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Lining up surprising behaviors of superconductor with one of the world's strongest magnets

Electrical resistance of a copper-oxide compound depends on the magnetic field in a very unusual way

10-Aug-2018

What happens when really powerful magnets--capable of producing magnetic fields nearly two million times stronger than Earth's--are applied to materials that have a "super" ability to conduct electricity when chilled by liquid nitrogen? A team of scientists set out to answer this question in one ...

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Surprising discovery could lead to better batteries

16-Jan-2018

A collaboration led by scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has observed an unexpected phenomenon in lithium-ion batteries--the most common type of battery used to power cell phones and electric cars. As a model battery generated electric current, the ...

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Surprising result shocks scientists studying spin

11-Jan-2018

Imagine playing a game of billiards, putting a bit of counter-clockwise spin on the cue ball and watching it deflect to the right as it strikes its target ball. With luck, or skill, the target ball sinks into the corner pocket while the rightward-deflected cue ball narrowly misses a side-pocket ...

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Water-repellent nanotextures found to have excellent anti-fogging abilities

03-Mar-2017

Some insect bodies have evolved the abilities to repel water and oil, adhere to different surfaces, and eliminate light reflections. Scientists have been studying the physical mechanisms underlying these remarkable properties found in nature and mimicking them to design materials for use in ...

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Nanoscale 'conversations' create complex, multi-layered structures

02-Jan-2017

Building nanomaterials with features spanning just billionths of a meter requires extraordinary precision. Scaling up that construction while increasing complexity presents a significant hurdle to the widespread use of such nano-engineered materials. Now, scientists at the U.S. Department of ...

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Origin of high-temperature superconductivity in copper-oxide compound uncovered

19-Aug-2016

Since the 1986 discovery of high-temperature superconductivity in copper-oxide compounds called cuprates, scientists have been trying to understand how these materials can conduct electricity without resistance at temperatures hundreds of degrees above the ultra-chilled temperatures required by ...

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Study shows trees with altered lignin are better for biofuels

01-Jul-2016

Lignin is a natural component of plant cell walls, the scaffolding that surrounds each cell and plays a pivotal role in plants' ability to grow against gravity and reach heights ranging from stubbly grasses to the sky-scraping splendor of redwoods. But lignin is a problem for scientists ...

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Discovery of gold nanocluster 'double' hints at other shape-changing particles

21-Jun-2016

Chemically the same, graphite and diamonds are as physically distinct as two minerals can be, one opaque and soft, the other translucent and hard. What makes them unique is their differing arrangement of carbon atoms. Polymorphs, or materials with the same composition but different structures, ...

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Revealing the nature of magnetic interactions in manganese oxide

25-May-2016

For nearly 60 years, scientists have been trying to determine how manganese oxide (MnO) achieves its long-range magnetic order of alternating up and down electron spins. Now, a team of scientists has used their recently developed mathematical approach to study the short-range magnetic ...

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Scientists guide gold nanoparticles to form 'diamond' superlattices

08-Feb-2016

Using bundled strands of DNA to build Tinkertoy-like tetrahedral cages, scientists at the U.S. Department of Energy's Brookhaven National Laboratory have devised a way to trap and arrange nanoparticles in a way that mimics the crystalline structure of diamond. The achievement of this complex yet ...

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