Publications associated with Quantum Spin Dynamics

A two-step approach to the synthesis of N@C<inf>60</inf>fullerene dimers for molecular qubits

Chemical Science 4 (2013) 2971-2975

SR Plant, M Jevric, JJL Morton, A Ardavan, AN Khlobystov, GAD Briggs, K Porfyrakis

We report the two-step synthesis of a highly soluble fullerene dimer, both for short reaction times and at the microscale. We apply this reaction scheme to starting materials that contain 15 N@C 60 and 14 N@C 60 , and we demonstrate how, if applied to highly pure N@C 60 in the future, this scheme may be used to produce ( 14 N@C 60 ) 2 or ( 15 N@C 60 ) 2 dimers in one step, and crucially 14 N@C 60 - 15 N@C 60 dimers in a second step. Such dimers represent isolated electron spin pairs that may be used to demonstrate entanglement between the spins. Additionally, CW EPR spectroscopy of the 15 N@C 60 -C 60 dimer in the solid state reveals permanent zero-field splitting (D = 14.6 MHz and E = 0.56 MHz). © 2013 Royal Society of Chemistry.

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