In:
Nanoscale, Royal Society of Chemistry (RSC), Vol. 13, No. 47 ( 2021), p. 19946-19955
Abstract:
Molecular entities with robust spin-1/2 are natural two-level quantum systems for realizing qubits and are key ingredients of emerging quantum technologies such as quantum computing. Here we show that robust and abundant spin-1/2 species can be created in situ in the solid state from spin-active azafullerene C 59 N cages supramolecularly hosted in crystals of [10]cycloparaphenylene ([10] CPP) nanohoops. This is achieved via a two-stage thermally-assisted homolysis of the parent diamagnetic [10]CPP⊃(C 59 N) 2 ⊂[10]CPP supramolecular complex. Upon cooling, the otherwise unstable C 59 N˙ radical is remarkably persistent with a measured radical lifetime of several years. Additionally, pulsed electron paramagnetic resonance measurements show long coherence times, fulfilling a basic condition for any qubit manipulation, and observed Rabi oscillations demonstrate single qubit operation. These findings together with rapid recent advances on the synthesis of carbon nanohoops offer the potential to fabricate tailored cycloparaphenylene networks hosting C 59 N˙ centers, providing a promising platform for building complex qubit circuits.
Type of Medium:
Online Resource
ISSN:
2040-3364
,
2040-3372
Language:
English
Publisher:
Royal Society of Chemistry (RSC)
Publication Date:
2021
detail.hit.zdb_id:
2515664-0
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