Strong Trilinear Coupling of Phonon Instabilities Drives The Avalanche-Like Hybrid Improper Ferroelectric Transition in SrBi₂Nb₂O₉

Nov 29, 2023
8:00pm - 10:00pm

Hynes, Level 1, Hall A

Aditya Roy

Naini Bajaj

Vasant Sathe

Manh Le

Aditya Roy¹,Naini Bajaj¹,Vasant Sathe²,Sanjay Mishra³,Ranjan Mittal³,Manh Le⁴,Dipanshu Bansal¹

Indian Institute of Technology Bombay¹,UGC-DAE Consortium for Scientific Research²,Bhabha Atomic Research Centre³,ISIS Facility⁴

neutron scattering | Raman spectroscopy

Craig Brown, National Institute of Standards and Technology

Michelle Dolgos, University of Calgary

Rie Makiura, Osaka Metropolitan University

Brent Melot, University of Southern California

Bronze
Anton Paar
Hiden Analytical Inc

Craig Brown

Brent Melot

Strong Trilinear Coupling of Phonon Instabilities Drives The Avalanche-Like Hybrid Improper Ferroelectric Transition in SrBi2Nb2O9