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The King Lab measures how spatial confinement, ultrafast dynamics, broken symmetry, and chirality at interfaces conspire to generate emergent chemistry, and turns those insights into design principles.

Core Research Areas

Our primary research directions and recent advances

1

Spatial Dimensions: Confinement and Morphology as Design Variables

How physical extent, anisotropy, and boundary conditions determine which collective excitations a material can support, and which it cannot.

Key Publications:

  • Spatiotemporal Visualization of Long-Range Anisotropic Plasmon Polaritons in Hyperbolic MoOCl2
    A. Ghosh*, C. Raab*, J. L. Spellberg, A. Mohan, M. Munawar, J. Rieger, S. B. King
    Nature Communications (2026)
  • Imaging and Simulation of Surface Plasmon Polaritions on Layered 2D MXenes
    J. Rieger, A. Ghosh, J. L. Spellberg, C. Raab, A. Mohan, P. P. Joshi, S. B. King
    Science Advances (2025)
Topological Quantum Materials
2

Temporal Dimensions: When Quasiparticle Timescales Define Interfacial Character

Polaron formation, carrier-phonon coupling, and ultrafast dynamics don't just happen at interfaces, they are key to interfacial function.

Key Publications:

  • Watching Polarons Dance: Coherent Carrier-Phonon Coupling in Hematite Revealed by Transient Absorption Spectroscopy
    C. R. Johnston, R. Speelman, A. Arcidiacono, C. Bridgewater, L. Rassouli, X. Ma, I. Vargas-Hurlston, J. Kupferberg, L. Martin, A. B. F. Martinson, M. Dupuis, F. M. Geiger, and S. B. King
    Journal of the American Chemical Society (2025)
  • Lattice Anisotropy-Driven Reduction of Phonon Velocities in Black Phosphorus.
    P. P. Joshi, D. Unruh, N. Mirzajani, T. E. Gage, L. Wang, R. Li, H. Liu, L. Liang, I. Arslan, M. K. Y. Chan, S. B. King
    ACS Nano (2025)
Anisotropic
3

Symmetry Dimensions: Broken Symmetry as an Emergent Handle

At ferroic domain boundaries, symmetry breaking creates interfacial chemistry with no bulk analogue and new routes to programmable material behavior.

Key Publications:

  • Controlled Phase Transitions in In2Se3 via Laser-Induced Wrinkling
    J. L. Spellberg, L. Kodaimati, A. Ghosh, P. P. Joshi, S. B. King
    Nano Letters (2025)
  • Electronic structure orientation as a map of in-plane antiferroelectricity in β′-In2Se3
    J. L. Spellberg, L. Kodaimati, P. P. Joshi, N. Mirzajani, L. Liang, S. B. King
    Science Advances (2024)
FerroicDomains
4

Chiral Dimensions: Handedness as a Non-Local Interfacial Probe

Chirality encodes information about interfacial structure that achiral measurements cannot access, connecting molecular-scale symmetry to emergent optical and electronic behavior.

Key Publications:

  • Functionalization of Monolayer MoS2 with Layered Multimolecular Architectures
    A. Arcidiacono, C. R. Johnston, C. L. Keenan, N. Mirzajani, A. Ghosh, A. S. Filatov, S. B. King
    ACS Applied Optical Materials (2024)
  • Ultrafast Spectral Signatures of Laser-Induced Chalcogen Vacancies in MoS2
    C. L. Keenan, A. Arcidiacono, N. Mirzajani, C. R. Johnston, S. B. King
    Journal of Physical Chemistry C (2024)
2D Materials

Funding Support

Our research is made possible through the generous support of these agencies and foundations

National Science Foundation
Department of Energy Office of Science
National Institutes of Health
Arnold and Mabel Beckman Foundation
Air Force Office of Scientific Research
Research Corporation for Scientific Advancement
Alfred P. Sloan Foundation

We gratefully acknowledge the support of these funding agencies and foundations, which has been essential to our research progress and scientific discoveries. This support allows us to pursue cutting-edge investigations into interfacial science and develop new techniques for nanoscale imaging.