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Table 1 Barrier height and the energy of the final state relative to the initial state

From: First-principles theoretical study of hydrolysis of stepped and kinked Ga-terminated GaN surfaces

   Barrier
height/eV
Energy
difference/eV
 
Step-terrace structure Side bond 1.35 1.06  
  Back bond 1.18 0.34  
Kinked structure Side bond 0.95 0.58  
  Back bond 0.81 −0.04