Luke McClintock

Area of research

Electrical and Electronic Engineering · Materials Chemistry

Research interest

Research topics from publications: Surface Effects on Anisotropic Photoluminescence in One‐Dimensional Organic Metal Halide Hybrids; Broadband ultrafast terahertz spectroscopy in the 25 T Split Florida-Helix; Ultrafast pump–probe spectroscopy in gallium arsenide at 25 T; Ultrafast Pump-probe Spectroscopy in Gallium Arsenide at 25 Tesla. Representative work: 1D organic metal halide hybrids (OMHHs) exhibit strongly anisotropic optical properties, highly efficient light emission, and large Stokes shift, holding promise for novel photodetection and lighting applications. However, the fundamental mechanisms governing their unique optical properties and in particular the impacts of surface effects are not understood. Herein, 1D C 4 N 2 H 14 PbBr 4 by polarization‐dependent time‐averaged and time‐resolved photoluminescence (TRPL) spectroscopy, as a function of photoexcitation energy, is investigated. Surprisingly, it is found that the emission under photoexcitation polarized parallel to the 1D metal halide chains can be either stronger or weaker than We describe the development of a broadband (0.3-10 THz) optical pump-terahertz probe spectrometer with an unprecedented combination of temporal resolution (≤200 fs) operating in external magnetic fields as high as 25 T using the new Split Florida-Helix magnet system. Using this new instrument, we measure the transient dynamics in a gallium arsenide four-quantum well sample after photoexcitation at 800 nm

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