Physics

Scientists developed a procedure to reproduce the double peak feature of x-ray emission spectroscopy (XES) spectra in liquid water.

With the aid of mathematics, materials chemistry enables dimension travel, unveiling that all properties of materials are governed by their dimension.

A Detailed comparative study on the structures and electrical properties of related insulators and superconductors

In a recent study published in the journal ACS Catalysis researchers from Kanazawa University describe novel scanning electrochemical cell microscopy measurements to determine sites of photoelectrochemical activity in titanium dioxide nanotubes.

Through numerical simulations, a researcher details the discovery of a new isolated skyrmion with a half-integer topological quantum number in the ferromagnetic phase of the magnetic quantum fluid Bose-Einstein condensate (BEC). The new skyrmion is generated by applying a spin current to a magnetic domain wall and it has an eccentric (off-center) spin singularity inside it.

An international research group demonstrated that the Kondo effect can have a significant impact on transition metal oxide compound, which has unique and desirable properties to realize wide range of quantum phenomena. The findings have provided more evidence in a decade long debate.

Tohoku University researchers have observed a rare change in the structure of a mineral-like crystal that, if controlled, could lead to the development of new functional materials.

Giants in History: Mohammad Abdus Salam (29 January 1926 – 21 November 1996) was a theoretical physicist and the first Pakistani to receive a Nobel Prize in science.

Researchers at Kanazawa University report in Applied Physics Letters the design of an ultrafast amplitude detector for use in high-speed atomic force microscopy. The detector will enable the real-time recording of fast dynamical processes of biomolecules.

Abundant, safe, and environmentally friendly, tin sulfide is predicted to be used in next generation solar cell panels. Now, a research group has used impurity doping to fabricate n-type conductive tin sulfide thin films, paving the way for their use in solar cells.

Using data on electromagnetic (EM) waves and plasma particles measured simultaneously via multiple satellites, an international collaborative research group has discovered the existence of invisible “propagation path” of EM waves and elucidated the mechanism by which EM waves propagate to the ground.

If researchers can detect Q-balls in gravitational waves, it could help explain why more matter than anti-matter was left over after the Big Bang.

In 2019, a new superconductor was discovered amongst the nickelates (nickel-based oxides), but only now have the underlying physical and chemical similarities with their Periodic-Table twin superconductors, the cuprates, been identified.

Researchers at The University of Tokyo use numerical simulations to model the process called devitrification during which glasses crystallize, which may help improve the long-term stability of glassy materials, like pharmaceuticals and smartphone screens.

Giants in History: Chinese physicist Xie Xide (19 March 1921 – 4 March 2000) was an influential educator and one of China’s pioneer researchers of solid-state physics.

Researchers from The University of Tokyo Institute of Industrial Science use optical microscopy to form a picture of what’s really going on inside surfactant onions

Researchers from The University of Tokyo Institute of Industrial Science find that drones may be the next generation of communication bases to monitor the ocean and seafloor because of their high-speed positioning, stability, and efficiency.

Researchers propose quantum circuit black hole lasers to explore Hawking radiation

Similar to a magnet that always has both south and north poles, a kind of special quasiparticles in condensed matter called “Weyl Fermions” always appear in pairs with opposite chirality. There had been no experimental report that unpaired Weyl points exist in condensed matter until recently, a City University of Hong Kong (CityU) physicist observed the first unpaired singular Weyl magnetic monopole in a specific kind of single crystalline solid.

Researchers have developed a general quantum algorithm that can directly calculate the energy difference of an atom and molecule using a quantum computer. By avoiding the need to calculate the total molecular energies, the general algorithm is expected to be applied not only to quantum chemical calculations but also to various physical and mathematical problems, which are intractable with nowadays classical computers.

Researchers at Kanazawa University report in Proceedings of the National Academy of Sciences how a protein molecular motor can chop off a piece of cell membrane. The constrict-and-cut mechanism resembles that of a ratchet motor, and is of importance in processes mediating the entry of particles into cells.

Magnesium rechargeable batteries show immense promise for a greener future because of their energy density, safety, and cost. But the lack of high-performance cathode materials has impeded their development. Now, a research team has developed liquid-sulfur/sulfide composite cathodes that enable high-rate magnesium batteries.

Researchers from The University of Tokyo Institute of Industrial Science report a machine learning-based model for predicting the bonding properties of materials

A new laser that generates quantum particles can recycle lost energy for highly efficient, low threshold laser applications

Osaka Prefecture University develops a method to design and control the path of electron flow in a polycrystalline material. Using epitaxial growth approach, researchers address the electrical conductivity problem of thin film materials by realizing a highly conductive in-plane orientation of a metal-organic framework. Furthermore, they show that it is possible to fabricate oriented thin film patterns by integration with UV lithography technology.

By virtually reproducing physical reservoir computing, a new information processing technology, using numerical simulation, the present study reveals that vortices in fluid flow phenomena in the downstream region of a cylinder are the key to information processing capability. It is expected that this result concerning fluid flow vortices and information processing capability will be useful in enhancing the information processing capability of the physical reservoir using fluid flow.

Researchers at Osaka Prefecture University have established an approach to identify the orientation of molecules and chemical bonds in crystalline organic-inorganic hybrid thin films deposited on substrates using Fourier transform infrared spectroscopy (FT-IR) and polarized infrared light with a 3D-printed attenuated total reflectance (ATR) unit. This inexpensive method with laboratory-grade equipment quickly reaches the crystal-structure model of even extremely thin films of less than 10 nm.

Researchers from The University of Tokyo Institute of Industrial Science report colloidal spheres that can be used to determine the rotational dynamics of dense suspensions

Chemical rings of carbon and hydrogen atoms curve to form relatively stable structures capable of conducting electricity and more — but how do these curved systems change when new components are introduced? Researchers based in Japan found that, with just a few sub-atomic additions, the properties can pivot to vary system states and behaviors, as demonstrated through a new synthesized chemical compound.

No one knows what happened in the Universe for its first 400,000 years, but a new paper suggests discovering the hypothetical particle axion could shed light on the early history of the Universe. What's more, current dark matter experiments may have already detected it in its data.