Improved electrical parameter of graphene in Si/SiO2/Al2O3/graphene heterostructure for THz modulation
We proposed the extraction of necessary electrical parameters of graphene (Gr) on Si/SiO _2 /Gr and Si/SiO _2 /Al _2 O _3 /Gr heterostructure THz modulators using the THz measurement technique. The obtained average THz absorption is 24.5% more on Si/SiO _2 /Al _2 O _3 /Gr as compared to the Gr on Si...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
IOP Publishing
2022-01-01
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Series: | Materials Research Express |
Subjects: | |
Online Access: | https://doi.org/10.1088/2053-1591/ac9e43 |