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Making high-temperature superconductivity disappear to understand its origin

Scientists have collected evidence suggesting that a purely electronic mechanism causes copper-oxygen compounds to conduct electricity without resistance at temperatures well above absolute zero

06-Feb-2020

When there are several processes going on at once, establishing cause-and-effect relationships is difficult. This scenario holds true for a class of high-temperature superconductors known as the cuprates. Discovered nearly 35 years ago, these copper-oxygen compounds can conduct electricity ...

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New function for plant enzyme could lead to green chemistry

Discovery may inspire development of better industrial catalysts

11-Dec-2019

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have discovered a new function in a plant enzyme that could have implications for the design of new chemical catalysts. The enzyme catalyzes, or initiates, one of the cornerstone chemical reactions needed to synthesize a ...

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Cause of cathode degradation identified for nickel-rich materials

Combination of research methods reveals causes of capacity fading, giving better insight to design advanced batteries for electric vehicles

18-Mar-2019

A team of scientists including researchers at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and SLAC National Accelerator Laboratory have identified the causes of degradation in a cathode material for lithium-ion batteries, as well as possible remedies. Their findings, ...

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Carrying and releasing nanoscale cargo with 'nanowrappers'

Nanocubes for biomedicine, catalysis and beyond

08-Jan-2019

This holiday season, scientists at the Center for Functional Nanomaterials (CFN)--a U.S. Department of Energy Office of Science User Facility at Brookhaven National Laboratory--have wrapped a box of a different kind. Using a one-step chemical synthesis method, they engineered hollow metallic ...

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Detecting light in a different dimension

Polymer nanostructures longer than wide make graphene a better light detector

14-Nov-2018

Scientists from the Center for Functional Nanomaterials (CFN) have dramatically improved the response of graphene to light through self-assembling wire-like nanostructures that conduct electricity. The improvement could pave the way for the development of graphene-based detectors that can quickly ...

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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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