New University of Arkansas theoretical physics research shows that topological defects can explain unusual features of some ferroelectric materials.
Condensed Matter
Jun 3, 2016
0
9
Scientists from MIPT have succeeded in growing ultra-thin (2.5-nanometre) ferroelectric films based on hafnium oxide that could potentially be used to develop non-volatile memory elements called ferroelectric tunnel junctions. ...
Condensed Matter
Apr 14, 2016
0
11
Turn on an electric field, and a standard electrocaloric material will eject heat to its surroundings as its internal dipoles reorder themselves. Do the same thing, and a negative electrocaloric material will absorb heat, ...
General Physics
Apr 5, 2016
0
549
Researchers have developed a fabrication technique for single-crystalline thin-film arrays of an organic ferroelectric small molecules working as a memory device by using a solution process under ambient pressure at room ...
Materials Science
Mar 22, 2016
0
14
Perovskite has a rhombohedral structure (or hexagonal) with formula ABO3, while belonging to the space group of R3c (number #161). They are popular in applications of functional devices, exhibiting the superconducting, piezoelectric ...
Condensed Matter
Mar 1, 2016
0
5
The observation in a ferroelectric material of "polar vortices" that appear to be the electrical cousins of magnetic skyrmions holds intriguing possibilities for advanced electronic devices. These polar vortices, which were ...
Condensed Matter
Jan 28, 2016
0
2265
Understanding where and how phase transitions occur is critical to developing new generations of the materials used in high-performance batteries, sensors, energy-harvesting devices, medical diagnostic equipment and other ...
Nanophysics
Dec 28, 2015
0
1989
New theoretical physics research shows that swirling particles known as skyrmions, which have been found in magnetic systems, can also exist in ferroelectrics.
General Physics
Nov 30, 2015
0
45
A team of physicists has defied conventional wisdom by inducing stable ferroelectricity in a sheet of strontium titanate only a few nanometers thick.
Condensed Matter
Sep 17, 2015
2
31
From the spinning disc of a computer's hard drive to the varying current in a transformer, many technological devices work by merging electricity and magnetism. But the search to find a single material that combines both ...
Condensed Matter
Aug 21, 2015
0
735
