Silicon nanocrystals-based electroluminescent resistive switching device

In the last few years, the emergence of studies concerning the resistive switching (RS) phenomenon has resulted in the finding of a large amount of materials being capable of acting as an active layer in such devices, i.e., the layer where the change in resistance takes place. Whereas the normal ope...

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Bibliographic Details
Published in:Journal of applied physics 2019-10, Vol.126 (14)
Main Authors: Frieiro, J. L., López-Vidrier, J., Blázquez, O., Yazıcıoğlu, D., Gutsch, S., Valenta, J., Hernández, S., Zacharias, M., Garrido, B.
Format: Article
Language:English
Subjects:
Applied physics
Díodes electroluminescents
Electroluminescence
Integrated circuits
Light emitting diodes
Material properties
Multilayers
Nanocristalls
Nanocrystals
Optical properties
Photonics
Silici
Silicon
Switching
Zinc oxide
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Summary:In the last few years, the emergence of studies concerning the resistive switching (RS) phenomenon has resulted in the finding of a large amount of materials being capable of acting as an active layer in such devices, i.e., the layer where the change in resistance takes place. Whereas the normal operation consists of the electrical readout of the modified resistance state of the device after electrical writing, electro-photonic approaches seek the involvement of light in these devices, be it either for the active Set or Reset operations or the readout. We propose in this work silicon nanocrystal multilayers (Si NC MLs) as an active material for being used in RS devices, taking advantage of their outstanding optical properties. The resistance states of Si NC MLs were obtained by electrical excitation, whose readout is carried out by electrical and electro-optical means, thanks to a distinguishable electroluminescence emission under each state. To achieve this, we report on an adequate design that combines both the Si NC MLs with ZnO as a transparent conductive oxide, whose material properties ensure the device RS performance while allowing the electro-optical characterization. Overall, such an occurrence states the demonstration of a Si NCs-based electroluminescent RS device, which paves the way for their future integration into photonic integrated circuits.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.5119299