Colossal magnetodielectric effect caused by magnetoelectric effect under low magnetic field |
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| Authors: | QIAN LIU XIAO-BING BIAN JIAN-PING ZHOU PENG LIU |
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| Affiliation: | (1) Advanced Materials & Nanotechnology, College of Engineering, Peking University, Beijing, 1000871, China;(2) Virginia Tech, Materials Science & Engineering, Blacksburg, VA 24061, USA |
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| Abstract: | The colossal magnetodielectric effect is reported in Pb(Zr,Ti)O3/Terfenol-D laminate composite under low magnetic field. When the composite is placed in an external a.c. magnetic field,
magnetoelectric effect is produced, as a result, the dielectric properties of the Pb(Zr,Ti)O3 is changed, i.e. magnetodielectric effect. Both the amplitude and resonance frequency change with the external magnetic field.
The colossal magnetodielectric coefficient of 5 × 104% at low magnetic field of 20 Oe is achieved near the electromechanical resonance frequency. |
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