Today's Tech News: Notable or Not?

https://www.eurekalert.org/news-releases/1063611 "thermoplastic base material polylactic acid produced from sugar cane or corn... copolymers formed during production facilitates mixing forming stable (stereo)-crystalline layers at interfaces... 50% blends polylactic acid/ polyvinylidene fluoride... 200–300 nm thick stereocomplex crystals layer at interfaces, increasing stability/ crystallisation temperature... nucleation at interface accelerates crystallisation... elongation at break increases up to 250 %... high-performance polymer blends"

https://interestingengineering.com/science/data-storage-phase-change-memory-advances "instead of energy intensive melt-quench process… amorphous phase: atoms randomly arranged… ferroelectric property allows it to polarize spontaneously, piezoelectric nature generates electric current as response to mechanical stress, rapidly deforming it… electric current causes tiny sections to begin amortizing, making unstable, deforming… as distorted regions collide, sound waves generate, resulting in more deformation/ amorphous areas, enabling low-power data storage”

https://www.eurekalert.org/news-releases/1063844 "non-contact, full-field measurements... deep learning, color fringes, geometric constraints, frequency domain multiplexing in single-shot... digital micromirror high temporal resolution/ frequency-domain multiplexing breaks sensor frame rate limitations... order magnitude-higher 3D frame rate with low-speed cameras... multiplexed image high-fidelity decoupling into original... 9X faster frame rate... low cost/ power, reduced bandwidth/memory requirements...  industrial inspection, biomedicine, solid mechanics"

https://www.buffalo.edu/provost/messages.host.html/content/shared/university/news/news-center-releases/2024/11/flame-aerosol-nanoparticles-studies.detail.html "faster, cost effective, easy-to-use... control flame, nanoparticle size/ distribution, cost... MOFs with lower porosity but small grain size, short-range ordered structures, high thermal stability, 1-step creation... circumvents thermodynamic barriers allowing mixing 2 metal elements into single MOF... create high-entropy ceramic nanoparticles incorporating up to 22 elements... MOFs, inks, air filters, catalysis, sensing, energy storage"

https://www.eurekalert.org/news-releases/1063641 "μm/ nm -scale aluminum nitride mechanical resonators oscillate at much higher frequencies for long times without losing energy., sensing minuscule forces/ mass changes... tensile-stressed (1GPa) 295 nm silicon nitride with functional material on top, maintaining dissipation dilution boost mechanical factor >10 million... direct readout in sensing applications, also interfacing mechanical/ electric degrees of freedom for quantum information transduction... maintains single quantum coherent oscillation at room temperature"

https://www.eurekalert.org/news-releases/1063729 "rare earth trihydride lutetium in combination with hydrogen/ nitrogen... but now, replacing lutetium with yttrium/ scandium even better: -100°F, future: ambient pressure/ room temperatures... power grid, motors, magnetically levitated trains"

https://www.eurekalert.org/news-releases/1063701   "as devices shrink, managing heat becomes paramount... Matthiessen’s rule, validated in ultra-thin copper films, predict how different scattering processes influence electron flow... hermoreflectance measurement of copper's thermal conductivity cross-checked with electrical resistivity... less energy lost to heat...  CMOS technology... high-end gaming consoles, AI-driven data centers"

https://www.eurekalert.org/news-releases/1063525   "overcoming Boltzmann tyranny: silicon semiconductor limits prevent transistors from operating below certain voltage, by leveraging quantum mechanics... 3D transistor using ultrathin semiconductors with vertical nanowires operating efficiently at low voltages... potential to replace silicon... semiconductors: gallium antimonide, indium arsenide, leveraging quantum tunneling transistors encouraging electrons to push through (not over) energy barrier... performs 20X better than similar tunneling transistors"

https://www.eurekalert.org/news-releases/1063615 "nanosecond-laser-irradiated cantilevered scanning near-field optical atomic force microscopy probe tip...  writing  nanostructures on Au nanofilm without  mask or vacuum... 83.6 nm minimum linewidth,  167.8 ± 6.6 nm repeatable linewidth on Au nano-film... elliptical heat distribution generated different linewidths when tip scanned vertically/ horizontally... Au nanofilm melting instead of oxidation... high-temperature underneath tip, providing nano energy source for high-resolution... nanolithography, nanowelding"

https://www.sciencedaily.com/releases/2024/10/241003221524.htm "ligands attached to quantum dot surface must be replaced to utilize in solar cells, but crumples quantum dot surface, solved using short amphiphilic ligands securely holding quantum dots from both sides... efficiency increased to 15.3%, stability increased (maintaining 83% of performance for 15 days), lifetime inceased... easy to mass-produce"

