Hacker News with Generative AI: Nanotechnology

Inverse Design of Complex Nanoparticle Heterostructures via DL on Graphs (chemrxiv.org)
Self-Assembly Trick Makes Transistors and Diodes (ieee.org)
Using liquid metal, scientists have devised a new way to make electronics that assemble themselves.
TSMC's N2 Technology (ieee.org)
TSMC described its next generation transistor technology this week at the IEEE International Electron Device Meeting (IEDM) in San Francisco. The N2, or 2-nanometer, technology is the semiconductor foundry giant’s first foray into a new transistor architecture, called nanosheet or gate-all-around.
Researchers discover new third class of magnetism (nottingham.ac.uk)
A new class of magnetism called altermagnetism has been imaged for the first time in a new study. The findings could lead to the development of new magnetic memory devices with the potential to increase operation speeds of up to a thousand times.
TSMC Lifts the Curtain on Nanosheet Transistors (ieee.org)
TSMC described its next generation transistor technology this week at the IEEE International Electron Device Meeting (IEDM) in San Francisco. The N2, or 2-nanometer, technology is the semiconductor foundry giant’s first foray into a new transistor architecture, called nanosheet or gate-all-around.
Shooting electrons at plastic to make microscopic features [video] (youtube.com)
Positioning single atoms with a scanning tunnelling microscope (1990) (nature.com)
SINCE its invention in the early 1980s by Binnig and Rohrer1,2, the scanning tunnelling microscope (STM) has provided images of surfaces and adsorbed atoms and molecules with unprecedented resolution.
Chinese researchers indicate diamonds can store data for millions of years (readwrite.com)
Research has suggested that diamond-based storage technology could preserve vast amounts of information for up to millions of years.
Lens breakthrough paves the way for ultrathin cameras (physicsworld.com)
A research team headed up at Seoul National University has pioneered an innovative metasurface-based folded lens system, paving the way for a new generation of slimline cameras for use in smartphones and augmented/virtual reality devices.
Tunable ultrasound propagation in microscale metamaterials (news.mit.edu)
A new study coauthored by Portela; Rachel Sun, Jet Lem, and Yun Kai of the MIT Department of Mechanical Engineering (MechE); and Washington DeLima of the U.S. Department of Energy Kansas City National Security Campus presents a design framework for controlling ultrasound wave propagation in microscopic acoustic metamaterials.
A “meta-optics” camera that is the size of a grain of salt (cacm.acm.org)
When it comes to cameras, size matters, but not in the way you think.
Ultraprecise method of aligning 3D semiconductor chips invented (techxplore.com)
Researchers at the University of Massachusetts Amherst have invented a new way to align 3D semiconductor chips by shining a laser through concentric metalenses patterned on the chips to produce a hologram.
Graphene and chitosan sponge 10x more efficient at removing gold from e-waste (phys.org)
A team of chemists and materials scientists at the National University of Singapore, working with colleagues from Manchester University, in the U.K., and Guangdong University of Technology, in China, has developed a type of sponge made of graphene oxide and chitosan, that can be used to extract gold from electronic waste.
Room temp chirality switching and detection in a helimagnetic MnAu2 thin film (nature.com)
Helimagnetic structures, in which the magnetic moments are spirally ordered, host an internal degree of freedom called chirality corresponding to the handedness of the helix.
Nanopillars create tiny openings in the nucleus without damaging cells (phys.org)
Imagine trying to poke a hole in the yolk of a raw egg without breaking the egg white. It sounds impossible, but researchers at the University of California San Diego have developed a technology that performs a similarly delicate task in living cells.
A carbon-nanotube-based tensor processing unit (nature.com)
The growth of data-intensive computing tasks requires processing units with higher performance and energy efficiency, but these requirements are increasingly difficult to achieve with conventional semiconductor technology.
Tailoring amorphous boron nitride for high-performance 2d electronics (nature.com)
Two-dimensional (2D) materials have garnered significant attention in recent years due to their atomically thin structure and unique electronic and optoelectronic properties.
Proxima Centauri: Coherent Picospacecraft Swarms over Interstellar Distances (nasa.gov)
Tiny gram-scale interstellar probes pushed by laser light are likely to be the only technology capable of reaching another star this century.
Quantum researchers cause controlled 'wobble' in the nucleus of a single atom (tudelft.nl)
Researchers from Delft University of Technology in The Netherlands have been able to initiate a controlled movement in the very heart of an atom.
Human genome stored on 'everlasting' memory crystal (southampton.ac.uk)
Scientists use magnetic nanotech to safely rewarm frozen tissues for transplant (phys.org)
Every day, people die waiting for an organ transplant. Time is at a premium, not just for those awaiting organs, but also for the organs themselves, which can deteriorate rapidly during transportation.
Scientists invent nanorobots that can repair brain aneurysms (livescience.com)
Image Is the Highest Resolution We've Ever Seen Atoms: ScienceAlert (sciencealert.com)
Scientists achieve more than 98% efficiency removing nanoplastics from water (showme.missouri.edu)
MIT engineers design tiny batteries for powering cell-sized robots (news.mit.edu)
Imec demonstrates logic and DRAM structures using High NA EUV Lithography (imec-int.com)
Nxylon: New super-black material made from wood (news.ubc.ca)
X-Ray Upgrade Can See Transistors in 3D (ieee.org)
Magnetic tunnel junction-based computational random-access memory (nature.com)
Low-Cost Method to Decompose PFAS Using LED Light and Semiconductor Nanocrystals (wiley.com)