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Dynamics of electron capture into quantum wires

Abstract:
We report direct measurements of carrier trapping from three-dimensional states into spatially confined one-dimensional states in GaAs quantum wires. In spite of the small wire volume, very fast trapping (≤ 10 ps) is observed in V-groove wires. Theoretical calculations of trapping via optical-phonon emission, based on an accurate band-structure determination, shows that this arises because of strong overlap of initial extended and final confined electron states.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Maciel, AC More by this author
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Journal:
PHYSICAL REVIEW B
Volume:
53
Issue:
8
Pages:
R4225-R4228
Publication date:
1996-02-15
ISSN:
0163-1829
URN:
uuid:82cdbe52-bb5a-4d11-8ee1-56fa816d5f43
Source identifiers:
31353
Local pid:
pubs:31353
Language:
English

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