Abstract
We present a new fully self-aligned single-electron memory with a single pair of nano floating gates, made of different materials (Si and Ge). The energy barrier that prevents stored charge leakage is induced not only by quantum effects but also by the conduction-band offset that arises between Ge and Si. The dimensions and position of each floating gate are well-defined and controlled. The devices exhibit a long retention time and single-electron injection at room temperature.
Original language | English |
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Pages (from-to) | 4520-4526 |
Number of pages | 7 |
Journal | Nano Letters |
Volume | 11 |
Issue number | 11 |
DOIs | |
Publication status | Published - 9 Nov 2011 |