Sputter-prepared (001) BiFeO 3 thin films with ferromagnetic L1 0-FePt(001) electrode on glass substrates

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Title:	Sputter-prepared (001) BiFeO 3 thin films with ferromagnetic L1 0-FePt(001) electrode on glass substrates
Authors:	Chang, H.-W., Yuan, F.-T., Shih, C.-W., Ku, C.-S., Chen, P.-H., Wang, C.-R., Chang, W.-C., (...), Lee, H.-Y.
Contributors:	Department of Physics, Tunghai University
Keywords:	Multiferroic BiFeO 3 (001) films, L10-FePt(001) underlayer, Glass substrate
Date:	2012
Issue Date:	2013-05-15T09:08:03Z (UTC)
Abstract:	Highly textured BiFeO 3(001) films were formed on L1 0-FePt(001) bottom electrodes on glass substrates by sputtering at reduced temperature of 400 °C. Good electric polarization 2P r = 80 and 95 μC/cm 2, comparable to that of the reported epitaxial films, and coercivity Ec = 415 and 435 kV/cm are achieved in the samples with 20-nm- and 30-nm-thick electrodes. The BiFeO 3(001) films show different degrees of compressive strain. The relation between the variations of strain and 2P r suggests that the enhancement of 2P r resulted from the straininduced rotation of spontaneous polarization. The presented results open possibilities for the applications based on electric-magnetic interactions. ? 2012 Chang et al.
Relation:	Nanoscale Research Letters 7 , art. no. 435
Appears in Collections:	[Department of Applied Physics] Periodical Articles

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