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Grating Metamaterials Based on CdTe/CdMgTe Quantum Wells as Terahertz Detectors for High Magnetic Field Applications

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cris.lastimport.scopus2024-02-12T20:13:18Z
dc.abstract.enThe cyclotron and magnetoplasmon resonances were studied at 2 K in grating metamaterials fabricated on wafers with one or two modulation doped CdTe/CdMgTe quantum wells. The gratings (with the period varied between 2 μ m and 8 μ m) were prepared with an electron beam lithography either by etching or by evaporation of Au. The gratings were studied with an atomic force microscope which revealed a correlation between the depth and width of etched grooves at a constant time of etching. The sharpest resonances observed are due to excitation of magnetoplasmon in the case of Au gratings on a wafer with one quantum well. Etched samples with two quantum wells showed the strongest tuneability of magnetoplasmon resonances with the period of the grating and illumination with white light. We showed that the samples studied can be used as resonant or quasi-resonant terahertz detectors tuneable with magnetic field and white light.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorBożek, Rafał
dc.contributor.authorRudniewski, Rafał
dc.contributor.authorWróbel, Jerzy
dc.contributor.authorSzoła, Maria
dc.contributor.authorKarczewski, Grzegorz
dc.contributor.authorYavorskiy, Dmitriy
dc.contributor.authorWojtowicz, Tomasz
dc.contributor.authorKarpierz, Krzysztof
dc.contributor.authorŁusakowski, Jerzy
dc.date.accessioned2024-01-25T02:23:17Z
dc.date.available2024-01-25T02:23:17Z
dc.date.copyright2020-04-18
dc.date.issued2020
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.number8
dc.description.versionFINAL_PUBLISHED
dc.description.volume10
dc.identifier.doi10.3390/APP10082807
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/108127
dc.identifier.weblinkhttps://www.mdpi.com/2076-3417/10/8/2807/pdf
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofApplied Sciences (Switzerland)
dc.relation.pages2807-1-13
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enTHz spectroscopy
dc.subject.enmetamaterials
dc.subject.enmagnetoplasmons
dc.subject.enCdTe/CdMgTe quantum wells
dc.titleGrating Metamaterials Based on CdTe/CdMgTe Quantum Wells as Terahertz Detectors for High Magnetic Field Applications
dc.typeJournalArticle
dspace.entity.typePublication