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113學年材料所-第四週 專題研討課程 演講公告 (114年3月13日)

2025.03.06

題目: Quantum Materials for Next-Generation Electronics: Unraveling Nanoscale Stimulus-Response Dynamics

演講者: 劉懿德博士 (Dr. Yi-De Liou)
現職: 國立成功大學 物理系 博士後研究員
時間: 1140313(下午15:20~17:10
地點: 成功大學成功校區三系館 鋼構區(3F)共同教室A1302演講廳

演講摘要:

Quantum materials, including complex oxides, heterostructures, and 2D materials, exhibit diverse functional behaviors—such as multiferroicity, topologically stabilized textures, and reconfigurable electronic states—that arise from intricate couplings among electronic, structural, and magnetic degrees of freedom. These materials present unique opportunities for controlling phase transitions, tuning emergent properties, and engineering novel functionalities, yet the underlying mechanisms that govern their nanoscale dynamics and mesoscale evolution remain poorly understood.
This presentation explores an integrated experimental and computational approach to investigate stimulus-driven processes in quantum materials. Scanning probe microscopy (SPM) enables in-situ visualization of microstructure evolution, domain dynamics, and electronic/mechanical property variations in response to external stimuli. Complementary phase-field modeling provides a predictive framework to correlate local interactions with emergent phenomena, including domain wall motion, polarization switching, and topological transformations.
By bridging experimental observations with theoretical modeling, this work advances the understanding of how external perturbations drive functional transformations in quantum materials. The insights gained contribute to the design and control of quantum materials for high-speed, energy-efficient, and non-volatile applications. This presentation will also discuss future directions in exploring strongly correlated and low-dimensional systems, further expanding interdisciplinary approaches to emergent quantum phenomena.
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