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RSS, SESAME sign MoU with ICTP to develop scientific capacity in Synchrotron Applications
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Global warming can put billions at risk of malaria, dengue: Study
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Malaria and dengue predicted to affect billions more people if global warming continues uncurbed
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Malaria and dengue: 8 4 billion people could be at risk by the end of the century- estimates
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New Technique Could Shed Light on Nanoscale Phenomena
Written by AZoNanoMay 17 2021
Nowadays, several well-studied materials in numerous fields like catalysis and electronics are in the vicinity of reaching their practical limits.
(left) Schematic illustration of the technique. The stiffness of nanomaterials such as platinum (Pt) atomic chains can be measured using a length-extension resonator (LER) made with a quartz crystal. The atomic structure of the chain can be observed using a transmission electron microscope (TEM). We found that the atomic bond strength in the Pt monoatomic chains is 25 N/m, which is higher than the bulk value (20 N/m). (right) Experimental and simulated TEM images of a monoatomic Pt chain and time evolution of its electrical conductance and stiffness during stretching. The maximum strain was 24% on average. Image Credit: Yoshifumi Oshima.