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{"ops":[{"insert":"Q: "},{"attributes":{"bold":true},"insert":"Bindings in crystalline materials - Van Der Waals interaction"},{"insert":"\n\nConsider the interaction between two identical atoms of one inert gas.\n+) The attraction energy between two atoms varies as the minus sixth power of the separation of the two atoms: E"},{"attributes":{"script":"sub"},"insert":"attraction"},{"insert":" = -A\/R6. \n1> Plot the attraction energy as a function of separation distance R? Explain why we have this attraction interaction?\n+) The repulsion energy between two atoms is in the form E"},{"attributes":{"script":"sub"},"insert":"repulsion"},{"insert":" = B\/R12.\n2> Plot repulsion energy as a function of separation distance R? Explain why we have this repulsion interaction between two atoms?\n3> Plot the total energy (Lennard-Johns potential) as a function of separation distance R?\n\n"}]}
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