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Potential molecular qubits with long coherence time constructed using bromo-substituted trityl radicals
The development of quantum information science has promoted the emergence of novel molecule-based quantum materials, which attracted widespread interest among chemists. Here we synthesized several bromo-substituted trityl radicals and characterized their spin relaxation properties by X-band pulsed e...
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Published in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2024-04, Vol.12 (14), p.515-5156 |
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Main Authors: | , , , , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites |
Online Access: | Get full text |
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Summary: | The development of quantum information science has promoted the emergence of novel molecule-based quantum materials, which attracted widespread interest among chemists. Here we synthesized several bromo-substituted trityl radicals and characterized their spin relaxation properties by X-band pulsed electron paramagnetic resonance. The coherence time of bromo-substituted trityl radicals is enhanced upon the increment of the bromo-substitutions, and significantly longer than the chloro-substituted analogues. In addition, a series of PMMA films doped with different bromo-substituted trityl radicals are prepared and their quantum coherence is characterized at room temperature. The long coherence time of bromo-substituted trityl radicals suggests that these organic molecules are expected to be molecule-based quantum materials for applications in quantum information processing.
Bromo-substituted trityl radicals with long room-temperature quantum coherence are expected to be the future generation of molecular-based quantum bits. |
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ISSN: | 2050-7526 2050-7534 |
DOI: | 10.1039/d3tc04395a |