Flux growth of La‐doped lead zirconate stannate titanate antiferroelectric crystals
Flux growth of La‐doped lead zirconate stannate titanate antiferroelectric crystals
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DOI：
10.1002/crat.200800024
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发表时间：
2008-10
影响因子：
1.5
通讯作者：
L. Wang;Qiang Li;Yiling Zhang
中科院分区：
文献类型：
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作者：
L. Wang;Qiang Li;Yiling Zhang
以PbO-PbF 2-B2 O3为助熔剂，采用助熔剂法生长了成分在准同型相界附近的弛豫反铁电单晶锆锡酸镧钛酸铅（PLZST）。所得晶体为浅黄色。XRD图谱显示所得晶体的惯用晶面为（001）。研究了晶体形态，并将其与由二维生长控制的层生长机制相关。通过电感耦合等离子体原子发射光谱法（ICP）分析生长态晶体的化学组成，表明与起始材料相比，Ti的量略有减少。XRD图谱证实了这一结果，从四面体和菱面体相共存到单一的四面体相的相变。（© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA，魏因海姆）
Relaxor antiferroelectric single crystals lead lanthanum zirconate stannate titanate (PLZST) with the composition around the morphotropic phase boundary (MPB) have been grown by flux method using 50 wt% PbO‐PbF2‐B2O3 as a flux. The obtained crystals are light yellow in color. The XRD patterns revealed that the habitual faces of the obtained crystal are (001). The crystal morphology was studied and related to a layer growth mechanism controlled by two‐dimensional growth. The chemical composition of as‐grown crystal was analyzed by inductively coupled plasma atomic emission spectrometry (ICP), indicating a slight decrease of the amount of Ti compared to the starting materials. The result was verified by the XRD patterns with the phase transformation from the co‐existence of tetragonal and rhombohedra phases to the single tetragonal phase. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)