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Astronomy Jul 27, 2020

New approach refines the Hubble's constant and age of universe

Using known distances of 50 galaxies from Earth to refine calculations in Hubble's constant, a research team led by a University of Oregon astronomer estimates the age of the universe at 12.6 billion years.

Materials Science Jul 15, 2020

Higher-order topology found in 2-D crystal

Over the last decade, the field of condensed matter physics has experienced a golden age with the discovery of new materials and properties, and related technologies being developed at breakneck speed thanks to the arrival ...

Nanomaterials Jul 13, 2020

Robust high-performance data storage through magnetic anisotropy

The latest generation of magnetic hard drives is made of magnetic thin films, which are invar materials. They allow extremely robust and high data storage density by local heating of ultrasmall nano-domains with a laser—so ...

Nanomaterials Jul 13, 2020

Black phosphorus-based van der Waals heterostructures for mid-infrared light-emission applications

Researchers have realized optically and electrically driven mid-infrared (MIR) light-emitting devices in a simple but novel van der Waals (vdW) heterostructure constructed from thin-film black phosphorus (BP) and transition-metal ...

Quantum Physics Jul 6, 2020

Team obtained high-level control of spin qubit lifetime based on silicon quantum dots

By tuning the direction of the external magnetic field with respect to the crystallographic axis of the silicon wafer, an improvement of spin lifetime (relaxation time) by over two orders of magnitude was reported in silicon ...

Materials Science Jul 1, 2020

Programming van der Waals interactions with complex symmetries into microparticles using liquid crystallinity

Versatile approaches to engineer asymmetric van der Waals interactions can expand the palette of materials development through bottom-up engineering processes. In a new study, H.A. Fuster and a research team in chemical and ...

Nanomaterials Jun 30, 2020

No touching: Researchers find contactless way to measure thickness of carbon nanotube films

Scientists from Skoltech and their colleagues from Russia and Finland have figured out a non-invasive way to measure the thickness of single-walled carbon nanotube films, which may find applications in a wide variety of fields ...

Earth Sciences Jun 17, 2020

Geoscientists create deeper look at processes below Earth's surface with 3-D images

Geoscientists at The University of Texas at Dallas recently used massive amounts of earthquake data and supercomputers to generate high-resolution, 3-D images of the dynamic geological processes taking place far below the ...

Nanomaterials Jun 17, 2020

Nanomaterial gives robots chameleon skin

A new film made of gold nanoparticles changes color in response to any type of movement. Its unprecedented qualities could allow robots to mimic chameleons and octopi—among other futuristic applications.

Materials Science Jun 16, 2020

Scientists discover a long-sought-after nitrogen allotrope in black phosphorus structure

Graphene, or a single layer of graphite, has a set of novel properties that have attracted tremendous attention since its discovery. Nitrogen is the next neighbor to carbon in the periodic table of elements, so it is natural ...

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