Evolution of Irradiation-Induced Vacancy Defects in Boron Nitride Nanotubes.
@article{Cheng2016EvolutionOI,
title={Evolution of Irradiation-Induced Vacancy Defects in Boron Nitride Nanotubes.},
author={Guangming Cheng and Shanshan Yao and Xiahan Sang and Boyi Hao and Dongyang Zhang and Yoke Khin Yap and Yong Zhu},
journal={Small},
year={2016},
volume={12 6},
pages={
818-24
}
}Irradiation-induced vacancy defects in multiwalled (MW) boron nitride nanotubes (BNNTs) are investigated via in situ high-resolution transmission electron microscope operated at 80 kV, with a homogeneous distribution of electron beam intensity. During the irradiation triangle-shaped vacancy defects are gradually generated in MW BNNTs under a mediate electron current density (30 A cm(-2)), by knocking the B atoms out. The vacancy defects grow along a well-defined direction within a wall at the…
10 Citations
Enhancing the piezoelectric properties of boron nitride nanotubes through defect engineering
- Materials Science
- 2021
Intrinsic and Defect-Related Elastic Moduli of Boron Nitride Nanotubes as Revealed by in Situ Transmission Electron Microscopy.
- Materials ScienceNano letters
- 2019
Excellent intrinsic elastic properties and decent radiation-resistance prove that BNNTs could be a material of choice for applications in extreme environments, such as those existing in space.
Mechanical properties of defective double-walled boron nitride nanotubes for radiation shielding applications: A computational study
- Materials ScienceComputational Materials Science
- 2019
Interaction of dislocations with twinning boundary in bi-twinned metallic nanowires
- Materials ScienceMicroscopy and Microanalysis
- 2021
Metallic NWs usually exhibit ultrahigh mechanical strength and are ideal candidates for studying fundamental deformation mechanisms at the nanoscale.[1-5] Metallic NWs with internal TBs have received…
In-situ TEM study of dislocation interaction with twin boundary and retraction in twinned metallic nanowires
- Materials Science
- 2020
Tensile detwinning in bi-twinned metallic nanowires
- Materials ScienceMicroscopy and Microanalysis
- 2021
Metallic NWs usually exhibit ultrahigh mechanical strength and are ideal candidates for studying fundamental deformation mechanisms at the nanoscale.[1-5] Metallic NWs with internal TBs have received…
Structural Attributes and Photodynamics of Visible Spectrum Quantum Emitters in Hexagonal Boron Nitride.
- PhysicsNano letters
- 2016
This paper investigates correlations between h-BN structural features and emitter location from bulk down to the monolayer at room temperature and analyzes the emitters' spectral features to show that they are dominated by the interaction of their electronic transition with a single Raman active mode of h-bn.
Microstructural evolution and vibration fatigue properties of 7075-T651 aluminum alloy treated by nitrogen ion implantation
- Materials ScienceVacuum
- 2022
Identification of interfacial defects in the layered structure of a chalcopyrite compound
- Materials ScienceMicroscopy and Microanalysis
- 2021
References
SHOWING 1-10 OF 86 REFERENCES
Defective structure of BN nanotubes: from single vacancies to dislocation lines.
- Materials ScienceNano letters
- 2006
It is concluded that under irradiation BN SWNT may have a very stable alteration of its electronic and optical properties.
Characterization of ion-irradiation-induced defects in multi-walled carbon nanotubes
- Materials Science
- 2011
We study the effects of Ar + , He + and C + ion irradiation on multi- walled carbon nanotubes at room and elevated temperatures with transmission electron microscopy (TEM) and Raman spectroscopy.…
Multi- and single-walled boron nitride nanotubes produced from carbon nanotubes by a substitution reaction
- Chemistry
- 1999
Boron nitride (BN) multi-walled (MWNT) or single-walled (SWNT) nanotubes were synthesized from carbon MWNT and SWNT templates, respectively, under heating of C nanotubes together with boron trioxide…
Field emission and strain engineering of electronic properties in boron nitride nanotubes.
- Materials ScienceNanotechnology
- 2012
A strain-engineering pathway is demonstrated to tune the electronic properties of boron nitride nanostructures under multiple cycles of FE experiments and shows that the conductivity of BNNTs can be tuned by means of mechanical straining.
In-situ atomic-scale observation of irradiation-induced void formation.
- Materials ScienceNature communications
- 2013
In-situ atomic-scale observation of the nucleation and growth of voids in hexagonal close-packed magnesium under electron irradiation shows that the initial growth in length is controlled by slow nucleation kinetics of vacancy layers on basal facets and anisotropic vacancy diffusivity, and the subsequent thickness growth is driven by thermodynamics to reduce surface energy.
Effect of electron irradiation on the electrical properties of fibers of aligned single-walled carbon nanotubes
- Materials Science
- 2003
We carried out in situ resistivity measurements on macroscopic oriented ropes of single wall carbon nanotubes in a transmission electron microscope. We have found a minimum in the resistivity as a…
Electron beam machining of nanometer-sized tips from multiwalled boron nitride nanotubes
- Physics, Materials Science
- 2007
We report here that high energy electron irradiation of multiwalled boron nitride nanotubes can be used to form sharp, crystalline, conical tips, or to cut boron nitride nanotubes by controlling the…
Ion and electron irradiation-induced effects in nanostructured materials
- Materials Science
- 2010
A common misconception is that the irradiation of solids with energetic electrons and ions has exclusively detrimental effects on the properties of target materials. In addition to the well-known…
Controlled radiation damage and edge structures in boron nitride membranes.
- PhysicsACS nano
- 2011
We show that hexagonal boron nitride membranes synthesized by chemical exfoliation are more resistant to electron beam irradiation at 80 kV than is graphene, consistent with quantum chemical…
Effective growth of boron nitride nanotubes by thermal chemical vapor deposition.
- Physics, Materials ScienceNanotechnology
- 2008
It is found that these BNNTs have an absorption band edge of 5.9 eV, approaching that of single h-BN crystals, which is promising for future nanoscale deep-UV light emitting devices.






