La0.6Sr0.4CoO3−δ Films Under Deoxygenation: Magnetic And Electronic Transitions Are Apart from The Structural Phase Transition
Functional oxides, such as La0.6Sr0.4CoO3−δ, are extremely sensitive to their oxygen stoichiometry and can ultimately undergo electronic, magnetic, and structural phase transition with a varying oxygen content. In this study, we relate the magnetic and electronic phase transition occurring in epitaxial La0.6Sr0.4CoO3−δ thin films to the initial loss of oxygen already at an early stage of the reduction process. The structural transition to a phase-pure Brownmillerite phase is subsequently achieved by continuous reduction, resulting in a coherently-ordered final structural phase.
Suqin He, Oleg Petracic, Valeria Lauter, Lei Cao, Yunxia Zhou, Moritz Lukas Weber, Jürgen Schubert, Omar ConcepciónRegina Dittmann, Rainer Waser, Thomas Brückel, Felix Gunkel
Advanced Func. Mater. 34, 24 , 2313208 (07 February 2024) https://doi.org/10.1002/adfm.202313208
Contact
Dr. Felix Gunkel
Senior Researcher / Group leader Associate Professor, University of Twente (IMS)
- Peter Grünberg Institute (PGI)
- Electronic Materials (PGI-7)
Room 51
Prof. Dr. Regina Dittmann
Director Electronic Materials (PGI-7)
- Peter Grünberg Institute (PGI)
- Electronic Materials (PGI-7)
Room 49b