Chapter 9

Activation of Ion Implanted Impurities

Kunihiro Suzuki


Solid solubility is not a limiting factor for the maximum activation of impurities during solid phase epitaxial recrystallization (SPER). However, activation is limited to the maximum value of about 2x10<sup>20</sup> cm<sup>-3</sup> during SPER. A concept of the isolated impurity that has no neighbor impurities with a certain lattice range is introduced. The impurities react with neighbor impurities to form clusters, and only the isolated impurities can be active. The isolated impurity concentration has the maximum concentration at the total impurity concentration of about 10<sup>21</sup> cm<sup>-3</sup>, and it decreases with a further increase in total impurity concentration.

Total Pages: 143-162 (20)

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.Ion Implantation and Activation.
.Ion Implantation and Activation.
.Classical Mechanics and Quantum Mechanics: An Historic-Axiomatic Approach.