Applied Physics Letters

History-dependent filament configuration in multiterminal electrothermal memristors

S Sander Smink (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) F Farnaz Tahouni-Bonab (Physikalisches Institut, Center for Quantum Science (CQ) and LISA+, Eberhard Karls Universität Tübingen 2 , Auf der Morgenstelle 14, 72076 Tübingen,) W Wander Schmitz (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) D Daniel Janse van Rensburg (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) J Julian van Putten (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) L Lennart Cool (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) C Colin Evers (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) S Stefan Guénon (Physikalisches Institut, Center for Quantum Science (CQ) and LISA+, Eberhard Karls Universität Tübingen 2 , Auf der Morgenstelle 14, 72076 Tübingen,) R Reinhold Kleiner D Dieter Koelle C Carlos M. M. Rosário (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,) H Hans Hilgenkamp (MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,)

Abstract

Electrothermal memristors operate by a resistive switching mechanism based on Joule heating. During the switching process, metallic filaments form between the electrical contacts in a highly reversible and reproducible manner. Our experiments on planar VO2-based devices show that multiple filaments can form when several electronic terminals are involved. The configuration, position, and size of the filaments depend sensitively on the applied inputs and on their history. Because of this history dependence and the interchangeability of the terminals, these devices are promising building blocks for programmable networks with built-in local memory.

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Article Details

Volume / Issue Vol. 128, Issue 24
Published June 15, 2026
ISSN 0003-6951
Publisher American Institute of Physics

Journal Info

Applied Physics Letters

American Institute of Physics
ISSN: 0003-6951 Physical Sciences

Authors (12)

S

Sander Smink

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

F

Farnaz Tahouni-Bonab

Physikalisches Institut, Center for Quantum Science (CQ) and LISA+, Eberhard Karls Universität Tübingen 2 , Auf der Morgenstelle 14, 72076 Tübingen,

W

Wander Schmitz

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

D

Daniel Janse van Rensburg

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

J

Julian van Putten

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

L

Lennart Cool

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

C

Colin Evers

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

S

Stefan Guénon

Physikalisches Institut, Center for Quantum Science (CQ) and LISA+, Eberhard Karls Universität Tübingen 2 , Auf der Morgenstelle 14, 72076 Tübingen,

R

Reinhold Kleiner

D

Dieter Koelle

C

Carlos M. M. Rosário

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

H

Hans Hilgenkamp

MESA+ Institute and Faculty of Science and Technology, University of Twente 1 , P.O. Box 217, 7500 AE Enschede,

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