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Metal oxides, once a scientific curiosity, 1 have evolved into a transformative technology for modern electronics. 24]567 The ability of metal oxides to deliver semiconducting channels in thin-film transistors (TFTs) over large-area substrates with enhanced performance has propelled them from a mere curiosity to an enabling technology for a continuously expanding range of applications.The flat panel display industry is a prime example of the pivotal role played by metal oxide TFTs, offering numerous attractive attributes absent from competing technologies. 2,8,9 Recent efforts have been focused on new semiconducting and dielectric materials, with the primary goal of enhancing the device's field-effect mobility and operational stability.However, the emergence of oxide-based resistive switching devices has opened up exciting new avenues of research, extending the application space to memory and memristive devices for neuromorphic computing applications. 10,11etal oxides stand out in the field of thin film electronics due to their unique physical attributes.Their optical transparency, ecofriendly nature, and compatibility with energy-efficient manufacturing techniques set them apart from other technologies.These characteristics are gaining increasing importance in light of the harmful environmental effects of the traditional semiconductor industry.To this end, metal oxides offer the potential for a shift toward more environmentally responsible products that can help reduce society's dependence on incumbent technologies, promising to revolutionize our fast-paced, high-tech world.This special topic in Applied Physics Letters attempts to capture the latest developments in metal oxide-based materials and their applications in the broader field of electronics.It covers the research and exploration of functional materials, cutting-edge manufacturing techniques, advanced device designs, and a plethora of applications.The key highlights from different contributions to this special issue are organized based on their specific area of research:
Anthopoulos et al. (Mon,) studied this question.