Directivity to improve optical devices

09.11. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

A team of researchers from the Dutch institute AMOLF, Western University (Canada), and the University of Texas (United States of America) recently demonstrated the use of algorithmic design to create a new type of nanophotonic structure. This is good news for researchers in optical quantum computing and photovoltaics, because the structure greatly improves the directivity of nanoscale emitters (in light emitting diodes, or single photon sources) and absorbers (in solar cells or photodetectors). The researchers published their findings in Nature Communications on November 9th, 2018.

Highly secure physically unclonable cryptographic primitives based on interfacial magnetic anisotropy

02.11. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

In a step forward for information security for the Internet of Things, a team of researchers has published a new paper in the online edition of Nano Letters in which they have engineered a new type of physically unclonable function (PUF) based on interfacial magnetic anisotropy energy (IAE). This PUF utilizes the random distribution of magnetization orientation of each device, which originates from the sub-nanometer variation of oxide layer produced by the thinning process.

Flexy, flat and functional magnets

31.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

In the nanoworld, magnetism has proven to be truly surprising. Magnetic 2-D materials just a few atoms thick could provide a substrate for ever-smaller post-silicon electronics. An international research team led by Park Je-Geun at the Center for Correlated Electron Systems, within the Institute for Basic Science (IBS), has just published a Perspective Review paper in Nature presenting the latest achievements and future potential of 2-D magnetic van der Waals (vdW) materials, which were unknown until six years ago and have recently attracted worldwide attention.

Scientists discover technique for manipulating magnets at nanoscale

30.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Physicists from the University of California, Irvine have discovered a new way to control magnets at the nanometer scale by electric current. This breakthrough, detailed in a paper published today in Nature Nanotechnology, may pave the way for the next generation of energy-efficient computers and data centers.

Scientists discover technique for manipulating magnets at nanoscale

30.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Physicists from the University of California, Irvine have discovered a new way to control magnets at the nanometer scale by electric current. This breakthrough, detailed in a paper published today in Nature Nanotechnology, may pave the way for the next generation of energy-efficient computers and data centers.

Novel quantum dots enhance cell imaging

30.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

A team of researchers from the University of Illinois at Urbana-Champaign and Mayo Clinic have engineered a new type of molecular probe that can measure and count RNA in cells and tissue without organic dyes. The probe is based on the conventional fluorescence in situ hybridization (FISH) technique, but it relies on compact quantum dots to illuminate molecules and diseased cells rather than fluorescent dyes.

Novel quantum dots enhance cell imaging

29.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

A team of researchers from the University of Illinois at Urbana-Champaign and Mayo Clinic have engineered a new type of molecular probe that can measure and count RNA in cells and tissue without organic dyes. The probe is based on the conventional fluorescence in situ hybridization (FISH) technique, but it relies on compact quantum dots to illuminate molecules and diseased cells rather than fluorescent dyes.

Researchers create scalable platform for on-chip quantum emitters

29.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Household lightbulbs give off a chaotic torrent of energy, as trillions of miniscule light particles—called photons—reflect and scatter in all directions. Quantum light sources, on the other hand, are like light guns that fire single photons one by one, each time they are triggered, enabling them to carry hack-proof digital information—technology attractive to industries such as finance and defense.

Researchers create scalable platform for on-chip quantum emitters

29.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Household lightbulbs give off a chaotic torrent of energy, as trillions of miniscule light particles—called photons—reflect and scatter in all directions. Quantum light sources, on the other hand, are like light guns that fire single photons one by one, each time they are triggered, enabling them to carry hack-proof digital information—technology attractive to industries such as finance and defense.

Where deep learning meets metamaterials

23.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Breakthroughs in the field of nanophotonics—how light behaves on the nanometer scale—have paved the way for the invention of "metamaterials," man-made materials that have enormous applications, from remote nanoscale sensing to energy harvesting and medical diagnostics. But their impact on daily life has been hindered by a complicated manufacturing process with large margins of error.

Scientists make new ‘green’ electronic polymer-based films with protein nanowires

22.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

An interdisciplinary team of scientists at the University of Massachusetts Amherst has produced a new class of electronic materials that may lead to a "green," more sustainable future in biomedical and environmental sensing, say research leaders microbiologist Derek Lovley and polymer scientist Todd Emrick.

Exploring new spintronics device functionalities in graphene heterostructures

17.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Graphene Flagship researchers have shown in a paper published in Science Advances how heterostructures built from graphene and topological insulators have strong, proximity induced spin-orbit coupling which can form the basis of novel information processing technologies.

Toward unhackable communication: Single particles of light could bring the ‘quantum internet’

16.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Hacker attacks on everything from social media accounts to government files could be largely prevented by the advent of quantum communication, which would use particles of light called "photons" to secure information rather than a crackable code.

Molecular semiconductors could be the future of electronics, and this new technique offers a way to mass produce them

16.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Visions for what we can do with future electronics depend on finding ways to go beyond the capabilities of silicon conductors. The experimental field of molecular electronics is thought to represent a way forward, and recent work at KTH may enable scalable production of the nanoscale electrodes that are needed in order to explore molecules and exploit their behavior as potentially valuable electronic materials.

Nanoscale spin-wave circuits based on engineered reconfigurable spin-textures

12.10. 2018 Nanotechnology News - Nanoscience, Nanotechnolgy, Nanotech News

Information processing technologies that are typically based on electron charges can also theoretically make use of the electric spin. Magnon spintronics can harness quantized spin waves, magnons, as carriers of spin currents in integrated magnonic circuits. The wave character and joule heating-free propagation of spin waves is a promising combination to engineer highly efficient computing platforms with integrated magnonic circuits. While crucial, the realization of nanoscale circuitry is extremely challenging due to the difficulty of tailoring nanoscopic magnetic properties using existing, conventional techniques. Magnonics is therefore a young field of research at the intersection of the study of spin dynamics and nanoscale science and technology.