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| Hauptseite > Publikationsdatenbank > Understanding the conductive channel evolution in Na:WO $_{3−x}$ -based planar devices > print |
| Hauptseite > Publikationsdatenbank > Understanding the conductive channel evolution in Na:WO $_{3−x}$ -based planar devices > print |
| 001 | 201478 | ||
| 005 | 20210129215802.0 | ||
| 024 | 7 | _ | |a 10.1039/C4NR07545E |2 doi |
| 024 | 7 | _ | |a 2040-3364 |2 ISSN |
| 024 | 7 | _ | |a 2040-3372 |2 ISSN |
| 024 | 7 | _ | |a WOS:000351934700015 |2 WOS |
| 037 | _ | _ | |a FZJ-2015-03773 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 600 |
| 100 | 1 | _ | |a Shang, Dashan |0 P:(DE-HGF)0 |b 0 |e Corresponding Author |
| 245 | _ | _ | |a Understanding the conductive channel evolution in Na:WO $_{3−x}$ -based planar devices |
| 260 | _ | _ | |a Cambridge |c 2015 |b RSC Publ. |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1435136104_21687 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 520 | _ | _ | |a An ion migration process in a solid electrolyte is important for ion-based functional devices, such as fuel cells, batteries, electrochromics, gas sensors, and resistive switching systems. In this study, a planar sandwich structure is prepared by depositing tungsten oxide (WO3−x) films on a soda-lime glass substrate, from which Na+ diffuses into the WO3−x films during the deposition. The entire process of Na+ migration driven by an alternating electric field is visualized in the Na-doped WO3−x films in the form of conductive channel by in situ optical imaging combined with infrared spectroscopy and near-field imaging techniques. A reversible change of geometry between a parabolic and a bar channel is observed with the resistance change of the devices. The peculiar channel evolution is interpreted by a thermal-stress-induced mechanical deformation of the films and an asymmetric Na+ mobility between the parabolic and the bar channels. These results exemplify a typical ion migration process driven by an alternating electric field in a solid electrolyte with a low ion mobility and are expected to be beneficial to improve the controllability of the ion migration in ion-based functional devices, such as resistive switching devices. |
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| 700 | 1 | _ | |a Carria, Egidio |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Sun, Jirong |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Shen, Baogen |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Taubner, Thomas |0 P:(DE-HGF)0 |b 6 |
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| 773 | _ | _ | |a 10.1039/C4NR07545E |g Vol. 7, no. 14, p. 6023 - 6030 |0 PERI:(DE-600)2515664-0 |n 14 |p 6023 - 6030 |t Nanoscale |v 7 |y 2015 |x 2040-3372 |
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