First conference notification
XIX International Feofilov Symposium on Spectroscopy of Crystals Doped with Rare Earth and Transition Metal Ions (IFS 2025) November 10–14, 2025 • Saransk, Russia Dear Colleagues, We invite you to take part in the XIX International Feofilov Symposium on Spectroscopy of Crystals Doped with Rare Earth and Transition Metal Ions (IFS 2025). The XIX International …