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Materials that undergo a structural transformation between amorphous and crystalline phases under the influence of an electrical current have been known for decades. But with the discovery of new phase-change materials and new device configurations to make them switch, interest in them is being...
A new design of a gas cell based on advanced fibre-optic solutions overcomes the practical difficulties that have so far hindered the use of gas-phase materials in optical science and technology.
The investigation of geometrically frustrated magnets can be complicated by crystalline disorder. New high-quality crystals of a Kagomé antiferromagnet offer neutrons a clearer path for determining their intrinsic order.
Wrinkling is a ubiquitous form of mechanical instability, occurring in such widely different systems as skin and lava flows. Hierarchical wrinkling leading to topographical features, with length scales spanning five orders of magnitude, has now been observed and harnessed in an artificial skin.
The concept of a Luttinger liquid has recently been established as vital to our understanding of the behaviour of one-dimensional quantum systems. Although this has led to a number of theoretical breakthroughs, only now has its descriptive power been confirmed experimentally.
Materials found in nature combine many inspiring properties such as sophistication, miniaturization, hierarchical organizations, hybridation, resistance and adaptability. Elucidating the basic components and building principles selected by evolution to propose more reliable, efficient and...
It is known that the cooling rate from the liquid state is an important factor in the production of bulk metallic glasses. However, the effects of other factors such as electric and magnetic fields have not been thoroughly investigated. Here, we present a new method for producing bulk metallic...
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