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Figure 1. The Lorentz electric field model.
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Figure 2. The isolated atom model.
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Figure 3. ABO3-type perovskite.
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Figure 4. (a) C32 and C23 for the cubic phase of BT. (b) C32 and C23 for the tetragonal phase of BT. (c) C24 for the cubic phase of BT. (d) C24 for the tetragonal phase of BT. (e) C42 for the cubic phase of BT. (f) C42 for the tetragonal phase of BT.
Figure
4 ,Table
5 个