RIXS study of strain-tuned coupled valence and spin-state transition in epitaxial $({\mathrm{Pr}}_{0.85}{\mathrm{Y}}_{0.15}{)}_{0.7}{\mathrm{Ca}}_{0.3}{\mathrm{CoO}}_3$ films

Yiu-Fung Chiu, Jaewon Choi, Nileena Nandakumaran +7

Strain-tuned $({\mathrm{Pr}}_{0.85}{\mathrm{Y}}_{0.15}{)}_{0.7}{\mathrm{Ca}}_{0.3}{\mathrm{CoO}}_3$ thin films provide a model system for controlling coupled valence, spin-state, structura…