KAIST researchers imaged hafnium zirconium oxide memory films switching by two processes at once, with new polarized domains forming while existing ones grew. A model tying that picture to device electrical data offers a basis for tuning write speed and uniformity, though the account reports no switching times.
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Rice University researchers report 3D-nanoprinted mirror inserts that let a single objective run light sheet microscopy in most commercial sample chambers. That could spare labs a second objective or a specialized chamber, the two things Anna-Karin Gustavsson says the technique typically required.
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Researchers led by the University of Göttingen report in Nano Letters that self-blinking dyes let nanobody labels work in single-molecule microscopy. The team says the pairing keeps the probes' labelling accuracy while making super-resolution imaging simpler and more reproducible.
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Institute of Science Tokyo chemists used light at 90 degrees to show that a helicity-dependent photocurrent in 2D perovskites comes from the crystal bulk. Mirror-image crystals reportedly send the current the other way, so molecular handedness can set its direction.
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Aharonov-Bohm oscillations have been read as evidence that current runs on a topological insulator's surface. A Korean group reports an ordinary layer just beneath it does the same thing, which is what makes the signal beat.
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A Science Tokyo team reports singlet exciton transport more than an order of magnitude past the 5-20 nm norm for organic semiconductors. The plasmonic bonus depends on how the fibers are laid down.
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