Ferroic oxide heterostructures: the impact of the interface
On Thursday 19th of November at 11:00 am warmly invite you to join the seminar of Gabriele De Luca, a former brilliant student of our department now at University of Zurich.
Title:
"Ferroic oxide heterostructures: the impact of the interface"
The seminar will be on the Teams platform, under the Team named: "Seminar: Gabriele De Luca", which can be accessed using the following code: c2a4s51
or alternatively clicking on the following link:
Please feel free to write me an email in case you have difficulties accessing the Team.
Scroll down for Title and Abstract.
Abstract:
Transition metal oxides (TMOs) are characterized by a richness of properties spanning from colossal magnetoresistance to high-temperature superconductivity due to the strong coupling between charge, lattice, spin and orbital degrees of freedom. In the last decades, motivated by the prospective development of energy-efficient devices and inspired by the successful semiconductor-technology approach, many efforts have been devoted in refining the oxide-thin-film deposition methods in order to control the growth of TMOs with atomic precision. A critical consequence of this miniaturization is the increasing influence of the interfaces in determining the physical properties of the heterostructures under investigation.To illustrate the significance of this scenario in ferroic systems I will focus on two different examples: first, I will discuss the interplay between thickness, strain and depolarizing field in determining the domain structure of the prototypical ferroelectric perovskite BaTiO3. Afterwards, I will introduce the double perovskite insulating ferromagnet La2NiMnO6 and I will present the evolution of its electronic and magnetic properties in the ultrathin limit. In both cases I will highlight the crucial role of the interface in governing the macroscopic response of the material. Interface engineering can be a very powerful method to tailor the desired functionality in oxide heterostructures.
Proposer
Andrea Rubano
Data:
19/11/2020