Synthesis and microstructure of conformal coatings on particulates

K. Rajan, P. Sajgalik, R. K. Singh, D. Kumar, J. Fitz-Gerald

Research output: Contribution to journalConference articlepeer-review


In this paper we present an overview of two very different approaches to the synthesis of composite particulates which result in a `core-shell' type structure. It is shown that both these synthesis approaches result in very characteristic interface structures between the outer coating and the host particles. One synthesis strategy is to use laser ablation deposition on individual particles and the other is to `coat' particles `in-situ' by taking advantage of solid state diffusional transformations. Examination of the interface between the outer shell and the core of the particle shows that textured or topotactical growth occurs and it is suggested that this unique crystallographic characteristic may be responsible for the properties offered by these engineered particulates. The applications of such engineered particulates is also discussed.

Original languageEnglish
Pages (from-to)313-320
Number of pages8
JournalMaterials Research Society Symposium - Proceedings
StatePublished - 1998
Externally publishedYes
EventProceedings of the 1997 MRS Fall Symposium - Boston, MA, USA
Duration: 30 Nov 19973 Dec 1997


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