Hiroharu Sugawara

Profile Information

Affiliation: Associate Professor, Tokyo Metropolitan University

Degree: (BLANK)(The University of Tokyo)

J-GLOBAL ID: 200901043924476434
researchmap Member ID: 1000364657

Research Areas

Research History

Apr, 2005 - Present

首都大学東京
2001 - 2004

Tokyo Metropolitan Institute of Technology
2001 - 2004

Associate Proffessor, Department of Electronic
1998 - 2000

Tokyo Metropolitan Institute of Technology
1998 - 2000

Research associate, Department of Electronic
1994 - 1998

The Graduate School of Engineering, Department of Applied Chemistry, The University of Tokyo
1994 - 1998

Research associate, Department of Applied
1994

新技術事業団量子遷移プロジェクト研究員
1994

Research associate, Quantum Transition
1993

新技術事業団量子波プロジェクト技術員
1993

Technical associate, Quantum Wave Project,
Institute of Technology
Insituted of Technology
Systems Engineering, Tokyo Metropolitan
Chemistry, University of Tokyo
Corporatom of Japan(JST)
Project(IJRP) Science and Technology
of Japan(JRDC)
ERATO Research and Development Corporation

Education

- 1994

The University of Tokyo
- 1994

Graduate School, Division of Engineering, The University of Tokyo

Awards

1996

応用磁気学会論文賞

Papers

Preliminary study for deposition of Mg<sub>2</sub>Si thin films with high-power impulse magnetron sputtering

Keita Mukogawa, Hiroharu Sugawara, Mizuki Fujiwara, Tetsushi Matsuoka, Tetsuhide Shimizu, Taiki Yamamoto, Naoto Saito, Tamaki Hattori, Tatsuro Hanahjiri, Shunji Kurosu

JJAP Conference Proceedings, 10 011003-011003, 2023 Corresponding author
Energetic consideration of compounds at Mg2Si-Ni electrode interlayer produced by spark-plasma sintering

Yoji Imai, Hiroharu Sugawara, Yoshihisa Mori, Shigeyuki Nakamura, Atsushi Yamamoto, Ken-ichi Takarabe

JAPANESE JOURNAL OF APPLIED PHYSICS, 56(5), May, 2017 Peer-reviewed
Time-resolved photoluminescence study of InGaAs quantum dot structure prepared by ultrahigh-rate molecular beam epitaxial growth technique

H. Sugawara, F. Tanoue, S. Kitamura, T. Katsuyama, K. Akahane, N. Yamamoto

Conference Digest - IEEE International Semiconductor Laser Conference, 147-148, Dec 16, 2014 Peer-reviewed
Time-Resolved Photoluminescence Study of InGaAs Quantum Dot Structure Prepared by Ultrahigh-rate Molecular Beam Epitaxial Growth Technique

H. Sugawara, F. Tanoue, S. Kitamura, T. Katsuyama, K. Akahane, N. Yamamoto

2014 24TH IEEE INTERNATIONAL SEMICONDUCTOR LASER CONFERENCE (ISLC 2014), 147-148, 2014 Peer-reviewed
High net modal gain (> 100 cm(-1)) in 19-stacked InGaAs quantum dot laser diodes at 1000 nm wavelength band

Fumihiko Tanoue, Hiroharu Sugawara, Kouichi Akahane, Naokatsu Yamamoto

OPTICS LETTERS, 38(13) 2333-2335, Jul, 2013 Peer-reviewed
Gain Measurement of Highly Stacked InGaAs Quantum Dot Laser with Hakki-Paoli Method

Fumihiko Tanoue, Hiroharu Sugawara, Kouichi Akahane, Naokatsu Yamamoto

JAPANESE JOURNAL OF APPLIED PHYSICS, 52(4), Apr, 2013 Peer-reviewed
Improved temperature characteristics of highly stacked InGaAs/GaAs quantum dot lasers

Fumihiko Tanoue, Hiroharu Sugawara, Kouichi Akahane, Naokatsu Yamamoto

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 10, NO 11, 10(11) 1461-1464, 2013 Peer-reviewed
Crystallization of magnesium silicide droplets prepared on unheated silicon substrate by pulsed laser deposition

Hiroharu Sugawara, Asuka Izutsu, Takashi Igarashi, Genki Kubo

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 10, NO 12, 10(12) 1793-1795, 2013 Peer-reviewed
High threshold modal gain based on highly stacked InGaAs quantum dot laser diode

F. Tanoue, H. Sugawara, K. Akahane, N. Yamamoto

Conference Digest - IEEE International Semiconductor Laser Conference, 96-97, 2012 Peer-reviewed
High Threshold Modal Gain Based on Highly Stacked InGaAs Quantum Dot Laser Diode

