Direct observation of Jahn-Teller critical dynamics at a charge-order Verwey transition

Vinícius Pascotto Gastaldo,1, 2, 3, ∗ Mala N. Rao,4, 5 Alexey Bosak,6 Matteo d’Astuto,2, 7 Andrea Prodi,6 Marine Verseils,2, † Yannick Klein,2 Christophe Bellin,2 Luigi Paolasini,6 Adilson J. A. de Oliveira,1 Edmondo Gilioli,8 Samrath Lal Chaplot,4, 5 and Andrea Gauzzi2, ‡ Departamento de Física, Universidade Federal de São Carlos, São Carlos SP, 13565-905, Brazil IMPMC, Sorbonne Université and CNRS, 4, place Jussieu, 75005 Paris, France Instituto de Física, Universidade Federal do Mato Grosso do Sul, Campo Grande MS, 79070-900, Brazil Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400085, India Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India European Synchrotron Radiation Facility, 6 rue Jules Horowitz, 38043 Grenoble, France Institut Néel CNRS/UGA UPR2940, 25, rue des Martyrs, 38042 Grenoble, France Istituto dei Materiali per Elettronica e Magnetismo, CNR, Area delle Scienze, 43100 Parma, Italy (Dated: December 9, 2021)