Effects of high pressure, magnetic fields, and substitutions - ICMR ...
Effects of high pressure, magnetic fields, and substitutions - ICMR ...
Effects of high pressure, magnetic fields, and substitutions - ICMR ...
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Experimental discovery <strong>of</strong> a new fundamental excitation – The electromagnon<br />
Theoretically predicted in 1970:<br />
<br />
Hybrid excitation <strong>of</strong> a phonon <strong>and</strong> a magnon<br />
due to strong spin-phonon coupling<br />
Low-energy excitation (10 ... 20 cm -1 ) predicted in optical experiments<br />
(electric field can excite a magnon)<br />
magnon<br />
phonon<br />
Experimentally confirmed<br />
in 2006 in different multiferroic<br />
compounds:
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