Effect of La/K A-site Substitutions on the Ordering of Ba(Zn1/3Ta2/3)O3 |
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| Authors: | Cheng-Chang Lee Chen-Chia Chou Dah-Shyang Tsai |
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| Affiliation: | Department of Chemical Engineering National Taiwan Institute of Technology, Taipei 10672, Taiwan;Department of Mechanical Engineering, National Taiwan Institute of Technology, Taipei 10672, Taiwan |
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| Abstract: | The 1/3 <111>-type ordering of Ba(Zn1/3Ta2/3)O3 (BZT) can be transformed to 1/2 <111>–type ordering by substituting the La3+ cation into the A site. The 1/3 <111> ordering in BZT is shown to be reduced, discontinued, and then replaced by 1/2 <111> ordering, using X–ray diffraction, electron microscopy, and Raman spectroscopy. On the other hand, potassium–substituted BZT only displays a reduction in the degree of ordering. |
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