F. Tanoue, H. Sugawara, K. Akahane, N. Yamamoto

2012 23RD IEEE INTERNATIONAL SEMICONDUCTOR LASER CONFERENCE (ISLC), 96-+, 2012 Peer-reviewed
99-mu m-long-cavity Laser Diode Using Highly Stacked InGaAs Quantum Dots

F. Tanoue, H. Sugawara, K. Akahane, N. Yamamoto

2012 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO), 2012 Peer-reviewed
Highly stacked InGaAs quantum dot laser diodes fabricated by ultrahigh-rate molecular beam epitaxial growth technique

Fumihiko Tanoue, Hiroharu Sugawara, Kouichi Akahane, Naokatsu Yamamoto

PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 9, NO 2, 9(2), 2012 Peer-reviewed
Relationship of Surface Tension, Oxygen Partial Pressure, and Temperature for Molten Iron

Shumpei Ozawa, Suguru Takahashi, Shoji Suzuki, Hiroharu Sugawara, Hiroyuki Fukuyama

JAPANESE JOURNAL OF APPLIED PHYSICS, 50(11), Nov, 2011 Peer-reviewed
Silicon-based photonic network devices and materials

N. Yamamoto, K. Akahane, Y. Naka, M. Kishi, H. Sugawara, T. Kawanishi, Y. Nakamura, M. Tsuchiya

ACTIVE AND PASSIVE OPTICAL COMPONENTS FOR COMMUNICATIONS VII, 6775, 2007 Peer-reviewed
Low temperature formation of ß-FeSi2 polycrystalline microstructure by pulsed laser deposition and thermal annealing

Sugawara Hiroharu, Nakamura Shingo, Masayuki Oouchi, Yui Kumura, Takenobu Shishido, Takatoshi Igarashi, Masato Kishi, Masahiro Tsuchiya, Masahiro Tsuchiya

IEICE Electronics Express, 1(9) 253-257, 2004 Peer-reviewed
Anisotropic magnetic domain structure of layered manganite La1.4Sr1.6Mn2O7

T Fukumura, T Hasegawa, H Sugawara, K Tanaka, H Sakaki, T Kimura, Y Tokura

APPLIED PHYSICS LETTERS, 78(14) 2023-2025, Apr, 2001 Peer-reviewed
Electronic phase transition in layered materials 1T-TaSxSe2-x probed by cryogenic STM/STS

T Hasegawa, O Shiino, W Yamaguchi, T Endo, H Sugawara, K Kitazawa

ACTA PHYSICA POLONICA A, 93(2) 297-305, Feb, 1998 Peer-reviewed
Acceleration Effect on the Rate of Dissolution of Oxygen in a Magnetic Field

IKEZOE Y., HIROTA N., SAKIHAMA T., MOGI K., UETAKE H., HOMMA T., NAKAGAWA J., SUGAWARA H., KITAZAWA K.

Journal of the Magnetics Society of Japan, 22(4-2) 821-824, 1998
Observation of Ferromagnetic Material and High-Temperature Superconductor with a Variable-Temperature Scanninng Hall Probe Microscope

FUKUMURA T., SUGAWARA H., KITAZAWA K., HASEGAWA T., TANAKA K., NAGAMUNE Y., NODA T., SAKAKI H., KANDA N., KAWASAKI M. …

Journal of the Magnetics Society of Japan, 第22(4-2) 845-848, 1998
Surface characterization of HTSC by atomic-site tunneling spectroscopy

K Kitazawa, T Hasegawa, H Sugawara

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 31(1) 27-30, Jul, 1997 Peer-reviewed

Misc.

Gain characterization of 19-stacked InGaAs/GaAs quantum dot laser diode fabricated by ultrahigh rate MBE growth technique

Tanoue Fumihiko, Hiroharu Sugawara, Akahane Kouichi, Yamamoto Naokatsu

Technical report of IEICE. LQE, 112(356) 1-4, Dec 13, 2012
Fabrication of highly stacked InGaAs/GaAs quantum dot laser diode for 1-μm photonic waveband with ultrahigh rate MBE growth technique

TANOUE Fumihiko, SUGAWARA Hiroharu, AKAHANE Kouichi, YAMAMOTO Naokatsu

IEICE technical report, 111(185) 113-116, Aug 18, 2011
Fabrication of 1μm waveband high growth rate quantum dots laser for low threshold current

NAKAMURA Takuya, AKAHANE Kouichi, YAMAMOTO Naokatsu, KAWANISHI Tetsuya, SUGAWARA Hiroharu

