Terahertz Plasmonic Excitations in Bi2Se3 Topological Insulator

被引：0

作者：

Di Pietro, P. ^{[1
]}

Autore, M. ^{[2
,7
]}

D'Apuzzo, F. ^{[3
,8
]}

Di Gaspare, A. ^{[4
]}

Giorgianni, F. ^{[2
,7
]}

Limaj, O. ^{[5
]}

Oh, S. ^{[6
]}

Lupi, S. ^{[2
,7
]}

机构：

[1] Sincrotrone Trieste SCpA, SS 14 Km 163-5,Area Sci Pk, I-34012 Trieste, Italy

[2] Univ Rome Sapienza, Dept Phys, I-00185 Rome, Italy

[3] Univ Rome Sapienza, Dept Phys, I-00185 Rome, Italy

[4] LNF INFN, I-00044 Frascati, Italy

[5] Ecole Polytech Federale Lausanne, Inst Bioengineering, Lausanne, Switzerland

[6] State Univ New Jersey, Dept Phys & Astron, Rutgers, NJ 08854 USA

[7] INFN, I-00185 Rome, Italy

[8] IIT, Rome, Italy

来源：

2014 8TH INTERNATIONAL CONGRESS ON ADVANCED ELECTROMAGNETIC MATERIALS IN MICROWAVES AND OPTICS (METAMATERIALS) | 2014年

关键词：

GRAPHENE PLASMONICS;

D O I：

暂无

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：

Plasmons in the terahertz (THz) range have been observed in Bi2Se3 topological insulator films patterned in form of micro-structures. These plasmons have been assigned to collective excitations of massless Dirac carriers located onto the Bi2Se3 topological surfaces. Their lifetime is mainly determined by the single-particle scattering rate and results scarcely dependent on temperature as expected for topological carriers.

引用

页数：3

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