Bibliographic Details
| Title: |
Macroscopic Ionic Flow in a Superionic Conductor Na+ β-Alumina Driven by Single-Cycle Terahertz Pulses. |
| Authors: |
Yasuo Minami1,2 minami@tokushima-u.ac.jp, Benjamin Ofori-Okai3, Sivarajah, Prasahnt3, Ikufumi Katayama2, Jun Takeda2, Nelson, Keith A.3, Suemoto, Tohru4 |
| Source: |
Physical Review Letters. 4/10/2020, Vol. 124 Issue 14, p1-1. 1p. |
| Subject Terms: |
*SUPERIONIC conductors, *ION flow dynamics, *ELECTRONIC equipment, *COMPUTER storage devices, *STORAGE batteries |
| Abstract: |
Ionic motion significantly contributes to conductivity in devices such as memory, switches, and rechargeable batteries. In our work, we experimentally demonstrate that intense terahertz electric-field transients can be used to manipulate ions in a superionic conductor, namely Na+ β-alumina. The cations trapped in the local potential minima are accelerated using single-cycle terahertz pulses, thereby inducing a macroscopic current flow on a subpicosecond timescale. Our results clearly show that single-cycle terahertz pulses can be used to significantly modulate the nature of superionic conductors and could possibly serve as a basic tool for application in future electronic devices. [ABSTRACT FROM AUTHOR] |
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| Database: |
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