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Nanophysics news
A simple, scalable method using light to 3D print helical nanostructures
A new fabrication process for helical metal nanoparticles provides a simpler, cheaper way to rapidly produce a material essential for biomedical and optical devices, according to a study by University of Michigan researchers.
Nanophysics
14 hours ago
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102
Eyes on the impossible: First near-field, subwavelength thermal radiation measurement
Nanodevices change the way we diagnose disease, process food and water, and store renewable energy. But to keep up with next-generation technology, researchers need to understand the fundamental principles that prompt their ...
Nanophysics
14 hours ago
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92
Researchers achieve >99% photoluminescence quantum yield in metal nanoclusters
A research team has achieved near-unity room-temperature photoluminescence quantum yield (PLQY) (>99%) in the near-infrared (NIR) emission of metal nanoclusters in solution. Their work is published in Science.
Nanophysics
17 hours ago
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Printed polymer allows researchers to explore chirality and spin interactions at room temperature
A printable organic polymer that assembles into chiral structures when printed has enabled researchers to reliably measure the amount of charge produced in spin-to-charge conversion within a spintronic material at room temperature. ...
Nanophysics
Mar 15, 2024
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117
Driving photochemistry with sub-molecular precision
Absorption of light initiates many natural and artificial chemical processes, for example, photosynthesis in plants, human vision, or even 3D printing. Until now, it seemed impossible to control a light-driven chemical reaction ...
Boosted exciton mobility approaching the Mott-Ioffe-Regel limit in a 2D Ruddlesden-Popper perovskite
A study, published in Nature Communications and led by Prof. Liu Xinfeng from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS), recently reported an enhancement in exciton ...
Nanophysics
Mar 15, 2024
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New electron microscopy technique for thermal diffusion measurements
A NIMS research team has developed a technique that enables the nanoscale observation of heat propagation paths and behavior within material specimens. This was achieved using a scanning transmission electron microscope (STEM) ...
Nanophysics
Mar 15, 2024
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Ultrablack thin-film coating could make next-gen telescopes even better
Sometimes, seeing clearly requires complete black. For astronomy and precision optics, coating devices in black paint can cut down on stray light, enhancing images and boosting performance. For the most advanced telescopes ...
Nanophysics
Mar 12, 2024
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92
Newly developed nano-thermometers enable real-time temperature detection in transmission electron microscopy
A method for measuring the temperature of nanometer-sized samples within a transmission electron microscope (TEM) has been developed by Professor Oh-Hoon Kwon and his research team in the Department of Chemistry at UNIST.
Nanophysics
Mar 7, 2024
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63
Selective operation of enhancement and depletion modes of nanoscale field-effect transistors
Nanoscale transistors are in demand for efficient digital circuits, and biasing of each device is critical. These stringent biasing conditions can be relaxed by obtaining precise values of the threshold voltages of the transistor. ...
Nanophysics
Mar 6, 2024
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New nano-microscope enables simultaneous measurement of nano-composite material properties
The Korea Research Institute of Standards and Science (KRISS) has developed a hybrid nano-microscope capable of simultaneously measuring various nano-material properties. This nano-microscope is essential for researching ...
Nanophysics
Mar 6, 2024
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Nanodevices can produce energy from evaporating tap or seawater
Evaporation is a natural process so ubiquitous that most of us take it for granted. In fact, roughly half of the solar energy that reaches the Earth drives evaporative processes. Since 2017, researchers have been working ...
Nanophysics
Mar 6, 2024
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61
Using light to precisely control single-molecule devices
In a new Nature Communications study, Columbia Engineering researchers report that they have built highly conductive, tunable single-molecule devices in which the molecule is attached to leads by using direct metal-metal ...
Nanophysics
Mar 5, 2024
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51
Micro mirage: Researchers fabricate the world's smallest QR code using infrared information carrier
Credit cards embedded chips, national mints printed watermarks, and high-profile locations installed retina scanners all for the same reason—to protect information. As attackers grow smarter, so must defense.
Nanophysics
Mar 4, 2024
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Researchers demonstrate 3D nanoscale optical disk memory with petabit capacity
The most popular words of 2023 were recently released, with AI Large Language Model (LLM) unquestionably topping the list. As a front-runner, ChatGPT also emerged as one of the international buzzwords of the year. These disruptive ...
Nanophysics
Mar 2, 2024
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111
New class of 2D material displays stable charge density wave at room temperature
Quantum materials have generated considerable interest for computing applications in the past several decades, but non-trivial quantum properties—like superconductivity or magnetic spin—remain in fragile states.
Nanophysics
Mar 1, 2024
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113
Producing quantum materials with precision, with the help of AI
A team of NUS researchers led by Associate Professor Lu Jiong from the Department of Chemistry and Institute for Functional Intelligent Materials, together with their international collaborators, have developed a novel concept ...
Nanophysics
Mar 1, 2024
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73
It's not only opposites that attract: New study shows like-charged particles can come together
"Opposites charges attract; like charges repel" is a fundamental principle of basic physics. But a new study from Oxford University, published today in Nature Nanotechnology, has demonstrated that similarly charged particles ...
Nanophysics
Mar 1, 2024
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Magnetizing water drops to make them hop
A small combined team of material scientists from Sun Yat-sen University and Dalian University of Technology, both in China, has found that it is possible to make a single drop of water hop in desired ways by putting a magnetic ...
Nanocrystals set new hydrogen production activity record under visible and near-infrared irradiation
The sunlight received by Earth is a mixed bag of wavelengths ranging from ultraviolet to visible to infrared. Each wavelength carries inherent energy that, if effectively harnessed, holds great potential to facilitate solar ...
Nanophysics
Feb 27, 2024
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