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Title: Comprehensive modeling of ion-implant amorphization in silicon
Authors: Mok, K.R.C.
Jaraiz, M.
Martin-Bragado, I.
Rubio, J.E.
Castrillo, P.
Pinacho, R.
Srinivasan, M.P. 
Benistant, F.
Keywords: Amorphization
Amorphous pockets
Ion-implant simulation
Issue Date: 5-Dec-2005
Source: Mok, K.R.C., Jaraiz, M., Martin-Bragado, I., Rubio, J.E., Castrillo, P., Pinacho, R., Srinivasan, M.P., Benistant, F. (2005-12-05). Comprehensive modeling of ion-implant amorphization in silicon. Materials Science and Engineering B: Solid-State Materials for Advanced Technology 124-125 (SUPPL.) : 383-385. ScholarBank@NUS Repository.
Abstract: A physically based model has been developed to simulate the ion-implant induced damage accumulation up to amorphization in silicon. Based on damage structures known as amorphous pockets (AP), which are three-dimensional, irregularly shaped agglomerates of interstitials (I) and vacancies (V) surrounded by crystalline silicon, the model is able to reproduce a wide range of experimental observations of damage accumulation and amorphization with interdependent implantation parameters. Instead of recrystallizing the I's and V's instantaneously, the recrystallization rate of an AP containing nI and mV is a function of its effective size, defined as min(n, m), irrespective of its internal spatial configuration. The parameters used in the model were calibrated using the experimental silicon amorphous-crystalline transition temperature as a function of dose rate for C, Si, and Ge. The model is able to show the superlinear damage build-up with dose, the extent of amorphous layer and the superadditivity effect of polyatomic ions. © 2005 Elsevier B.V. All rights reserved.
Source Title: Materials Science and Engineering B: Solid-State Materials for Advanced Technology
ISSN: 09215107
DOI: 10.1016/j.mseb.2005.08.026
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