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Origin of current instability in GaAs/AlGaAs heterostructures

✍ Scribed by V.I. Borisov; V.A. Sablikov; A.I. Chmil’; I.V. Borisova

Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
274 KB
Volume
8
Category
Article
ISSN
1386-9477

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We report a new experimental technique to study the form of the hot electron distribution function in GaAs/AlGaAs heterostructures. A weak periodic surface potential induces Smith-Purcell-FIR-radiation of the electric field driven hot electrons in the 2-dimensional electron gas directly reflecting t