Strong trilinear coupling of phonon instabilities drives the avalanche-like hybrid improper ferroelectric transition in SrBi2Nb2O9

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Date

2021

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Keywords

Strong trilinear coupling, phonon instability, avalanche-like hybrid improper ferroelectric transition, SrBi2Nb2O9

Source

Physical Review-B, 2021. Vol. 103 (13): Article no. 134111

URI

http://hdl.handle.net/123456789/23783

Collections

2021