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Dynamics and thermodynamics of tetragonal zirconia determined by 111In/Cd TDPAC |
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| Authors: | Gardner J.A. Lee T. Mommer N. Karapetrova E. Zacate M.O. Platzer R. Evenson W.E. Sommers J.A. |
| Affiliation: | (1) Department of Physics, Oregon State University, Corvallis, OR 97331, USA;(2) University of Marburg/MPI for Nuclear Physics, D-69029 Heidelberg, Germany;(3) Department of Physics, Brigham Young University, Provo, UT 84602, USA;(4) Teledyne Wah Chang Albany, Albany, OR 97321, USA |
| Abstract: | For several years this research group has been using 111In/Cd TDPAC to study oxygen vacancies in pure and lightly doped zirconia powders at temperatures up to 1400°C. This paper includes a brief survey of important results from those studies and some recent results. In particular, our new measurement showing negligible relaxation due to vacancy hopping above 600°C provides a major breakthrough in our ability to analyze PAC data and to determine accurately hopping and trapping rates and enthalpies for vacancies in tetragonal zirconia. This revised version was published online in August 2006 with corrections to the Cover Date. |
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