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 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.
Areej Aljarb is a Ph.D. student in material science and engineering at KAUST, researching 2D materials within the KAUST 2D Materials Research Lab under Professors Lain-Jong Li and Xixiang Zhang. Her research focuses on the controlled growth and fundamental phenomena of two-dimensional atomic layer thin materials, specifically controlling the orientation of 2D transition metal dichalcogenides (TMDs). Aljarb aims to achieve single-orientation epitaxial monolayer 2D TMDs to fully utilize the potential of these materials. Why it matters: This highlights KAUST's commitment to fostering local talent and contributing to advanced materials research with potential applications in various technology sectors.
KAUST researchers led by Dr. Muhammad Hussain have developed a flexible, transparent silicon-on-polymer based FinFET inspired by the folded architecture of the human brain's cortex. The team created a 3D FinFET on a flexible platform without compromising integration density or performance. They aim to demonstrate a fully flexible silicon-based computer by the end of the year. Why it matters: This research could lead to the development of ultra-mobile, foldable computers and integrated circuits, advancing the field of flexible electronics in the region.
KAUST has acquired a BM Pro plasma-enhanced chemical vapor deposition (PE-CVD) reactor from AIXTRON for wafer-scale deposition of graphene and carbon nanotubes. The reactor, capable of handling up to 4-inch substrates, will be used by Professor Pedro Da Costa's research team initially, before being opened up to other researchers at KAUST. AIXTRON's VP highlighted the system's uniformity, scalability, rapid heating, and plasma-based processing for growing graphene and nanotubes. Why it matters: This advanced tool enhances KAUST's research capabilities in carbon nanostructures, positioning the university as a leading center for materials science and nanotechnology research in the region.
KAUST postdoctoral fellow Ming-Hui Chiu, from the Physical Science and Engineering division, focuses on 2D material heterostructure synthesis and characterization utilizing chemical vapor deposition (CVD) technology. His research aims to develop and optimize CVD for transition metal dichalcogenides (TMDs) growth, which could replace silicon in sub-nm scale devices. Chiu values KAUST's resources, interactions with researchers, and work-life balance. Why it matters: This research contributes to the advancement of next-generation electronic devices using 2D materials, positioning KAUST as a hub for cutting-edge materials science.
A KAUST team led by Prof. Hussain published a paper in ACS Nano detailing their use of industry-compatible processes to create a flexible transistor with a bending radius of 0.5 mm. The transistor is constructed from a monocrystalline silicon-based substrate and uses a process that does not degrade device performance. The team's approach uses a network of trenches/holes and a back-etch process to create flexible electronics without compromising cost, yield, performance, and efficiency. Why it matters: This research paves the way for high-performance, portable electronics using silicon, a material already widely used in the electronics industry.
KAUST researchers have published a review paper in Science magazine covering memristor technology, comparing it to the original transistor. Dr. Mario Lanza is the lead author of the paper, which summarizes data supporting memristor technology readiness across materials and applications. The paper statistically shows the technical criteria for how memristors function in various configurations. Why it matters: Memristors could become the new switching technology standard, surpassing transistors in speed and operational efficiency, especially as current chip technology reaches its quantum limit in terms of size.