Understanding the Resistive Switching Phenomena of Stacked Al/Al<sub>2</sub>O<sub>3</sub>/Al Thin Films from the Dynamics of Conductive Filaments

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/complexity/volume-2017/8263904/figures/8263904.fig.004a.svgz" name="8263904.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Al/Al<sub>2</sub>O<sub>3</sub>/Al (as-deposited)</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/complexity/volume-2017/8263904/figures/8263904.fig.004b.svgz" name="8263904.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Al/Al<sub>2</sub>O<sub>3</sub>/Al (annealed)</td></tr></table>

<div>Resistive switching of Al/Al<sub>2</sub>O<sub>3</sub>/Al stacked structures (using thicker Al<sub>2</sub>O<sub>3</sub> = 20 nm) for the (a) as-deposited and (b) annealed devices in N<sub>2</sub> at 300°C conditions. The unipolar mode for resistive switching is obtained after using <svg height="12.0621pt" id="M70" style="vertical-align:-3.2957pt" version="1.1" viewbox="-0.0498162 -8.7664 67.1118 12.0621" width="67.1118pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M614 175C564 76 510 21 408 21C256 21 146 149 146 336C146 488 235 629 402 629C510 629 570 586 597 480L626 488C620 541 614 582 606 638C578 643 510 665 429 665C206 665 44 527 44 316C44 157 153 -15 402 -15C474 -15 558 5 586 11C604 45 629 119 643 165L614 175Z" id="g121-65"></path></g><g transform="matrix(.013,0,0,-0.013,8.736,0)"><path d="M614 175C564 76 510 21 408 21C256 21 146 149 146 336C146 488 235 629 402 629C510 629 570 586 597 480L626 488C620 541 614 582 606 638C578 643 510 665 429 665C206 665 44 527 44 316C44 157 153 -15 402 -15C474 -15 558 5 586 11C604 45 629 119 643 165L614 175Z" id="g121-65"></path></g><g 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11C604 45 629 119 643 165L614 175Z" id="g121-65"></path></g><g transform="matrix(.0091,0,0,-0.0091,17.446,3.132)"><path d="M639 21C616 28 593 39 566 68C542 92 523 117 486 170C457 215 415 282 397 314C472 346 524 398 524 485C524 545 497 590 456 617C417 641 369 650 296 650H43V617C122 612 130 608 130 523V129C130 45 122 38 38 33V0H306V33C225 38 216 45 216 129V282H249C302 282 319 270 336 243C365 195 401 132 436 84C483 18 525 -5 597 -8C610 -9 622 -9 635 -9L639 21ZM216 319V559C216 586 219 596 227 603S250 613 281 613C356 613 429 576 429 469C429 416 413 379 374 348C349 327 316 319 265 319H216Z" id="g58-80"></path></g><g transform="matrix(.0091,0,0,-0.0091,23.261,3.132)"><path d="M522 166C507 123 488 90 472 71C449 44 419 38 347 38C296 38 261 38 242 51C223 63 217 85 217 132V315H311C398 315 406 310 419 239H453V433H419C406 365 401 358 311 358H217V580C217 609 219 612 251 612H331C400 612 427 604 440 584C453 561 463 541 472 498L506 502C501 558 497 627 497 650H43V618C122 610 130 609 130 520V128C130 46 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A large resistivity window is also observed for both samples.</div>

Complexity

fig4

Figure 4

Figure 4: Understanding the Resistive Switching Phenomena of Stacked Al/Al<sub>2</sub>O<sub>3</sub>/Al Thin Films from the Dynamics of Conductive Filaments 

Complexity

Understanding the Resistive Switching Phenomena of Stacked Al/Al2O3/Al Thin Films from the Dynamics of Conductive Filaments

Figure 4

Understanding the Resistive Switching Phenomena of Stacked Al/Al₂O₃/Al Thin Films from the Dynamics of Conductive Filaments