Abstract
Two distinct TDPAD signals associated with19F implanted into diamond have been observed. One of these (site 1) remains steady over a considerable range of temperature, whereas the other signal (site 2) disappears at around 800 K. Since no other TDPAD signals appear with the disappearance of this signal, it is suggested that the temperature dependence relates to a thermal dynamic averaging of the quadrupole interaction at one of the fluorine sites because of a dynamic Jahn Teller effect.
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Lowther, J.E. Dynamic Jahn Teller interactions at fluorine in diamond. Hyperfine Interact 52, 139–146 (1989). https://doi.org/10.1007/BF02609553
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DOI: https://doi.org/10.1007/BF02609553