Pohang University of Science and Technology · Materials Science
Professor Jun Sung Kim's research lab specializes in the design and application of two-dimensional and van der Waals heterostructures for next-generation spintronic and optoelectronic devices. The lab focuses on leveraging atomically thin materials, particularly topological insulators and transition metal dichalcogenides, to achieve efficient spin-orbit torque and enhanced fluorescence for advanced imaging and sensing. A key research direction involves engineering heterostructures with atomically sharp interfaces to minimize current leakage and maximize charge-to-spin conversion efficiency at room temperature. The lab also explores multimodal nanoprobes for biomedical diagnostics and cell tracking, integrating nanomaterials with optical and magnetic functionalities.
Figures are computed from collected data and may differ slightly.
This multimodal nanoprobe with enhanced fluorescence may provide a useful tool for imaging diagnostics and cell tracking.
All-Van der Waals (vdW)-material-based heterostructures with atomically sharp interfaces offer a versatile platform for high-performing spintronic functionalities at room temperature. One of the key components is vdW topological insulators (TIs), which can produce a strong spin-orbit-torque (SOT) through the spin-momentum locking of their topological surface state (TSS). However, the relatively low conductance of the TSS introduces a current leakage problem through the bulk states of the TI or t
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