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Prospects of Oxide Materials Electronic Structure and Related Applications in Devices

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (20 March 2023) | Viewed by 2244

Special Issue Editors


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Guest Editor
The State Key Discipline Laboratory of Wide Band Gap Semiconductor Technology, School of Microelectronics, Xidian University, Xi'an 710071, China
Interests: ferroelectric materials; field-effect transistors; hafnium oxides; germanium oxides
Hangzhou Institute of Technology, Xidian University, Hangzhou 311231, China
Interests: gas sensors; thin-film transistors; neuromorphic computing devices

Special Issue Information

Dear Colleagues,

Oxide materials have been extensively exploited in the electronics industry due to their ability to function in dielectrics, semiconductors or conductors. High-κ oxides have been broadly adopted in field-effect transistors (FETs) to lower the operating voltage. Owing to a high mobility and small leakage current, oxide semiconductors have been studied intensively, and oxide thin-film transistors (TFTs) have been commercialized in flat-panel displays. Additionally, further efforts are being contributed towards the realization of ultra-high-mobility oxide TFTs. In addition, transparent oxide conductors are widely used in solar cells and the display industry. Recently, functional oxide materials, such as ferroelectric oxides, have attracted much attention owing to their low-temperature preparation process being COMS-compatible. Ferroelectric oxides have been adopted in negative capacitance FETs (NC FETs) and ferroelectric FETs (FeFETs). The topic’s rapid growth and increasing interest in the areas of oxide materials and related devices are the main reasons for this Special Issue on “Prospects of Oxide Material Electronic Structures and Related Applications in Devices”. Contributions should focus on novel achievements, both theoretical and experimental, relative (but not limited) to high-mobility oxide materials, oxide TFTs, ferroelectric oxides, NC FETs, FeFETs, etc.

The Special Issue intends to provide researchers working in the field with a platform for the dissemination of their ideas regarding the design and characterization of novel oxides and oxide-based devices, highlighting outstanding performance developments and exploring additional promising applications. It should also stimulate a cross-fertilization between researchers of the field with other readers of the journal, providing the opportunity to find novel potential research directions.

Prof. Dr. Genquan Han
Dr. Bochang Li
Guest Editors

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Keywords

  • ferroelectric materials
  • field-effect transistor
  • gate dielectrics
  • NC FET
  • oxide semiconductor
  • oxide conductor
  • thin-film transistors

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Published Papers (1 paper)

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Research

9 pages, 2538 KiB  
Article
Analog Resistive Switching and Artificial Synaptic Behavior of ITO/WOX/TaN Memristors
by Youngboo Cho, Jihyung Kim, Myounggon Kang and Sungjun Kim
Materials 2023, 16(4), 1687; https://doi.org/10.3390/ma16041687 - 17 Feb 2023
Cited by 9 | Viewed by 1885
Abstract
In this work, we fabricated an ITO/WOX/TaN memristor device by reactive sputtering to investigate resistive switching and conduct analog resistive switching to implement artificial synaptic devices. The device showed good pulse endurance (104 cycles), a high on/off ratio (>10), and [...] Read more.
In this work, we fabricated an ITO/WOX/TaN memristor device by reactive sputtering to investigate resistive switching and conduct analog resistive switching to implement artificial synaptic devices. The device showed good pulse endurance (104 cycles), a high on/off ratio (>10), and long retention (>104 s) at room temperature. The conduction mechanism could be explained by Schottky emission conduction. Further, the resistive switching characteristics were performed by additional pulse-signal-based experiments for more practical operation. Lastly, the potentiation/depression characteristics were examined for 10 cycles. The results thus indicate that the WOX-based devices are appropriate candidates for synaptic devices as well as next-generation nonvolatile memory. Full article
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