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PhD Thesis Defense by Hailin Wang: Epitaxial growth of complex functional oxide thin films by green and sustainable chemical solution methods
Epitaxial growth of complex functional oxide thin films by green and sustainable chemical solution methods
by Hailin Wang, Superconducting Materials and Large Scale Nanostructures (SUMAN) and Advanced Characterization and Nanostructured Materials (ACNM) group

Abstract: Chemical solution deposition (CSD) techniques are promising methodologies to achieve epitaxial oxide thin films combining high performance with high easy scalability, environment friendly fabrication and low cost.
In this thesis, the polymer-assisted deposition (PAD), an aqueous environmentally friendly CSD method, is used to prepare derivatives of lanthanum manganite perovskite films, including La2CoMnO6, La2NiMnO6 double perovskites and La0.92MnO3 films, on SrTiO3 or LaAlO3 substrates. We evidenced that the particular growth process and crystallization conditions of PAD (very slow rate, close to thermodynamic equilibrium conditions) promote the high crystallinity and quality of the films, as well as favor high cationic ordering. The PAD technique allows obtaining complex oxide thin films of high microstructural quality suitable for spintronics applications.

Supervisors:
Narcís Mestres, SUMAN group, ICMAB-CSIC
Benjamín Martínez, ACNM group, ICMAB-CSIC

PhD Committee:
President: Amilcar Labarta, UB,  Barcelona, Spain
Secretary: José Santiso, ICN2,  Bellaterra (Barcelona), Spain
Vocal: Adrián Carretero,  CNRS- Montpellier, France

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

Dec 15, 2020 11:00 AM in Madrid

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