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http://hdl.handle.net/2080/38
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DC Field | Value | Language |
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dc.contributor.author | Sahu, P K | - |
dc.contributor.author | Behera, S K | - |
dc.contributor.author | Pratihar, S K | - |
dc.contributor.author | Bhattacharyya, S | - |
dc.date.accessioned | 2005-05-20T04:57:20Z | - |
dc.date.available | 2005-05-20T04:57:20Z | - |
dc.date.issued | 2004 | - |
dc.identifier.citation | Ceramics International, Vol 30, Iss 7, P 1231-1235 | en |
dc.identifier.uri | http://hdl.handle.net/2080/38 | - |
dc.description | Copyright of this article belongs to Elsevier Science Ltd | en |
dc.description.abstract | A novel chemical synthesis route has been developed to prepare LaAlO3 from low cost inorganic precursors, by gelation–precipitation technique. Phase evolution, morphology, agglomeration and surface area were studied as a function of chloride content and heat treatment temperature. The samples containing chloride crystallized at 1100 °C with the formation of intermediate phases. The product was highly agglomerated and had low surface area. On the contrary, the as-synthesized chloride-free samples crystallized directly to pure LaAlO3 perovskite phase at 600 °C, which is the lowest crystallization temperature achieved so far. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) of chloride-free samples reveal very fine clusters of nanosized spherical particles. The as synthesized and calcined chloride-free samples have a high surface area and are thermally stable upto 1600 °C without decomposition. | en |
dc.format.extent | 211738 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | en | - |
dc.publisher | Elsevier | en |
dc.subject | Electron microscopy | en |
dc.subject | Perovskites | en |
dc.subject | Substrates | en |
dc.title | Low temperature synthesis of microwave dielectric LaAlO3 nanoparticles: effect of chloride on phase evolution and morphology | en |
dc.type | Article | en |
Appears in Collections: | Journal Articles |
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bhatta1[1].pdf | 206.78 kB | Adobe PDF | View/Open |
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