Materials Sciences and Engineering Research Highlights

Tuning Magnetic Topological Insulators using Defects

Inelastic neutron scattering experiments reveal that magnetism in stoichiometric and lightly doped magnetic topological insulators in the Sb2Te3-MnSb2Te4 family is controlled by universal interactions between magnetic defects.

Orbital Fluctuations Control the Magnetism of a Topological Metal

Initiation of a spin-reorientation in TbMn6Sn6 by Tb orbital fluctuations revealed by inelastic neutron scattering (INS) experiments.

Chlorination of 2D Silicon Revealed by NMR

Solid-state nuclear magnetic resonance (NMR) spectroscopy methods to detect chlorine atoms were developed and showed that 20% of the silicon atoms in 2D silicon nanosheets are chlorine terminated.

PEG-Grafted Silver Nanoparticles:Implications for Plasmonics and Photonics

ML-guided discovery of ternary compounds involving immiscible elements

Adaptive quantum circuit construction for ground state preparation of multiorbital impurity models

Different variational quantum eigensolvers for ground state preparation of multiorbital embedding impurity models were benchmarked in the presence of hardware noise.

Tuning electronic coupling in bilayer graphenevis-á-vis metal intercalation

Gd intercalation introduces an exceptionally large transverse displacement field acting on the overlying Bernal - stacked bilayer graphene (BLG).

Imaging exciton-plasmon polaritons in WSe2/Au heterostructures

Exciton-plasmon polaritons in WSe2/Au heterostructures are imaged, which show a strong coupling between excitons in WSe2 and surface plasmons on gold.

Accelerating the discovery of novel materials using a machine learning guided framework

Novel low-energy La-Si-P ternary compounds are efficiently predicted by an ML-guided framework which dramatically (~100 times) accelerates the pace of materials discovery.

Terahertz nano-imaging of a perovskite solar cell

Photo-carrier transport is mapped and visualized at the sub-grain level on a perovskite solar cell material with nanometer spatial resolution and terahertz frequency scales.