THz Aperture Near-Field Spectroscopy of Dirac Plasmons in Topological Insulator Bi2Se3

被引：0
|
作者：
Hale, Lucy L. [1 ]
Wang, Zentianye [2 ]
Law, Stephanie [2 ]
Brener, Igal [3 ,4 ]
Mitrofanov, Oleg [1 ]
机构：
[1] UCL, Elect & Elect Engn, London WC1E 7JE, England
[2] Univ Delaware, Dept Mat Sci & Engn, Newark, DE 19716 USA
[3] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87123 USA
[4] Sandia Natl Labs, Albuquerque, NM 87123 USA
来源：
2022 47TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER AND TERAHERTZ WAVES (IRMMW-THZ 2022) | 2022年
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1109/IRMMW-THz50927.2022.9895794
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We map the dispersion relation in ribbon gratings of topological insulator Bi2Se3 using both far-field and aperture-type near-field THz spectroscopy methods. The results are consistent with theoretical predictions of coupling between the optical phonon and massless Dirac plasmons.
引用
收藏
页数：2
相关论文
共 50 条
  • [21] Near-Field Imaging of Surface Plasmons from the Bulk and Surface State of Topological Insulator Bi2Te2Se
    Venuthurumilli, Prabhu K.
    Wen, Xiaolei
    Iyer, Vasudevan
    Chen, Yong P.
    Xu, Xianfan
    ACS PHOTONICS, 2019, 6 (10) : 2492 - 2498
  • [22] Strain-induced Dirac state shift in topological insulator Bi2Se3 nanowires
    Schindler, Clemens
    Wiegand, Christoph
    Sichau, Jonas
    Tiemann, Lars
    Nielsch, Kornelius
    Zierold, Robert
    Blick, Robert H.
    APPLIED PHYSICS LETTERS, 2017, 111 (17)
  • [23] Direct Optical Coupling to an Unoccupied Dirac Surface State in the Topological Insulator Bi2Se3
    Sobota, J. A.
    Yang, S. -L.
    Kemper, A. F.
    Lee, J. J.
    Schmitt, F. T.
    Li, W.
    Moore, R. G.
    Analytis, J. G.
    Fisher, I. R.
    Kirchmann, P. S.
    Devereaux, T. P.
    Shen, Z. -X.
    PHYSICAL REVIEW LETTERS, 2013, 111 (13)
  • [24] Correlated plasmons in the topological insulator Bi2Se3 induced by long-range electron correlations
    Thomas J. Whitcher
    Mathieu G. Silly
    Ming Yang
    Pranab Kumar Das
    David Peyrot
    Xiao Chi
    Mahmoud Eddrief
    Jisoo Moon
    Seongshik Oh
    Antonio H. Castro-Neto
    Mark B. H. Breese
    Andrew T. S. Wee
    Fabien Silly
    Andrivo Rusydi
    NPG Asia Materials, 2020, 12
  • [25] Wedge Dyakonov Waves and Dyakonov Plasmons in Topological Insulator Bi2Se3 Probed by Electron Beams
    Talebi, Nahid
    Ozsoy-Keskinbora, Cigdem
    Benia, Hadj M.
    Kern, Klaus
    Koch, Christoph T.
    van Aken, Peter A.
    ACS NANO, 2016, 10 (07) : 6988 - 6994
  • [26] Correlated plasmons in the topological insulator Bi2Se3 induced by long-range electron correlations
    Whitcher, Thomas J.
    Silly, Mathieu G.
    Yang, Ming
    Das, Pranab Kumar
    Peyrot, David
    Chi, Xiao
    Eddrief, Mahmoud
    Moon, Jisoo
    Oh, Seongshik
    Castro-Neto, Antonio H.
    Breese, Mark B. H.
    Wee, Andrew T. S.
    Silly, Fabien
    Rusydi, Andrivo
    NPG ASIA MATERIALS, 2020, 12 (01)
  • [27] Surface vibrational modes of the topological insulator Bi2Se3 observed by Raman spectroscopy
    Kung, H. -H.
    Salehi, M.
    Boulares, I.
    Kemper, A. F.
    Koirala, N.
    Brahlek, M.
    Lostak, P.
    Uher, C.
    Merlin, R.
    Wang, X.
    Cheong, S. -W.
    Oh, S.
    Blumberg, G.
    PHYSICAL REVIEW B, 2017, 95 (24)
  • [28] Photoemission Spectroscopy of Magnetic and Nonmagnetic Impurities on the Surface of the Bi2Se3 Topological Insulator
    Valla, T.
    Pan, Z. -H.
    Gardner, D.
    Lee, Y. S.
    Chu, S.
    PHYSICAL REVIEW LETTERS, 2012, 108 (11)
  • [29] Surface properties of topological insulator Bi2Se3 nanoparticles separated by impedance spectroscopy
    Choi, Dong Min
    Lee, Kyu Won
    Jeon, Gi Wan
    Kim, Do Wan
    Lee, Cheol Eui
    APPLIED PHYSICS LETTERS, 2017, 110 (25)
  • [30] Impedance spectroscopy study of mixed Bi2Se3 topological insulator-magnetic insulator nanoparticles
    Choi, Dong Min
    Lee, Kyu Won
    Lee, Yeo Jin
    Lee, Cheol Eui
    PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2020, 124 (124):
12345