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Creators/Authors contains: "Oyala, Paul"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, Science)
    The energetic disorder induced by fluctuating liquid environments acts in opposition to the precise control required for coherence-based sensing. Overcoming fluctuations requires a protected quantum subspace that only weakly interacts with the local environment. We report a ytterbium complex that exhibited an ultranarrow absorption linewidth in solution at room temperature with a full width at half maximum of 0.625 milli–electron volts. Using spectral hole burning, we measured an even narrower linewidth of 410 pico–electron volts at 77 kelvin. Narrow linewidths allowed low-field magnetic circular dichroism at room temperature, used to sense Earth-scale magnetic fields. These results demonstrated that ligand protection in lanthanide complexes could substantially diminish electronic state fluctuations. We have termed this system an “atomlike molecular sensor” (ALMS) and proposed approaches to improve its performance. 
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  2. ; ; ; ; ; ; ; ; ; ; et al (, Inorganic Chemistry)
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  3. ; ; ; (, Journal of the American Chemical Society)
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  4. ; ; ; ; ; ; ; ; ; ; et al (, ChemRxiv)
    Accepted Manuscript Full Text Available
  5. ; ; ; ; ; ; ; ; (, Chemical Communications)
    The reaction of a terminal Mo(II) nitride with a U(III) complex yields an heterodimetallic U-Mo nitride which is the first example of a transition metal-capped uranium nitride. The nitride is triply bonded to U(V) and singly bonded to Mo(0) and supports a U-Mo interaction. This compound shows reactivity toward CO oxidation. 
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  6. ; ; ; ; ; ; ; ; ; (, Chemical Science)
    Elucidating the role of specific vibrational modes in spin lattice relaxation is a key step to designing room temperature qubits. We executed an experimental and theoretical study on a series of Cu2+qubits to increase their operating temperature. 
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  7. ; ; ; ; ; (, Journal of the American Chemical Society)
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  8. ; ; ; ; ; ; ; (, Inorganic Chemistry)
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  9. ; ; (, Angewandte Chemie International Edition)
    Abstract We report the synthesis and spectroscopic characterization of a series of iron‐carbene complexes in redox states {Fe=C(H)Ar}10–11. Pulse EPR studies of the1,2H and13C isotopologues of {Fe=C(H)Ar}11reveal the high covalency of the Fe–carbene bonding, leading to a more even spin distribution than commonly observed for reduced Fischer carbenes. 
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  10. ; ; (, Angewandte Chemie International Edition)