Spectroscopic Signatures of the B and H4 Polyatomic Nitrogen Aggregates in Nanodiamond
- Ryan A. BeckRyan A. BeckDepartment of Chemistry, University of Washington, Seattle, Washington 98195, United StatesMore by Ryan A. Beck
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- Lixin LuLixin LuDepartment of Chemistry, University of Washington, Seattle, Washington 98195, United StatesMore by Lixin Lu
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- Alessio PetroneAlessio PetroneDipartimento di Scienze Chimiche, Università di Napoli Federico II, Complesso Universitario di M. S. Angelo, via Cintia, I-80126 Napoli, ItalyMore by Alessio Petrone
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- Amanda C. OngAmanda C. OngDepartment of Chemistry, University of Washington, Seattle, Washington 98195, United StatesMore by Amanda C. Ong
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- Peter J. PauzauskiePeter J. PauzauskieDepartment of Materials Science, University of Washington, 302D Roberts Hall, Seattle, Washington 98195, United StatesPhysical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99352, United StatesMore by Peter J. Pauzauskie
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- Xiaosong Li*Xiaosong Li*Email: [email protected]Department of Chemistry, University of Washington, Seattle, Washington 98195, United StatesMore by Xiaosong Li
Abstract
Defects within nanodiamonds have enabled a variety of quantum sensors based on optical properties that are sensitive to pressure, optical/electric fields, and the configuration of both electronic and nuclear of spins. The presence of dopants can introduce midgap states influencing their optical properties. Complex defects based on nitrogen aggregates have been shown to form in nitrogen-containing diamonds; as such, it is important to differentiate these systems from pure diamond and single nitrogen vacancy (NV) systems. Here we report the effect of N4Vx B- and H4-aggregate defects on the infrared vibrational, optical, and X-ray absorption spectroscopies of nanodiamonds. It is found that the presence of these polyatomic nitrogen-aggregate defects introduces unique vibrational responses, as well as electronic levels giving rise to unique optical and X-ray absorption features.
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