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Dissociation of indirect excitons: Discontinuity and bistability in the tunnel current of single-barrier heterostructures

Parlangeli, A; Christianen, P C M; Geim, A K; Maan, J C; Eaves, L; Main, P C; Henini, M

Physical Review B. 1999;60(19):13302-13305.

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Abstract

We observed a new discontinuity and bistability in the tunnel current of a 12-nm single-barrier GaAs/AlAs p-i-n heterostructure where a system of spatially separated two-dimensional electron and hole (e-h) layers of equal and tunable density is realized. Both features appear at T less than or similar to 300 mK and are substantially enhanced in a magnetic field B greater than or similar to 10 T perpendicular to the layers. They correspond to a discontinuity in the e-h density and in the phase of the current magneto-oscillations, which we suggest to arise from a transition between indirect excitons and the uncoupled e-h gases. [S0163-1829(99) 12343-9].

Bibliographic metadata

Type of resource:
Content type:
Published date:
Language:
english
Journal title:
Alternative journal title:
Phys Rev B
ISSN:
Volume:
60
Issue:
19
Start page:
13302
End page:
13305
Total:
4
Pagination:
13302-13305
ISI Accession Number:
ISI:000083940400018
Related website(s):
  • Related website <Go to ISI>://000083940400018
General notes:
  • 260GD Times Cited:2 Cited References Count:20
Access state:
Active

Institutional metadata

University researcher(s):

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:192563
Created by:
Hawthornthwaite, Sabina
Created:
19th April, 2013, 14:55:52
Last modified by:
Hawthornthwaite, Sabina
Last modified:
19th April, 2013, 14:55:52

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