Nanowerk

First observation of positronium matter-wave diffraction with a graphene grating

First experimental observation of matter-wave diffraction in a short-lived electron-positron atom using a graphene-based diffraction grating. (Nanowerk News) One of the discoveries that fundamentally ...
Phys.org

Ultrafast electron diffraction captures atomic layers twisting in response to light

A pulse of light sets the tempo in the material. Atoms in a crystalline sheet just a few atoms thick begin to move—not randomly, but in a coordinated rhythm, twisting and untwisting in sync like ...
Hosted on MSN

3D printing a diffraction pattern

Is it possible to 3d print a diffraction pattern? People in Denmark 'stunned' by Trump's Greenland comments, former ambassador says Tenacious D's Kyle Gass addresses controversial Trump joke and Jack ...
IEEE

Transfer Analysis of Machine Learning Models Trained on Simulated XRD Patterns to Real Powder XRD Experimental Data

Abstract: Accurate crystal structure identification is crucial for material property prediction, functional design, and the discovery of new materials. Machine learning models trained on simulated ...
Phys.org

With AI, researchers can now identify the smallest crystals

One longstanding problem has sidelined life-saving drugs, stalled next-generation batteries, and kept archaeologists from identifying the origins of ancient artifacts. For more than 100 years, ...
IEEE

Vision Transformers for X-ray Diffraction Patterns Analysis

Abstract: Understanding materials properties depends largely on the ability to determine its components, and in particular its mineral phases. Powder X-ray diffraction (XRD) is a powerful tool for ...
C&EN

DiffractGPT: Atomic Structure Determination from X-ray Diffraction Patterns Using a Generative Pretrained Transformer

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Crystal structure determination from powder diffraction patterns is a complex ...
Science Daily

New acoustic wave phenomenon discovered

This novel finding regarding the nonreciprocal diffraction of acoustic waves could open doors for next-generation communication devices. A unique propagation phenomenon of acoustic waves has been ...
C&EN

The Devil Is in the Details: Pitfalls and Ambiguities in the Analysis of X-ray Powder Diffraction Data of 2D Covalent Organic Frameworks

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. X-ray powder diffraction (XRPD) data of covalent organic frameworks (COFs) seem to be ...
Science Daily

X-ray data-enhanced computational method can determine crystal structures of multiphase materials

The new method can determine crystal structures underlying experimental data thus far difficult to analyze. A joint research team led by Yuuki Kubo and Shiji Tsuneyuki of the University of Tokyo has ...
GitHub

PDB to powder diffraction pattern? Cont Question of #80

Everything else was smooth except the last histogram simulation. I used my laptop and let it run over the weekend but was unable to finish. After that, I closed my laptop one time without terminating ...