A5089951583- Topological Materials and Phenomena
- Graphene research and applications
- Advanced Sensor and Energy Harvesting Materials
- Muscle activation and electromyography studies
- Textile materials and evaluations
- Advanced Condensed Matter Physics
- Ammonia Synthesis and Nitrogen Reduction
- Quantum Mechanics and Non-Hermitian Physics
- Physics of Superconductivity and Magnetism
- 2D Materials and Applications
- Quantum and electron transport phenomena
- Electronic and Structural Properties of Oxides
- Tactile and Sensory Interactions
Soongsil University
2025
Korea Advanced Institute of Science and Technology
2022-2024
This study evaluates the mapping accuracy between textile stretch sensor data and surface electromyography (sEMG) signals using Multilayer Perceptron (MLP), Convolutional Neural Network (CNN), Residual (ResNet) models. Data from forearm, biceps brachii, triceps brachii were analyzed Root Mean Square Error (RMSE) R2 as performance metrics. ResNet achieved lowest RMSE (e.g., 0.1285 for brachii) highest (0.8372), outperforming CNN (RMSE: 0.1455; R2: 0.7639) MLP 0.1789; 0.6722). The residual...
This study investigates the use of surface electromyography (sEMG) sensors in measuring muscle activity and mapping it onto wearable textile stretch using a basic deep learning model, Multi-Layer Perceptron (MLP). Wearable are gaining attention for their ability to monitor physiological data while maintaining user comfort. A three-stage experimental approach was employed evaluate process. In first stage, impact applying low-pass finite impulse response (FIR) filter assessed by comparing...
Abstract Two-dimensional electrides can acquire topologically non-trivial phases due to intriguing interplay between the cationic atomic layers and anionic electron layers. However, experimental evidence of topological surface states has yet be verified. Here, via angle-resolved photoemission spectroscopy (ARPES) scanning tunnelling microscopy (STM), we probe magnetic Weyl ferromagnetic electride [Gd 2 C] 2+ ·2e − . In particular, presence cones Fermi-arc is demonstrated through photon...
We report the signature of a strain-controlled topological phase transition in electronic structure quasi-one-dimensional superconductor ${\mathrm{TaSe}}_{3}$. Using angle-resolved photoemission spectroscopy and first-principles calculation, ${\mathrm{TaSe}}_{3}$ is identified to be weak insulator which has topologically nontrivial surface states only at allowed planes. Under uniaxial tensile strain, Dirac point state emerge on originally forbidden $(10\overline{1})$ plane, demonstrates...
Rashba states have been actively revisited as a platform for advanced applications such spintronics and topological quantum computation. Yet, access to the state is restricted specific material sets, methodology control not established. Here, we report on (001) surface of KZnBi, 3D Dirac semimetal. Using angle-resolved photoemission spectroscopy first-principles calculations, investigated evolution under different conditions controlled by alkali metal deposition. We observed that restoring...