activity
20202025
most citedNuclear spin polarization and control in a van der Waals material

117 citations · 193 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.mtrl-sci2025

Deep Spin Defects in Zinc Oxide for High-Fidelity Single-Shot Readout

Shimin Zhang, Taejoon Park, Erik Perez +10

Wide-bandgap oxides such as ZnO are favorable hosts for spin defect qubits due to their dilute nuclear spin background and potential for ultra-high purity. Yet, a deep-level defect…

cond-mat.mtrl-sci2024

Anomalous Hall effect from inter-superlattice scattering in a noncollinear antiferromagnet

Lilia S. Xie, Shannon S. Fender, Cameron Mollazadeh +11

Superlattice formation dictates the physical properties of many materials, including the nature of the ground state in magnetic materials. Chemical composition is commonly consider…

cond-mat.mtrl-sci2024

Spin Dynamics in Hybrid Halide Perovskites -- Effect of Dynamical and Permanent Symmetry Breaking

Kejun Li, Junqing Xu, Uyen N. Huynh +7

The hybrid organic-inorganic halide perovskite (HOIP), for example MAPbBr3, exhibits extended spin lifetime and apparent spin lifetime anisotropy in experiments. The underlying mec…

quant-ph2024★ 46 cited

Single nuclear spin detection and control in a van der Waals material

Xingyu Gao, Sumukh Vaidya, Kejun Li +8

Optically active spin defects in solids are leading candidates for quantum sensing and quantum networking. Recently, single spin defects were discovered in hexagonal boron nitride…

cond-mat.mtrl-sci2024★ 2 cited

Excited-State Dynamics and Optically Detected Magnetic Resonance of Solid-State Spin Defects from First Principles

Kejun Li, Vsevolod D. Dergachev, Ilya D. Dergachev +3

Optically detected magnetic resonance (ODMR) is an efficient and reliable method that enables initialization and readout of spin states through spin-photon interface. In general, h…

cond-mat.mtrl-sci2023★ 22 cited

Comparative Electronic Structures of the Chiral Helimagnets Cr1/3NbS2 and Cr1/3TaS2

Lilia S. Xie, Oscar Gonzalez, Kejun Li +16

Magnetic materials with noncollinear spin textures are promising for spintronic applications. To realize practical devices, control over the length and energy scales of such spin t…

cond-mat.mtrl-sci2023

Effect of Environmental Screening and Strain on Optoelectronic Properties of Two-Dimensional Quantum Defects

Shimin Zhang, Kejun Li, Chunhao Guo +1

Point defects in hexagonal boron nitride (hBN) are promising candidates as single-photon emitters (SPEs) in nanophotonics and quantum information applications. The precise control…

cond-mat.mtrl-sci2022★ 1 cited

How Spin Relaxes and Dephases in Bulk Halide Perovskites

Junqing Xu, Kejun Li, Uyen N. Huynh +4

Spintronics in halide perovskites has drawn significant attention in recent years, due to highly tunable spin-orbit fields and intriguing interplay with lattice symmetry. Spin life…

quant-ph2022★ 117 cited

Nuclear spin polarization and control in a van der Waals material

Xingyu Gao, Sumukh Vaidya, Kejun Li +11

Van der Waals layered materials are a focus of materials research as they support strong quantum effects and can easily form heterostructures. Electron spins in van der Waals mater…

cond-mat.mtrl-sci2021★ 3 cited

as a 2 eV Single-Photon Emitter Candidate in Hexagonal Boron Nitride

Kejun Li, Tyler Smart, Yuan Ping

The generation of single-photon emitters in hexagonal boron nitride around 2 eV emission is experimentally well-recognized; however the atomic nature of these emitters is unknown.…

cond-mat.mtrl-sci2020★ 2 cited

Intersystem Crossing and Exciton-Defect Coupling of Spin Defects in Hexagonal Boron Nitride

Tyler J. Smart, Kejun Li, Junqing Xu +1

Despite the recognition of two-dimensional (2D) systems as emerging and scalable host materials of single photon emitters or spin qubits, uncontrolled and undetermined chemical nat…