Dong Keun Han

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Total Citations

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About

Dong Keun Han is a leading materials scientist whose research focuses on the development of advanced smart materials, particularly magnetostrictive and shape-memory alloys. His major contributions center on the design and actuation of Ni-Mn-Ga-based composites, which exhibit giant magnetic field-induced strain (MFIS) through twin boundary rearrangement—a phenomenon critical for next-generation actuators and sensors. Han’s work addresses key challenges in the field, such as the brittleness and high cost of single-crystal Ni-Mn-Ga, by pioneering polycrystalline and laminate composite architectures that retain high performance while improving practicality. His 2023 study on magnetostrain-responsive Ni-Mn-Ga microparticles, which achieved out-of-plane actuation in laminate composites, has already garnered 5 citations, reflecting its immediate impact. Beyond this, Han’s broader portfolio includes numerous highly cited papers exploring the interplay between microstructure, magnetic properties, and mechanical behavior in multifunctional alloys. His research bridges fundamental materials science and engineering applications, offering scalable solutions for adaptive structures, energy harvesting, and precision motion control. Han’s work is widely recognized for its innovation and potential to transform industries reliant on compact, efficient actuation technologies.