Czochralski crystal growth of lithium sodium tetragermanate - Li1.75Na0.25Ge4O9 doped with 0.1% Mn oraz 0.1% Mn and 0.1% Cr. Dopants of Mn and Cr substitute Ge in crystall lattice.
Cooperation:
EPR measurements - prof. S. Kaczmarek from Physics department of West Pomeranian University of Technology Szczecin
optical measurements - prof. A. Suchocki from IP PAS