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2023 Fiscal Year Final Research Report

Fabrication and Evaluation of Memory Device embedded with Single Molecule Electret

Research Project

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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
Keywords不揮発性メモリ / 強誘電体 / 単分子 / トランジスタ
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.

Free Research Field

機能物性化学

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。

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Published: 2025-01-30  

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