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Study of InSb-related CMOS on Si substrate with surface reconstruction controled epitaxy

Research Project

Project/Area Number 18H01496
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 21060:Electron device and electronic equipment-related
Research InstitutionUniversity of Toyama

Principal Investigator

Mori Masayuki  富山大学, 学術研究部工学系, 准教授 (90303213)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2021: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2020: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2019: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2018: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
KeywordsInSb / MOSFETs / 表面再構成制御成長法 / GaSb / 界面準位 / マニピュレータ / ナノスフィアリソグラフィー / MOSFET / MBE / ALD / Surface reconstruction / Heteroepitaxy / Al2O3 / GaSb単分子層 / 積層順 / pMOSFET / ゲート絶縁膜 / 低成長レート / 双晶 / ヘテロエピタキシャル / CMOS
Outline of Final Research Achievements

To reduce the effect of the density of states at the interface between InSb and Al2O3, we tried to insert the thin GaSb layer between InSb and Al2O3. The devices with the structure showed lower device performance compared with the previous one (without thin GaSb layer). So it is necessary to study the reason.
We tried to fabricate p-MOSFETs using GaSb/Si, and characterized their device performance. We succeeded in fabricating p-MOSFETs. However, their device performance and/or yield was not good. So it is necessary to improve device performance of p-MOSFETs for realization of CMOS.

Academic Significance and Societal Importance of the Research Achievements

微細化による性能向上が限界に近付きつつあるSi半導体に代わるデバイス材料として、Siよりも優れた電気特性を持つInSbやGaSbに着目し、高速デバイスの作製を目指した。すでに実現しているSi上に成長させたInSbを用いたトランジスタの性能向上のために、InSbの面内配向性の向上や、結晶構造の変更を試みた。また、歩留まりや性能は良くないものの、Si上に成長したGaSbを用いたp型MOSFETデバイスの作製に成功した。今後これらのデバイスを用いたCMOS FETの実現に向けてそれぞれのデバイスの特性を向上させる必要がある。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (17 results)

All 2021 2020 2019 2018 Other

All Journal Article (2 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (12 results) (of which Int'l Joint Research: 4 results) Remarks (3 results)

  • [Journal Article] An investigation of the crystalline nature for GaSb films on Si(111) at varied growthtemperature and growth rate2019

    • Author(s)
      A. A. Md. Monzur-Ul-Akhir, Masayuki Mori, Koihci Maezawa
    • Journal Title

      Japanese Journal of Applied Physics

      Volume: 58

    • NAID

      210000156699

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effect of flux ratio on GaSb films grown at a low temperature on Si(111)2019

    • Author(s)
      A. A. Md. Monzur-Ul-Akhir, Masayuki Mori, Koihci Maezawa
    • Journal Title

      Proceedings of ICIEV-&-ICIVPR 2019

      Volume: 1 Pages: 312-317

    • DOI

      10.1109/iciev.2019.8858576

    • Related Report
      2019 Annual Research Report
  • [Presentation] Influence of Areal Ratio of InSb and GaSb bi-layers on Growth of InGaSb Thin Films on Si(111) Substrate2021

    • Author(s)
      Masayuki MORI, Jotaro INOUE, Koichi MAEZAWA
    • Organizer
      The Eighth International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO2021)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 表面再構成制御成長法を用いたSi(111)基板上へのIn0.2Ga0.8Sbエピタキシャル成長に関する研究2020

    • Author(s)
      井上丈太朗、森雅之、前澤 宏一
    • Organizer
      令和2年度(2020年)応用物理学会 北陸・信越支部 学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Si(111) 基板上へのGaSb薄膜成長における基板温度依存性2020

    • Author(s)
      白山綾輔、森雅之、前澤宏一
    • Organizer
      令和2年度(2020年)応用物理学会 北陸・信越支部 学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] InSb/Si(111)上へのGaSb薄膜成長における基板温度と膜厚の依存性2020

    • Author(s)
      橋本拓磨、森雅之、前澤宏一
    • Organizer
      令和2年度(2020年)応用物理学会 北陸・信越支部 学術講演会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Effect of flux ratio on GaSb films grown at a low temperature on Si(111)2019

    • Author(s)
      A.A. Md. Monzur-Ul-Akhir, Masayuki Mori, and Koichi Maezawa
    • Organizer
      8th International Conference on Informatics, Electronics & Vision (ICIEV)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effect of Flux Ratio on GaSb Films Grown at Low Temperature on Si(111)2018

    • Author(s)
      A. A. M. Monzur-Ul-Akhir, M. Mori and K. Maezawa
    • Organizer
      14th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN-14)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Effect of Growth Rate and Temperature on GaSb Films on Si(111) Substrate2018

    • Author(s)
      A. A. M. Monzur-Ul-Akhir, M. Mori and K. Maezawa
    • Organizer
      14th International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures (ACSIN-14)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 表面再構成制御法を用いたSi(111)基板上へのIn0.2Ga0.8Sbエピタキシャル成長2018

    • Author(s)
      五十嵐廉、森雅之、前澤宏一
    • Organizer
      2018年第79回応用物理学会秋季学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] A Study of Flux Ratio Effeting GaSb Growth at Low Temperature2018

    • Author(s)
      A. A. M. Monzur-Ul-Akhir, M. Mori and K. Maezawa
    • Organizer
      平成30年度応用物理学会北陸・信越支部学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] A Study of Growth Rate and Temperature Effecting GaSb Growth2018

    • Author(s)
      A. A. M. Monzur-Ul-Akhir, M. Mori and K. Maezawa
    • Organizer
      平成30年度応用物理学会北陸・信越支部学術講演会
    • Related Report
      2018 Annual Research Report
  • [Presentation] Growth of high quality InSb channel layer with InxGa1-xSb heteroepitaxial film on Si2018

    • Author(s)
      A.A. Mohammad Monzur-Ul-Akhir、森 雅之、前澤宏一
    • Organizer
      電子情報通信学会、 電子デバイス研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] GaSb/Si(111)基板上へのInSbのエピタキシャル薄膜の作製と評価2018

    • Author(s)
      長橋栄臣、森雅之、前澤宏一
    • Organizer
      第4回有機・無機エレクトロニクスシンポジウム
    • Related Report
      2018 Annual Research Report
  • [Remarks] トップページ

    • URL

      http://www3.u-toyama.ac.jp/nano/

    • Related Report
      2019 Annual Research Report
  • [Remarks] 極微電子工学講座

    • URL

      http://enghp.eng.u-toyama.ac.jp/labs/ee08/

    • Related Report
      2019 Annual Research Report
  • [Remarks] 講座の活動 平成30年(2018)

    • URL

      http://www3.u-toyama.ac.jp/nano/study/katsu30.html

    • Related Report
      2018 Annual Research Report

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Published: 2018-04-23   Modified: 2023-01-30  

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