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Thickness-dependent voltage-modulated magnetism in multiferroic heterostructures
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10.1063/1.3675868
/content/aip/journal/apl/100/2/10.1063/1.3675868
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/2/10.1063/1.3675868
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) A typical cross-section SEM micrograph of Ni/BTO/STO (left) and high-resolution STEM image of Ni/BTO interface (right) where two white circles denotes two nanosized Ni particles. (b) Typical ferroelectric hysteresis loop and in-plane Kerr hysteresis loop of the heterostructures. (c) Out-of-plane displacement vs voltage curve of the BTO films.

Image of FIG. 2.
FIG. 2.

(Color online) Voltage modulation of the Kerr signals in (a) 20 nm-Ni/BTO, (b) 10 nm-Ni/BTO, and (c) 5 nm-Ni/BTO heterostructures. Each figure presents two full voltage cycles sweeping at ±9 and ±15 V, respectively. The inset in (a) shows in-plane piezostrain vs voltage curve of the BTO film. For eye guidance, the data points as shown in (a) and (b) are plotted as lines in (c). The inset in (c) schematically shows the interface charges.

Image of FIG. 3.
FIG. 3.

(Color online) Voltage modulation of the Kerr signals in 10 nm-Ni/8 nm-Au/BTO heterostructures. Two full voltage cycles sweeping at ±9 and ±15 V, respectively, are presented.

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/content/aip/journal/apl/100/2/10.1063/1.3675868
2012-01-10
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Thickness-dependent voltage-modulated magnetism in multiferroic heterostructures
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/2/10.1063/1.3675868
10.1063/1.3675868
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