Sentences with phrase «large magnetoresistance»

Numerous materials with extreme magnetoresistance have been reported since the Cava lab first discovered extreme magnetoresistance (originally named «large magnetoresistance» by Nature editors before the research field supplanted it with the current term) in WTe2 two years ago.

In this work, the researchers found another material, PdSn4, showing extremely large magnetoresistance but a gapped out Dirac - node - arc feature.

«Aside from the large magnetoresistance of this compound, other important advantages are its non-toxic composition and the fact that it can be used even at higher temperatures.»

In comparing these similar compounds, they ruled out Dirac - node - arc feature and electron - hole compensation as the mechanism to explain extremely large magnetoresistance.

Physicists at the U.S. Department of Energy's Ames Laboratory compared similar materials and returned to a long - established rule of electron movement in their quest to explain the phenomenon of extremely large magnetoresistance (XMR), in which the application of a magnetic field to a material results in a remarkably large change in electrical resistance.

Researchers in condensed matter physics at Ames Laboratory had recently discovered an extremely large magnetoresistance and a Dirac - node - arc feature in PtSn4.

The larger the magnetoresistance of a material, the smaller the magnetic signal to which it can respond.

«There's this old empirical statement that if you make a metal cleaner and cleaner and cleaner, it results in larger and larger magnetoresistance,» said Paul Canfield, a senior scientist at Ames Laboratory and a Distinguished Professor and the Robert Allen Wright Professor of Physics and Astronomy at Iowa State University.

In particular, they measured a ten times larger magnetoresistance as observed for CuMnAs.

Not exact matches

«We didn't know this large magnitude of «negative magnetoresistance» was possible,» said Qiang Li, a physicist and head of the advanced energy materials group in the department and a co-author on a paper describing these results just published in the journal Nature Physics.

The discovery, reported in tomorrow's issue of Nature, relies on a phenomenon called colossal magnetoresistance — a large drop in a material's electrical resistance in response to an applied magnetic field — that has previously been seen only at very low temperatures.

Veröffentlichung S. Y. Bodnar et al., Writing and reading antiferromagnetic Mn2Au by Néel spin - orbit torques and large anisotropic magnetoresistance, Nature Communications 9, 24.

Publication S. Y. Bodnar et al., Writing and reading antiferromagnetic Mn2Au by Néel spin - orbit torques and large anisotropic magnetoresistance, Nature Communications 9, 24 January 2018, DOI: 10.1038 / s41467 -017-02780-x