Kanghyun Chu

Scanning probe microscopy

Phase field simulation

Ferroelectrics

Piezoelectrics

Nov. 2022-Visiting researcher, HES-SO/HEIG-Vd/IICT

• Markov chains and self-similar processes
• Machine learning

Sep. 2018 – Feb. 2022Postdoctoral researcher, Institute of Materials, EPFL

• Nanoscale visualization of relaxor ferroelectric systems
• Phase field modeling of relaxor ferroelectrics
• Cryogenic PFM imaging

Mar. 2017 – Aug. 2018Postdoctoral researcher, College of Natural Science, KAIST

• Exploring topological structures caused by flexoelectric effect in ferroelectric thin film system
• Epitaxial thin film growth based on the pulsed laser deposition technique and free stafree-standingnding thin film fabrication

Sep. 2009 – Feb. 2017Integrated master’s and doctoral degree program, Department of Physics, KAIST

• Developing the angle-resolved piezoresponse force microscopy technique – Visualization of ferroelectric polarization vector field by integrating multiple scan images
• Super user of an atomic force microscope – Multimode V, Bruker
• Phase field modeling of phase interface region subject to large strain gradients
• Investigating non-linear flexoelectric phenomena arising in non-centrosymmetric systems
• Collaboration with four other laboratories in the study of anisotropic photocurrent enhancement in bismuth ferrite thin films
• Organizer of the 5th BK21 Young Physicists Workshop, KAIST ~150 participants (12-13 Jan. 2012)
• Joined in the lab as an initial member and involved in the installation of basic equipment

Jan. 2009 – Mar. 2007Master’s course, Department of Mechanical Engineering

• Designing acoustic metamaterial. Manipulating the acoustic bandgap and defect transmission mode of acoustic crystals
• Simulation study on the finite-sized quasi-periodic system
• Multichannel signal processing for beamforming and acoustic holography
• Participated in revision of Sound Propagation – An Impedance Based Approach written by Prof. Yang-Hann Kim