| http://www.w3.org/ns/prov#value | - Nickel is a well-known activator for many inorganic systems and produces white light by suitably adjusting the yellow and blue light emissions [20, 21].An attempt has been made here to study the effect of nickel doping on the crystal structure, morphology, particle size, optical absorption, and photoluminescence (PL) behaviour of MgO nanopowder with the objective of its possible application in opt
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