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In this work we have reported the effects of the near zero degree centigrade temperature performance of the cop-precipitation on the grain size, agglomeration amount and molecular structure of nano-sized neodymium oxide powders. The SEM results show that adding the precipitator to the mother salt which was kept at 0 o C has much less agglomeration in comparison with the samples prepared by the room temperature standard co-precipitation method. Also the recorded spectra of the back scattering Raman spectroscopy of the samples reveal much better molecular structure of the nano-sized neodymium oxide powders produced by this new modified method.