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Condensed Matter Aug 21, 2020

Metal organic framework (MOF) microcrystals for multicolor broadband lasing

Multicolor single-mode polarized microlasers containing an output range from visible light to the near-infrared have significant applications in photonic integration and multimodal chemical sensing or imaging applications. ...

Materials Science Aug 18, 2020

Ultrafast hydrogen bond dynamics of liquid water revealed by THz-induced Kerr effect

Liquid water is considered the cornerstone of life and has many extraordinary physical and biochemical properties. The hydrogen bond network of liquid water is widely recognized to play a crucial role in these properties. ...

General Physics Aug 7, 2020

Scientists develop principles for the creation of an 'acoustic diode'

In research published in Science Advances, a group led by scientists from the RIKEN Center for Emergent Matter Science (CEMS) have used the principle of magneto-rotation coupling to suppress the transmission of sound waves ...

General Physics Aug 6, 2020

An electrical switch for magnetism

NUS physicists have demonstrated the control of magnetism in a magnetic semiconductor via electrical means, paving the way for novel spintronic devices.

Earth Sciences Jul 29, 2020

Is the Earth's transition zone deforming like the upper mantle?

In a recently published paper in Earth and Planetary Science Letters, researchers from the Geodynamics Research Center, Ehime University and the University of Lille combine numerical modeling of dislocation glide and results ...

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 ...

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