All nanovideos

Thinning of a multi-walled CNT down to the single-shell

Thinning of a multi-walled carbon nanotube down to the single-shell under electrical biasing and corresponding Joule heating in TEM. The tube is thinned in its central portion where the temperature is maximal and above the sublimation point for carbon.


 

Tensile test on a single-walled CNT

Direct tensile test on a single-walled carbon nanotube in TEM. The tensile strength measured was 100 GPa.


 

Graphene nanoribbon bent in TEM

Ultimate flexibility of graphene nanoribbon bent in TEM using a piezo-driven tungsten manipulator.


 

CNT junction pulling test in TEM

Verifying the high strength of interconnected carbon nanotubes joined via a cobalt nanoparticle under direct junction pulling test in TEM. The strength of a joint exceeded 5 GPa.


 

Bending of single-walled CNT

Bending test on a single-walled carbon nanotube in TEM. The bending force measured was 3 nN.


 

Tensile test on the BNNT/aluminium composite

Direct tensile test on the boron nitride nanotube/aluminium composite in TEM. The individual nanotube was covered with an aluminium film composed of numerous aluminium nanoparticles.


 

Fracture of BNNT/Al composite under bending

Bending and cracking of boron nitride nanotube/aluminium composite in TEM. The individual nanotube was covered with an aluminium film composed of numerous aluminium nanoparticles.


 

Direct recrystallization of the amorphous metal (cobalt) into the oriented single crystal

Direct recrystallization of the amorphous metal (cobalt) into the oriented single crystal in the channel of multi-walled carbon nanotube under biasing and induced Joule heating. Corresponding Fast Fourie Trasform (FFT) pattern additionally illustrates the process through changing the obvious initial halo-like pattern into the one exhibiting notable crystal reflections.


 

 

Peeling three atomic layers from MoS2 single crystal

Peeling three atomic layers from molybdenum disulphide single crystal inside TEM using a piezo-driven sharp tungsten probe; the process mimics the popular “skotch-tape” technique of getting graphene-like nanosheets.


 

Silicon nanowire – bending test

Direct bending test on an individual silicon nanowire of only 20 nm in diameter in TEM showing its moderate flexibility, cracking and failure, and corresponding molecular dynamics simulation of the observed deformation kinetics.


 

Tensile test on an individual multi-walled BNNT

Direct tensile test on an individual multi-walled boron nitride nanotube in TEM. The ultimate tensile strength measured was 33 GPa.


 

Bending test on a single-walled BNNT

Bending test on a single-walled boron nitride nanotube in TEM. The bending force measured was 5.3 nN.


 

Direct TEM tensile test and failure of an individual bamboo-like BNNT

Direct TEM tensile test and failure of an individual bamboo-like boron nitride nanotube stretched between silicon cantilever (left) and piezo-driven tungsten (right) electrodes. The ultimate tensile strength measured was 8 GPa.


 

Explosion of BNNT under biasing

Coulomb explosion of insulating boron nitride nanotube under electrical biasing in TEM up to 140 V.


 

The gun-bullet-like action

The gun-bullet-like action; a cobalt particle is shot from the carbon nanotube channel because of the appeared large electrical and thermal gradients under tube biasing in TEM.