Article ID Journal Published Year Pages File Type
1548236 Progress in Natural Science: Materials International 2013 6 Pages PDF
Abstract

This paper reports that the high pressure in situ angle dispersive x-ray diffraction and Raman scattering studies on CoPt and NiPt hollow nanospheres are performed by means of a diamond anvil cell for generating external pressure at room temperature. The crystal structures of both the CoPt and NiP hollow nanospheres keep stable up to about 41 GPa. Moreover, it shows that the hollow nanospheres possess higher bulk moduli than their bulk counterparts by using the first-principles density functional theory.

Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
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