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EnglishExperimental observations of peculiar time-dependent charge transport phenomena, such as slow conduc- tivity relaxation, nonergodicity, and simple aging, are reported here for mesoporous silicon at room tempera- ture. These effects are discussed on the basis of the strong disorder in the nanocrystalline silicon network constituting the material. Taking into account various independent results reported in literature, the authors suggest that the observed behavior may reflect nonequilibrium glassy dynamics due to Anderson localization and Coulomb interactions.
http://hdl.handle.net/11696/32530| Titolo: | Slow conductivity relaxation and simple aging in nanostructured mesoporous silicon at room temperature |
| Autori interni: | BOARINO, LUCA AMATO, GIAMPIERO |
| Data di pubblicazione: | 2007 |
| Rivista: | PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS |
| Abstract: | Experimental observations of peculiar time-dependent charge transport phenomena, such as slow conduc- tivity relaxation, nonergodicity, and simple aging, are reported here for mesoporous silicon at room tempera- ture. These effects are discussed on the basis of the strong disorder in the nanocrystalline silicon network constituting the material. Taking into account various independent results reported in literature, the authors suggest that the observed behavior may reflect nonequilibrium glassy dynamics due to Anderson localization and Coulomb interactions. |
| Handle: | http://hdl.handle.net/11696/32530 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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| PhysRevB_75_165205.pdf | N/A | Non specificato | Administrator |
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