4 papers
Native defects and erbium impurities in CaWO4
Minseok Choi, Mark E. Turiansky, BaiQing Zhao +2
We perform hybrid density functional calculation to study the energetics, electronic properties, optical transitions, and migration barriers of native defects in CaWO. Oxygen a…
Charge dynamics at nitrogen impurities and nitrogen-vacancy centers in diamond
Chandan Kumar Vishwakarma, J. K. Nangoi, Mark E. Turiansky +1
The nitrogen-vacancy (NV) center in diamond is the prototype quantum defect that enables a variety of diamond-based quantum technologies. However, charge-state instability and spec…
A defect in diamond with millisecond-scale spin relaxation time at room temperature
Sounak Mukherjee, Anran Li, Johannes Eberle +16
Spin defects in diamond are promising platforms for quantum sensing. The longest electron spin relaxation times () at room temperature for solid-state defects are observed in…
Identification of the I Donor in ZnO as a Sn--Li Complex with Large Hyperfine Interaction
Xingyi Wang, Sai Mu, Jeong Rae Kim +6
Donor impurities in wide direct band gap semiconductors provide a promising platform for spin--photon quantum technologies by combining a donor spin qubit with optically addressabl…