Papers for IVEC 2021 are sought on the following topics:

1. Vacuum Electron Devices

• Traveling-wave devices (microwave and mmWave TWTs)  
• Backward-wave devices (oscillators and amplifiers)  
• Transit-time devices (klystrons, MBKs, EIOs/EIKs) 
• Inductive output devices (IOTs)  
• Crossed-field devices (e.g. magnetrons, oscillators and amplifiers)  
• Fast-wave devices (e.g. gyrotrons, oscillators and amplifiers)  
• Free electron lasers and masers, undulators  
• High-power microwave / RF directed energy devices  
• Triodes, tetrodes and pentodes
• Plasma filled amplifiers and oscillators  
• Novel spatially distributed electron beam devices  
• Novel mm-Wave and Terahertz amplifiers and oscillators    
• Plasma devices and thrusters  
• Power switches  
• Pulse compression devices

2. Emitter/Cathode Technologies and Emission Physics

• Thermionic emitters (e.g. directly heated emitters, dispenser cathodes, scandate emitters)
• Non-thermionic emitters (e.g. photocathodes, secondary emitters)
• Field emitters/arrays (e.g. SiC nanowires)
• Novel emitter materials and technologies (e.g. graphene)
• Novel cathode design, fabrication and characterization
• Accelerator emission physics (breakdown, halo, emittance)

3. Key Components, Tools, Technologies and new trends

• Key components (e.g. guns, couplers, severs, circuits, vacuum windows, collectors)
• Materials (e.g. dielectric and magnetic materials, coatings)
• Metamaterial structures and designs
• Analysis and computer modelling
• Simulation/design tools (PIC, multi-physics)
• RF breakdown
• Linearity, intermodulation and noise
• Thermal power management and control
• Components/devices miniaturization
• Advanced manufacturing technologies (e.g. additive manufacturing, laser ablation)
• Measurements techniques and diagnostics
• Sensors and detectors

4. Subsystems

• Microwave and mm-Wave power modules
• Linearizers
• Electronic power conditioners, modulators, and supplies
• Vacuum components and systems
• Amplifier and antenna interfaces
• Device and system integration
• System performance and reliability

5. Systems and Applications

• Wireless communication (e.g. future broadband technologies, THz wireless communication) 
• Electric propulsion
• Applications in medicine and industry 
• Particle accelerators 
• Nuclear fusion 
• Materials processing and lithography 
• Radar technologies and systems (e.g. space observation, long range radar) 
• Electronic countermeasures 
• High-power microwave systems 
• X-Ray imaging 
• Ultra-fast electron microscopy

6. Nano vacuum electronics 

• Emerging material and structure for cathode 
• Numerical simulation and modeling 
• Negative workfunction cathode 
• In-depth reliability study and aging mechanism 
• Circuit primitive and applications 
• Compact model