Academic Journal
Grain Size Induced Metal-insulator Transition in La0.7Sr0.3MnO3 Compounds
| Title: | Grain Size Induced Metal-insulator Transition in La0.7Sr0.3MnO3 Compounds |
|---|---|
| Authors: | Reshi, Hilal Ahmad, Shelke, Vilas |
| Source: | Журнал нано-та електронної фізики, Vol 5, Iss 4, Pp 04053-1-04053-3 (2014) |
| Publisher Information: | Sumy State University, 2013. |
| Publication Year: | 2013 |
| Subject Terms: | Metal-insulator transitio, Metal-insulator transition, Manganites, Physics, QC1-999, Nanomaterials |
| Description: | The effect of different synthesis techniques on structural, microstructural and electrical properties of La0.7Sr0.3MnO3 (LSMO) was investigated. Two different techniques viz solid state reaction (SSR) and sol-gel (SG) method were used to prepare the samples. X-ray studies have confirmed the single phase formation of LSMO by both the techniques. The average grain size was 2 m for solid state reaction sample and 22 nm for sol-gel sample. A substantial enhancement in electrical resistivity was observed in the sample with nanosized grains. The micro grain size sample exhibited metallic behaviour whereas nanoparticle sample showed metal-insulator transition around 250 K. |
| Document Type: | Article |
| File Description: | application/pdf |
| Language: | English |
| ISSN: | 2077-6772 |
| Access URL: | https://doaj.org/article/216156cb1be745608f867b9877369bbb http://essuir.sumdu.edu.ua/handle/123456789/35542 |
| Accession Number: | edsair.dedup.wf.002..c322fe1b9bc5a78f42316a5d25b2c4ee |
| Database: | OpenAIRE |
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