Beschreibung
Produktdetails
Novel materials and nanostructures with superior
electro-mechanical properties are emerging in the
development of novel devices. Engineering
application of these materials requires accurate
electro-mechanical characterization, which in turn
requires development of novel experimental
techniques. This book outlines the investigation of
the mechanical and electrical properties of one-
dimensional nanomaterials.
One-dimensional nanomaterials such as carbon
nanotubes (CNTs), ZnO and GaN nanowires were
investigated using MEMS technology and in situ
SEM/TEM experimentation. This nanoscale materials
testing system (nMTS) allows the direct correlation
of stress-strain state and defect nucleation and
propagation.
For CNTs, the fracture strengths of arc-discharge-
grown multi-walled carbon nanotubes (MWCNTs) were
measured using nMTs within a TEM. Single-shell
failures were observed with a mean fracture strength
in excess of 100 GPa, which exceeds prior
observations by more than a factor of three. Using
the same experiment, the Young s modulus and
tensile strengths of ZnO and GaN NWs were measured.
electro-mechanical properties are emerging in the
development of novel devices. Engineering
application of these materials requires accurate
electro-mechanical characterization, which in turn
requires development of novel experimental
techniques. This book outlines the investigation of
the mechanical and electrical properties of one-
dimensional nanomaterials.
One-dimensional nanomaterials such as carbon
nanotubes (CNTs), ZnO and GaN nanowires were
investigated using MEMS technology and in situ
SEM/TEM experimentation. This nanoscale materials
testing system (nMTS) allows the direct correlation
of stress-strain state and defect nucleation and
propagation.
For CNTs, the fracture strengths of arc-discharge-
grown multi-walled carbon nanotubes (MWCNTs) were
measured using nMTs within a TEM. Single-shell
failures were observed with a mean fracture strength
in excess of 100 GPa, which exceeds prior
observations by more than a factor of three. Using
the same experiment, the Young s modulus and
tensile strengths of ZnO and GaN NWs were measured.
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