Applicability of Sc2O3 versus Al2O3 in MIM rectifiers for IR rectenna

Almalki, S. and Tekin, Serdar B. and Sedghi, N. and Hall, S. and Mitrovic, I.Z. (2021) Applicability of Sc2O3 versus Al2O3 in MIM rectifiers for IR rectenna. Solid-State Electronics, 184. ISSN 0038-1101

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Abstract

Impedance matching between the terahertz antenna and ultra-fast Metal-Insulator-Metal (MIM) diode is a crucial issue in realizing rectenna technology for harvesting infrared (IR) energy spectrum. In this paper, scandium oxide (Sc 2O 3)-based MIM diodes were fabricated using magnetron sputtering and their rectification performance compared to state-of-the-art Au/Al 2O 3/Au diodes. The fabricated Al/Sc 2O 3/Al diode has exhibited around two orders of magnitude lower zero-bias dynamic resistance (R D0 = 956 kΩ) and high zero-bias responsivity (β 0 = 1 A/W) in advance to Au/Al 2O 3/Au diode. The results point to applicability of scandium oxide in MIM rectifiers for IR rectenna.

Item Type:
Journal Article
Journal or Publication Title:
Solid-State Electronics
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3104
Subjects:
ID Code:
183451
Deposited By:
Deposited On:
12 Jan 2023 15:15
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Jan 2023 15:15