Unfolding the challenges to prepare epitaxial complex oxide membranes by chemical methods

Pol Sallés Perramon, Superconducting Materials and Large Scale Nanostructures (SUMAN) group at ICMAB-CSIC

Date: Tuesday, 25 April 2023
Time: 10:30 AM
Venue: Institut de Ciència de Materials de Barcelona (ICMAB, CSIC) - Sala d'Actes Carles Miravitlles

Abstract:

The development of fabrication approaches to prepare freestanding epitaxial complex oxides has opened a myriad of new opportunities to freely manipulate the oxides rising huge interest to be integrated in versatile next-generation electronic devices and envisaging distinct and novel properties to deliver performance improvement. This thesis explores the frontiers of cost-efficient chemical deposition methodologies to broaden the freestanding epitaxial oxide library prepared from Sr₃Al₂O₆-based sacrificial layer. Cation engineering in Sr₃Al₂O₆ has been thoroughly investigated to provide a robust approach to successfully prepare a variety of freestanding oxides including CoFe₂O₄, La_0.7Sr_0.3MnO₃ and BiFeO₃ to ultimately deliver an all-oxide functional device.

Supervisor:

• Mariona Coll, SUMAN group, ICMAB-CSIC

• President: Maarit Karppinen, Aalto University, Finland
• Secretary: David Pesquera Herrero, ICN2, Spain
• Vocal: Francisco Rivadulla Fernandez, Universidad de Santiago de Compostela, Spain

University: Universitat Autònoma de Barcelona (UAB)
PhD Programme: Materials Science

Etching of the water-soluble Sr₃Al₂O₆ sacrificial layer to release a freestanding epitaxial complex oxide | Pol Sallés