Abstract

Zn 1− X Mn X S ( X = 0.85 % and 1.26%) nanoparticles have been synthesized using a specially designed equipment and we have studied the influence of doping Mn 2+ on the surface energy of ZnS. The high pressure behaviors of ZnS nanocrystals with different dopant contents have been investigated using angle-dispersive synchrotron X-ray powder diffraction up to 45.1 GPa. Theoretical calculations show that doping with Mn 2+ increases the surface energy of the nanocrystals. The theoretical result has been further corroborated by our experimental observation of an increase in the phase transition pressure of Mn 2+ doped ZnS nanocrystals in diamond-anvil-cell studies.

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