Figure 1
From: Origin of giant piezoelectric effect in lead-free K1−xNaxTa1−yNbyO3 single crystals

Photographs of the as-grown KNTN single crystals.
From: Origin of giant piezoelectric effect in lead-free K1−xNaxTa1−yNbyO3 single crystals
Photographs of the as-grown KNTN single crystals.