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Physics 2, 73 (2009) – Published September 8, 2009 Magnetic switching is typically a continuous process, where a field pulse rotates a magnet from up to down, but it is now possible to do this faster — and with all-optical methods — by first quenching the magnetization to zero and then repolarizing it in the opposite direction. |
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Published September 22, 2008 Researchers in Japan have identified spin excitations in multiferroics that can be driven by electric fields. |
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