Studying the aging of Laponite suspensions using extensional rheology
The research conducted by Hayes and Smith in 2022 focused on studying the aging effects on Laponite suspensions using extensional rheology. The study revealed that samples of increased age exhibited stronger necking at the midpoint, indicating significant changes in their properties. By analyzing the break-up dynamics of these suspensions, the researchers were able to understand the thinning process driven solely by the motion of the particles, providing valuable insights into the behavior of these materials over time.
Giant Photoelasticity of Polaritons for Detection of Coherent Phonons
Kobecki et al. in 2022 explored the concept of giant photoelasticity of polaritons for detecting coherent phonons in a superlattice with quantum sensitivity. The study highlighted the crucial role of phonon-based quantum devices and the efficiency of phonon interactions in enhancing device functionality. By monitoring the generation and detection of phonon quanta through photonic techniques, the researchers demonstrated a novel approach to understanding and utilizing coherent phonons in a superlattice structure, paving the way for advanced quantum technologies.
Luminescence and Crystalline Properties of InGaN-based LED on Si Substrate
Alias et al. in 2021 presented research on the luminescence and crystalline properties of InGaN-based LEDs grown on silicon substrates using an AlN/GaN superlattice structure. The study successfully demonstrated crack-free InGaN-based LEDs, showcasing the potential for efficient light emission on Si substrates. By incorporating the AlN/GaN superlattice structure in the LED growth process, the researchers achieved improved crystalline properties and enhanced luminescence, offering new possibilities for Silicon-based LED technology.
Temperature-dependent Resistivity and Anomalous Hall Effect in NiMnSb
Wagenknecht et al. conducted a study in 2019 on the temperature-dependent resistivity and anomalous Hall effect in NiMnSb using first principles. The research utilized the alloy analogy model within relativistic density-functional theory to investigate the resistivity and Hall effect at nonzero temperatures. By calculating the contributions to conductivity and Hall conductivity, the researchers gained crucial insights into the behavior of NiMnSb under varying temperature conditions, shedding light on its electronic properties and anomalous behavior.
Exposing Latent Fingermarks on Problematic Metal Surfaces
Thandauthapani et al. in 2018 developed a method for exposing latent fingermarks on problematic metal surfaces using time-of-flight secondary ion mass spectrometry (TOF-SIMS). Fingermarks are valuable forensic evidence, and visualizing latent prints on challenging surfaces is essential for crime investigation. The researchers demonstrated the efficacy of TOF-SIMS in revealing latent fingermarks on metals, emphasizing the importance of selecting appropriate techniques for forensic analysis and crime-solving. This innovation opens new avenues for enhancing fingerprint analysis on difficult substrates.
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