Deutsch
 
Hilfe Datenschutzhinweis Impressum
  DetailsucheBrowse

Datensatz

DATENSATZ AKTIONENEXPORT
  Non-linear Shubnikov-de Haas oscillations in the self-heating regime

Huang, X., Guo, C., Putzke, C., Diaz, J., Manna, K., Shekhar, C., et al. (2021). Non-linear Shubnikov-de Haas oscillations in the self-heating regime. Applied Physics Letters, 119(22): 224101. doi:10.1063/5.0071939.

Item is

Basisdaten

einblenden: ausblenden:
Genre: Zeitschriftenartikel

Externe Referenzen

einblenden:
ausblenden:
externe Referenz:
https://doi.org/10.1063/5.0071939 (Verlagsversion)
Beschreibung:
-
OA-Status:
Keine Angabe

Urheber

einblenden:
ausblenden:
 Urheber:
Huang, Xiangwei1, Autor
Guo, Chunyu1, Autor
Putzke, Carsten1, Autor
Diaz, Jonas1, Autor
Manna, Kaustuv1, Autor
Shekhar, Chandra1, Autor
Felser, Claudia1, Autor
Moll, Philip J. W.1, Autor
Affiliations:
1external, ou_persistent22              

Inhalt

einblenden:
ausblenden:
Schlagwörter: -
 Zusammenfassung: We demonstrate a non-linear measurement scheme of the Shubnikov–de Haas effect based on Joule self-heating that builds on ideas of the 3ω-method used in thin films. While the temperature dependence of the resistance, R(T), of clean metals at low temperatures saturates, a significant temperature dependence, dR/dT, appears at high fields due to Landau quantization. We experimentally demonstrate this effect in the semi-metal CoSi, resolving well quantum oscillations at low magnetic fields in the non-linear channel, which appear as 3rd harmonics of the current drive frequency. To ensure the dominant self-heating originates in the crystal, not at the contacts, we fabricate crystalline microbars using focused ion beam machining. These oscillations in non-linear channel encode the ratio between the dR/dT and the thermal conductivity of the material, rendering it an interesting probe in situations of the broken Wiedemann–Franz law. Our results present a quantitative methodology that is particularly suited to investigate the electronic structure of micro- and nano-materials at intermediate temperatures.

Details

einblenden:
ausblenden:
Sprache(n): eng - English
 Datum: 2021
 Publikationsstatus: Online veröffentlicht
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1063/5.0071939
 Art des Abschluß: -

Veranstaltung

einblenden:

Entscheidung

einblenden:

Projektinformation

einblenden:

Quelle 1

einblenden:
ausblenden:
Titel: Applied Physics Letters
  Kurztitel : Appl. Phys. Lett.
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Melville, NY : American Institute of Physics
Seiten: - Band / Heft: 119 (22) Artikelnummer: 224101 Start- / Endseite: - Identifikator: ISSN: 0003-6951
CoNE: https://pure.mpg.de/cone/journals/resource/954922836223