Mn--Cr dopant association in dilute co-doped $\mathrm{ZnA}{\mathrm{l}}_2{\mathrm{O}}_4$ revealed by combined EPR and optical spectroscopy

Apoko S. Omondi, Mátyás M. Rudolf, Nikoletta Jegenyés +5

Efficient and durable phosphors made from abundant elements underpin energy-saving solid-state lighting, near-infrared light sources for sensing, and X-ray and biomedical imaging.…