We propose a model describing the operations of hafnium oxide-based resistive random access memory (RRAM) devices at the microscopic level. Charge carrier and ion transport are self-consistently described starting from the leakage current in pristine HfO₂. Material structural modifications occurring during the RRAM operations, such as conductive filament (CF) creation and disruption, are accounted for. The model describes the complex processes leading to a formation of the CF and its dependence on both electrical conditions (e.g., current compliance, voltage stress, and temperature) and device characteristics (e.g., electrodes material and dielectric thickness).
Microscopic Modeling of HfOₓ RRAM Operations: From Forming to Switching / Padovani, Andrea; Larcher, Luca; Pirrotta, Onofrio; Vandelli, Luca; Bersuker, Gennadi. - In: IEEE TRANSACTIONS ON ELECTRON DEVICES. - ISSN 0018-9383. - 62:6(2015), pp. 1998-2006.
Data di pubblicazione: | 2015 |
Titolo: | Microscopic Modeling of HfOₓ RRAM Operations: From Forming to Switching |
Autore/i: | Padovani, Andrea; Larcher, Luca; Pirrotta, Onofrio; Vandelli, Luca; Bersuker, Gennadi |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/TED.2015.2418114 |
Rivista: | |
Volume: | 62 |
Fascicolo: | 6 |
Pagina iniziale: | 1998 |
Pagina finale: | 2006 |
Codice identificativo ISI: | WOS:000355405800047 |
Codice identificativo Scopus: | 2-s2.0-85027954847 |
Citazione: | Microscopic Modeling of HfOₓ RRAM Operations: From Forming to Switching / Padovani, Andrea; Larcher, Luca; Pirrotta, Onofrio; Vandelli, Luca; Bersuker, Gennadi. - In: IEEE TRANSACTIONS ON ELECTRON DEVICES. - ISSN 0018-9383. - 62:6(2015), pp. 1998-2006. |
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