Research Interests 【 display / non-display 】

Research Interests 【 display / non-display 】

Graduating School 【 display / non-display 】

Graduating School 【 display / non-display 】

• 1994.04

  -

  1998.03

  Tohoku University     Graduated

Graduate School 【 display / non-display 】

Graduate School 【 display / non-display 】

• 1999.10

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  2002.03

  Tohoku University  Graduate School,Division of Engineering  Doctor's Degree Program  Completed

• 1998.04

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  1999.09

  Tohoku University  Graduate School,Division of Engineering  Master's Degree Program  Completed

Campus Career 【 display / non-display 】

Campus Career 【 display / non-display 】

• 2022.04

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  Now

  Akita University   Graduate School of Engineering Science   Department of Materials Science   Materials Science and Engineering Course   Professor  

• 2020.04

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  Now

  Akita University   Graduate School of Engineering Science   Research Center of Advanced Materials for Breakthrough Technology   Director  

• 2019.04

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  2022.03

  Akita University   Graduate School of Engineering Science   Research Center of Advanced Materials for Breakthrough Technology   Professor  

• 2018.04

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  2019.03

  Akita University   Graduate School of Engineering Science   Research Center of Advanced Materials for Breakthrough Technology   Associate Professor  

• 2016.04

  -

  2018.03

  Akita University   Graduate School of Engineering Science   Research Center for Engineering Science   Associate Professor  

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Research Areas 【 display / non-display 】

Research Areas 【 display / non-display 】

• Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electric and electronic materials

• Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Electron device and electronic equipment

• Nanotechnology/Materials / Thin film/surface and interfacial physical properties

• Nanotechnology/Materials / Structural materials and functional materials

Research Achievements 【 display / non-display 】

Research Achievements 【 display / non-display 】

◆Original paper【 display / non-display 】

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◆Original paper【 display / non-display 】

Investigation of Substitution of Nickel Cations in Cobalt Ferrite (CoFe<inf>2</inf>O<inf>4</inf>) Nanoparticles and Their Influence on Frequency and Temperature Dependent Dielectric and Magnetodielectric Properties

B. Dash, K. L. Routray, S. Saha, S. Yoshimura, S. Ratha, M. K. Rout

Transactions on Electrical and Electronic Materials ( Transactions on Electrical and Electronic Materials )  25 ( 2 ) 232 - 246   2024.03  [Refereed]

Research paper (journal)   International Co-author

DOI

Structural, magnetic and dielectric properties of green synthesized Ag doped NiFe<inf>2</inf>O<inf>4</inf> spinel ferrite

Sunirmal Saha, Krutika Routray, Pritish. Hota, Biswajita Dash, Satoru Yoshimura, Soumyaranjan Ratha, and Traibhab Kumar Nayak

Journal of Molecular Structure ( Journal of Molecular Structure )  1302   2024.03  [Refereed]

Research paper (journal)   International Co-author

DOI

Optimizing the reactive ion etching conditions with minimal damage for high functional magnetic nano device application in BiFeO<inf>3</inf>-based thin film by Eu/Co substitution

S. Ratha, G. Egawa, S. Yoshimura

Applied Surface Science ( Applied Surface Science )  643   158704   2024.01  [Refereed]

Research paper (journal)   Domestic Co-author

DOI

Investigation of Fabrication Conditions and Acceleration of Crystallization of α"-Fe₁₆N₂ Thin Film Fabricated by Pulsed DC Reactive Sputtering for High Density Magnetic Recording Media Application

Ikuko KATSUYAMA, Genta EGAWA, Satoru YOSHIMURA

Journal of the Society of Materials Engineering for Resources of Japan ( The Society of Materials Engineering for Resources of JAPAN )  34 ( 0 ) 6 - 14   2024.01  [Refereed]

Research paper (journal)   Domestic Co-author

DOI CiNii Research

Analysis of substitution of bismuth cations in CoFe<inf>2</inf>O<inf>4</inf> nanoparticles and their influence on frequency and temperature-dependent dielectric and magnetodielectric properties

Biswajita Dash, Sunirmal Saha, Satoru Yoshimura, Soumyaranjan Ratha, and Jashashree Ray

Journal of Materials Science: Materials in Electronics ( Journal of Materials Science: Materials in Electronics )  34 ( 36 )   2023.12  [Refereed]

Research paper (journal)   International Co-author

DOI

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◆Introduction and explanation【 display / non-display 】

To the head of this page.▲

◆Introduction and explanation【 display / non-display 】

Fabrication of high-quality BiFeO3-based ferromagnetic and ferroelectric thin films by pulsed DC reactive sputtering method

  20 ( 1 ) 25 - 30   2025.01  [Refereed]

Introduction and explanation (others)   Single author

Voltage Control of Magnetization Direction of Multiferroic Thin Films and its Application to Novel Magnetic Recording Devices with Electric-Field Writing Method

Satoru Yoshimura

  67 ( 11 ) 68 - 73   2016.11

Introduction and explanation (scientific journal)   Single author

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◆International conference proceedings【 display / non-display 】

To the head of this page.▲

◆International conference proceedings【 display / non-display 】

Development of BiFeO<inf>3</inf>-Based Multiferroic Thin Films with Excellent Magnetic Properties and Investigation of Their Etching Resistance for Magnetic Nano Device Applications

S. Ratha, R. Suzuki, D. Yamamoto, K. Takeda, M. Kuppan, G. Egawa, S. Yoshimura

2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings ( 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings )    2023.05

