Electron–phonon coupling in copper intercalated Bi 2 Se 3

Maciej Wiesner, Kristie Koski, Antti Laitinen, Juuso Manninen, Alexander A. Zyuzin, Pertti Hakonen*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

We report charge and heat transport studies in copper-intercalated topological insulator Bi2Se3 hybrid devices. Measured conductivity shows impact of quantum corrections, electron–electron and electron–phonon interactions. Our shot noise measurements reveal that heat flux displays a crossover between T2 and T4 with the increase of temperature. The results might be explained by a model of inelastic electron scattering on disorder, increasing the role of transverse acoustic phonons in the electron–phonon coupling process.

Original languageEnglish
Article number12097
Pages (from-to)1-8
Number of pages8
JournalScientific Reports
Volume12
Issue number1
DOIs
Publication statusPublished - 15 Jul 2022
MoE publication typeA1 Journal article-refereed

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