Journal
CHEMICAL SCIENCE
Volume 11, Issue 38, Pages 10337-10343Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0sc03107k
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Funding
- European Union's Horizon 2020 research and innovation programme (ERC) [258060 FuncMolQIP]
- European Union's Horizon 2020 research and innovation programme (COST Action MOLSPIN) [15128]
- European Union's Horizon 2020 research and innovation programme (QUANTERA project SUMO)
- European Union's Horizon 2020 research and innovation programme (FET-OPEN grant) [862893 FATMOLS]
- Spanish MICINN [CTQ2015-68370-P, CTQ201564486-R, RTI2018-096075-B-C21, PCI2018-093116, PGC2018098630-B-I00, MAT2017-86826-R]
- Gobierno de Aragon [E09-17R-Q-MAD, PLATON E31_17R]
- Generalitat de Catalunya (ICREA Academia 2018)
- Italian Ministry of Education and Research (MIUR) through the SUMO
- Italian Ministry of Education and Research (MIUR) through the PRIN Project 2015 HYFSRT Quantum Coherence in Nanostructures of Molecular Spin Qubits
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We show that a [Er-Ce-Er] molecular trinuclear coordination compound is a promising platform to implement the three-qubit quantum error correction code protecting against pure dephasing, the most important error in magnetic molecules. We characterize it by preparing the [Lu-Ce-Lu] and [Er-La-Er] analogues, which contain only one of the two types of qubit, and by combining magnetometry, low-temperature specific heat and electron paramagnetic resonance measurements on both the elementary constituents and the trimer. Using the resulting parameters, we demonstrate by numerical simulations that the proposed molecular device can efficiently suppress pure dephasing of the spin qubits.
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