Question: Ferroelectric linear array consider a line of atoms of Polarizability a and separation a. Show that the array can polarize spontaneously if a > a

Ferroelectric linear array consider a line of atoms of Polarizability a and separation a. Show that the array can polarize spontaneously if a > a3/4Σn–3, where the sum is over all positive integers and is given in tables as 1.202. . . .

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