WebDiscovery of temperature-induced stability reversal in perovskites using high-throughput robotic learning Yicheng Zhao, Jiyun Zhang, Zhengwei Xu, Shijing Sun, Stefan Langner, ... of A-site cation on the stability of perovskite materials and devices is derived from accelerated ageing tests at high temperature, which is beyond normal operation ... WebJul 15, 2024 · We discovered strong electronic evidence of a temperature-induced Lifshitz transition in HfTe 5. Like ZrTe 5 [48] , with decreasing temperature, HfTe 5 undergoes an electronic state transition from a p-type-semimetal to a semiconductor, and finally to an n-type-semimetal.

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WebSep 5, 2024 · For a supertall structure, the temperature effect is an important factor that must be considered during the design, construction, and performance assessment. In this article, temperature-induced ... WebMar 16, 2024 · NASA Detects Lattice Confinement Fusion. A team of NASA researchers seeking a new energy source for deep-space exploration missions, recently revealed a method for triggering nuclear fusion in the … First, we utilize a high-throughput robot (HTRobot) system coupled with machine learning to assess the photothermal stability of mixed-cation perovskites under different ageing conditions. The crystal structure of the ABX3 perovskite is shown in Fig. 1a, where A denotes a monovalent cation, B denotes lead, and … See more The figure-of-merit for stability assessment is denoted T80 = 0.2/\(k_{{\mathrm{dec}}}\) and is obtained by the linear fitting of Eq. (1): where A is the absorbance (normalized to 1), t is … See more To elucidate the possible origin of the stability-reversal behavior, we performed first-principles calculations for multi-cation perovskites. Since the decomposition rate can be transformed … See more Combining phase stability with photo/thermal stability, the incorporation of appropriate MA with Cs/Rb/K (<5 mol.%) would maximize the device stability of FAPbI3-based perovskite solar cells (PSCs). We … See more ls2 of601