Multiple threshold potentials in nanofluidic pores with negative differential resistance
[EN] Negative differential resistance (NDR) phenomena are characterized by a decrease in the electrical current caused by an increase in the applied voltage beyond a threshold value. They are of fundamental interest for nanofluidic sensing and actuating because small changes around the threshold vol...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2025 |
| País: | España |
| Institución: | Universitat Politècnica de València (UPV) |
| Repositorio: | RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia |
| Idioma: | inglés |
| OAI Identifier: | oai:riunet.upv.es:10251/225324 |
| Acceso en línea: | https://riunet.upv.es/handle/10251/225324 |
| Access Level: | acceso embargado |
| Palabra clave: | Nanopores Negative differential resistance Precipitation Multiple threshold potentials Logical functions |
| Sumario: | [EN] Negative differential resistance (NDR) phenomena are characterized by a decrease in the electrical current caused by an increase in the applied voltage beyond a threshold value. They are of fundamental interest for nanofluidic sensing and actuating because small changes around the threshold voltage can be amplified under NDR conditions. We have considered here precipitation-induced NDR effects in nanopores bathed in aqueous electrolyte solutions. In the case of multipore membranes, different NDR regions with on and off conductances appear due to distinct threshold potentials. This phenomenon should be of interest for nanofluidic multiple-state memories and multivalued input/output functionalities. As a proof of concept, we implement Boolean (XOR) and reversible (Feynman) logical functions using all-electrical inputs and outputs signals (applied voltage and current) in an electrochemical cell. |
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