| [1] Hill N A. Why are there so few magnetic ferroelectrics?[J]. Journal of Physical Chemistry B, 2000, 104:6 694-6 709.[2] Fennie C J. Ferroelectrically induced weak ferromagnetism by design[J]. Physical Review Letters, 2008, 100: 167 203.[3] Kimura T, Goto T, Shintani H, et al. Magnetic control of ferroelectric polarization[J]. Nature, 2003, 426: 55-58.[4] Mahato R N, Sethupathi K, Sankaranarayanan V. Colossal magnetoresistance in the double perovskite oxide La2CoMnO6[J]. Journal of Applied Physics, 2010, 107: 09d714.[5] Tokura Y, Tomioka Y. Colossal magnetoresistive manganites[J]. Journal of Magnetism and Magnetic Materials, 1999, 200: 1-23.[6] Tokunaga Y, Furukawa N, Sakai H, et al. Composite domain walls in a multiferroic perovskite ferrite[J]. Nature Materials, 2009, 8: 558-562.[7] Kitamura M, Ohkubo I, Kubota M, et al. Ferromagnetic properties of epitaxial La2NiMnO6 thin films grown by pulsed laser deposition[J]. Applied Physics Letters, 2009, 94: 132 506.[8] Lezaic M, Spaldin N A. High-temperature multiferroicity and strong magnetocrystalline anisotropy in 3d-5d double perovskites[J]. Physical Review B, 2011, 83: 024 410.[9] Slonczewski J C. Origin of magnetic anisotropy in cobalt-substituted magnetite [J]. Physical Review, 1958, 110: 1 341-1 348.[10] Chinnasamy C N, Jeyadevan B, Shinoda K, et al. Unusually high coercivity and critical single-domain size of nearly monodispersed CoFe2O4 nanoparticles[J]. Applied Physics Letters, 2003, 83: 2 862-2 864.[11] Chinnasamy C N, Jeyadevan B, Perales-Perez O, et al. Growth dominant co-precipitation process to achieve high coercivity at room temperature in CoFe2O4 nanoparticles[J]. Magnetics, IEEE Transactions, 2002, 38: 2 640-2 642.[12] Giri A K, Kirkpatrick E M, Moongkhamklang P, et al. Photomagnetism and structure in cobalt ferrite nanoparticles[J]. Applied Physics Letters, 2002, 80: 2 341-2 343.[13] Zheng H, Wang J, Lofland S E, et al. Multiferroic BaTiO3-CoFe2O4 nanostructures[J]. Science, 2004, 303: 661-663.[14] Zheng H, Straub F, Zhan Q, et al. Self-Assembled growth of BiFeO3-CoFe2O4 nanostructures[J]. Advanced Materials, 2006, 18: 2 747-2 752.[15] Oezguer U, Alivov Y, Morkoc H. Microwave ferrites, part 1: fundamental properties[J]. Journal of Materials Science-Materials in Electronics, 2009, 20: 789-834.[16] Sudakar C, Subbanna G N, Kutty T R N. Wet chemical synthesis of multicomponent hexaferrites by gel-to-crystallite conversion and their magnetic properties[J]. Journal of Magnetism and Magnetic Materials, 2003, 263: 253-268.[17] Kimura T, Lawes G, Ramirez A P. Electric polarization rotation in a hexaferrite with long-wavelength magnetic structures[J]. Physical Review Letters, 2005, 94: 137 201.[18] Ishiwata S, Taguchi Y, Murakawa H, et al. Low-magnetic-field control of electric polarization vector in a helimagnet[J]. Science, 2008, 319: 1 643-1 646.[19] Taniguchi K, Abe N, Ohtani S, et al. Ferroelectric polarization reversal by a magnetic field in multiferroic y-type hexaferrite Ba2Mg2Fe12O22[J]. Applied Physics Express ,2008, 1: 031 301.[20] Kitagawa Y, Hiraoka Y, Honda, T, et al. Low-field magnetoelectric effect at room temperature[J]. Nature Materials, 2010, 10: 797-802.[21] Wang L, Wang D, Cao Q, et al. Electric control of magnetism at room temperature[J]. Scientific Reports, 2012, 2: 223.[22] Chopdekar R V, Suzuki Y. Magnetoelectric coupling in epitaxial CoFe2O4 on BaTiO3[J]. Applied Physics Letters, 2006, 89: 182 506.[23] Wu X, Cai W, Kan Y, et al. Multiferroic properties of CoFe2O4/PbZr0.52Ti0.48O3 composite ceramics[J]. Ferroelectrics, 2009, 380: 48-55.[24] Dwivedi G D, Tseng K F, Chan C L, et al. Signature of ferroelectricity in magnetically ordered Mo-doped CoFe2O4[J]. Physical Review B, 2010, 82:134 428.[25] Dwivedi G D, Joshi A G, Kevin H, et al. Existence of the multiferroic property at room temperature in Ti doped CoFe2O4[J]. Solid State Communications, 2012, 152: 360-363.[26] Neel L. Proprieties magnetiques des ferrites-ferrimagnetisme et antiferromagnetisme[J]. Annales De Physique, 1948, 3: 137-198.[27] Ramana C V, Kolekar Y D, Kamala Bharathi K, et al. Correlation between structural, magnetic, and dielectric properties of manganese substituted cobalt ferrite[J]. Journal of Applied Physics, 2013, 114: 183 907.[28] Ponpandian N, Balaya P, Narayanasamy A. Electrical conductivity and dielectric behaviour of nanocrystalline NiFe2O4 spinel[J]. Journal of Physics-Condensed Matter, 2002, 14: 3 221-3 237. |
