Nano-plasticity of thin single-wall carbon nanotubes under uniaxial compression is investigated through generalized tight-binding molecular dynamics (GTBMD) and ab-initio electronic structure methods. A novel mechanism of nano-plasticity of carbon nanotubes under uniaxial compression is observed in which bonding geometry collapses from a graphitic (sp 2) to a localized diamond like (sp 3) recon...

Test power has emerged as an important design concern in nano-scaled technologies. The BIST circuitry for periodic self-test consumes significant power in hand-held electronic devices to increase battery lifetime. Reduced test power of a module allows parallel testing of multiple embedded cores in an IC. Peak and average power reduction during test contribute to enhanced reliability and improve...

The commercialization of electronic devices requires the high efficiency and stable mirconanomanufacturing processes that allow frequent design upgrades. R2R Nano is a gateway to science and engineering research that aims to impact the widespread adoption of R2R technologies for low-cost, high-volume production of high technology products on flexible substrates. However, there are lots of the m...

The structure and properties of vacancies in a 2 nm Si nano-crystal are studied using a real space density functional theory/pseudopotential method. It is observed that a vacancy’s electronic properties and energy of formation are directly related to the local symmetry of the vacancy site. The formation energy for vacancies and Frenkel pair are calculated. It is found that both defects have low...

Organic electronic devices are becoming increasingly important in a wide variety of applications. These nano-structured devices are typically composed of complex thin/ultrathin multilayers of novel organic or organometallic compounds, along with inorganic materials. The overall electronic behavior of these devices is strongly influenced by the electronic properties and chemical compositions of ...

We determine the graphene morphology regulated by substrates with herringbone and checkerboard surface corrugations. As the graphene-substrate interfacial bonding energy and the substrate surface roughness vary, the graphene morphology snaps between two distinct states: (1) closely conforming to the substrate and (2) remaining nearly flat on the substrate. Since the graphene morphology is stron...

1 Department of Physics and Jiangsu Key laboratory for Advanced Metallic Materials, Southeast University, Nanjing 211189, China. 2 National Laboratory of Solid State Microstructure, School of Electronic Science and Engineering, National Center of Microstructures and Quantum Manipulation, Nanjing University, Nanjing 210093, China. 3 SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of the Ministr...

We report inelastic electron tunneling spectroscopy (IETS) of multilayer molecular junctions with and without incorporated metal nanoparticles. The incorporation of metal nanoparticles into our devices leads to enhanced IET intensity and a modified line shape for some vibrational modes. The enhancement and line-shape modification are both the result of a low lying hybrid metal nanoparticle-mole...

A nano-stitching method is proposed and investigated to modify graphene bilayers. Based this method, four types of low energy carbon allotropes, ”wormhole graphene” allotropoes, are obtained and their structures, stabilities and electronic properties are investigated using first principles methods. We find that all of these wormhole graphene allotropoes are more favorable than graphdiyne and dy...

 First principle calculations of nanolayered ZnO polymorphs (Wurzite–, Zincblende–, Rocksalt–structures) in the scheme of density functional theory were performedwith the help of full potential linear augmented plane wave (FP-LAPW) method. Theexchange - correlation potential is described by generalized gradient approximation asproposed by Perdew–Burke–Ernzrhof (GGA–PBE) and modified Becke–Johns...