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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/45138

    Título
    Dynamics of set and reset processes on resistive switching memories
    Autor
    Dueñas Carazo, SalvadorAutoridad UVA Orcid
    Castán Lanaspa, María HelenaAutoridad UVA Orcid
    González Ossorio, ÓscarAutoridad UVA
    García García, HéctorAutoridad UVA Orcid
    Año del Documento
    2019
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Microelectronic Engineering, 2019, vol. 216. 4 p.
    Resumo
    In this work, we have characterized hafnium oxide based bipolar resistive switching memories (RRAM) by measuring the small-signal conductance. The samples under study exhibit a continuum of intermediate states which can be accurately controlled by means of adequate sequence of the applied stimulus. The experimental results are analyzed to obtain information on the dynamics of the set and reset processes. This study reveals that ON-to-OFF (reset) and OFF-to-ON (set) processes are not symmetrical. Set transition is gradual and depends on the voltage stimulus according to an Erlang function which consists of a sum of k independent and identically distributed mechanisms, each having an exponential distribution. In contrast, reset process is more abrupt and can be described by a sigmoidal law. Time dependencies of set and reset process at fixed voltage values are explored as well. Set process is gradual at any positive voltage, whereas reset process is characterized by a time constant which depends on the applied voltage. Experimental results are explained in terms of the formation of interfacial barrier between the top electrode and the conductive filament.
    Palabras Clave
    Resistive switching
    Conmutación resistiva
    ISSN
    0167-9317
    Revisión por pares
    SI
    DOI
    10.1016/j.mee.2019.111032
    Patrocinador
    Ministerio de Economía, Industria y Competitividad (project TEC2017-84321-C4-2-R)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0167931719301893?via%3Dihub
    Propietario de los Derechos
    © 2019 Elsevier
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/45138
    Tipo de versión
    info:eu-repo/semantics/draft
    Derechos
    openAccess
    Aparece en las colecciones
    • GCME - Artículos de revista [57]
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    Universidad de Valladolid

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