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Investigation statistics of bipolar multilevel memristive mechanism and characterizations in a thin FeOx transition layer of TiN/SiO2/FeOx/Fe structure
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10.1063/1.3630119
/content/aip/journal/jap/110/5/10.1063/1.3630119
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/5/10.1063/1.3630119
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Continuous bipolar switching behaviors of the 600 °C-60 s treated TiN/SiO/FeO/Fe structure (a) under a series of compliance current in set process at fixed stopped voltage condition and (b) under a series of stopped voltage in reset process at fixed compliance current condition.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Statistics plots of reset voltage and current (inset) as a function of compliance current. (b) Statistics plots of reset power as a function of compliance current. The inset shows the average reset current under a series of compliance current. The red dash fitting line shows a linear dependence between two currents.

Image of FIG. 3.
FIG. 3.

(a) Statistics plots of set current and voltage (inset) as a function of stopped voltage. (b) Statistics plots of set power as a function of stopped voltage. The inset shows the relation between R and 1/I 2 under a series of stopped voltage.

Image of FIG. 4.
FIG. 4.

(Color online) (a) Illustrations of the small size TiN/SiO/Fe/Pt structure and its process flows. (b) SEM images of the smallest via hole in our etching process.

Image of FIG. 5.
FIG. 5.

(Color online) Fe 2 XPS spectra of the FeO transition region after (a) a set process (in a LRS) and (b) a reset process (in a HRS) under the same Ar sputter etching time of 350 sec form top surface of PE-TEOS oxide.

Image of FIG. 6.
FIG. 6.

(Color online) Linear fitting results for the TiN/SiO/FeO/Fe structure under a series of stopped voltage in the HRS region. (b) A plot of ln(I/V) vs V 1 under a series of stopped voltage in the HRS region. The linearity criterion of fitting curves is over 99%.

Image of FIG. 7.
FIG. 7.

(Color online) The relation between relative permittivity and a series of stopped voltage. The red dash fitting line shows an exponential function between 1.75V to 2.75V and extends for guiding the reader’s eye.

Image of FIG. 8.
FIG. 8.

(a) Average and standard variation of LRS current under a series of compliance current and (b) average and standard variation of HRS current under a series of stopped voltage.

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/content/aip/journal/jap/110/5/10.1063/1.3630119
2011-09-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Investigation statistics of bipolar multilevel memristive mechanism and characterizations in a thin FeOx transition layer of TiN/SiO2/FeOx/Fe structure
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/5/10.1063/1.3630119
10.1063/1.3630119
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