My watch list
my.chemeurope.com  
Login  

24 Current news about the topic vibration

rss

You can refine your search further. Select from the filter options on the left to narrow down your results.

image description
Process to 3D print piezoelectric materials developed

Could be used to develop intelligent materials and self-adaptive infrastructures and transducers

23-Jan-2019

The piezoelectric materials that inhabit everything from our cell phones to musical greeting cards may be getting an upgrade thanks to work discussed. Xiaoyu 'Rayne' Zheng, assistant professor of mechanical engineering in the College of Engineering, and a member of the Macromolecules Innovation ...

more

image description
New method measures 3D polymer processing precisely

11-Oct-2018

Recipes for three-dimensional (3D) printing, or additive manufacturing, of parts have required as much guesswork as science. Until now. Resins and other materials that react under light to form polymers, or long chains of molecules, are attractive for 3D printing of parts ranging from ...

more

image description
Breaking the bond: To take part or not?

10-Jul-2018

Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical ...

more

A better way to control crystal vibrations

23-May-2018

The vibrational motion of an atom in a crystal propagates to neighboring atoms, which leads to wavelike propagation of the vibrations throughout the crystal. The way in which these natural vibrations travel through the crystalline structure determine fundamental properties of the material. For ...

more

Elucidation of vibration energy of a single molecule in an external force field

14-May-2018

A molecule adsorbed on a surface (Figure 1A) vibrates on the surface (Figure 1B). The vibration energy is determined by the mass of the molecule and by the restoring forces exerted on the molecule. The restoring force originates from the interaction within the molecule and with the surface. By ...

more

image description
Wiggling atoms switch the electric polarization of crystals

16-Apr-2018

Ferroelectric crystals display a macroscopic electric polarization, a superposition of many dipoles at the atomic scale which originate from spatially separated electrons and atomic nuclei. The macroscopic polarization is expected to change when the atoms are set in motion but the connection ...

more

image description
Discovering new field affecting metals solidification

05-Feb-2018

A fundamental discovery that alters our current understanding of how metals solidify and form crystalline patterns may help lead to better control of casting and welding processes. It also explains how snowflakes and many mineral patterns form naturally. Reexamining data from his 20-year-old NASA ...

more

image description
Harnessing the rattling motion of oxygen ions to convert T-rays to visible light

01-Dec-2017

Scientists have successfully visualized terahertz radiation, popularly known as T-rays, using a crystal called mayenite (Ca12Al14O33). Their method cleverly utilizes the rattling motion caused by the vibration of oxygen ions inside the cage-like structures of the crystal. In recent years, there ...

more

Mapping the effects of crystal defects

16-Mar-2017

New research offers insights into how crystal dislocations -- a common type of defect in materials -- can affect electrical and heat transport through crystals, at a microscopic, quantum mechanical level. Dislocations in crystals are places where the orderly three-dimensional structure of a ...

more

The secrets of vibration-enhanced conductivity in graphene

13-Mar-2017

Graphene, the one-atom-thick material made of carbon atoms, still holds some unexplained qualities, which are important in connection with electronic applications where high-conductivity matters, ranging from smart materials that collectively respond to external stimuli in a coherent, tunable ...

more

Page 1 From 3
Subscribe to e-mail updates relating to your search

You will receive via e-mail the latest search results matching your search criteria. This service is free of charge and can be cancelled at any time.

Your browser is not current. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE