Crystal of the lead-free double perovskite Cs₂BiAgBr₆ (IMAGE)

TU Dortmund University

Crystal of the lead-free double perovskite Cs₂BiAgBr₆

Caption

A crystal of the lead-free double perovskite Cs₂BiAgBr₆, for which the physicists observed the generation of shear hypersound pulses under femtosecond laser excitation. 

Credit

Dirk Schemionek

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