Robust spin crossover and memristance across a single molecule

Toshio Miyamachi (), Manuel Gruber, Vincent Davesne, Martin Bowen, Samy Boukari, Loïc Joly, Fabrice Scheurer, Guillaume Rogez, Toyo Kazu Yamada, Philippe Ohresser, Eric Beaurepaire and Wulf Wulfhekel
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Toshio Miyamachi: Karlsruhe Institute of Technology, Physikalisches Institut
Manuel Gruber: Karlsruhe Institute of Technology, Physikalisches Institut
Vincent Davesne: Karlsruhe Institute of Technology, Physikalisches Institut
Martin Bowen: Institut de Physique et Chimie des Matériaux de Strasbourg
Samy Boukari: Institut de Physique et Chimie des Matériaux de Strasbourg
Loïc Joly: Institut de Physique et Chimie des Matériaux de Strasbourg
Fabrice Scheurer: Institut de Physique et Chimie des Matériaux de Strasbourg
Guillaume Rogez: Institut de Physique et Chimie des Matériaux de Strasbourg
Toyo Kazu Yamada: Karlsruhe Institute of Technology, Physikalisches Institut
Philippe Ohresser: Synchrotron SOLEIL, L′Orme des Merisiers, Saint-Aubin - BP 48, 91192 Gif-sur-Yvette, France.
Eric Beaurepaire: Institut de Physique et Chimie des Matériaux de Strasbourg
Wulf Wulfhekel: Karlsruhe Institute of Technology, Physikalisches Institut

Nature Communications, 2012, vol. 3, issue 1, 1-6

Abstract: Abstract A nanoscale molecular switch can be used to store information in a single molecule. Although the switching process can be detected electrically in the form of a change in the molecule′s conductance, adding spin functionality to molecular switches is a key concept for realizing molecular spintronic devices. Here we show that iron-based spin-crossover molecules can be individually and reproducibly switched between a combined high-spin, high-conduction state and a low-spin, low-conduction state, provided the individual molecule is decoupled from a metallic substrate by a thin insulating layer. These results represent a step to achieving combined spin and conduction switching functionality on the level of individual molecules.

Date: 2012
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DOI: 10.1038/ncomms1940

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