ArticleThe journal of physical chemistry letters2020
Room-Temperature Defect Qubits in Ultrasmall Nanocrystals.
Article in The journal of physical chemistry letters, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Recent Advances in the Synthesis, Optical Properties, and Applications of Fluorescent Silicon Carbide Quantum Dots.Small science · 2025Review
- First-Principles Design of Qubits in Charged Carbon Nanomaterials.Materials (Basel, Switzerland) · 2025Article
- Engineering the formation of spin-defects from first principles.Nature communications · 2023Article
- Formation of Paramagnetic Defects in the Synthesis of Silicon Carbide.Micromachines · 2023Article
- Amino-Termination of Silicon Carbide Nanoparticles.Nanomaterials (Basel, Switzerland) · 2023Article
- Room-temperature coherent manipulation of single-spin qubits in silicon carbide with a high readout contrast.National science review · 2022Article
- Strain Modulation of Si Vacancy Emission from SiC Micro- and Nanoparticles.Nano letters · 2020Article
Corrections and comments
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Authors and funding
9 authors.
Funding
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Abstract
There is an urgent quest for room-temperature qubits in nanometer-sized, ultrasmall nanocrystals for quantum biosensing, hyperpolarization of biomolecules, and quantum information processing. Thus far, the preparation of such qubits at the nanoscale has remained futile. Here, we present a synthesis method that avoids any interaction of the solid with high-energy particles and uses self-propagated high-temperature synthesis with a subsequent electrochemical method, the no-photon exciton generation chemistry to produce room-temperature qubits in ultrasmall nanocrystals of sizes down to 3 nm with high yield. We first create the host silicon carbide (SiC) crystallites by high-temperature synthesis and then apply wet chemical etching, which results in ultrasmall SiC nanocrystals and facilitates the creation of thermally stable defect qubits in the material. We demonstrate room-temperature optically detected magnetic resonance signal of divacancy qubits with 3.5% contrast from these nanoparticles with emission wavelengths falling in the second biological window (1000-1380 nm). These results constitute the formation of nonperturbative bioagents for quantum sensing and efficient hyperpolarization.
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