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http://hdl.handle.net/1942/9834
Title: | Thin film magnetoelectric composites near spin reorientation transition | Authors: | Tiercelin, N. Preobrazhensky, V. MORTET, Vincent Talbi, A. Soltani, Ali HAENEN, Ken Pernod, D. |
Issue Date: | 2009 | Publisher: | ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS | Source: | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 321(11). p. 1803-1807 | Abstract: | We report the use of a magnetic instability of the spin reorientation transition type to enhance the magnetoelectric sensitivity in magnetostrictive-piezoelectric structures. We present the theoretical study of a clamped beam resonant actuator composed of a piezoelectric element on a passive substrate actuated by a magnetostrictive nanostructured layer. The experiments were made on a polished 150 mm thick 18 x 3 mm(2) lead zirconate titanate (PZT) plate glued to a 50 mm thick silicon plate and coated with a giant magnetostrictive nanostructured Nx(TbCo2 5nm/FeCo5nm) layer. A second set of experiments was done with magnetostrictive layer deposited on PZT plate. Finally, a film/film structure using magnetostrictive and aluminium nitride films on silicon substrate was realized, and showed ME amplitudes reaching 30 V Oe(-1) cm(-1). Results agree with analytical theory. | Keywords: | DYNAMICS;MEMS;Stress mediated magnetoelectric effect;Thin film;Nanostructured magnetostrictive multilayer;Spin reorientation transition | Document URI: | http://hdl.handle.net/1942/9834 | ISSN: | 0304-8853 | e-ISSN: | 1873-4766 | DOI: | 10.1016/j.jmmm.2009.02.026 | ISI #: | 000265238600029 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2010 |
Appears in Collections: | Research publications |
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