Terahertz shielding properties of aero-GaN | Zendy

Tudor Braniste | Zendy; Sergey S. Zhukov | Zendy; Mircea Dragoman | Zendy; Liudmila N. Alyabyeva | Zendy; Vladimir Ciobanu | Zendy; Martino Aldrigo | Zendy; Daniela Dragoman | Zendy; S. Iordănescu | Zendy; Sindu Shree | Zendy; Simion Raevschi | Zendy; Rainer Adelung | Zendy; B. P. Gorshunov | Zendy; I. M. Tiginyanu | Zendy

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Terahertz shielding properties of aero-GaN

Author(s) -

Tudor Braniste,

Sergey S. Zhukov,

Mircea Dragoman,

Liudmila N. Alyabyeva,

Vladimir Ciobanu,

Martino Aldrigo,

Daniela Dragoman,

S. Iordănescu,

Sindu Shree,

Simion Raevschi,

Rainer Adelung,

B. P. Gorshunov,

I. M. Tiginyanu

Publication year - 2019

Publication title -

semiconductor science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.712

H-Index - 112

eISSN - 1361-6641

pISSN - 0268-1242

DOI - 10.1088/1361-6641/ab4e58

Subject(s) - electromagnetic shielding , terahertz radiation , materials science , refractive index , dielectric , permittivity , optoelectronics , semiconductor , electrical impedance , bandwidth (computing) , shielding effect , optics , composite material , electrical engineering , physics , telecommunications , computer science , engineering

The electrodynamic properties of the first aero-material based on compound semiconductor, namely of Aero-GaN, in the terahertz frequency region are experimentally investigated. Spectra of complex dielectric permittivity, refractive index, surface impedance are measured at frequencies 4–100 cm −1 and in the temperature interval 4–300 K. The shielding properties are found based on experimental data. The aero-material shows excellent shielding effectiveness in the frequency range from 0.1 to 1.3 THz, exceeding 40 dB in a huge frequency bandwidth, which is of high interest for industrial applications. These results place the aero-GaN among the best THz shielding materials known today.

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