Carrier accumulation due to insertion of nanoscale As clusters into n- and p-type GaAs

P. N. Brunkov, V. V. Chaldyshev, A. V. Chernigovskii, A. A. Suvorova, N. A. Bert, S. G. Konnikov, V. V. Preobrazhenskii, M. A. Putyato, B. R. Semyagin

Research output: Chapter in Book/Conference paperConference paperpeer-review

Abstract

Accumulation of electrons and holes has been revealed by capacitance-voltage technique in As-cluster containing GaAs layers sandwiched between n-type or p-type GaAs buffers. As a result of the majority carrier accumulation, a large depletion region forms in adjacent buffers. Simulation of the capacitance-voltage characteristics based on numerical solution of the Poisson equation showed the concentration of accumulated charge carriers to be as high as ≃ 1 × 1012 cm-2 which is comparable with concentration of As clusters determined from transmission electron microscopy study.

Original languageEnglish
Title of host publicationProceedings of the 8th International Symposium Nanostructures
Subtitle of host publicationPhysics and Technology
EditorsZh. alferov, L. Esaki, ZH. Alferov, L. Esaki
Pages291-294
Number of pages4
Publication statusPublished - 2000
Externally publishedYes
EventProceedings of the 8th International Symposium Nanostructures: Physics and Technology - St. Petersburg, Russian Federation
Duration: 19 Jun 200023 Jun 2000

Publication series

NameProceedings of the 8th International Symposium Nanostructures: Physics and Technology

Conference

ConferenceProceedings of the 8th International Symposium Nanostructures: Physics and Technology
Country/TerritoryRussian Federation
CitySt. Petersburg
Period19/06/0023/06/00

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