Abstract
Coulomb blockade effects are studied in highly doped molecular-beam-epitaxy grown silicon quantum wires. The nanometer structure of the single electron tunneling transistor (SETT) is fabricated by electron beam lithography (EBL), anisotropic reactive ion etching (RIE) and low temperature oxide deposition. An extended Coulomb blockade is observed even at T = 130 K in the I-V characteristics: while outside the blockade region a clear Coulomb staircase is visible. The zero-conductivity range is significantly affected by the applied gate voltage. In addition, oscillations of the Coulomb blockade with gate potential are observed. The nature of tunnel burners present in this wire is discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 465-468 |
| Number of pages | 4 |
| Journal | Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers |
| Volume | 38 |
| Issue number | 1 B |
| DOIs | |
| State | Published - 1999 |
| Event | Proceedings of the 1998 International Symposium on Formation, Physics and Device Application of Quantum Dot Structures, QDS-98 - Sapporo, Japan Duration: 31 May 1998 → 4 Jun 1998 |
Keywords
- BESOI
- Coulomb blockade
- Electron beam lithography
- Molecular beam epitaxy
- Silicon
- Single electron tunneling transistors
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