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crystal structure

32 article(s)
Study on stability of highly energetic materials

2 days ago

Understanding the physical and chemical characteristics of energetic materials under extreme conditions is crucial for their safe and…
PALLAS predicted this complex transition pathway network for silicon. If you know how to read it, it is a roadmap that shows possible transition pathways between different structures. The tool developed by Zhu, Strobel, and Cohen correctly identified the lowest-energy transition pathway for silicon upon decompression from high pressure (thick black line). The structures in the four boxes show the different configurations of atoms along the transition path. The background colors indicate contours on the energy landscape. The points indicate stable and metastable structures of silicon with their size and color proportional to volume and energy, respectively. The composite of circles is similar to methods used in social networking analysis. Image provided courtesy of Timothy Strobel
A “GPS” to guide the discovery of new materials

September 11, 2019

New materials can contribute potential solutions to many societal issues—from increasing access to clean drinking water to improving…
Stanford researchers design a light-trapping, color-converting crystal

August 8, 2019

Five years ago, Stanford postdoctoral scholar Momchil Minkov encountered a puzzle that he was impatient to solve. At the heart…
Study reveals new structure of gold at extremes

July 31, 2019

Gold is an extremely important material for high-pressure experiments and is considered the “gold standard” for calculating pressure…
Unexpected observation of ice at low temperature, high pressure questions ice, water theory

May 24, 2019

Through an experiment designed to create a super-cold state of water, scientists at the Department of Energy’s Oak…
Researchers discover an unexpected phase transition in the high explosive TATB

May 14, 2019

Lawrence Livermore National Laboratory (LLNL) scientists in collaboration with University of Nevada Las Vegas (UNLV) have discovered a…
Tungsten-Based Alloy Shows Outstanding Radiation Resistance

March 13, 2019

The material is a quaternary nanocrystalline tungsten-tantalum-vanadium-chromium alloy that has been characterized under extreme thermal conditions. Pacific Northwest…
Ultrathin and ultrafast: scientists pioneer new technique for two-dimensional material analysis

March 12, 2019

Discovery allows scientists to look at how 2D materials move with ultrafast precision. Using a never-before-seen technique, scientists…
New discovery is big on nanoscale

December 31, 2018

Is it possible to predict what type of material an unidentified element will be in bulk quantities solely…
NASA Looking to Tiny Technology for Big Payoffs

October 31, 2018

NASA is advancing technology that could use large amounts of nanoscale materials to launch lighter rockets and spacecraft…
Relaxor ferroelectrics: Relax, just break it

July 20, 2018

The properties of a solid depend on the arrangement of its atoms, which form a periodic crystal structure.…
Machine learning model predicts phenomenon key to understanding material properties

June 6, 2018

Using machine learning, evolutionary algorithms and other advanced computational techniques, researchers at Lawrence Livermore National Laboratory (LLNL) have…
Nickel in the X-ray limelight

March 27, 2018

Making chemicals for industrial processes often requires scientists to use a catalyst — a substance that speeds up…
Neutrons help demystify multiferroic materials

March 22, 2018

Materials used in electronic devices are typically chosen because they possess either special magnetic or special electrical properties.…
Breaking bad metals with neutrons

January 16, 2018

By exploiting the properties of neutrons to probe electrons in a metal, a team of researchers led by…
Materials – Ripple effect

November 4, 2017

A semiconducting material with a puckered pentagonal atomic structure, characterized by Oak Ridge National Laboratory, could rival graphene…
LLNL scientists stick to a new efficient magnet

October 10, 2017

  Lawrence Livermore National Laboratory researchers have developed a new, more efficient permanent magnet that removes the deficiencies…
Amorphous diamond synthesized

September 1, 2017

A team of Carnegie high-pressure physicists have created a form of carbon that’s hard as diamond, but amorphous,…
Diamond proves useful material for growing graphene

September 19, 2016

Graphene is the stuff of the future. For years, researchers and technologists have been predicting the utility of…
Complex materials can self-organize into circuits, may form basis for multifunction chips

September 18, 2016

Researchers studying the behavior of nanoscale materials at the Department of Energy’s Oak Ridge National Laboratory have uncovered…
Flipping Crystals Improves Solar-Cells Performance

July 11, 2016

A new type of two-dimensional-layered perovskite developed by Northwestern University, Los Alamos National Laboratory and Rice University researchers…
New technique provides detailed views of metals’ crystal structure

July 6, 2016

Researchers at MIT and elsewhere have developed a new combination of methods that can provide detailed information about…
Lights, camera, action: Researchers develop method to measure crystalline equation of state

April 14, 2016

Beginning in the 19th century, scientists developed equations of state (EoS) to describe how material properties such as…
New magnetism research brings high-temp superconductivity applications closer

April 9, 2016

A research team led by the U.S. Department of Energy’s (DOE’s) Argonne National Laboratory has discovered that only…
It’s a Beauty: JILA’s Quantum Crystal is Now More Valuable

November 9, 2015

Physicists at JILA have made their “quantum crystal” of ultracold molecules more valuable than ever by packing about…
Silica ‘spiky screws’ could enhance industrial coatings, additive manufacturing

June 25, 2015

It took marine sponges millions of years to perfect their spike-like structures, but research mimicking these formations may…
Team Discovers New Liquid Crystal Configurations

April 1, 2015

Oil-based liquid crystals are ubiquitous; a deep understanding of their properties is behind the displays found in most…
Creating nanostructures using simple stamps

October 3, 2014

Nanostructures of virtually any possible shape can now be made using a combination of techniques developed by the…
Growth of an ultra-thin layered structure offers surprises

September 23, 2014

Many new technologies are based on ultra-thin layered structures that are “grown” using precise deposition techniques. Understanding and…
A new approach to creating organic zeolites

July 25, 2014

UD researcher Yushan Yan has reported a significant advance in the creation of organic zeolites in the journal…
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