D
Duncan Stewart
Researcher at Hewlett-Packard
Publications - 36
Citations - 21017
Duncan Stewart is an academic researcher from Hewlett-Packard. The author has contributed to research in topics: Memristor & Electrode. The author has an hindex of 20, co-authored 36 publications receiving 18461 citations. Previous affiliations of Duncan Stewart include National Research Council & California Institute of Technology.
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Journal ArticleDOI
The missing memristor found
TL;DR: It is shown, using a simple analytical example, that memristance arises naturally in nanoscale systems in which solid-state electronic and ionic transport are coupled under an external bias voltage.
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Memristive devices for computing
TL;DR: The performance requirements for computing with memristive devices are examined and how the outstanding challenges could be met are examined.
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Memristive switching mechanism for metal/oxide/metal nanodevices.
Jianhua Yang,Matthew D. Pickett,Xuema Li,Douglas A. A. Ohlberg,Duncan Stewart,R. Stanley Williams +5 more
TL;DR: Experimental evidence is provided to support this general model of memristive electrical switching in oxide systems, and micro- and nanoscale TiO2 junction devices with platinum electrodes that exhibit fast bipolar nonvolatile switching are built.
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‘Memristive’ switches enable ‘stateful’ logic operations via material implication
Julien Borghetti,Gregory S. Snider,Philip J. Kuekes,Jianhua Yang,Duncan Stewart,Duncan Stewart,R. Stanley Williams +6 more
TL;DR: Bipolar voltage-actuated switches, a family of nonlinear dynamical memory devices, can execute material implication (IMP), which is a fundamental Boolean logic operation on two variables p and q such that pIMPq is equivalent to (NOTp)ORq.
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The mechanism of electroforming of metal oxide memristive switches
Jianhua Yang,Feng Miao,Matthew D. Pickett,Douglas A. A. Ohlberg,Duncan Stewart,Chun Ning Lau,R. Stanley Williams +6 more
TL;DR: The nature of the oxide electroforming as an electro-reduction and vacancy creation process caused by high electric fields and enhanced by electrical Joule heating is explained with direct experimental evidence.