dc.contributor.author | Sužiedėlis, Algirdas | |
dc.contributor.author | Ašmontas, Steponas | |
dc.contributor.author | Gradauskas, Jonas | |
dc.contributor.author | Čerškus, Aurimas | |
dc.contributor.author | Anbinderis, Maksimas | |
dc.date.accessioned | 2023-09-18T16:18:28Z | |
dc.date.available | 2023-09-18T16:18:28Z | |
dc.date.issued | 2022 | |
dc.identifier.other | (crossref_id)136882803 | |
dc.identifier.uri | https://etalpykla.vilniustech.lt/handle/123456789/113040 | |
dc.description.abstract | Hot carriers are a critical issue in modern photovoltaics and miniaturized electronics. We present a study of hot electron energy relaxation in different two-dimensional electron gas (2DEG) structures and compare the measured values with regard to the dimensionality of the semiconductor formations. Asymmetrically necked structures containing different types of AlGaAs/GaAs single quantum wells, GaAs/InGaAs layers, or bulk highly and lowly doped GaAs formations were investigated. The research was performed in the dark and under white light illumination at room temperature. Electron energy relaxation time was estimated using two models of I-V characteristics analysis applied to a structure with n-n+ junction and a model of voltage sensitivity dependence on microwave frequency. The best results were obtained using the latter model, showing that the electron energy relaxation time in a single quantum well structure (2DEG structure) is twice as long as that in the bulk semiconductor. | eng |
dc.format | PDF | |
dc.format.extent | p. 1-16 | |
dc.format.medium | tekstas / txt | |
dc.language.iso | eng | |
dc.relation.isreferencedby | Science Citation Index Expanded (Web of Science) | |
dc.relation.isreferencedby | Scopus | |
dc.relation.isreferencedby | DOAJ | |
dc.relation.isreferencedby | INSPEC | |
dc.relation.isreferencedby | J-Gate | |
dc.relation.isreferencedby | CABI (abstracts) | |
dc.rights | Laisvai prieinamas internete | |
dc.source.uri | https://www.mdpi.com/1996-1944/15/9/3224 | |
dc.source.uri | https://talpykla.elaba.lt/elaba-fedora/objects/elaba:128482250/datastreams/MAIN/content | |
dc.title | Indirect measurement of electron energy relaxation time at room temperature in two-dimensional heterostructured semiconductors | |
dc.type | Straipsnis Web of Science DB / Article in Web of Science DB | |
dcterms.accessRights | This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/) | |
dcterms.license | Creative Commons – Attribution – 4.0 International | |
dcterms.references | 40 | |
dc.type.pubtype | S1 - Straipsnis Web of Science DB / Web of Science DB article | |
dc.contributor.institution | Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras | |
dc.contributor.institution | Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras Vilniaus Gedimino technikos universitetas | |
dc.contributor.faculty | Fundamentinių mokslų fakultetas / Faculty of Fundamental Sciences | |
dc.contributor.faculty | Mechanikos fakultetas / Faculty of Mechanics | |
dc.contributor.faculty | Elektronikos fakultetas / Faculty of Electronics | |
dc.subject.researchfield | N 002 - Fizika / Physics | |
dc.subject.researchfield | T 001 - Elektros ir elektronikos inžinerija / Electrical and electronic engineering | |
dc.subject.researchfield | T 009 - Mechanikos inžinerija / Mechanical enginering | |
dc.subject.studydirection | C02 - Fizika / Physics | |
dc.subject.vgtuprioritizedfields | AE0404 - Atsinaujinanti energija / Renewable energy | |
dc.subject.ltspecializations | L102 - Energetika ir tvari aplinka / Energy and a sustainable environment | |
dc.subject.en | electron energy relaxation time | |
dc.subject.en | two-dimensional electron gas | |
dc.subject.en | quantum well | |
dc.subject.en | microwave diode | |
dc.subject.en | voltage sensitivity | |
dc.subject.en | I-V characteristic | |
dcterms.sourcetitle | Materials | |
dc.description.issue | iss. 9 | |
dc.description.volume | vol. 15 | |
dc.publisher.name | MDPI | |
dc.publisher.city | Basel | |
dc.identifier.doi | 136882803 | |
dc.identifier.doi | 000795267500001 | |
dc.identifier.doi | 10.3390/ma15093224 | |
dc.identifier.elaba | 128482250 | |