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Electrical Conduction in 10 nm Thin Polysilicon Wires from 4 to 400 K and Their Operation for Hybrid Memory
| Content Provider | Scilit |
|---|---|
| Author | Ecoffey, Serge Bouvet, Didier Mahapatra, Santanu Reimbold, Gilles Ionescu, Adrian Mihai |
| Copyright Year | 2006 |
| Description | Journal: Japanese Journal of Applied Physics This paper reports on the experimental investigation of conduction mechanisms in gated ultra-thin polysilicon nanowires (polySiNW) over a wide range of temperature: from 4 to 400 K. Some irregular Coulomb oscillations (CO) are observed at temperatures lower than 200 K showing several periods due to the random mixture of grain sizes (5–20 nm). We report increased oscillations at intermediate range of temperatures (between 50 and 150 K) and at high drain voltages in polySiNW with a mixture of grain sizes. Monte Carlo (MC) simulations performed on an array of conductive islands connected to each other by tunnel junctions (modeling the nanograin polysilicon) validate the experimental observations and a first order theory is proposed. Finally, the V-shape (ambipolar) drain current versus gate voltage $(I_{DS}–V_{GS}$) characteristic and related hysteresis of the polySiNW is exploited for building a novel hybrid polySiNW-NMOS memory circuit cell. |
| Related Links | http://iopscience.iop.org/article/10.1143/JJAP.45.5461/pdf |
| Ending Page | 5466 |
| Page Count | 6 |
| Starting Page | 5461 |
| ISSN | 00214922 |
| e-ISSN | 13474065 |
| DOI | 10.1143/jjap.45.5461 |
| Journal | Japanese Journal of Applied Physics |
| Issue Number | 6B |
| Volume Number | 45 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2006-06-20 |
| Access Restriction | Open |
| Subject Keyword | Journal: Japanese Journal of Applied Physics Public, Environmental and Occupational Health Statistics and Probability |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy Engineering |
