Amorphization kinectics under swift heavy ion irradiation: a cumulative overlapping-track approach

García, G. and Rivera de Mena, Antonio and Crespillo Almenara, Miguel and Gordillo, N. and Olivares Roza, Jimena and Agullo Lopez, Fernando (2011). Amorphization kinectics under swift heavy ion irradiation: a cumulative overlapping-track approach. "Nuclear Instruments and Methods in Physics Research B", v. 269 (n. 4); pp. 492-497. ISSN 0168-583x. https://doi.org/10.1016/j.nimb.2010.12.073.

Description

Title: Amorphization kinectics under swift heavy ion irradiation: a cumulative overlapping-track approach
Author/s:
  • García, G.
  • Rivera de Mena, Antonio
  • Crespillo Almenara, Miguel
  • Gordillo, N.
  • Olivares Roza, Jimena
  • Agullo Lopez, Fernando
Item Type: Article
Título de Revista/Publicación: Nuclear Instruments and Methods in Physics Research B
Date: February 2011
ISSN: 0168-583x
Volume: 269
Subjects:
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Nuclear [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A simple illustrative physical model is presented to describe the kinetics of damage and amorphization by swiftheavyions (SHI) in LiNbO3. The model considers that every ion impact generates initially a defective region (halo) and a full amorphous core whose relative size depends on the electronic stopping power. Below a given stopping power threshold only a halo is generated. For increasing fluences the amorphized area grows monotonically via overlapping of a fixed number N of halos. In spite of its simplicity the model, which provides analytical solutions, describes many relevant features of the kinetic behaviour. In particular, it predicts approximate Avrami curves with parameters depending on stopping power in qualitative accordance with experiment that turn into Poisson laws well above the threshold value

More information

Item ID: 11404
DC Identifier: http://oa.upm.es/11404/
OAI Identifier: oai:oa.upm.es:11404
DOI: 10.1016/j.nimb.2010.12.073
Deposited by: Memoria Investigacion
Deposited on: 25 Jul 2012 11:03
Last Modified: 20 Apr 2016 19:29
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