教師資料查詢 | 類別: 期刊論文 | 教師: 彭維鋒 Pong, Way-faung (瀏覽個人網頁)

標題:Helicity-dependent terahertz emission spectroscopy of topological insulator Sb2Te3 thin films
學年106
學期1
出版(發表)日期2017/11/06
作品名稱Helicity-dependent terahertz emission spectroscopy of topological insulator Sb2Te3 thin films
作品名稱(其他語言)
著者Tu, C.-M.; Chen, Y.-C.; Huang, P.; Chuang, P.-Y.; Lin, M.-Y.; Cheng, C.-M.; Lin, J.-Y.; Juang, J.-Y.; Wu, K.-H.; Huang, J.-C.A.; Pong, W.-F.; Kobayashi, T.; Luo, C.-W.
單位
出版者
著錄名稱、卷期、頁數Physical Review B-Condensed Matter 96(19), p.195407
摘要We report on helicity-dependent terahertz emissions that originate from the helicity-dependent photocurrents in topological insulator
S
b
2
T
e
3
thin films due to ultrafast optical excitation. The polarity of the emitted terahertz radiation is controlled by both the incident angle and the helicity of optical pulses. Using an unprecedented decomposition-recombination procedure in the time domain, the signals of the Dirac fermions are fully separated from bulk contributions. These results provide insights into the optical coupling of topological surface states and open up opportunities for applying helicity-dependent terahertz emission spectroscopy in spintronics.
關鍵字
語言英文(美國)
ISSN
期刊性質國外
收錄於SCI;
產學合作
通訊作者
審稿制度
國別美國
公開徵稿
出版型式,電子版,紙本
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