The Impact of the Discreteness of Low-fluence Ion Beam Processing on the Spatial Architecture of GaN Nanostructures Fabricated by Surface Charge Lithography
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538.9 (350)
Fizica materiei condensate. Fizica solidului (349)
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TIGINYANU, Ion, VOLCIUC, Olesea, STEVENS-KALCEFF, Marion A., POPA, Veaceslav, GUTOWSKI, Jurgen, WILLE, Sebastian, ADELUNG, Rainer, FOLL, Helmut. The Impact of the Discreteness of Low-fluence Ion Beam Processing on the Spatial Architecture of GaN Nanostructures Fabricated by Surface Charge Lithography. In: Электронная обработка материалов, 2013, nr. 1(49), pp. 1-3. ISSN 0013-5739.
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Электронная обработка материалов
Numărul 1(49) / 2013 / ISSN 0013-5739 /ISSNe 2345-1718

The Impact of the Discreteness of Low-fluence Ion Beam Processing on the Spatial Architecture of GaN Nanostructures Fabricated by Surface Charge Lithography
CZU: 538.9

Pag. 1-3

Tiginyanu Ion1, Volciuc Olesea2, Stevens-Kalceff Marion A.3, Popa Veaceslav4, Gutowski Jurgen3, Wille Sebastian5, Adelung Rainer5, Foll Helmut5
 
1 Institute of the Electronic Engineering and Nanotechnologies "D. Ghitu" of the Academy of Sciences of Moldova,
2 University of Bremen,
3 University of New South Wales,
4 Technical University of Moldova,
5 Institute for Material Science, Christian-Albrechts-University of Kiel
 
 
Disponibil în IBN: 13 decembrie 2015


Rezumat

We show that the descrete nature of ion beam processing used as a component in the approach of surface charge lithography leads to spatial modulation of the edges of the GaN nanostructures such as nanobelts and nanoperforated membranes. According to the performed Monte Carlo simulations, the modulation of the nanostructure edges is caused by the stochastic spatial distribution of the radiation defects generated by the impacting ions and related recoils. The obtained results pave the way for direct visualization of the networks of radiation defects induced by individual ions impacting a solidstate material.

Показано, что дискретная природа ионно-лучевой обработки, использованной в методе литографии поверхностного заряда, приводит к пространственной модуляции краев наноструктур GaN, таких как наноремни и наноперфорированные мембранны. Согласно расчетов по методу Монте-Карло, модуляция краев наноструктур вызвана стохастическим пространственным распределением радиационных дефектов. Полученные результаты указывают на путь визуализации сети радиационных дефектов, генерируемыми отдельными имплантируемыми ионами.