Problem or Industrial Need
CNT concentration changes electrical and dielectric behaviour, but a contactless method is needed to assess how those changes alter microwave response.
Engineering or Scientific Solution
A free-space patch-antenna characterization method combining VNA measurements with finite-element electromagnetic analysis.
Sebastian's Technical Contribution
Performed experimental and numerical analysis of return-loss behaviour across reactive near-field, radiating near-field and far-field regions.
Methods and Tools Used
- Patch-antenna free-space measurements
- Vector network analyzer return-loss acquisition
- Antenna field-region analysis
- Finite-element electromagnetic modelling in CST
Prototype, Simulation and Experimental Evidence
Free-space RF measurements
CNT/epoxy specimens were evaluated using patch antennas and VNA acquisition.
Maxwell-equation model
Finite-element models connected electrical material properties with return-loss behaviour.
Nanoarchitectonics 2023
Peer-reviewed research article and reported experimental findings.
Measurable Result or Published Finding
Distinct field-region behaviour
The study reported CNT-dependent return-loss changes and agreement between experiment and numerical analysis.
Diagrams and Publications
Block diagram connecting excitation, interaction, measurement and interpretation.
A Free Space Microwave Characterization of CNT-Epoxy Based Nanocomposites Using Two Patch Antennas
Patch-antenna and VNA characterization of nanocomposite electromagnetic response across antenna field regions.
Role, Team Attribution, Institution and Project Context
Lead author and Doctoral Researcher; experimental investigation, formal analysis, software and writing.