期刊論文
| 學年 | 107 |
|---|---|
| 學期 | 2 |
| 出版（發表）日期 | 2019-06-03 |
| 作品名稱 | Employing graphene acoustoelectric switch by dual surface acoustic wave transducers |
| 作品名稱（其他語言） | |
| 著者 | Ching-Ping Lee; Yu-Peng Hong; Man-Ting Shen; Chiu-Chun Tang; D. C. Ling; Yung-Fu Chen; Cen-Shawn Wu; Jeng-Chung Chen |
| 單位 | |
| 出版者 | |
| 著錄名稱、卷期、頁數 | Scientific Reports 9: 8235, p.1-9 |
| 摘要 | We implement a logic switch by using a graphene acoustoelectric transducer at room temperature. We operate two pairs of inter-digital transducers (IDTs) to launch surface acoustic waves (SAWs) on a LiNbO3 substrate and utilize graphene as a channel material to sustain acoustoelectric current Iae induced by SAWs. By cooperatively tuning the input power on the IDTs, we can manipulate the propagation direction of Iae such that the measured Iae can be deliberately controlled to be positive, negative, or even zero. We define the zero-crossing Iae as Ioffae, and then demonstrate that Iae can be switched with a ratio Ionae/Ioffae∼104 at a rate up to few tens kHz. Our device with an accessible operation scheme provides a means to convert incoming acoustic waves modulated by digitized data sequence onto electric signals with frequency band suitable for digital audio modulation. Consequently, it could potentially open a route for developing graphene-based logic devices in large-scale integration electronics. |
| 關鍵字 | Graphene;Nanoscale device |
| 語言 | en |
| ISSN | 2045-2322 |
| 期刊性質 | 國外 |
| 收錄於 | SCI |
| 產學合作 | |
| 通訊作者 | Ching-Ping Lee |
| 審稿制度 | 是 |
| 國別 | TWN |
| 公開徵稿 | |
| 出版型式 | ,電子版,紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/116821 ) |