Dear Colleagues,

The development of new technologies and new design solutions enabled the presence of electronic systems, even in areas characterized by extreme working conditions, opening the way to unexplored fields of applications. By “harsh environment”, we mean the set of ambient conditions far from the standard ones usually considered during the design of conventional electronic systems, in terms of temperature, pressure, ionizing radiation, electromagnetic interference and radiation, chemical contamination, mechanical stress, moisture, etc. Space electronics represent a solid example where the designers need to implement different solutions at physical, circuit, architecture, and software levels to preserve performance in the presence of radiations and high temperature. Countless applications also exist on Earth where electronics need to face harsh environments. By considering possible extreme temperature ranges (well beyond commercial, industrial, or military ranges), we can sweep from few tens of mK, as for cryogenic electronics for quantum computing and physics experiments, to very high temperature electronics for industrial applications, drilling rigs, and electric engines. The human body represents another environment where safety issues dictate severe limitations for power dissipation and electromagnetic emissions of implantable and wearable medical devices. In some of these contexts, research of new technologies based on alternative materials represents the only viable way to match the strict requirements dictated by extreme working conditions. However, CMOS electronic systems capable of working beyond the certified ranges of the commercial technology processes remain attractive for large-scale integration. Within the aim of this Special Issue, the topics of interest include, but are not limited to, the following:

• Wide-bandgap semiconductors and two-dimensional materials for electronic devices;
• Digital and analog techniques to improve the robustness and the lifetime of electronic systems;
• Smart-sensing systems for the monitoring of extreme environmental conditions;
• Power management systems capable of working in extreme conditions;
• RF communications in harsh environments.

Dr. Alessandro Catania
Prof. Dr. Giuseppe Iannaccone
Guest Editors

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• device modeling and characterization
• emerging technologies
• cryogenics electronics
• high-temperature electronics
• implantable and wearable devices
• electronics for space explorations
• radiation-hard systems, circuits, and technologies
• physical and chemical sensing systems for extreme environments