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Fabrication and Evaluation of Memory Device embedded with Single Molecule Electret

Research Project

Project/Area Number 22K14477
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 26020:Inorganic materials and properties-related
Research InstitutionUbe National College of Technology (2023)
Hiroshima University (2022)

Principal Investigator

Fujibayashi Masaru  宇部工業高等専門学校, 物質工学科, 助教 (30846952)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2022: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Keywords不揮発性メモリ / 強誘電体 / 単分子 / トランジスタ / ポリオキソメタレート / 誘電体
Outline of Research at the Start

近年、我々の研究室では、単分子で恰も強誘電体の様に振舞う分子「単分子誘電体」を報告している。「単分子誘電体」は、分子一つ一つに1ビットの情報を格納することができる為、超高密度メモリの開発が期待される。本研究では、「単分子誘電体」メモリの実用化を目指し、特性評価用デバイスの作製、及び、特性評価を実施する。

Outline of Final Research Achievements

In our works, the development of memory devices based on Single-Molecule Electret (SME) was carried out. SME behave like a ferroelectrics within a single molecule by utilising ion transfer mechanisms. Since each molecule of SME can work as a non-volatile memory, thus, the development of ultra-high density non-volatile memory is expected. In this study, the lateral-type transistor was employed to accelerate the evaluation of memory properties of the SME. The SME film was coated by cast procedure and the memory properties was evaluated. Our results revealed that the SME can be driven as a non-volatile memory.

Academic Significance and Societal Importance of the Research Achievements

IoTが加速する現代社会において、高密度不揮発性メモリの需要が高まっている。高密度不揮発性メモリはビッグデータを格納することに留まらず、不揮発性による消費電力の削減が可能である。しかしながら、これらの条件を満たすメモリ材料は限られており、新規材料の台頭が求められている。本研究では、上記の条件を満たす材料として注目されている「単分子誘電体」を用いたメモリの開発に着手した。研究期間を通して「単分子誘電体」がメモリとして駆動することを見出しており、高密度不揮発性メモリの実用化に向け重要な成果を得た。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (10 results)

All 2024 2023 2022

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 1 results) Presentation (7 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] Irreversible Structural Phase Transition in [(9‐triptycylammonium) ([18]crown‐6)][Ni(dmit)<sub>2</sub>]: Origin and Effects on Electrical and Magnetic Properties2023

    • Author(s)
      Manabe Jun、Sako Nagisa、Ito Mizuki、Fujibayashi Masaru、Kato Chisato、Cosquer Goulven、Inoue Katsuya、Takahashi Kiyonori、Nakamura Takayoshi、Akutagawa Tomoyuki、Shimono Seiya、Ishibashi Hiroki、Kubota Yoshiki、Nishihara Sadafumi
    • Journal Title

      European Journal of Inorganic Chemistry

      Volume: 26 Issue: 34 Pages: 1-7

    • DOI

      10.1002/ejic.202300449

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Crystallographic and dielectric studies of tetrahedral {NH<sub>4</sub>@Fe<sub>4</sub>} crystallized with halomethane molecules2023

    • Author(s)
      Matsumoto Daiki、Tanaka Chiaki、Fujibayashi Masaru、Nishihara Sadafumi、Takahashi Kiyonori、Nakamura Takayoshi、Akutagawa Tomoyuki、Masuya-Suzuki Atsuko、Tsunashima Ryo
    • Journal Title

      CrystEngComm

      Volume: 25 Issue: 34 Pages: 4793-4797

    • DOI

      10.1039/d3ce00429e

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Fluoride-bridged dinuclear dysprosium complex showing single-molecule magnetic behavior: supramolecular approach to isolate magnetic molecules2022

    • Author(s)
      Wu Dong-Fang、Takahashi Kiyonori、Fujibayashi Masaru、Tsuchiya Naoto、Cosquer Goulven、Huang Rui-Kang、Xue Chen、Nishihara Sadafumi、Nakamura Takayoshi
    • Journal Title

      RSC Advances

      Volume: 12 Issue: 33 Pages: 21280-21286

    • DOI

      10.1039/d2ra04119g

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Basket型ポリオキソメタレートの構造変形に伴う誘電特性2024

    • Author(s)
      藤林将
    • Organizer
      日本化学会 第104春季年会(2024)
    • Related Report
      2023 Annual Research Report
  • [Presentation] Concept and Fabrication of Non-Volatile Memory on Single-Molecule Electret2023

    • Author(s)
      Masaru Fujibayashi, Sadafumi Nishihara
    • Organizer
      Pre-Xmas Meeting 2023 of EPSRC-JSPS Core-to-Core Collaboration Program International Network on Polyoxometalate Science for Advanced Energy Materials (INPOMs)
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Dielectric Properties of Basket-Shaped Polyoxometalate Grafted with n-Butyl Moieties2023

    • Author(s)
      Masaru Fujibayashi
    • Organizer
      ICPAC (International Congress on Pure & Applied Chemistry) Bali 2022
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 単分子誘電体による新奇不揮発性メモリの確立,Establishment of novel type of non-volatile memory devices with single-molecular electret2023

    • Author(s)
      Masaru Fujibayashi, Yuki Nakano, Chisato Kato, Yoshiteru Amemiya, Akinobu Teramoto, and Sadafumi Nishihara
    • Organizer
      日本化学会 第103春季年会(2023)
    • Related Report
      2023 Annual Research Report
  • [Presentation] Establishment of novel type of non-volatile memory devices with single-molecular electret2023

    • Author(s)
      Masaru Fujibayashi, Yuki Nakano, Chisato Kato, Yoshiteru Amemiya, Akinobu Teramoto, and Sadafumi Nishihara
    • Organizer
      日本化学会 第103春季年会
    • Related Report
      2022 Research-status Report
  • [Presentation] 単分子誘電体を実装した横型トランジスタの作製2022

    • Author(s)
      藤林将、中野佑紀、加藤智佐都、雨宮嘉照、寺本章伸、西原禎文
    • Organizer
      2022年度 応用物理・物理学会系 中国四国支部 合同学術講演会
    • Related Report
      2022 Research-status Report
  • [Presentation] Fabrication and Evaluation of Memory Properties of Lateral-type FET with Preyssler-type Polyoxometalates2022

    • Author(s)
      Masaru Fujibayashi, Yuki Nakano, Chisato Kato, Yoshiteru Amemiya, Akinobu Teramoto, and Sadafumi Nisihara
    • Organizer
      ICPAC KK 2022
    • Related Report
      2022 Research-status Report
    • Invited

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Published: 2022-04-19   Modified: 2025-01-30  

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