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Quantum Advantage in a Molecular Spintronic Engine that Harvests Thermal Fluctuation Energy

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Quantum Advantage in a Molecular Spintronic Engine that Harvests Thermal Fluctuation Energy

dc.contributor.author	Chowrira, Bhavishya
dc.contributor.author	Kandpal, Lalit
dc.contributor.author	Lamblin, Mathieu
dc.contributor.author	Ngassam, Franck
dc.contributor.author	Kouakou, Charles-Ambroise
dc.contributor.author	Zafar, Talha
dc.contributor.author	Mertz, Damien
dc.contributor.author	Vileno, Bertrand
dc.contributor.author	Kieber, Christophe
dc.contributor.author	Versini, Gilles
dc.contributor.author	Gobaut, Benoit
dc.contributor.author	Joly, Loïc
dc.contributor.author	Ferté, Tom
dc.contributor.author	Monteblanco, Elmer
dc.contributor.author	Bahouka, Armel
dc.contributor.author	Bernard, Romain
dc.contributor.author	Mohapatra, Sambit
dc.contributor.author	Prima García, Helena
dc.contributor.author	Elidrissi, Safaa
dc.contributor.author	Gavara-Edo, Miguel
dc.contributor.author	Sternitzky, Emmanuel
dc.contributor.author	Da Costa, Victor
dc.contributor.author	Hehn, Michel
dc.contributor.author	Montaigne, François
dc.contributor.author	Choueikani, Fadi
dc.contributor.author	Ohresser, Philippe
dc.contributor.author	Lacour, Daniel
dc.contributor.author	Weber, Wolfgang
dc.contributor.author	Boukari, Samy
dc.contributor.author	Alouani, Mebarek
dc.contributor.author	Bowen, Martin
dc.date.accessioned	2022-12-19T14:25:24Z
dc.date.available	2022-12-19T14:25:24Z
dc.date.issued	2022
dc.identifier.citation	Chowrira, Bhavishya Kandpal, Lalit Lamblin, Mathieu Ngassam, Franck Kouakou, Charles-Ambroise Zafar, Talha Mertz, Damien Vileno, Bertrand Kieber, Christophe Versini, Gilles Gobaut, Benoit Joly, Loïc Ferté, Tom Monteblanco, Elmer Bahouka, Armel Bernard, Romain Mohapatra, Sambit Prima García, Helena Elidrissi, Safaa Gavara-Edo, Miguel Sternitzky, Emmanuel Da Costa, Victor Hehn, Michel Montaigne, François Choueikani, Fadi Ohresser, Philippe Lacour, Daniel Weber, Wolfgang Boukari, Samy Alouani, Mebarek Bowen, Martin 2022 Quantum Advantage in a Molecular Spintronic Engine that Harvests Thermal Fluctuation Energy Advanced Materials 34 49 2206688
dc.identifier.uri	https://hdl.handle.net/10550/84812
dc.description.abstract	Recent theory and experiments have showcased how to harness quantum mechanics to assemble heat/information engines with efficiencies that surpass the classical Carnot limit. So far, this has required atomic engines that are driven by cumbersome external electromagnetic sources. Here, using molecular spintronics, an implementation that is both electronic and autonomous is proposed. The spintronic quantum engine heuristically deploys several known quantum assets by having a chain of spin qubits formed by the paramagnetic Co center of phthalocyanine (Pc) molecules electronically interact with electron-spin-selecting Fe/C60 interfaces. Density functional calculations reveal that transport fluctuations across the interface can stabilize spin coherence on the Co paramagnetic centers, which host spin flip processes. Across vertical molecular nanodevices, enduring dc current generation, output power above room temperature, two quantum thermodynamical signatures of the engine's processes, and a record 89% spin polarization of current across the Fe/C60 interface are measured. It is crucially this electron spin selection that forces, through demonic feedback and control, charge current to flow against the built-in potential barrier. Further research into spintronic quantum engines, insight into the quantum information processes within spintronic technologies, and retooling the spintronic-based information technology chain, can help accelerate the transition to clean energy.
dc.language.iso	eng
dc.relation.ispartof	Advanced Materials, 2022, vol. 34, num. 49, p. 2206688
dc.subject	Energia
dc.subject	Termodinàmica
dc.title	Quantum Advantage in a Molecular Spintronic Engine that Harvests Thermal Fluctuation Energy
dc.type	journal article	es_ES
dc.date.updated	2022-12-19T14:25:25Z
dc.identifier.doi	10.1002/adma.202206688
dc.identifier.idgrec	153046
dc.rights.accessRights	open access	es_ES