Modulation of ionic conduction using polarizable surfaces
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2023
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| Subjects: | |
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| _version_ | 1866909065531097088 |
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| author | Santos, Alexandre Pereira dos Jiménez-Ángeles, Felipe Ehlen, Ali de la Cruz, Monica Olvera |
| author_facet | Santos, Alexandre Pereira dos Jiménez-Ángeles, Felipe Ehlen, Ali de la Cruz, Monica Olvera |
| contents | Hybrid ionic-electronic conductors have the potential to generate memory effects and neuronal behavior. The functionality of these mixed materials depends on ion motion through thin polarizable channels. Here, we explore different polarization models to show that the current and conductivity of electrolytes is higher when confined by conductors than by dielectrics. We find non-linear currents in both dielectrics and conductors, and we recover the known linear (Ohmic) result only in the two-dimensional limit between conductors. We show that the polarization charge location impacts electrolyte structure and transport properties. This work suggests a mechanism to induce memristor hysteresis loops using conductor-dielectric switchable materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2306_10214 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Modulation of ionic conduction using polarizable surfaces Santos, Alexandre Pereira dos Jiménez-Ángeles, Felipe Ehlen, Ali de la Cruz, Monica Olvera Soft Condensed Matter Hybrid ionic-electronic conductors have the potential to generate memory effects and neuronal behavior. The functionality of these mixed materials depends on ion motion through thin polarizable channels. Here, we explore different polarization models to show that the current and conductivity of electrolytes is higher when confined by conductors than by dielectrics. We find non-linear currents in both dielectrics and conductors, and we recover the known linear (Ohmic) result only in the two-dimensional limit between conductors. We show that the polarization charge location impacts electrolyte structure and transport properties. This work suggests a mechanism to induce memristor hysteresis loops using conductor-dielectric switchable materials. |
| title | Modulation of ionic conduction using polarizable surfaces |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2306.10214 |