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A new opportunity for the emerging tellurium semiconductor: making resistive switching devices

Yifei Yang, Mingkun Xu, Shujing Jia, Bolun Wang, Lujie Xu, Xinxin Wang, Huan Liu, Yuanshuang Liu, Yuzheng Guo Orcid Logo, Lidan Wang, Shukai Duan, Kai Liu, Min Zhu, Jing Pei, Wenrui Duan, Dameng Liu, Huanglong Li

Nature Communications, Volume: 12, Issue: 1, Start page: 6081

Swansea University Author: Yuzheng Guo Orcid Logo

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DOI (Published version): 10.1038/s41467-021-26399-1

Abstract

Abstract: The development of the resistive switching cross-point array as the next-generation platform for high-density storage, in-memory computing and neuromorphic computing heavily relies on the improvement of the two component devices, volatile selector and nonvolatile memory, which have distinc...

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Published in: Nature Communications
ISSN: 2041-1723
Published: Springer Science and Business Media LLC 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa58434
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Abstract: Abstract: The development of the resistive switching cross-point array as the next-generation platform for high-density storage, in-memory computing and neuromorphic computing heavily relies on the improvement of the two component devices, volatile selector and nonvolatile memory, which have distinct operating current requirements. The perennial current-volatility dilemma that has been widely faced in various device implementations remains a major bottleneck. Here, we show that the device based on electrochemically active, low-thermal conductivity and low-melting temperature semiconducting tellurium filament can solve this dilemma, being able to function as either selector or memory in respective desired current ranges. Furthermore, we demonstrate one-selector-one-resistor behavior in a tandem of two identical Te-based devices, indicating the potential of Te-based device as a universal array building block. These nonconventional phenomena can be understood from a combination of unique electrical-thermal properties in Te. Preliminary device optimization efforts also indicate large and unique design space for Te-based resistive switching devices.
College: Faculty of Science and Engineering
Funders: National Natural Science Foundation of China (National Science Foundation of China)
Issue: 1
Start Page: 6081

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