Results 91 to 100 of about 15,375 (258)

Determination of Carrier Polarity in Fowler-Nordheim Tunneling and Evidence of Fermi Level Pinning at the Hexagonal Boron Nitride / Metal Interface

, 2018
Hexagonal boron nitride (h-BN) is an important insulating substrate for two-dimensional (2D) heterostructure devices and possesses high dielectric strength comparable to SiO2. Here, we report two clear differences in their physical properties.
Hattori, Yoshiaki, Nagashio, Kosuke, Taniguchi, Takashi, Watanabe, Kenji   +3 more
core   +1 more source

Stabilization of Single Metal Atoms on Graphitic Carbon Nitride: Synthetic Strategies and Emerging Applications

Advanced Science, EarlyView.
This review highlights recent advancements in stabilizing single metal atoms on graphitic carbon nitride emphasizing innovative synthesis strategies and emerging applications in electrocatalysis, photocatalysis and organic transformations, along with key challenges and future perspective. Abstract Emerging as a new frontier in catalysis science, single‐
Wenyao Zhang, Junjie Cui, Zhenjie Yao, Boyuan Zhu, Nithinraj Panangattu Dharmarajan, Ajayan Vinu, Junwu Zhu   +6 more
wiley   +1 more source

Strain-Engineered Thermal Transport at One- to Two-Dimensional Junctions in 3D Nanostructures

C
In the present study, molecular dynamics simulations with three interatomic potentials (Polymer Consistent Force Field, Adaptive Intermolecular Reactive Empirical Bond Order, and Tersoff) are employed to investigate strain-dependent interfacial thermal ...
Moath Al Hayek, Aayush Patel, Joshua Ellison, Jungkyu Park   +3 more
doaj   +1 more source

Influence of Defects in Boron Nitride Nanotubes in the Adsorption of Molecules. Insights from B3LYP-D2* Periodic Simulations

Crystals, 2016
The adsorption of H2O, NH3 and HCOOH as polar molecules and C6H6 and CH4 as non-polar ones on a series of zig-zag (6,0) single-walled boron nitride nanotubes (BNNTs) both being defect-free (P_BNNT) and containing defects at the nanotube walls has been ...
Oriol Matarín, Albert Rimola
doaj   +1 more source

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

Advanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen, Wei Zeng, Zherui Zhao, JiYu Zhao, Ziyan Huang, Zhuo Chen, Kui Zhou, Guanglong Ding, Su‐Ting Han, Ye Zhou   +9 more
wiley   +1 more source

Tunnelling Spectroscopy of Andreev States in Graphene

, 2017
A normal conductor placed in good contact with a superconductor can inherit its remarkable electronic properties. This proximity effect microscopically originates from the formation in the conductor of entangled electron-hole states, called Andreev ...
Bretheau, Landry, Jarillo-Herrero, Pablo, Pisoni, Riccardo, Taniguchi, Takashi, Wang, Joel I-Jan, Watanabe, Kenji   +5 more
core   +1 more source

A Wood Plasticine With Controlled Phase‐Change Behavior and Malleability for Energy‐Closed‐Loop and Conformally Adaptive Thermal Management

Advanced Science, EarlyView.
A photothermal wood plasticine exhibiting controlled phase‐change behavior and malleable property is developed. The developed wood plasticine can provide all‐day, on‐demand, and low‐loss solar heating for geometrically diverse objects, including thermoelectric generator, human body, and battery, through its controlled crystallization‐melting ...
Jiazuo Zhou, Yifan Liu, Lei Qiao, Yuehe Gu, Taikun Yao, Wenbo Zhang, Fangmiao Wang, Yudong Li, Xinyao Ji, Lingyi Kong, Haiyue Yang, Yao Xiao, Chengyu Wang   +12 more
wiley   +1 more source

Nanotube Piezoelectricity

, 2003
We combine ab initio, tight-binding methods and analytical theory to study piezoelectric effect of boron nitride nanotubes. We find that piezoelectricity of a heteropolar nanotube depends on its chirality and diameter and can be understood starting from ...
E. J. Mele, E.J. Mele, F. Bernardini, J. Widany, J.P. Lu, N. Troullier, Na Sai, R. Tenne, R.D. King-Smith, S.M. Nakhmanson, V.V. Kochervinskiĭ, X. Gonze   +11 more
core   +1 more source

Progress in Strain Engineering of 2D‐Integrated Heterostructures for Ultrasensitive Sensors

Advanced Science, EarlyView.
 . ABSTRACT Two‐dimensional (2D) integrated heterostructures have emerged as a cornerstone in the advancement of next‐generation sensor technologies. These heterostructures, which combine materials with different dimensionalities, have led to significant breakthroughs in sensing performance and device integration.
That Buu Ton, Tuan Sang Tran, Duc Khanh Tran, Van Thanh Dau, Dzung Viet Dao   +4 more
wiley   +1 more source

Adsorption Properties of Oxygen on H-Capped (5, 5) Boron Nitride Nanotube (BNNT)- A Density Functional Theory

E-Journal of Chemistry, 2011
The density functional theory (DFT) has been used to simultaneously investigate physic/chemi-sorption properties of oxygen on the (5, 5) boron nitride nanotube (BNNT). Geometry optimizations were carried out at B3LYP/6-31G* level of theory using gaussian
Mohammad T. Baei, F. Kaveh, P. Torabi, S. Zahra Sayyad- Alangi   +3 more
doaj   +1 more source