Abstract:The radiation damage of MnO, doped ammonium sulphate single crystals is studied. The optical absorption spectra of-these crystals before irradiation consist of absorption bands around 5200, 3400,3000, and 2300 A. These bands are found to decrease in intensity on irradiation with the simultaneous growth of new bands around 7900, 5600, 4200, 3300, and 2900 A. These newly produced bands are attributed to the formation of MnOiions. The spin-unrestricted SCF cluster model given by Johnson and Smith in conjunction w… Show more
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