Tuning and Persistent Switching of Graphene Plasmons on a

Jul 16, 2015 - Surface plasmons in suspended graphene: launching with in-plane gold nanoantenna and propagation properties. D. Legrand , L. O. Le Cunf...
0 downloads 0 Views 5MB Size
Page 1 of 25

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Nano Letters

Tuning and persistent switching of graphene plasmons on a ferroelectric substrate Michael D. Goldflam†*, Guang-Xin Ni†,‡,$, Kirk W. Post†, Zhe Fei†, Yuting Yeo$, Jun You Tan$, Aleksandr S. Rodin†‡, Brian C. Chapler†, Barbaros Özyilmaz‡,$, Antonio H. Castro Neto‡, Michael M. Fogler†, D. N. Basov† †

Physics Department, University of California, San Diego, La Jolla, CA 92093, USA



Centre for Advanced 2D Materials and Graphene Research Centre, National University of

Singapore, Singapore 117546 $

Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542

ACS Paragon Plus Environment

1

Nano Letters

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Page 2 of 25

ABSTRACT

We characterized plasmon propagation in graphene on thin films of the high-κ dielectric PbZr0.3Ti0.7O3 (PZT). Significant modulation (up to ±75%) of the plasmon wavelength was achieved with application of ultra-small voltages (