#magnetics

[materialsscienceandengineering]

Achieving low resistance and high performance in magnetic tunnel junctions using high-entropy oxides

A NIMS research team has developed a magnetic tunnel junction (MTJ) featuring a tunnel barrier made of a high-entropy oxide composed of multiple metallic elements. This MTJ simultaneously demonstrated stronger perpendicular magnetization, a higher tunnel magnetoresistance (TMR) ratio (i.e., the relative change in electrical resistance when the magnetization directions of the two ferromagnetic layers switch between parallel and antiparallel alignments) and lower electrical resistance. These properties may contribute to the development of smaller, higher-capacity and higher-performance hard disk drives (HDDs) and magnetoresistive random access memory (MRAM). This research is published in Materials Today.

Read more.

[nanotechnologyworld]

Metastable states of floating crystals

Magnetocapillary interactions between particles allow self-assembly of floating crystals along liquid interfaces. For a fixed number of particles, different states with different symmetric characteristics, called metastable states, coexist. Various pioneering works have observed the existence of metastable states in floating crystals. As different states coexist, it is difficult to control the formation of specific structures. However, controlling the formation of metastable states is a key ingredient to functionalize such assemblies, paving the way for self-assembling microrobots for example. The way to control the state of a floating crystal has never been studied before.

https://www.nanotechnologyworld.org/post/metastable-states-of-floating-crystals

[jameswestwelding]

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[merelygifted]

Scientists Have Discovered an Exotic Magnetic State of Matter

[th3-0bjectivist]

“Magnetar” - Spray paint on wood

[screaming-inthe-void]

So you know how water drains different directions depending on which hemisphere you're on? Does that also apply to whirlpools?

If so, I have a question:

What would happen to a whirlpool if the poles of the planet flipped?

[divine-nonchalance]