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Giant Room-temperature Magneto-capacitance in Laminate Composites of Terfenol-D/Pb（Zr,Ti）O3 at Resonance Frequency

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2011年01期
Page:
48-51
Research Field:
物理学
Publishing date:

Info

Title:
Giant Room-temperature Magneto-capacitance in Laminate Composites of Terfenol-D/Pb（Zr,Ti）O3 at Resonance Frequency
Author(s):
Wang Wei; Tang Jianguo
School of Physics and Technology,Nanjing Normal University,Nanjing 210046,China
Keywords:
stress;  resonance frequency;  magnetoe lectric coupling;  magnetocapac itance
PACS:
O482.5
DOI:
-
Abstract:
The presen t work is focused on the g iant room??temperature m agne to??capacitance (MC) e ffect in lam inate o f TerfenolD( TDF) /Pb( Zr, T i) O3 ( PZT ) composites. Such m agne to??capac itance re la tes to the m agnetic??e lastic coupling of interfaces. Them ax imum negative m agneto??capac itance is as large as 65% and 85% at the resonant frequencies o f 46.15 kH z and 1600 OekH z, respectiv ely, under the b ias m agnetic fie ld of 1600 Oe. A nega tivem agneto??capacitance o f 5% has been observed at sub??resonan t frequenc ies under the same m agnetic field

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Last Update: 2013-04-11