Publications associated with Quantum Information


Molecular electronic spin qubits from a spin-frustrated trinuclear copper complex

Chemical Communications Royal Society of Chemistry 54 (2018) 12934-12937

B Kintzel, M Bohme, J Liu, J Mrozek, A Burkhardt, A Ardavan, A Buchholz, W Plass

The trinuclear copper(II) complex [Cu3(saltag)(py)6]ClO4 (H5saltag = tris(2-hydroxybenzylidene)triaminoguanidine) was synthesized and characterized by experimental as well as theoretical methods. This complex exhibits a strong antiferromagnetic coupling (J = −298 cm−1) between the copper(II) ions, mediated by the N–N diazine bridges of the tritopic ligand, leading to a spin-frustrated system. This compound shows a T2 coherence time of 340 ns in frozen pyridine solution, which extends to 591 ns by changing the solvent to pyridine-d5. Hence, the presented compound is a promising candidate as a building block for molecular spintronics.


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