Energy-band engineering for improved charge retention in fully self-aligned double floating-gate single-electron memories

X. Tang, C. Krzeminski, A. Lecavelier Des Etangs-Levallois, Z. Chen, E. Dubois, E. Kasper, A. Karmous, N. Reckinger, D. Flandre, L.A. Francis, J.-P. Colinge, J.-P. Raskin

    Résultats de recherche: Contribution à un journal/une revueArticleRevue par des pairs

    Résumé

    We present a new fully self-aligned single-electron memory with a single pair of nano floating gates, made of different materials (Si and Ge). The energy barrier that prevents stored charge leakage is induced not only by quantum effects but also by the conduction-band offset that arises between Ge and Si. The dimensions and position of each floating gate are well-defined and controlled. The devices exhibit a long retention time and single-electron injection at room temperature.
    langue originaleAnglais
    Pages (de - à)4520-4526
    Nombre de pages7
    journalNano Letters
    Volume11
    Numéro de publication11
    Les DOIs
    Etat de la publicationPublié - 9 nov. 2011

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