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Resonant magnetopolaron coupling to both polar and neutral optical phonons in the layer compound InSe

Abstract:

Cyclotron resonance measurements in the highly polar (α = 0.29) semiconductor InSe are reported in pulsed magnetic fields up to 37 T. For B > 18 T two cyclotron branches are found which are a consequence of the resonant polaron interaction. This is the first time that both branches have been observed simultaneously in 2D, and both are observed over a range of more than 10 T. The splitting is approximately 40% of the optical phonon energy which results in a change in effective mass of a fac...

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Authors


Peeters, FM More by this author
Devreese, JT More by this author
Nicholas, RJ More by this author
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Journal:
Surface Science
Volume:
263
Issue:
1-3
Pages:
654-658
Publication date:
1992-02-19
DOI:
ISSN:
0039-6028
URN:
uuid:4d8a1363-6c7d-4958-bead-804af7246312
Source identifiers:
167341
Local pid:
pubs:167341
Language:
English

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