A touch of gold—or another noble metal—can change the structure of a crystal and its intrinsic properties, physicists at the University of Warwick have demonstrated in a display of modern-day alchemy.
Materials Science
Aug 19, 2020
0
2299
Researchers from Kazan Federal University, Texas A&M University and Institute of Applied Physics (Russian Academy of Sciences) found ways to direct high frequency gamma radiation by means of acoustics.
Optics & Photonics
Jul 21, 2020
6
2281
Piezoelectric materials can convert electrical voltage to mechanical displacement and vice versa. They are ubiquitous in modern wireless communication networks such as in cellphones. Today, piezoelectric devices, including ...
Optics & Photonics
Jul 15, 2020
0
49
Some materials show promise promoting bone regeneration by enhancing its natural electrical properties, according to a review in the journal Science and Technology of Advanced Materials.
Bio & Medicine
Feb 4, 2020
0
12
Researchers have shown mechanical force can start chemical reactions, making them cheaper, more broadly applicable, and more environmentally friendly than conventional methods.
Materials Science
Dec 19, 2019
0
116
What if we could create artificial bees that helped us with food production? Ola Gjønnes Grendal cooks up the materials needed to do just this.
Materials Science
Nov 13, 2019
0
12
A team at Osaka University has invented a new process for creating high-precision sensing devices that respond to the presence of hydrogen gas. By carefully controlling the deposition of metallic nanoparticles on a silicon ...
Nanophysics
May 22, 2019
0
6
A team of researchers from China, the U.S. and Australia has found that adding the rare-earth element samarium to piezoelectric crystals can dramatically improve their performance. In their paper published in the journal ...
Acoustic tweezers are based on focused acoustic vortices and hold promise to precisely manipulate microorganisms and cells from the millimeter scale down to the submicron scale, without contact, and with unprecedented selectivity ...
Piezoresponse force microscopy (PFM) is the most widespread technique for characterising piezoelectric properties at the nanoscale, i.e., for determining the ability of some materials to generate electricity when subjected ...
Nanophysics
Apr 10, 2019
0
11
