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Cascade decays and final charge-state distribution of single K-vacancy and double K-vacancy magnesium ions

Hu Hong-Wei Dong Chen-Zhong Shi Ying-Long

Cascade decays and final charge-state distribution of single K-vacancy and double K-vacancy magnesium ions

Hu Hong-Wei, Dong Chen-Zhong, Shi Ying-Long
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Publishing process
  • Received Date:  07 September 2006
  • Accepted Date:  14 October 2006
  • Published Online:  20 July 2007

Cascade decays and final charge-state distribution of single K-vacancy and double K-vacancy magnesium ions

  • 1. 西北师范大学物理与电子工程学院,兰州 730070

Abstract: Based on the conclusion that the contribution of correlated decay of two vacancies in atoms is small,the de-excitation process of Mg1+(1s-1) hollow magnesium ions with single K-vacancy and Mg2+(1s-2) double K-vacancy were treated by applying the radiative-single Auger - double Auger cascade model(RACDA). The final-charge-state distribution(FCSD) of these hollow ions were calculated,and compared with that obtained with the radiative-single Auger cascade model(RAC). The probability of tetravalent ion production via the de-excitation of Mg1+(1s-1) obtained by RACDA model is considerable,but tetravalent ion is not produced in the by RAC model. The probability of hexavalent ion production via the de-excitation of Mg2+(1s-2) obtained by RACDA model is very large,but hexavalent ion is not produced in the RAC model.

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