CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Magnetic-Field-Induced Stress-Birefringence in Laminate Composites of Terfenol-D and Polycarbonate |
LUO Xiao-Bin, WU Dong, ZHANG Ning** |
Magneto-electronic Lab, and Key Lab of Optical-electronic Techniques of Jiangsu Province, Nanjing Normal University, Nanjing 210046
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Cite this article: |
LUO Xiao-Bin, WU Dong, ZHANG Ning 2013 Chin. Phys. Lett. 30 077801 |
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Abstract The laminate composites that can show the magneto-birefringence effect are suggested and fabricated by the product of magnetostriction and stress-birefringence. Under a magnetic field no stronger than 1900 Oe, a phase difference of ~3.3π is observed for a trilayer composite Tb1?xDyxFe2?y/polycarbonate/Tb1?xDyxFe2?y with a polycarbonate layer at a size of 5 × 2.75 × 20 mm3 at room temperature, resulting in a half-wave magnetic field of no greater than 270 Oe.
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Received: 01 March 2013
Published: 21 November 2013
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