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Related papers: Thermal transport in van der Waals graphene/boron-…

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Combining both vertical and in-plane two-dimensional (2D) heterostructures opens up the possibility to create an unprecedented architecture using 2D atomic layer building blocks. The thermal transport properties of such mixed…

Materials Science · Physics 2020-07-16 Ting Liang , Ping Zhang , Man Zhou , Peng Yuan , Daoguo Yang

Van der Waals heterostructures have exhibited interesting physical properties. In this paper, heat transfer in hybrid coplanar bilayer/monolayer (BL-ML) graphene, as a model layered van der Waals heterostructure, was studied using…

Materials Science · Physics 2018-06-08 Ali Rajabpour , Zheyong Fan , S. Mehdi Vaez Allaei

Atomically thin monolayers of graphene show excellent electronic properties which have led to a great deal of research on their use in nanoscale devices. However, heat management of such nanoscale devices is essential in order to improve…

Being used in optoelectronic devices as ultra-thin conductor-insulator junctions, detailed investigations are needed about how exactly h-BN and graphene hybridize. Here, we present a comprehensive ab initio study of hot carrier dynamics…

Mesoscale and Nanoscale Physics · Physics 2022-07-01 Sangkha Borah , Dinesh Yadav , Maxim Trushin , Fabian Pauly

High carrier mobilities play a fundamental role for high-frequency electronics, integrated optoelectronics as well as for sensor and spintronic applications, where device performance is directly linked to the magnitude of the carrier…

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…

Understanding the energy transport by charge carriers and phonons in two-dimensional (2D) van der Waals heterostructures is essential for the development of future energy-efficient 2D nanoelectronics. Here, we performed in situ spatially…

Mesoscale and Nanoscale Physics · Physics 2017-11-21 Daehee Kim , Hanul Kim , Wan Soo Yun , Kenji Watanabe , Takashi Taniguchi , Heesuk Rho , Myung-Ho Bae

Heat dissipation is a very critical problem for designing nano-functional devices, including MoS2/Graphene heterojunctions. In this paper we investigate thermal transport in MoS2/Graphene hybrid nanosheets under various heating conditions,…

Mesoscale and Nanoscale Physics · Physics 2015-10-20 Zhongwei Zhang , Yuee Xie , Qing Peng , Yuanping Chen

The emerging interest in van der Waals heterostructures as new materials for opto-electronics and photonics poses questions about their stability and structure-property relations. In the framework of density-functional and many-body…

Investigating thermal transport in van der Waals heterostructure is of scientific interest and practical importance for their applications in a broad range. In this work, thermal conductivity of one-dimensional heterostructure consisting of…

Mesoscale and Nanoscale Physics · Physics 2021-01-01 Han Meng , Shigeo Maruyama , Rong Xiang , Nuo Yang

The key to achieve high-quality van der Waals heterostructure devices made of stacking various two-dimensional (2D) layered materials lies in the clean interface without bubbles and wrinkles. Although polymethylmethacrylate (PMMA) is…

Materials Science · Physics 2015-11-25 T. Uwanno , Y. Hattori , T. Taniguchi , K. Watanabe , K. Nagashio

The van der Waals heterostructures of two-dimensional (2D) atomic crystals constitute a new paradigm in nanoscience. Hybrid devices of graphene with insulating 2D hexagonal boron nitride (h-BN) have emerged as promising nanoelectronic…

Mesoscale and Nanoscale Physics · Physics 2014-06-24 M. Venkata Kamalakar , André Dankert , Johan Bergsten , Tommy Ive , Saroj P. Dash

Heat transfer in nanocomposite materials has attracted great interest for various applications. Multilayer structures provide an important platform to study interfacial thermal transport and to engineer materials with ultralow thermal…

Polymer composites with thermally conductive nanoscale filler particles, such as graphene and hexagonal boron nitride (h-BN), are promising for certain heat transfer applications. While graphene-polymer composites have been extensively…

Applied Physics · Physics 2017-12-04 Ruimin Ma , Xiao Wan , Teng Zhang , Nuo Yang , Tengfei Luo

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

Recent discovery of a novel hexagonal phase of GeSe (Gamma-GeSe) has triggered great interests in nanoelectronics applications owing to its electrical conductivity of bulk phase even higher than graphite while its monolayer is a…

Materials Science · Physics 2022-10-19 Changmeng Huan , Pu Wang , Bingtao Liu , Binghan He , Yongqing Cai , Qingqing Ke

We present first principles study of thermoelectric transport properties of sandwiched heterostructure of Graphene (G)/hexagonal Boron Nitride (BN)/G, based on Boltzmann transport theory for band electrons using the bandstructure calculated…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Ransell D'Souza , Sugata Mukherjee

We study the interfacial thermal conductance of grain boundaries (GBs) between monolayer graphene and hexagonal boron nitride (h-BN) sheets using a combined atomistic approach. First, realistic samples containing graphene/h-BN GBs with…

Materials Science · Physics 2022-01-03 Haikuan Dong , Petri Hirvonen , Zheyong Fan , Ping Qian , Yanjing Su , Tapio Ala-Nissila

Accurately modeling interfacial thermal transport in van der Waals heterostructures is challenging due to the limited availability of interlayer interaction potentials. We develop a pairwise interlayer potential for graphene/germanene van…

Mesoscale and Nanoscale Physics · Physics 2025-08-28 Sapta Sindhu Paul Chowdhury , Sourav Thapliyal , Bheema Lingam Chittari , Santosh Mogurampelly

We report experimental and computational studies of thermal transport properties in hexagonal boron nitride (hBN) encapsulated molybdenum disulfide (MoS2) structure using refined optothermal Raman techniques, and reveal very high…

Mesoscale and Nanoscale Physics · Physics 2021-02-11 Fan Ye , Qingchang Liu , Baoxing Xu , Philip X. -L. Feng , Xian Zhang
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