Radiation enhanced diffusion of B in crystalline Ge

被引:5
作者
Bruno, E. [1 ,2 ]
Mirabella, S. [1 ,2 ]
Scapellato, G. [1 ,2 ]
Impellizzeri, G. [1 ,2 ]
Terrasi, A. [1 ,2 ]
Priolo, F. [1 ,2 ]
Napolitani, E. [3 ,4 ]
De Salvador, D. [3 ,4 ]
Mastromatteo, M. [3 ,4 ]
Carnera, A. [3 ,4 ]
机构
[1] Univ Catania, MATIS, CNR, INFM, I-95123 Catania, Italy
[2] Univ Catania, Dipartimento Fis & Astron, I-95123 Catania, Italy
[3] Univ Padua, MATIS, CNR, INFM, I-35131 Padua, Italy
[4] Univ Padua, Dipartimento Fis, I-35131 Padua, Italy
关键词
Germanium; Boron; Diffusion; Ion implantation; Point-defects; BORON; MECHANISMS; GERMANIUM; SILICON; SI;
D O I
10.1016/j.tsf.2009.09.173
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this work we propose an alternative methodology to study B diffusion in crystalline Ge We enhance B diffusion by means of implants in such a way to increase the point-defects distribution through the sample, well above the equilibrium value A comparison between B diffusion Occurring tinder implantation with different ions or after post-implantation annealing allowed to discern any possible role of ionization effects on B diffusion Indeed, B diffusion is demonstrated to Occur through a point-defect-mediated mechanism. The diffusion mechanism is hence discussed These results are a key point for a full comprehension of the B diffusion in Ge. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码:2386 / 2389
页数:4
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