Research paper (international conference proceedings)   Domestic Co-author

DOI

Effect of B-site Substitution Element and Substitution Amount on Magnetic Properties in (Bi,La)(Fe<inf>1-y</inf>M<inf>y</inf>)O<inf>3</inf> (M = Co, Ni) Ferromagnetic and Ferroelectric Thin Films

Y. Suzuki, T. Ozeki, G. Egawa, and S. Yoshimura

2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings ( 2023 IEEE International Magnetic Conference - Short Papers, INTERMAG Short Papers 2023 - Proceedings )    2023.05

Research paper (international conference proceedings)   Domestic Co-author

DOI

Observation of clear magnetization and polarization reversal by local electric field in BiFeO-based multiferroic thin film with using metallic MFM tip with optimized magnetization

Satoru Yoshimura, Genta Egawa

Proceedings - 2022 IET International Conference on Engineering Technologies and Applications, IET-ICETA 2022 ( IEEE )    2022.12  [Refereed]

Research paper (international conference proceedings)   Domestic Co-author

DOI

Measurement of dynamic magnetization reversal of magnetic film fabricated onto BiFeO3 based multiferroic film by applying electric field and development of the multiferroic film with high magnetization for this method (Invited)

Satoru Yoshimura

AIP Conference Proceedings ( AIP Conference Proceedings )  2391   090001-1 - 090001-6   2022.03  [Refereed]  [Invited]

Research paper (international conference proceedings)   Single author

DOI

High Functional Multiferroic Thin Films for Novel Magnetic Devices with System of Magnetization Reversal by Electric Field (Invited)

S. Yoshimura and M. Kuppan

Proceedings of International Workshop on Materials Technology and Applications 2018     IT2-9 - IT2-13   2018.10  [Invited]

Research paper (international conference proceedings)   Domestic Co-author

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◆Research society, Symposium materials, etc.【 display / non-display 】

To the head of this page.▲

◆Research society, Symposium materials, etc.【 display / non-display 】

Fabrication of metallic ferromagnetic / oxide multiferroic - multilayer structure for electric field control of giant magneto-optical Kerr effect

Satoru Yoshimura

  48 ( 37 ) 40-1 - 40-5   2024.12

Research paper (research society, symposium materials, etc.)   Single author

Fabrication of high-quality α"-Fe16N2 thin film with high saturation magnetization using pulsed DC reactive sputtering method

Ikuko Katsuyama, Genta Egawa, and Satoru Yoshimura

  48 ( 18 ) 31-1 - 31-8   2024.06

Research paper (research society, symposium materials, etc.)   Domestic Co-author

Fabrication of oxide/nitride matrix thin films by pulsed DC reactive sputtering method for realization of Co-based superparamagnetic granular thin films with high magnetization

Takumi Kobayashi, Ryutaro Ono, Genta Egawa, and Satoru Yoshimura

  47   2023.06

Research paper (research society, symposium materials, etc.)   Domestic Co-author

Effects of substituted elements and amounts of B-site on ferromagnetic and ferroelectric properties of ferromagnetic and ferroelectric (Bi,La)(FeyM1-y)O3 (M=Ni or Co or (Ni,Co)) thin films

Yuta Suzuki, Takumi Ozeki, Genta Egawa, and Satoru Yoshimura

  47   2023.06

Research paper (research society, symposium materials, etc.)   Domestic Co-author

Effect of substitution of A-site by alkaline earth metals and laser-assisted heating / annealing on BiFeO3 thin films for induce of ferromagnetism

Riku Suzuki, Takumi Ozeki, Genta Egawa, and Satoru Yoshimura

  46 ( 16 ) 37 - 44   2022.06

Research paper (research society, symposium materials, etc.)   Domestic Co-author

CiNii Research

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Presentations 【 display / non-display 】

Presentations 【 display / non-display 】

• Fabrication of metallic ferromagnetic / oxide multiferroic - multilayer structure for electric field control of giant magneto-optical Kerr effect

  2024.12  -  2024.12 

• Fabrication of perpendicular magnetic thin films with low saturation magnetic field and high saturation magnetization for realizing a new magnetic field sensor with high sensitivity and high signal output

  2024.12  -  2024.12 

• Development of High Performance BiFeO3-based Multiferroic Thin FIlms for Magnetic Device Applications

  Soumyaranjan Ratha, Genta Egawa, and Satoru Yoshimura

  15th Indian scientist association in Japan (ISAJ) Symposium  (Embassy of India, Japan)  2024.10  -  2024.10  The Ambassador of India, Japan

• Effect of Ni and Co dual substitution and oxygen-rich targets on the magnetic and ferroelectric properties of BiFeO3-based multiferroic thin films for magnetic memory devices application

  Swati Sucharita Das, Yuta Suzuki, Soumyaranjan Ratha, Genta Egawa, and Satoru Yoshimura

  The IEEE Around-The-Clock Around-The-Globe Magnetics Conference 2022 (AtC-AtG 2022)  (オンライン開催)  2024.10  -  2024.10  IEEE

• Identify of the magnetic properties of a tip suitable for high-sensitivity domain observation of various BiFeO3-based multiferroic thin films - Creating a quick reference map for optimal tip properties -

  2024.09  -  2024.09 

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Academic Activity 【 display / non-display 】

Academic Activity 【 display / non-display 】

• 2021.04

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  Now

• 2020.04

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  Now

• 2015.04

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  Now

• 2015.04

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  Now