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Hot-electron injection by graded AlxGa1-xAs

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4 Author(s)
Long, A.P. ; GEC Research Limited, Hirst Research Centre, Wembley, UK ; Beaton, P.H. ; Kelly, M.J. ; Kerr, T.M.

Triangular barriers of AlxGa1-xAs are used as hot-electron injectors. The AlxGa1-xAs, is linearly graded from x=0 to 0.2 or 0.3 over distances of order 500 Å to provide barriers in the range 200 to 300 meV. In the present application the barrier forms the injector of a hot-electron spectrometer.

Published in:

Electronics Letters  (Volume:22 ,  Issue: 3 )