{TAIL ~ The substrate} is bombarded with the ionized particles to form carbon nitrides with variable / ratios, referred to as {HEAD ~ CNx} 
{ TAIL ~ The substrate } is bombarded with the ionized particles to form carbon nitrides with variable / ratios , referred to as { HEAD ~ CNx }
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD