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Understanding The Physical Chemistry Properties Of BaxSr1-XTiO3 Using ReaxFF Based Molecular Dynamics Simulations

2021 In-House Research Highlights

What Has Been Achieved:

We developed and validated a ReaxFF description for Ba/SrTiO3 perovskites.

Importance of the Achievement:

These ReaxFF parameters can be straightforwardly combined with existing ReaxFF descriptions for Mo/W/Se/S/C/O/H, enabling simulations of MoWSeS-material growth on STO support.

Unique Feature(s) of the MIP that Enabled this Achievement:

This work responds to a continuing external user interest in ReaxFF parameters for 2D materials and their growth substrates

Spin-Charge Interconversion In A Dirac Semimetal

2021 In-House Research Highlights

What Has Been Achieved:

We used MBE to Dirac semimetal/ferromagnet metal (Cd3As2/Ni0.8Fe0.2) heterostructures and measured spin-charge interconversion using spin pumping and spin torque ferromagnetic resonance. Importance of the Achievement: This work showed efficient spin-charge interconversion in a Dirac semimetal and revealed a surprising enhancement in the interconversion efficiency with an oxidized interface.

Unique Feature(s) of the MIP that Enabled this Achievement:

Mapping The Phase Diagram Of The Quantum Anomalous Hall And Topological Hall Effects

2021 In-House Research Highlights

What Has Been Achieved:

Developed dual-gated magnetic topological heterostructures that manifest both the quantum anomalous and topological Hall effects as a function of the dual-gate voltages.

Importance of the Achievement:

This work provides a robust pathway for producing samples that enable the fundamental study of the interplay between Berry curvature in momentum space and real space. These unique samples and patterned devices are available for users as sample requests.

Fingerprinting 2-Dimensional Polar Metals

2021 In-House Research Highlights

What Has Been Achieved:

A facile route for characterizing 2D metals.

Importance of the Achievement:

This work provides the first reported ability to rapidly identify the presence of 2D metals.

Unique Feature(s) of the MIP that Enabled this Achievement:

Large area epitaxial graphene

Publication:

Maxwell T Wetherington et al 2021 2D Mater. 8 041003

Acknowledgements: