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Ultraclean radioisotope marking by nuclear stimulated desorption (1991)

Kelson, I. ; Nir, D. ; Zidon, A. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 69 (1991), S. 1147-1150

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: A method for ultraclean radioactive marking is presented, utilizing the process of nuclear stimulated desorption. It employs a sequence of two slow radioactive decays. The primary decay causes a nucleus to desorb from a substrate onto which it had been placed. The desorbing daughter nuclei, being themselves radioactive, then constitute an ultraclean marking flux. A manifestation of this mechanism for the special case of the 47Ca→47Sc→47Ti decay is described. An application to end-point detection in wet etching is presented and quantitatively simulated.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.347295

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