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Dependence of negative differential resistance on electronic phase separation in unpatterned manganite films
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10.1063/1.3684806
/content/aip/journal/apl/100/6/10.1063/1.3684806
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/6/10.1063/1.3684806
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) XRD θ-2θ spectra measured on (a) the PCSMO/LAO and (b) the PCSMO/STO samples. The corresponding RSM data collected around the 033 reflections are shown in (c) and (d), respectively.

Image of FIG. 2.
FIG. 2.

(Color online) I-V curves of the PCSMO/LAO samples measured at varied conditions of (a) temperature, (b) magnetic field, and (c) time interval between voltage pulses. The solid arrows mark the NDR steps. The dashed arrows in (c) indicate the directions of voltage sweeping. (d) Temperature dependencies of the magnetization at 0.5 T and resistance under magnetic fields varing from 0 T to 12 T with 3 T steps for the same sample. (e) Magnetic field dependencies of the resistance measured at different temperatures. (f) Corresponding phase diagram of the same sample. The solid squares are extracted from (e), and the hollow triangles are from the RT curves under different magnetic fields in (d). The circles indicate where I-V curves were collected, among which the solid ones represent the field and temperature conditions where the NDR steps were observed.

Image of FIG. 3.
FIG. 3.

(Color online) (a) I-V curvers at different temperatures for the same sample without external magnetic field. The arrows indicate the direction of the temperature sweep. (b) Temperature dependencies of the magnetization at 0.5 T and resistance under magnetic fields varing from 0 T to 12 T with 3 T steps of PCSMO/STO. (c) Magnetic field dependencies of the resistance measured at different temperatures. (f) Corresponding phase diagram of the same sample. The solid squares are extracted from (c), and the hollow triangles are from the RT curves under different magnetic fields in (b). The circles indicate where I-V curves were collected, among which the solid ones represent the field and temperature conditions where the NDR steps were observed.

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/content/aip/journal/apl/100/6/10.1063/1.3684806
2012-02-07
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dependence of negative differential resistance on electronic phase separation in unpatterned manganite films
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/6/10.1063/1.3684806
10.1063/1.3684806
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