Fig. 7: Epitaxial strain dependence of the Λ components that control the e33 response (see text). | Nature Communications

Fig. 7: Epitaxial strain dependence of the Λ components that control the e33 response (see text).

From: Piezoelectricity in hafnia

Fig. 7

More precisely, the shown components quantify the third (vertical) component of the force that acts on the Hf, OI and OII atoms as a consequence of an applied strain η3 > 0.

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