Andrea D’Alessio

 

Thesis title:  Freestanding oxide films for spin-charge conversion phenomena

After doing my MSc thesis at Chalmers University in Gothenburg, I joined the Functional OXides section at DTU Energy as PhD student in September 2022; the main subject of my studies will be spin-charge conversion phenomena in oxide heterostructures, under the supervision of Felix Trier and Nini Pryds. What moves my research is the attempt to find a good platform to build the MESO (Magneto- Electric Spin-Orbit) transistor, whose integration in electronic devices would lead to great energy savings. In order to achieve the realization of such device, a platform showing good efficiency in spin-charge conversion is needed. My work will be mainly devoted to finding this platform, playing with heterostructures made of different oxides and ferromagnetic materials in two different steps.

First, trying to get spin injection across a ferromagnetic material into a thin film, and second to realize spin transport in the 2DEG by electrical injection when a different material is placed above in different twisting angles.

My work will be carried in collaboration with Chalmers University of Technology. Taking this illustration of the spin-information read-out part in the MESO transistor as a reference, my research will be oriented in studying the blue and red materials where red is the ferromagnet and blue is the spin-charge converter (yellow is a metal transporting the charge current to the next MESO transistor).

Start date: 15-09-2022 

Finish date: 14-09-2025

PhD supervisors: Felix Trier and Nini Pryds

Contact

Andrea D'Alessio
PhD student
DTU Energy