Project description
Study investigates how chiral molecules could benefit quantum applications
Distinguishing between the left- and right-handed forms of chiral molecules (enantiomers) is crucial in chemistry and biology. Depending on their handedness, these mirror image molecules can exhibit entirely different chemical or biological properties. Recent observations have shown that even at room temperature electrons exhibit a preferred direction of their spin after propagating through chiral organic or inorganic materials placed between two electrodes. This effect of spin polarisation is called chirality-induced spin selectivity (CISS). Funded by the European Research Council, the CASTLE project aims to leverage the CISS effect in quantum applications, such as quantum computers and quantum sensors. Project findings will also have important implications for catalysis, light harvesting and nuclear magnetic resonance applications.
Objective
Chirality is a key property of molecules important in many chemical and nearly all biological processes. Recent observations have shown that electron transport through chiral molecules attached to solid electrodes can induce high spin polarization even at room temperature. Electrons with their spin aligned parallel or antiparallel to the electron transfer displacement vector are preferentially transmitted depending on the chirality of the molecular system resulting in Chirality-Induced Spin Selectivity (CISS). The long-term vision of the CASTLE project is to transform the CISS effect into an enabling technology for quantum applications. This will be accomplished by achieving four key objectives. 1) The occurrence of CISS will be studied at the intramolecular level by photo-inducing rapid electron transfer within covalent donor-chiral spacer-acceptor molecules to generate long-lived radical pairs (RPs). 2) Direct detection of RP spin polarization will be performed using time-resolved and pulsed electron and nuclear magnetic resonance techniques. In addition, polarization transfer from one of the radicals comprising the spin-polarized RP to a stable molecular spin (Q) will be used to initialize the quantum state of Q, making it a good qubit for quantum applications, particularly sensing. 3) Quantum mechanical studies of the CISS effect will provide predictive models for molecular qubit design. 4) The CISS effect will be used to control, readout, and transfer information in prototypical devices embedding hybrid interfaces based on semiconducting or conducting substrates, thus dramatically advancing the use of molecular spins in quantum information technologies targeting high-temperature operation. These devices will be used also to prove molecule-based Quantum Error Correction. The knowledge acquired with CASTLE will impact a wide range of fields, including magnetless spintronics, dynamic nuclear polarization for NMR signal enhancement, catalysis, and light harvesting.
Fields of science (EuroSciVoc)
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This project's classification has been validated by the project's team.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
This project's classification has been validated by the project's team.
Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
MAIN PROGRAMME
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Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-ERC-SYG - HORIZON ERC Synergy Grants
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2022-SYG
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50121 Florence
Italy
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