KAUST aims to become a leader in wide-bandgap semiconductor research, recognizing the technology's crucial role in diversifying Saudi Arabia's economy. Compound semiconductors are highlighted as the second most used type after silicon because of their superior properties. KAUST President Dr. Tony F. Chan emphasized the strategic importance of semiconductors and their potential to transform Saudi Arabia's digital economy, manufacturing, and defense industries. Why it matters: This initiative signals Saudi Arabia's strategic interest in developing a local semiconductor industry, crucial for its AI ambitions and economic diversification goals.
KAUST researchers collaborated with TSMC to review the potential of 2D materials in overcoming silicon limitations for microchips. They find that while 2D materials show promise, performance degrades when using scalable fabrication techniques like chemical vapor deposition. 2D materials have been integrated into some commercial products like sensors, but high-integration-density circuits are still a challenge. Why it matters: This research highlights the ongoing efforts and remaining hurdles in utilizing novel materials to advance semiconductor technology in line with industry roadmaps.
KAUST Professor of Electrical Engineering Kazuhiro Ohkawa has been elected as a Fellow of the Japan Society of Applied Physics (JSAP). JSAP recognized Ohkawa for his contributions to the development of wide bandgap semiconductor epitaxial growth and optical devices. Ohkawa's research at KAUST focuses on energy-conversion phenomena for sustainability, including doping technologies, MOCVD for nitride semiconductors, and nitride photocatalysts. Why it matters: Recognition of KAUST faculty in international societies raises the university's profile and highlights its contributions to applied physics and sustainable energy research.
KAUST alumnus Nasir Alfaraj is conducting research at the University of Toronto, focusing on energy-efficient semiconductor technologies. His doctoral work at KAUST under Professor Boon S. Ooi explored deep-ultraviolet optoelectronics using wide-bandgap semiconductors. Alfaraj credits KAUST's interdisciplinary environment, facilities, and mentorship for shaping his research approach and preparing him for advanced roles. Why it matters: This highlights KAUST's role in training researchers who are contributing to semiconductor innovation, an area of strategic importance for Saudi Arabia's Vision 2030.
KAUST researchers demonstrated a new flash memory device design using gallium oxide, which can withstand harsh environments. In collaboration with the University of Michigan, KAUST researchers explained a key molecular event for the activation of an enzyme associated with cancer. The Summer 2023 issue of KAUST Discovery is now available. Why it matters: These research achievements highlight KAUST's contributions to advanced materials science and biomedical research, with potential applications in space technology and cancer treatment.
KAUST researchers developed a new methodology for high-resolution transmission electron microscopy (TEM) imaging of beam-sensitive materials. The method addresses challenges in acquiring images with low electron doses, aligning images, and determining defocus values. The processes incorporate two provisional patents and are applicable to aligning nanosized crystals and noisy images with periodic features. Why it matters: This advancement enables the study of delicate materials like MOFs at atomic resolution, with broad applications in materials science and nanotechnology.
KAUST researchers have integrated a hexagonal boron nitride sheet into CMOS microchips, creating a hybrid 2D-CMOS microchip. This integration leverages the electrical and thermal properties of 2D materials, resulting in circuits that are smaller, more energy-efficient, and have longer lifespans. The KAUST Imaging and Characterization Core Lab contributed to the observations in this study, which involved researchers from six countries. Why it matters: This achievement represents a significant advancement in microchip miniaturization and performance, potentially impacting various electronic applications.
KAUST researchers have fabricated and tested high-efficiency perovskite-silicon tandem solar cells optimized for hot climates. The tandem device is more stable than conventional perovskite cells and optimized for industry use. Outdoor testing at KAUST confirmed performance improvements, indicating bromide-lean perovskite top cells with narrower bandgaps are ideal. Why it matters: The research demonstrates the viability of tandem silicon-perovskite cells in harsh environments, paving the way for more efficient solar technology in the region and globally.