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Bmt with and without glass

by on Oct 02, 2012

  • 396 views

Barium magnesium tantalate (BMT) was prepared by two step solid state route at different temperatures in the range 950 to 13000C by soaking the sample for various time intervals ranging from 2 hrs to ...

Barium magnesium tantalate (BMT) was prepared by two step solid state route at different temperatures in the range 950 to 13000C by soaking the sample for various time intervals ranging from 2 hrs to 39 hrs. In another set of experiment BMT was added with 1, 2, 2.5, 5, 7.5 and 10 wt% B2O3 (frit glass) and heated at 13000C for 30 minutes. The samples obtained at the end of thermal history were pelletized and subjected to crystal structural, density, surface morphology and dielectric measurements. XRD studies indicate that single phase BMT pseudo cubic perovskite was formed by heating sample at 12000C for 2 hrs. This clearly indicates that reduction in phase formation temperature was observed for pure BMT formed by two step solid state route.

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Bmt with and without glass Bmt with and without glass Document Transcript