Tzeli D, Petsalakis ID, Theodorakopoulos G. Theoretical study of adsorption of gallium and gallium nitrides on Si(111). CHEMICAL PHYSICS LETTERS 2007;448:88-92.

Tzeli D, Petsalakis IA, Theodorakopoulos G. Theoretical investigation on the electronic and geometric structure of GaN2+ and GaN4+. JOURNAL OF PHYSICAL CHEMISTRY A 2007;111:8892-8902.

Tzeli D, Mavridis A. Theoretical investigation of the ground and low-lying excited states of nickel carbide, NiC. JOURNAL OF CHEMICAL PHYSICS 2007;126