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Title: Designing of masks for quantum dot single electron transistor fabrication using E-beam nanolithography
Authors: Uda, Hashim
Sutikno, Madnasri
Zul Azhar, Zahid Jamal
Keywords: Mask design;Nano patterning;Proximity effect;Resist dot;SEM based EBL;Transistors;Quantum dot;Single electron transistor
Issue Date: 2007
Publisher: Nano Science and Technology Institute
Citation: Technical Proceedings 4, p. 434-437
Series/Report no.: Technical Proceedings of 2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007
Abstract: Quantum dot single electron transistor (QD SET) is able to be fabricated through a joint technique of e-beam lithography (EBL), pattern dependent oxidation (PADOX) and high density plasma etching. In this research, we have fabricated amount of masks for preliminary works in preparation of single electron transistor design. In detail, one of them is mask for doped area separator and others are for formation of source-QD-drain, poly-Si gate, point contact and metal pad. They all are designed using GDSII Editor software offline and then exposed using SEM based EBL. In this paper, we demonstrate all of patterned masks and their nanostructures of SEM and atomic force microscopy (AFM). Shape and dimension biases of schematics and SEM images are found where it is accused by proximity effect, design dimension and inaccurately plane of focus.
Description: Link to publisher's homepage at http://www.nsti.org/procs
URI: http://www.nsti.org/Nanotech2007/
Appears in Collections:School of Microelectronic Engineering (Articles)
Zul Azhar Zahid Jamal, Dato' Prof. Dr.
Uda Hashim, Prof. Dr.

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