Dongyang Li
Nanostructuring Materials towards Conventionally Unachievable Combination of Desired Properties
When the size of a particle or the size of grains in a solid is reduced to the nanometer scale, unusual changes in its properties may occur. For example, a nano-sized particle of silica could be electrically conductive while a silver particle may become non-conductive when its size is smaller than 20 nm, which are ascribed to the surface effect and spatial confinement to electrons. Supermagnetism can be obtained when the size of a ferromagnetic particle is reduced to nanometer scale at which only a single domain exists. Such variations in property with object’s dimensional reduction at nanometer scale provide great opportunities to tailor materials for superior properties that cannot be achieved using conventional techniques.
English 
Spanish 
Chinese 
Russian 
German 
French 
Japanese 
Portuguese 
Hindi