Sentences with word «multiferroic»

Nicola Spaldin is professor of materials theory at ETH Zürich in Switzerland and winner of the 2015 Körber European Science Prize for «la [ying] the theoretical foundation for the new family of multiferroic materials
The ME effect offers exciting possibilities for the use of multiferroics in new types of magnetic memory, e.g. ROM — read only memory.
South Korean researchers have moved us one step closer to having wearables that are designed to bend, with a thin, highly - flexible multiferroic film that retains its electrical and magnetic properties even when bent around in a cylinder.
Soon after, many research groups and industrial labs began working on multiferroics.
Recent scanning impedance microscopy measurements have pinpointed the domain walls in multiferroic hexagonal manganites as a source of loss in the GHz frequency range.
The new finding, published as a rapid communication in the journal Physical Review B, advances the fundamental understanding of magnetic systems as well as multiferroics, which can change their electrical polarization when in a magnetic field or magnetic properties when in an electric field.
The review describes multiferroics with antiferromagnetic and ferroelectric orders.
«A conscious coupling of magnetic and electric materials: New multiferroic material is a big step in march toward ultra-low power electronics.»
The UCLA Engineering team used multiferroic magnetic materials to reduce the amount of power consumed by «logic devices,» a type of circuit on a computer chip dedicated to performing functions such as calculations.
This article presents an extended and comprehensive review of the structure and multiferroic properties of the hexagonal rare - earth manganite RMnO3, in which there are ferroelectric and magnetic orders.
I gathered the courage to organize the first - ever multiferroics session at the 2001 March meeting of the American Physical Society, which gave the field a further boost.
In 2001, I gathered the courage to organize the first - ever multiferroics session at the American Physical Society's March Meeting, which gave the field a further boost of exposure and momentum.
In 2003, in collaboration with the group of Ramamoorthy Ramesh (now at UC Berkeley), we succeeded in producing and understanding thin films of what is now one of the most - studied multiferroic materials, bismuth ferrite.
Once dried, the so - called multiferroic films could be bent or stretched with no loss of potency in the magnetic or electric properties of the bismuth ferrite.
«Crystal, magnetic structure of multiferroic hexagonal manganite.»
The researchers expect flexible multiferroics to have applications in energy - efficient, instant - on wearable health monitoring equipment and virtual reality attire, as well as any other small electronics that could benefit from being bent around an object or body part.
Nicola Spaldin pioneered a revolution in the field of multiferroics by pursuing her «most interesting question,» no matter the odds
I had some advantages: First - principles electronic structure theory — in which the structure and properties of chemical compounds are calculated by solving the Schrödinger equation — had just matured enough to allow the study of materials that I thought might be good multiferroics candidates.
«The theoretical description presented in the paper may be applicable to other multiferroics similar to BiFeO3.
They did this at temperatures ranging from 200 - 300 kelvins (minus 100 to 80 degrees Fahrenheit), relatively balmy compared with other such multiferroics that typically work at much lower temperatures.
• The rapid discovery of fluoride - based multiferroic materials, which could allow for generating electric fields that would support more efficient electronic devices or be electronic responsive under a magnetic field.
The subject of the study was bismuth ferrite (BiFeO3)-- a highly promising multiferroic that is very promising in terms of its practical applications.
Eventually, my research reached the point where I wanted to see my predictions tested by synthesizing multiferroics in the lab.
Mundy began to tackle this challenge of creating a viable multiferroic while she was a Cornell University graduate student in the lab of Darrell Schlom, a professor of materials science and engineering and a leading expert in molecular - beam epitaxy.
Thanks to the extensive volume of works carried out in this field worldwide over the past decade or so, the list of materials exhibiting multiferroic behaviour has expanded far beyond the few that were studied in Russia at the time of Curie's conjecture in the 1960s.
Even though multiferroic materials are relatively commonplace much is still not known about their molecular make - up and properties.
This experimental renaissance of multiferroic physics gives a long overdue justification to the earlier pioneering theoretical works and judging by the pace of current research is set to continue well into the 21st Century.
Conversely, unconventional multiferroics are driven by magnetism and exhibit strong electrical interactions.
One reason multiferroics are so desirable is that their dual characteristics can be controlled in combination with each other, providing, for example, electrically controlled magnetism or magnetically controlled electrical properties.
Neutrons are the most suitable probe to study the magnetism of these materials and provide a distinction between the different types of multiferroic behavior.
Conventional multiferroics are predominantly controlled by electricity and exhibit weak interactions with magnetism.
As soon as that paper was published, many research groups and industrial labs became interested in working on multiferroics.
Pairing ferroelectric and ferrimagnetic materials into one multiferroic film would capture the advantages of both systems, enabling a wider range of memory applications with minimal power requirements.
They're not quite ready for commercial use, though, and the team is now turning its energy toward both improving the film's multiferroic properties and exploring ways to make it even more flexible.
The first big breakthrough came in 2003 when, in collaboration with the group of Ramamoorthy Ramesh (now at UC Berkeley), we succeeded in producing and understanding thin films of what is now the most - studied multiferroic material, bismuth ferrite.
This study could provide an important breakthrough for solving a 100 year old physical problem, and deepen our knowledge of an interesting class of materials called multiferroics.
Including our new material, a total of four are known, but only one room - temperature multiferroic was known in which magnetism could be controlled electrically.
My postdoctoral work had involved extending electronic structure methods to study magnetic systems — exactly what I needed to predict the properties of new multiferroics.
«Through this interaction, magnetic moments can generate an electric polarization and an electric polarization can generate a magnetic texture in multiferroics,» said Laurent Bellaiche, Distinguished Professor of physics at the University of Arkansas.
«With this material, we see the potential to reach beyond the typical scope of multiferroic applications and make a significant impact on a variety of practical projects,» Cao said.
Multiferroic materials are a class of crystalline material which exhibit a number of unique properties, in which at least two order parameters exist simultaneously; ferro -(or antiferro --RRB- magnetic, ferroelectric and ferroelastic degrees of freedom.
These «multiferroic» materials absorb solar radiation and possess unique electrical and magnetic properties.
Before I knew it, multiferroics were no longer «mine.»
My quest for these multiferroics was quixotic, but my timing was fortuitous.
Multiferroics are materials that simultaneously exhibit different ferroic orders, including magnetic, ferroelectric and / or ferroelastic.
This has been demonstrated by preparing more complex materials, such as lithium cobalt oxide — a cathode material for lithium batteries; bismuth manganese oxide — a multiferroic material; and a 90 degrees Kelvin (K) superconducting Yttrium barium copper oxide material.
In the 1980s it was thought that this multiferroic exhibited only a quadratic magnetoelectric effect (i.e. polarization is quadratically proportional to the applied magnetic field).
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