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(a) Field-emission scanning electronic micrograph images showing imbedding and pullout morphology of carbon nanotubes in the grains in 0.5% nanocomposite. (b) Field-emission transmission electron microscope image further showing carbon nanotubes imbedded in the grains and tightly bonding of two phases.
Temperature dependence of resistivity of (a) MWNT-free ceramics, (b) , (c) , and (d) nanocomposites.
characteristics of (a) , (b) , and (c) bilayer ceramics. The upper inset shows the schematic cross section of the bilayer ceramics. The lower inset is the characteristics for Ag Ohmic contacts on (a) MWNT-free ceramics, (b) ceramics, (c) ceramics, and (d) ceramics.
Physical properties of nanocomposites fabricated by SPS at for .
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