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Fabrication of PMN PZT Transparent Ceramics by Two‐Stage Sintering

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Highly optically transparent ceramics of (1−x) Pb ( Mg 1/3 Nb 2/3) O 3x Pb ( Zr 0.53, Ti 0.47) O 3 ( PMN PZT ) were fabricated by a two‐stage sintering method without La‐modification. The ceramics exhibited high optical transparency (64% at 1500 nm) for visible and near infrared wavelength. The ferroelectric domain and microstructure of PMN PZT transparent ceramics prepared were also investigated. Fully dense microstructure was observed in all PMN PZT transparent ceramic samples. Higher PMN containing compositions exhibited pyrochlore phase and relatively lower transparency for near infrared wavelengths. Fine and irregular fingerprint ferroelectric domains were observed in all PMN PZT compositions except in the PMN PZT 67/33 composition that had dense microstructure and pure perovskite phase. This PMN PZT 67/33 composition exhibited the lowest transparency (40% at 1500 nm) with large‐scale macrodomain structure.
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Document Type: Research Article

Publication date: July 1, 2012

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