TY - JOUR
T1 - Ionic diffusion in quartz studied by transport measurements, SIMS and atomistic simulations
AU - Sartbaeva, A.
AU - Redfern, S.A.T.
AU - Reed, S.J.B.
AU - Wells, S.A.
AU - Hinton, R.W.
PY - 2005/2/23
Y1 - 2005/2/23
N2 - Ionic diffusion in the quartz-β-eucryptite system is studied by DC transport measurements, SIMS and atomistic simulations. Transport data show a large transient increase in ionic current at the α-β phase transition of quartz (the Hedvall effect). The SIMS data indicate two diffusion processes, one involving rapid Li≥ motion and the other involving penetration of Al and Li atoms into quartz at the phase transition. Atomistic simulations explain why the fine microstructure of twin domain walls in quartz near the transition does not hinder Li+ diffusion.
AB - Ionic diffusion in the quartz-β-eucryptite system is studied by DC transport measurements, SIMS and atomistic simulations. Transport data show a large transient increase in ionic current at the α-β phase transition of quartz (the Hedvall effect). The SIMS data indicate two diffusion processes, one involving rapid Li≥ motion and the other involving penetration of Al and Li atoms into quartz at the phase transition. Atomistic simulations explain why the fine microstructure of twin domain walls in quartz near the transition does not hinder Li+ diffusion.
UR - http://www.scopus.com/inward/record.url?scp=14544276367&partnerID=8YFLogxK
UR - http://dx.doi.org/10.1088/0953-8984/17/7/004
U2 - 10.1088/0953-8984/17/7/004
DO - 10.1088/0953-8984/17/7/004
M3 - Article
AN - SCOPUS:14544276367
SN - 0953-8984
VL - 17
SP - 1099
EP - 1112
JO - Journal of Physics-Condensed Matter
JF - Journal of Physics-Condensed Matter
IS - 7
ER -