Hae-Yeon Lee

ORCID: 0009-0004-9020-0803
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About
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Research Areas
  • ZnO doping and properties
  • Gas Sensing Nanomaterials and Sensors
  • Electrochemical Analysis and Applications
  • Semiconductor materials and interfaces
  • Advanced Surface Polishing Techniques
  • Quantum Dots Synthesis And Properties
  • Solar-Powered Water Purification Methods
  • Metallic Glasses and Amorphous Alloys
  • Electrocatalysts for Energy Conversion
  • Anodic Oxide Films and Nanostructures
  • Magnetic and transport properties of perovskites and related materials
  • Magnetic properties of thin films
  • Nanocluster Synthesis and Applications
  • 2D Materials and Applications

Massachusetts Institute of Technology
2020

Korea Advanced Institute of Science and Technology
2019

Spin–orbit torque facilitates efficient magnetisation switching via an in-plane current in perpendicularly magnetised heavy-metal/ferromagnet heterostructures. The efficiency of spin–orbit-torque-induced is determined by the charge-to-spin conversion arising from either bulk or interfacial spin–orbit interactions both. Here, we demonstrate that and resultant Pt/CoFeB systems are significantly enhanced modification involving Ti insertion between Pt CoFeB layers. Spin pumping X-ray magnetic...

10.1063/1.5084201 article EN cc-by APL Materials 2019-03-01

The exploration of unconventional catalysts for the vapor-liquid-solid synthesis one-dimensional materials promises to yield new morphologies and functionality. Here, we show, model ZnO system, that unusual nanostructures can be produced via a semiconductor (Ge) catalyst. As well as usual straight nanowires, describe two other distinct morphologies: twisted nanowires nanotubes. nanotubes show large hollow cores surprisingly high twisting rates, up 9°/μm, cannot easily explained through...

10.1088/1361-6528/abc452 article EN Nanotechnology 2020-10-23

The varied heating temperatures were used for magnetic core materials, which nano sized crystalline was created in nanocrystalline Fe-Si-B-Nb-Cu with hish permeability and low power loss. highest lowest loss obtained to the specimen heat-treated at . signal transmission characteristics of inductive coupler, manufactured by using materials prepared this study, frequency range, influenced strongly property as result is corresponding a function heat treatment temperature, well, it improved...

10.4283/jkms.2006.16.6.300 article EN Journal of the Korean Magnetics Society 2006-12-31

The synthesis of metal nanoparticles (NPs) on two-dimensional (2D) materials opens up the possibility novel functional composite nanostructures for many technological applications ranging from catalysis [1,2] to nanoelectronic devices [3].The interface between NPs and 2D material has a crucial role in determining enhanced catalytic performance tunable optical electrical properties that can be achieved using metal-2D heterostructures.Tremendous progress been made synthesizing ultrathin...

10.1017/s1431927620022096 article EN Microscopy and Microanalysis 2020-07-30
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