Rare earth diffusion kinetics in garnet : Experimental studies and applications

@inproceedings{TIRONE2004RareED,
  title={Rare earth diffusion kinetics in garnet : Experimental studies and applications},
  author={MASSIMILIANO TIRONE and Jibamitra Ganguly and Ralf Dohmen and Falko Langenhorst and Richard L. Hervig and H. Becker},
  year={2004}
}
--We determined the diffusion coefficient of Sm in almandine garnet as function of temperature at 1 bar and fO2 corresponding to that of wüstite-iron buffer, and to a limited extent, that of a few other selected rare earth elements in almandine and pyrope garnets. Both garnets were demonstrated to have metastably survived the diffusion annealing at conditions beyond their stability fields. The experimental diffusion profiles were analyzed by secondary ion mass spectrometry, and in addition by… CONTINUE READING
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