• Haiping Xia

      Articles written in Bulletin of Materials Science

    • Growth of Nd3+ doped LiNbO3 crystals using Bridgman method and its spectral properties

      Jinhao Wang Yueping Zhang Haiping Xia Jiawei Sheng

      More Details Abstract Fulltext PDF

      The growth of Nd3+ doped lithium niobate crystals using Bridgman method has been reported in this paper. By means of the optimum conditions such as proper feed materials, sealed platinum crucibles, growth rate of 1–1.5 mm/h and temperature gradient of 30–35°C/cm across the solid–liquid interface under the furnace temperature of 1300°C, single crystals containing Nd3+ ion with 0.54 mol% concentration were obtained. X-ray diffraction and ICP–AES were used to characterize the crystals and its composition. The absorption, emission and fluorescence lifetime are also measured. Based on the Judd–Ofelt theory, we obtained the optical parameters of the crystal such as the luminescent quantum efficiency, the radioactive lifetimes, the branching ratios and the emission cross-section.

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