a carbon nanotube material comprising an array of substantially linear carbon nanotubes each having a proximal end and a distal end, the proximal end of the carbon nanotubes are attached to {HEAD ~ a catalyst substrate material} to form the array with {TAIL ~ a pre determined site density}, wherein the carbon nanotubes are aligned with respect to one another within the array 
a carbon nanotube material comprising an array of substantially linear carbon nanotubes each having a proximal end and a distal end , the proximal end of the carbon nanotubes are attached to { HEAD ~ a catalyst substrate material } to form the array with { TAIL ~ a pre determined site density } , wherein the carbon nanotubes are aligned with respect to one another within the array
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