https://thequantuminsider.com/2024/10/10/researchers-demonstrate-new-type-of-superconductivity/ "explained by topological gauge theory... under high magnetic fields superconductivity gets destroyed by proliferation of vortices but not by breaking superconducting Cooper pairs... dissipationless behavior upon the applied currents and electromagnetic fields... enhances quantum computing/ electronic device performance by minimizing energy losses... electric Coulomb field creation by moving novel vortices... normal core absence in novel kind of vortices enables movement without energy dissipation"

https://spinoff.nasa.gov/3D_Printed_Engines_Propel_Next_Industrial_Revolution "Reactive Additive Manufacturing: infusing aluminum alloys with particles of other materials to make amenable to additive manufacturing... aluminum alloy powder for large-scale printing... strong without requiring heat treatment, wear resistance, thermal conductivity, temperature tolerance, scratch-resistant... 3D printing allows for designs that are otherwise impossible... rocket engines, large satellite components, cars, lighting fixtures, computer chips"

https://www.researchgate.net/publication/261716759_LTA-CAES_-_A_low-temperature_approach_to_Adiabatic_Compressed_Air_Energy_Storage "most thermal energy storage requires high temperatures/ high pressures... multistage radial compressors and expanders with single stages rotating with different speeds allowing for intermediate air flowcooling and reheating... roundtrip efficiencies 52–60%, slightly lower compared to those envisioned for high temperature A-CAES. However, it can be shown in an economic analysis that its fast start-up characteristics and wide-ranging part load ability overcompensates the lower cycle efficiencies with regard to plant profitability"

https://www.perovskite-info.com/highly-passivated-topcon-bottom-cells-show-significant-potential "high open-circuit voltages, excellent efficiencies... on industrial textured wafers via industry-compatible ambient-pressure thermal oxidation in situ plasma-enhanced chemical vapor deposition... optimizing oxidation, boron in-diffusion, aluminum oxide hydrogenation, for passivation quality... 715 mV implied VOC(iVOC)... integrating bottom cells with perovskite top cells achieves  1,9 VOC, 28.2% PCE... tandem devices... future: commercialization"

https://www.voxelmatters.com/new-dynamic-interface-printing-shows-promise-for-volumetric-bioprinting/ "resolution, speed, material compatibility, not requiring intricate support structures/ specialized chemical environments... constrained air-liquid interface/ modulated light... hollow print head, open at bottom/ capped with transparent glass window enabling printing interface control... print head submerged in liquid polymer traps air bubble forming air-liquid meniscus at head’s end where structures formed by visible light projected through glass... acoustic modulation... regenerative medicine, tissue engineering, high-speed prototyping"

https://environmentenergyleader.com/stories/sustainable-3d-printed-concrete-breakthrough-from-uva-engineers,55803   "graphene boosts concrete strength 23%, limestone/ calcined clay cement reduces carbon emissions 31%...  partnership with VTRC allowed the UVA team to explore the material’s potential in transportation infrastructure, offering insight into real-world applications... the VTRC collaboration was essential in uncovering the fundamental properties of this new concrete"ted Related: Impact printing is a cement-free alternative to 3D-printed structures https://arstechnica.com/science/2024/10/impact-printing-is-a-cement-free-alternative-to-3d-printed-structures/

https://www.gla.ac.uk/news/headline_1122851_en.html "high performance cathode despite <10% carbon, rapid charging, cheaper/ easier manufacture... 125 mAh per gram, close to 127 maximum theoretical capacity... layered nature of the material allows potassium ions to travel more easily between the layers during charge and discharge, allows the battery to maintain 85% of its capacity in lab conditions even when charged and discharged at high speed...stationary storage... future: identify an electrolyte delivering improved performance in future refinements of the battery’s design"

https://www.prnewswire.com/news-releases/sinopoly-next-generation-60ah-plastic-prismatic-lfp-battery-2024-a-breakthrough-in-battery-technology-302293992.html "overcomes safety, temperature control challenges... water-based LFP positive electrode supports maximum instantaneous discharge rate up to 10C, continuous rate 5C, supports 3C fast charging without compromising safety/ lifespan... fine-tuned battery separator's thickness/ porosity further supports quick energy flow/ heat management... continuous discharge at 2C (3C), even at -40°C, maintaining 90% capacity... efficient heat dissipation... eco-friendly water-based production process"