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Materials Science Sep 28, 2021

Study explores remarkable negative thermal expansion seen in layered ruthenates

A formerly unnoticed monoclinic distortion in Ca2RuO4 explains its enormous negative thermal expansion (NTE) over a wide range of temperatures, discover researchers from Tokyo Tech. The work promises a different route for ...

Nanophysics Sep 22, 2021

Signature approach reveals prized property in nanoscopic material

It took a nanoscale construction project on par with the much larger ones peppering Nebraska highways, but physicist Xia Hong is now directing the haphazard traffic of electrons well enough to analyze it—and, down the road, ...

Polymers Sep 16, 2021

Engineering a polymer network to act as active camouflage on demand

The animal kingdom is full of creatures with active camouflage. What looks like a drab pile of sand and rocks might actually be a brightly colored squid, expanding and contracting structures within their skin to reveal shades ...

Materials Science Sep 6, 2021

Probing molecular orientation by polarization-selective transient absorption spectroscopy

The organic solar cell (OSC) heterojunction interface is where key photophysical processes such as charge separation and recombination occur. The molecular orientation at the interface is one of the key factors that determine ...

Superconductivity Sep 2, 2021

A surprise result for solid state physicists hints at an unusual electron behavior

While studying the behavior of electrons in iron-based superconducting materials, researchers at the University of Tokyo observed a strange signal relating to the way electrons are arranged. The signal implies a new arrangement ...

Optics & Photonics Sep 1, 2021

Ultrafast electronic control of magnetic anisotropy by mid-infrared light

One of the most important tasks in modern information technologies is controlling spin directions in magnets. State-of-the-art hard disk drives and large-volume magnetic storage used in data centers require magnetization ...

General Physics Aug 27, 2021

Hexagonal boron nitride as a tunnel barrier for ferromagnetic tunnel junctions

Tohoku University's Center for Innovative Integrated Electronic Systems (CIES) has been working collaboratively with the University of Cambridge under the core-to-core project (PL: Prof. Endoh). JSPS has announced an analysis ...

Cell & Microbiology Aug 10, 2021

Breakthrough in cell mechanics discovers abnormal embryo elongation and suggests possibilities for treatment

Fetal abnormalities are of concern to all prospective parents, and many of these problems originate from abnormalities in the development of the embryo particularly during its elongation and division.

Earth Sciences Aug 4, 2021

Improving weather simulations through increased generality

Modern weather forecasts and climate studies rely heavily on computer simulations implementing physical models. These models need to make cohesive large-scale predictions but also include enough small-scale detail to be relevant ...

Materials Science Jul 28, 2021

Automatically steering experiments toward scientific discovery

In the popular view of traditional science, scientists are in the lab hovering over their experiments, micromanaging every little detail. For example, they may iteratively test a wide variety of material compositions, synthesis ...

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