Combustion Synthesis and Explosion Methods

Dispersing a dielectric substance such as AI2O3 in Lil [24] enhances the ionic conductivity of Lil by about 2 orders of magnitude. The smaller the particle size of the dielectric, the larger is the effect. This phenomenon is explained on the basis that the space-charge layer consists of V[j or Li generated at the interface between the ionic conductor (Lil) and the dielectric material (AI2O3) [39]. 

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The idea of the combustion synthesis method is based on the assumption that nanoparticles can be formed by a very rapid heat pulse (the combustion or explosion). A typical reaction mixture consists of metal nitrates and a propellant. On combustion, the mixmre yields the desired products and volatile by-products. The reaction scheme for such a reaction might be ... 

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