Publication
Physical Review B
Paper

Thermally activated exciton transfer in GaAs1-xPx:N

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Abstract

The transfer of nitrogen-bound excitons to near-neighbor nitrogen-pair-bound excitons in GaAs1-xPx is investigated as a function of temperature. In contrast to GaP:N, where the transfer is rapid and efficient at low temperature, we find essentially no transfer at T=5 K. As the temperature is increased, the transfer rate for GaP grows only slowly, while that for GaAs1-xPx increases rapidly. By T=40 K, the rates are nearly the same. Two mechanisms are responsible for the transfer in the alloy: multiple trapping and variable-range hopping. © 1985 The American Physical Society.

Date

15 Sep 1985

Publication

Physical Review B

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