Manipulating electron spin using artificial molecular motors

Artificial molecular switches and machines have undergone rapid advances over the past several decades. Particularly, artificial molecular motors are highly attractive from the viewpoint of chirality switching during rotational steps. Now, researchers fabricated an electron's spin-filtering device that can switch the spin polarization direction by light irradiation or thermal treatment. The present results are beneficial to the development of solid-state functionalities emerging from nanosized motions of molecular switches.

Probing semiconductor crystals with a sphere of light

Tohoku University researchers have developed a technique using a hollow sphere to measure the electronic and optical properties of large semiconducting crystals. The approach, published in the journal Applied Physics Express, improves on current photoluminescence spectroscopy techniques and could lead to energy savings for mass producers, and thus consumers, of power devices.

Probing semiconductor crystals with a sphere of light

Researchers have developed a technique using a hollow sphere to measure the electronic and optical properties of large semiconducting crystals. The approach could lead to energy savings for mass producers of power devices.

New evidence from LHC shows pentaquark has a molecule-like structure

A team of researchers working on the LHCb collaboration has found evidence showing that a pentaquark they have observed has a molecule-like structure. In their paper published in the journal Physical Review Letters, the group describes the evidence and the structure of the pentaquark they observed.

A quantum simulation of Unruh radiation

Researchers at the University of Chicago (UChicago) have recently reported an experimental observation of a matter field with thermal fluctuations that is in accordance with Unruh's radiation predictions. Their paper, published in Nature Physics, could open up new possibilities for research exploring the dynamics of quantum systems in a curved spacetime.

Modelling reveals new insight into the electrical conductivity of ionic liquids

A collaborative investigation has revealed new insight into how room temperature ionic liquids (RTILs) conduct electricity, which may have a great potential impact for the future of energy storage.

New obstacle to effective accelerator beams

Release proposes explanation for failure to focus accelerator-fired ion beams.

Radon inferior to radium for electric dipole moments searches

Researchers have made a discovery that will help with the search for electric dipole moments in atoms, and could contribute to new theories of particle physics such as supersymmetry.

Creating new molecular sieves

Molecular sieves are useful in many industrial processes, especially in the chemical and energy sectors. They could be used to remove contaminants from water and have received attention for potential applications in aerospace, rail transportation, automobile manufacturing and more, but so far, their applications have been limited by their instability under extreme conditions.

Manipulating nanoscale light in nanocavity of scanning tunneling microscope junctions

Manipulating nanoscale light in scanning tunneling microscope junctions is attained by nanofabrication of gold tips using a focused ion beam technique. Researchers have demonstrated that a spectrum of 'nanolight' in a nanoscale plasmonic junction can be modulated with plasmonic Fabry-Pérot tips. Precise control of nanolight is of key relevance to nanoscale imaging and spectroscopy to investigate structure, dynamics, optoelectronic properties of nanomaterials and single molecules.


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