In this research, a 14 nm high-performance computing application-specific integrated circuit was coated with a 5–20 nm Al2O3 thin film by atomic layer deposition in room-temperature conditions to study its performance in terms of reliability with different thicknesses. An open/short test, standby current measurement, interface input/output performance test, and phase-locked loops functional test were used to verify chip performance. Furthermore, an unbiased highly accelerated temperature and humidity stress test and a 72 h wear-out test were used to study the effects of the atomic layer deposition coating. The results showed that the coating thickness of 15 nm provided the best performance in the wear-out test, as well as the unbiased highly accelerated temperature humidity stress. This study demonstrates that room-temperature atomic layer deposition is a promising technique for enhancing the reliability of advanced node semiconductor chips.
Hydrogen is the alternative renewable energy source for addressing the energy crisis, global warming, and climate change. Hydrogen is mostly obtained in the industrial process by steam reforming of natural gas. In the present work, CuCrO2 particles were attached to the surfaces of electrospun CeO2 nanofibers to form CeO2-CuCrO2 nanofibers. However, the CuCrO2 particles did not readily adhere to the surfaces of the CeO2 nanofibers, so a trace amount of SiO2 was added to the surfaces to make them hydrophilic. After the SiO2 modification, the CeO2 nanofibers were immersed in Cu-Cr-O precursor and annealed in a vacuum atmosphere to form CeO2-CuCrO2 nanofibers. The CuCrO2, CeO2, and CeO2-CuCrO2 nanofibers were examined by X-ray diffraction analysis, transmission electron microscopy, field emission scanning electron microscopy, scanning transmission electron microscope, thermogravimetric analysis, and Brunauer–Emmett–Teller studies (BET). The BET surface area of the CeO2-CuCrO2 nanofibers was 15.06 m2/g. The CeO2-CuCrO2 nanofibers exhibited hydrogen generation rates of up to 1335.16 mL min−1 g-cat−1 at 773 K. Furthermore, the CeO2-CuCrO2 nanofibers produced more hydrogen at lower temperatures. The hydrogen generation performance of these CeO2-CuCrO2 nanofibers could be of great importance in industry and have an economic impact.
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