We have studied the electronic structure of the higher-order nickelate RP phases (n=4-6) to explore the similarity with cuprates. Our results show large hole-like Fermi surfaces of dx2-y2 character that closely resemble the Fermi surface of optimally hole-doped cuprates. Also, extra dz2 orbitals appear with increasing involvement for higher values of n.

I am currently researching spin qubits realized in strain-engineered graphene p–n junctions. By exploiting nonuniform mechanical strain, this work utilizes strain-induced pseudo-magnetic fields and electrically tunable Rashba spin–orbit coupling to achieve controllable spin splitting and coherent spin manipulation without relying on external magnetic fields. This research aims to establish graphene as a scalable solid-state spin-qubit platform that preserves long spin coherence while enabling all-electrical qubit control.