhang , Wenjing Zhao , Junyi Zhu