Abstract
Electron paramagnetic resonance spectroscopy, and optical spectroscopy at room temperature and 10K have been used to analyze the role of chromium ions (Cr4+) in the near-infrared emission spectra of chromium-doped forsterite and åkermanite crystals. Chromium ions (Cr4+) in nearly equivalent tetrahedral sites did not give rise to near-infrared emission from all samples.
© 1991 Optical Society of America
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