In this study magnetic force microscopy (MFM), piezoresponse force microscopy (PFM), and the newly developed piezomagnetic force microscopy (PmFM) techniques are used to probe the ferroelectric and ferromagnetic properties of BiFeO3-LiMn2O4 (BFO-LMO) heterostructures at nano-scale. The PmFM technique is also used to probe the ferromagnetic properties of CoFe2O4 (CFO) as a case study. The PFM and PmFM mappings of the BFO-LMO heterostructures clearly distinguish the BFO matrix and LMO nanopillars while the MFM mapping is ambiguous. The relatively high piezomagnetic response of BFO matrix is believed to be due to the Mn doping while the piezoelectric-like response of LMO nanopillars is due to the ionic activities and the vertical geometry of its heterostructure. Lastly, limitations of the PmFM technique are discussed.
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ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 8–10, 2014
Newport, Rhode Island, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-4614-8
PROCEEDINGS PAPER
Probing Multiferroic Heterostructures of BiFeO3-LiMn2O4 Using Magnetic, Piezoelectric and Piezomagnetic Force Microscopies
Ahmadreza Eshghinejad,
Ahmadreza Eshghinejad
University of Washington, Seattle, WA
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Wen-I Liang,
Wen-I Liang
National Chiao Tung University, Hsin Chu, Taiwan
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Qian Nataly Chen,
Qian Nataly Chen
University of Washington, Seattle, WA
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Feiyue Ma,
Feiyue Ma
University of Washington, Seattle, WA
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Ying-Hao Chu,
Ying-Hao Chu
National Chiao Tung University, Hsin Chu, Taiwan
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Jiangyu Li
Jiangyu Li
University of Washington, Seattle, WA
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Ahmadreza Eshghinejad
University of Washington, Seattle, WA
Wen-I Liang
National Chiao Tung University, Hsin Chu, Taiwan
Qian Nataly Chen
University of Washington, Seattle, WA
Feiyue Ma
University of Washington, Seattle, WA
Ying-Hao Chu
National Chiao Tung University, Hsin Chu, Taiwan
Jiangyu Li
University of Washington, Seattle, WA
Paper No:
SMASIS2014-7513, V001T01A014; 5 pages
Published Online:
December 8, 2014
Citation
Eshghinejad, A, Liang, W, Chen, QN, Ma, F, Chu, Y, & Li, J. "Probing Multiferroic Heterostructures of BiFeO3-LiMn2O4 Using Magnetic, Piezoelectric and Piezomagnetic Force Microscopies." Proceedings of the ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring; Keynote Presentation. Newport, Rhode Island, USA. September 8–10, 2014. V001T01A014. ASME. https://doi.org/10.1115/SMASIS2014-7513
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