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Hexagonal boron nitride (h-BN) is a critical material for 2D electronic devices for graphene and has attracted a considerable amount of attention owing to its structural similarity and semiconducting property. However, modifying its…

Applied Physics · Physics 2019-11-12 Jerome A. Cuenca , Soumen Mandal , Malcolm Snowball , Adrian Porch , Oliver A. Williams

Boron nitride (BN) is an exceptional material and among its polymorphs, two-dimensional (2D) hexagonal and three-dimensional (3D) cubic BN (h-BN and c-BN) phases are most common. The phase stability regimes of these BN phases are still…

Water, a ubiquitous and fundamental substance, plays a critical role across a wide range of disciplines from physics and chemistry to biology and engineering. Despite theoretical predictions of several phases of two-dimensional (2D) ice…

Materials Science · Physics 2025-10-10 Bingzheng Wu , Jianming Wu , Sai Duan , Xin Xu

Atomically thin hexagonal boron nitride (h-BN), especially monolayer, has garnered increasing attention due to its intriguing optical and light-matter-interaction properties. However, its intrinsic optical properties and electronic band…

The corrosion of metallic surfaces poses significant challenges across industries such as petroleum, energy, and biomedical sectors, leading to structural degradation, safety risks, and substantial maintenance costs. Traditional organic and…

We undertook an ab-initio study of hexagonal boron nitride (hBN) sandwiched between Ni(111) layers to examine the interface of this material structure. We considered Ni(111)/hBN/Ni(111) with a slab with three Ni atomic layers to determine…

Mesoscale and Nanoscale Physics · Physics 2022-04-15 Halimah Harfah , Yusuf Wicaksono , Muhammad Aziz Majidi , Koichi Kusakabe

Two-dimensional material-based memristors have recently gained attention as components of future neuromorphic computing concepts. However, their surrounding atmosphere can influence their behavior. In this work, we investigate the resistive…

Monolayers of graphene and hexagonal boron nitride (hBN) are highly permeable to thermal protons. For thicker two-dimensional (2D) materials, proton conductivity diminishes exponentially so that, for example, monolayer MoS2 that is just…

Mesoscale and Nanoscale Physics · Physics 2019-09-04 L. Mogg , G. -P. Hao , S. Zhang , C. Bacaksiz , Y. Zou , S. J. Haigh , F. M. Peeters , A. K. Geim , M. Lozada-Hidalgo

The influence of insertion of an ultra-thin NiO layer between the MgO barrier and ferromagnetic electrode in magnetic tunnel junctions has been investigated by measuring the tunneling magnetoresistance and the X-ray magnetic circular…

In this letter, we propose the resonant tunneling diode (RTD) based on a double-barrier graphene/boron nitride (BN) heterostructure as device suitable to take advantage of the elaboration of atomic sheets containing different domains of BN…

Mesoscale and Nanoscale Physics · Physics 2012-08-01 Nguyen Viet Hung , Fulvio Mazzamuto , Arnaud Bournel , Philippe Dollfus

Very recently, ferroelectric polarization in staggered bilayer hexagonal boron nitride (BBN) and its novel sliding inversion mechanism was reported experimentally (Science 2021, 372, 1458; 2021, 372, 1462), which paves a new way to realize…

Materials Science · Physics 2021-12-07 Jie Yang , Jun Zhou , Jing Lu , Zhaochu Luo , Jinbo Yang , Lei Shen

Hexagonal boron nitride (hBN) has emerged as a promising two-dimensional platform for quantum sensing, due to its optically addressable spin defects, such as the negatively charged boron vacancy ($V_{\text{B}}^-$). Despite hBN being…

Due to the chemical inertness of 2D hexagonal-Boron Nitride (h-BN), few atomic-layer h-BN is often used to encapsulate air-sensitive 2D crystals such as Black Phosphorus (BP). However, the effects of h-BN on Schottky barrier height, doping…

Mesoscale and Nanoscale Physics · Physics 2017-08-18 Ahmet Avsar , Jun Y. Tan , Luo Xin , Khoong Hong Khoo , Yuting Yeo , Kenji Watanabe , Takashi Taniguchi , Su Ying Quek , Barbaros Ozyilmaz

When two-dimensional crystals are brought into close proximity, their interaction results in strong reconstruction of electronic spectrum and local crystal structure. Such reconstruction strongly depends on the twist angle between the two…

Mesoscale and Nanoscale Physics · Physics 2025-10-27 C. R. Woods , P. Ares , H. Nevison-Andrews , M. J. Holwill , R. Fabregas , F. Guinea , A. K. Geim , K. S. Novoselov , N. R. Walet , L. Fumagalli

We fabricate and measure electrically-gated tunnel junctions in which the insulating barrier is a sliding van der Waals ferroelectric made from parallel-stacked bilayer hexagonal boron nitride and the electrodes are single-layer graphene.…

Mesoscale and Nanoscale Physics · Physics 2025-04-15 Bozo Vareskic , Finn G. Kennedy , Takashi Taniguchi , Kenji Watanabe , Kenji Yasuda , Daniel C. Ralph

We report the fabrication of perpendicular ferromagnetic electrodes for tunneling devices consist of van der Waals heterostructure. We found MgO/Co/Pt films on Hexagonal BN shows perpendicular magnetic anisotropy (PMA) with the easy axis…

Mesoscale and Nanoscale Physics · Physics 2017-10-31 H. Idzuchi , T. Taniguchi , K. Watanabe , P. Kim

We report an investigation of the ferromagnetic semiconductor rare earth nitrides (RENs) for their potential for cryogenic-temperature electronics and spintronics application. We have indentified ohmic contacts suitable for the device…

Applied Physics · Physics 2020-04-22 Jackson D. Miller , Felicia H. Ullstad , H. Joe Trodahl , Ben. J. Ruck , Franck Natali

Hexagonal boron nitride (h-BN) is a brittle ceramic with a layered structure, however, recent experiments have suggested that inter-layer structural engineering could be key to new structural and functional properties. Here we report the…

Hexagonal boron nitride (h-BN) is a key ingredient for various two-dimensional (2D) van der Waals heterostructure devices, but the exact role of h-BN encapsulation in relation to the internal defects of 2D semiconductors remains unclear.…

Optically addressable spin defects in wide-bandage semiconductors as promising systems for quantum information and sensing applications have attracted more and more attention recently. Spin defects in two-dimensional materials are supposed…

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