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QLEDs â light-emitting diodes that rely on nanocrystals called quantum dots â are usually made with toxic heavy metals. A strategy has been developed to make QLEDs with a performance comparable to that of commercially available technologies but using a more environmentally friendly alloy of zinc, selenium, telluriu
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Efficiency-optimized relativistic plasma harmonics for extreme fields
4+ mon, 2+ week ago (1693+ words) Second, over the last decade, advances in PW-class lasers have made increasingly shorter pulse durations ( An experiment to investigate the near-time contrast limits for efficient SHHG generation on PW-class laser systems was performed at the Central Laser Facility at the…...
Operational Markov matrix formulation for structures in continuum plasma models - Scientific Reports
5+ mon, 1+ day ago (460+ words) Scientific Reports, Article number: (2026) Cite this article Data that support the findings of this study have been submitted for journal’s reference. Also, The data that support the plots and findings of this paper are available from the corresponding author on…...
Pilot and testbed facilities: when the lab scale may not be enough - Communications Engineering
6+ mon, 5+ day ago (816+ words) Testbed and pilot facilities allow studies in real-world conditions—especially when scale matters. They often bring together universities and industry partners across borders, creating a space where collaboration thrives. In this Viewpoint, we highlight some of the unique perks of…...
AIs are biased toward some Indian castes — how can researchers fix this?
8+ mon, 1+ hour ago (490+ words) Popular artificial-intelligence (AI) models often reproduce harmful stereotypes about Indian castes, find several studies that used specific tools designed to detect ‘caste bias’ in large language models (LLMs). Researchers say such tools are the first step towards addressing the problem,…...
Electro-driven direct lithium extraction from geothermal brines to generate battery-grade lithium hydroxide
8+ mon, 5+ day ago (1621+ words) A electro membrane or electrodialysis or B Electrosorption or electrochemical ion pumping. CEM and AEM represent cation exchange membrane and anion exchange membrane, respectively. The capacitive response caused by the voltage application across the electrodes results in increased lithium surface…...
Development rule of ground fissure and mine ground pressure in shallow burial and thin bedrock mining area
8+ mon, 2+ week ago (1775+ words) On the basis of key layer control theory and the deformation characteristics of the overlying strata during the initial mining period21, a model study was conducted on the deformation of the overlying strata during the specific stage of the initial mining…...
Ethically sourced image data set encourages fairness in AI research
10+ mon, 1+ day ago (315+ words) Walter J. Scheirer is in the Department of Computer Science and Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA. Deng, J. et al. in Proc. IEEE Conf. Comput. Vis. Pattern Recognit. 248–255 (IEEE, 2009). Russakovsky, O. et al. Int. J. Comput. Vis. 115, 211–252 (2015). Krizhevsky,…...