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Temperature induced complementary switching in titanium oxide resistive random access memory

Temperature induced complementary switching in titanium oxide resistive random access memory
Temperature induced complementary switching in titanium oxide resistive random access memory
On the way towards high memory density and computer performance, a considerable development in energy efficiency represents the foremost aspiration in future information technology. Complementary resistive switch consists of two antiserial resistive switching memory (RRAM) elements and allows for the construction of large passive crossbar arrays by solving the sneak path problem in combination with a drastic reduction of the power consumption. Here we present a titanium oxide based complementary RRAM (CRRAM) device with Pt top and TiN bottom electrode. A subsequent post metal annealing at 400°C induces CRRAM. Forming voltage of 4.3 V is required for this device to initiate switching process. The same device also exhibiting bipolar switching at lower compliance current, Ic <50 μA. The CRRAM device have high reliabilities. Formation of intermediate titanium oxi-nitride layer is confirmed from the cross-sectional HRTEM analysis. The origin of complementary switching mechanism have been discussed with AES, HRTEM analysis and schematic diagram. This paper provides valuable data along with analysis on the origin of CRRAM for the application in nanoscale devices.
2158-3226
Panda, D.
0de17b04-a876-49e8-91d7-1eb50a34cf43
Simanjuntak, F.M.
a5b8dd07-002c-4520-9f67-2dc20d2ff0d5
Tseng, T.-Y.
c284f1b3-a030-4b56-bc22-5bfa2d9650df
Panda, D.
0de17b04-a876-49e8-91d7-1eb50a34cf43
Simanjuntak, F.M.
a5b8dd07-002c-4520-9f67-2dc20d2ff0d5
Tseng, T.-Y.
c284f1b3-a030-4b56-bc22-5bfa2d9650df

Panda, D., Simanjuntak, F.M. and Tseng, T.-Y. (2016) Temperature induced complementary switching in titanium oxide resistive random access memory. AIP Advances, 6, [075314]. (doi:10.1063/1.4959799).

Record type: Article

Abstract

On the way towards high memory density and computer performance, a considerable development in energy efficiency represents the foremost aspiration in future information technology. Complementary resistive switch consists of two antiserial resistive switching memory (RRAM) elements and allows for the construction of large passive crossbar arrays by solving the sneak path problem in combination with a drastic reduction of the power consumption. Here we present a titanium oxide based complementary RRAM (CRRAM) device with Pt top and TiN bottom electrode. A subsequent post metal annealing at 400°C induces CRRAM. Forming voltage of 4.3 V is required for this device to initiate switching process. The same device also exhibiting bipolar switching at lower compliance current, Ic <50 μA. The CRRAM device have high reliabilities. Formation of intermediate titanium oxi-nitride layer is confirmed from the cross-sectional HRTEM analysis. The origin of complementary switching mechanism have been discussed with AES, HRTEM analysis and schematic diagram. This paper provides valuable data along with analysis on the origin of CRRAM for the application in nanoscale devices.

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1.4959799
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Published date: July 2016

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Local EPrints ID: 448814
URI: http://eprints.soton.ac.uk/id/eprint/448814
ISSN: 2158-3226
PURE UUID: 5a2a0e2d-d8ff-45e0-9e01-615fb0336faf

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Date deposited: 06 May 2021 16:31
Last modified: 03 Sep 2021 16:30

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Contributors

Author: D. Panda
Author: F.M. Simanjuntak
Author: T.-Y. Tseng

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