Search

This study introduces a novel method for achieving highly ordered‐crystalline In2‐xGaxO3 [0 ≤ x ≤ 0.6] thin films on Si substrates at 250 °C using plasma‐enhanced atomic‐layer‐deposition (PEALD) with dual seed crystal layers (SCLs) of γ‐Al2O3 and ZnO. Field‐effect transistors (FETs) with random polycrystalline In2‐xGaxO3 channels (grown without SCLs) show a mobility (µFE) of 85.1 cm2 V−1s−1, attributed to high indium content. In contrast, FETs with highly ordered In2‐xGaxO3 grown via SCLs exhibit superior performance, with µFE reaching 95.5 cm2 VV−1s−1 and enhanced reliability due to the uniform growth of high‐quality bixbyite films. The role of γ‐Al2O3 and ZnO SCLs in enabling this growth and the correlation between cation composition, crystalline structure, and electrical properties are comprehensively analyzed. This approach provides new insights into the high‐quality bixbyite In2‐xGaxO3 system, offering an alternative to conventional amorphous or polycrystalline structures. The highly ordered crystalline structure paves the way for advanced applications in 3D heterogeneous semiconductor chips, expanding beyond displays to include memory, logic, and artificial intelligence devices. [ABSTRACT FROM AUTHOR]

Hemorrhagic shock is a common cause of death in emergency rooms. Since the symptoms of hemorrhagic shock occur after shock has considerably progressed, it is difficult to diagnose shock early. The purpose of this study was to improve early diagnosis of hemorrhagic shock using a survival prediction model in rats. We measured ECG, blood pressure, respiration and temperature in 45 Sprague-Dawley rats, and then obtained a logistic regression equation predicting survival rates. Area under the ROC curves was 0.99. The Hosmer-Lemeshow goodness-of-fit chi-square was 0.86 (degree of freedom=8, p=0.999). Applying the determined optimal boundary value of 0.25, the accuracy of survival prediction was 94.7%.

Hemorrhagic shock is a common cause of death in emergency rooms. The objective evaluation of hemorrhagic shock is very important for early diagnosis and treatment. The purpose of this study is to understand its mechanism by analyzing the changes of bio-signals in hemorrhagic shock using controlled hemorrhage of Sprague-Dawley rats. We constructed an integrated system to be able to control bleeding and to simultaneously measure bio-signals such as ECG, blood pressure, temperature, and respiration. In order to verify the system, we measured the bio-signals mentioned above while hemorrhagic shock was induced by withdrawing blood (2.5 ml / 100 g / 15 min) from a femoral vein for 10 rats.