| Full text | |
| Author(s): Show less - |
Maier, P.
;
Hartmann, F.
;
Dias, M. Rebello Sousa
;
Emmerling, M.
;
Schneider, C.
;
Castelano, L. K.
;
Kamp, M.
;
Marques, G. E.
;
Lopez-Richard, V.
;
Worschech, L.
;
Hoefling, S.
Total Authors: 11
|
| Document type: | Journal article |
| Source: | Applied Physics Letters; v. 109, n. 2 JUL 11 2016. |
| Web of Science Citations: | 8 |
| Abstract | |
We report the optical control of localized charge on positioned quantum dots in an electro-photo-sensitive memristor. Interband absorption processes in the quantum dot barrier matrix lead to photo-generated electron-hole-pairs that, depending on the applied bias voltage, charge or discharge the quantum dots and hence decrease or increase the conductance. Wavelength-dependent conductance control is observed by illumination with red and infrared light, which leads to charging via interband and discharging via intraband absorption. The presented memristor enables optical conductance control and may thus be considered for sensory applications in artificial neural networks as light-sensitive synapses or optically tunable memories. Published by AIP Publishing. (AU) | |
| FAPESP's process: | 14/02112-3 - Optical and transport phenomena in nano-devices |
| Grantee: | Victor Lopez Richard |
| Support Opportunities: | Regular Research Grants |
| FAPESP's process: | 15/10765-0 - 17th International Conference on II-VI Compounds and Related Materials |
| Grantee: | Victor Lopez Richard |
| Support Opportunities: | Research Grants - Meeting - Abroad |