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DS: Fachverband Dünne Schichten

DS 35: Poster I: Application of thin films; Focus session: Sensoric micro and nano-systems; Focus Session: Sustainable photovoltaics with earth abundant materials; Graphen (joint session with TT; MA; HL; DY; O); Ion and electron beam induced processes; Layer properties: electrical, optical, and mechanical properties; Magnetic/organic interfaces, spins in organics and molecular magnetism; Micro- and nanopatterning (jointly with O); Organic electronics and photovoltaics (jointly with CPP, HL, O); Thermoelectric materials

DS 35.3: Poster

Mittwoch, 2. April 2014, 17:00–20:00, P1

BaTiO₃ memristors for neuromorphic engineering circuits. — •Florian Hofmann¹, Savio Fabretti², Stefan Niehörster², Joachim Sterz², Andy Thomas², and Elisabetta Chicca¹ — ¹Technische Fakultät, Universität Bielefeld, Germany — ²Fakultät für Physik, Universität Bielefeld, Germany

We investigated the memristive properties of Barium Titanate and its application in the field of Neuromorphic Engineering. It is suggested in [1] that memristive elements may be a perfect fit for replacing synaptic circuits in modelled neuronal networks. Therefore we sputtered thin BTO films and characterized them with X-ray defraction (XRD). We observed the required tetragonal stucture in the XRD spectra. Furthermore we measured first memristive i-v tunneling characteristic. Finally we plan to integrate memristive elements with a neuromorphic CMOS chip and discuss advantages over previous attempts.

[1] Giacomo Indiveri et al. “Integration of nanoscale memristor synapses in neuromorphic computing architectures”