Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective physics Describing the interaction between
magnetization andstrain in amagnetic material
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Magnets with large magnetoelastic interactions - the mechanism that causes this change
PhysOrg.com - latest science and technology news stories 2010
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Plus, the researchers note that it should be possible to engineer materials of different compositions that have the same large magnetoelastic effects.
PhysOrg.com - latest science and technology news stories 2010
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College London in the UK observed the giant magnetoelastic interactions in the material
PhysOrg.com - latest science and technology news stories 2010
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The researchers could directly investigate this magnetoelastic effect on both the material's crystal and magnetic structure by using a technique called high-resolution neutron diffraction in combination with magnetic measurements.
PhysOrg.com - latest science and technology news stories 2010
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The scientists also discovered that this magnet uses a new mechanism for achieving the large magnetoelastic effects, which involves competing exchange interactions among atoms.
PhysOrg.com - latest science and technology news stories 2010
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The scientists showed that, in this case, the origin of the material's metamagnetism is a large magnetoelastic coupling among the material's atoms.
PhysOrg.com - latest science and technology news stories 2010
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"The usual mechanism [of magnetoelastic coupling], large spin-orbit coupling, is found mostly in rare earth-containing compounds, as the orbital angular momentum of rare earths is usually non-zero," physicist Karl Sandeman of Imperial College London told PhysOrg. com.
PhysOrg.com - latest science and technology news stories 2010
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As the scientists explain, the large magnetoelastic coupling - and its resulting change in atomic separations - is driven by a competition between the exchange interactions of two different pairs of manganese atoms.
PhysOrg.com - latest science and technology news stories 2010
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In addition, the researchers showed that the magnetoelastic coupling serves as a precursor to a metamagnetic tricritical point with enhanced shape change effects.
PhysOrg.com - latest science and technology news stories 2010
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