| 1. Identity statement | ||||
| Reference Type | Conference Paper (Conference Proceedings) | |||
| Site | mtc-m21c.sid.inpe.br | |||
| Holder Code | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S | |||
| Identifier | 8JMKD3MGP3W34R/43L92PB | |||
| Repository | sid.inpe.br/mtc-m21c/2020/11.23.11.03 | |||
| Metadata Repository | sid.inpe.br/mtc-m21c/2020/11.23.11.03.38 | |||
| Metadata Last Update | 2022:01.04.01.35.38 (UTC) administrator | |||
| Secondary Key | INPE--PRE/ | |||
| Citation Key | CostaFoBoPeAbSoRa:2020:ShHaOs | |||
| Title | Shubnikov-de Haas Oscillations p-type PbTe Quantum Wells under illumination  | |||
| Year | 2020 | |||
| Access Date | 2024, May 18 | |||
| Secondary Type | PRE CN | |||
| 2. Context | ||||
| Author | 1 Costa, I. F. 2 Fonseca, L. M. B. da 3 Bolagños, K. 4 Peres, M. L. 5 Abramof, Eduardo 6 Soares, A. W. 7 Rappl, Paulo Henrique de Oliveira | |||
| Resume Identifier | 1 2 3 4 5 8JMKD3MGP5W/3C9JGUH 6 7 8JMKD3MGP5W/3C9JJ37 | |||
| Group | 1 2 3 4 5 LABAS-COCTE-INPE-MCTIC-GOV-BR 6 7 LABAS-COCTE-INPE-MCTIC-GOV-BR | |||
| Affiliation | 1 Universidade Federal de Itajubá (UNIFEI) 2 Universidade Federal de Itajubá (UNIFEI) 3 Universidade Federal de Itajubá (UNIFEI) 4 Universidade Federal de Itajubá (UNIFEI) 5 Instituto Nacional de Pesquisas Espaciais (INPE) 6 Universidade Federal de Itajubá (UNIFEI) 7 Instituto Nacional de Pesquisas Espaciais (INPE) | |||
| Author e-Mail Address | 1 2 3 4 5 eduardo.abramof@inpe.br 6 7 paulo.rappl@inpe.br | |||
| Conference Name | Encontro de Outono Sociedade Brasileira de Física | |||
| Conference Location | Online | |||
| Date | 23 a 26 nov. | |||
| History (UTC) | 2020-11-23 11:03:38 :: simone -> administrator :: 2022-01-04 01:35:38 :: administrator -> simone :: 2020 | |||
| 3. Content and structure | ||||
| Is the master or a copy? | is the master | |||
| Content Stage | completed | |||
| Transferable | 1 | |||
| Content Type | External Contribution | |||
| Abstract | The lead telluride is a narrow gap semiconductor which the Fermi surface is composed by four equivalent ellipsoids of revolution with their axis along the <111> direction, responsible for its strong anisotropic of electronic masses. Those properties play an important role in the electronic transport in presence of the magnetic field [1]. Also, the narrow gap of PbTe allows this material to be used in the fabrication of infrared devices [2]. In this work, we present magnetoresistance (MR) measurements in p-type PbTe quantum wells (QW) with 8nm and 10nm width for magnetic field up to 9 T and for temperatures varying from 1.9 K to 50 K. Samples were grown using the molecular bean epitaxial technique providing high quality samples with high mobility. From our experimental curves we could observed very clear Shubnikov-de Haas Oscillations for the second-derivative of longitudinal component 𝑅𝑥𝑥 and transversal 𝑅𝑥𝑦 of the electrical resistance. The analysis of the experimental curves using Fast Fourier Transform (FFT) allowed us to obtain the cyclotronic masses and the carrier concentrations. Also, from Hall measurements, it was possible to compare the transport parameters obtained from the MR curves. By deriving the energy levels in the QW´s and calculating the Fermi energy, we found that only the first longitudinal valley is occupied. We also observed a splitting in the FFT curves that are not related to other valley contributions. We suggest that the Rashba effect is responsible for this effect due to the splitting of the Fermi surface energy [3]. | |||
| Area | FISMAT | |||
| Arrangement | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > LABAS > Shubnikov-de Haas Oscillations... | |||
| doc Directory Content | there are no files | |||
| source Directory Content | there are no files | |||
| agreement Directory Content |
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| 4. Conditions of access and use | ||||
| User Group | simone | |||
| Visibility | shown | |||
| Update Permission | not transferred | |||
| 5. Allied materials | ||||
| Next Higher Units | 8JMKD3MGPCW/3ESR3H2 | |||
| Host Collection | urlib.net/www/2017/11.22.19.04 | |||
| 6. Notes | ||||
| Empty Fields | archivingpolicy archivist booktitle callnumber copyholder copyright creatorhistory descriptionlevel dissemination doi e-mailaddress edition editor format isbn issn keywords label language lineage mark mirrorrepository nextedition notes numberoffiles numberofvolumes orcid organization pages parameterlist parentrepositories previousedition previouslowerunit progress project publisher publisheraddress readergroup readpermission rightsholder schedulinginformation secondarydate secondarymark serieseditor session shorttitle size sponsor subject targetfile tertiarymark tertiarytype type url versiontype volume | |||
| 7. Description control | ||||
| e-Mail (login) | simone | |||
| update | ||||