IEICE technical report, 109(401) 71-74, Jan 21, 2010
Low temperature formation of ß-FeSi2 polycrystalline microstructure by pulsed laser deposition and thermal annealing

Sugawara Hiroharu, Nakamura Shingo, Masayuki Oouchi, Yui Kumura, Takenobu Shishido, Takatoshi Igarashi, Masato Kishi, Masahiro Tsuchiya, Masahiro Tsuchiya

IEICE Electronics Express, 1(9) 253-257, 2004
Chapter 204 Characterization of cuprate superconductors using tunneling spectra and scanning tunneling microscopy

Hiroharu Sugawara, Tetsuya Hasegawa, Koichi Kitazawa

Handbook on the Physics and Chemistry of Rare Earths, 31 563-607, 2001
Development of a scanning Hall probe microscope for simultaneous magnetic and topographic imaging

T Fukumura, H Sugawara, K Kitazawa, T Hasegawa, Y Nagamune, T Noda, H Sakaki

MICRON, 30(6) 575-578, Dec, 1999
Spontaneous bubble domain formation in a layered ferromagnetic crystal

T Fukumura, H Sugawara, T Hasegawa, K Tanaka, H Sakaki, T Kimura, Y Tokura

SCIENCE, 284(5422) 1969-1971, Jun, 1999
Synthesis and properties of polyamides with [60]fullerene in the main chain

M Ozawa, J Li, K Nakahara, LX Xiao, H Sugawara, K Kitazawa, K Kinbara, K Saigo

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY, 36(17) 3139-3146, Dec, 1998
Reproducible superconducting gap on clean surfaces of BiSrCaCuO prepared by etching with a scanning tunneling microscope tip

S Matsuura, T Taneda, W Yamaguchi, H Sugawara, T Hasegawa, K Kitazawa

PHYSICA C, 300(1-2) 26-32, May, 1998
Enhancement of Friedel oscillation in the insulating phases of 1T-TaS2 and 1T-TaSe2

O Shiino, T Endo, W Yamaguchi, H Sugawara, K Kitazawa, T Hasegawa

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 66 S175-S179, Mar, 1998
Electronic phase transition in layered materials 1T-TaSxSe2-x probed by cryogenic STM/STS

T Hasegawa, O Shiino, W Yamaguchi, T Endo, H Sugawara, K Kitazawa

ACTA PHYSICA POLONICA A, 93(2) 297-305, Feb, 1998
Enhancement of intersubband transition energies in GaAs quantum wells by Si delta doping of high concentration

R Sasagawa, H Sugawara, Y Ohno, H Nakajima, S Tsujino, H Akiyama, H Sakaki

APPLIED PHYSICS LETTERS, 72(6) 719-721, Feb, 1998
STM/STS and Terminating Surface on HTSC(共著)

High Temperature Superconductivity, Ten Years After Discovery, Narosa Publishing House, 173-178, 1998
Surface etching of 1T-TaS2 with the UHV-STM

W Yamaguchi, O Shiino, H Sugawara, T Hasegawa, K Kitazawa

APPLIED SURFACE SCIENCE, 119(1-2) 67-75, Sep, 1997
Local variation of electronic structure in BiSrCaCuO investigated by cryogenic STM/STS

K Kitazawa, T Hasegawa, T Taneda, S Matsuura, T Endo, H Sugawara, J Shimoyama, K Kishio

PHYSICA C, 282(Pt.3) 1479-1480, Aug, 1997
Surface characterization of HTSC by atomic-site tunneling spectroscopy

K Kitazawa, T Hasegawa, H Sugawara

JOURNAL OF THE KOREAN PHYSICAL SOCIETY, 31(1) 27-30, Jul, 1997
Observation of oxygen dissolution process into water under magnetic field

Ikezoe Y., Homma T., Hirota N., Sakihama T., Mogi K., Sugawara H., Kitazawa K., Yokoi H., Katoh R., Kakudate Y. …

Abstracts of the meeting of the Physical Society of Japan. Sectional meeting, 1996(3) 34-34, Sep 13, 1996
On the superconducting gap structure of high-temperature superconductors by STM/STS

K Kitazawa, H Sugawara, T Hasegawa

PHYSICA C, 263(1-4) 214-217, May, 1996
Magnetic field effect on interface profile between immiscible nonmagnetic liquids - Enhanced Moses effect

H Sugawara, N Hirota, T Homma, M Ohta, K Kitazawa, H Yokoi, Y Kakudate, S Fujiwara, M Kawamura, S Ueno …

JOURNAL OF APPLIED PHYSICS, 79(8) 4721-4723, Apr, 1996
Electronic states in edge quantum wires on GaAs/AlGaAs facet structures

M Yamauchi, Y Nakamura, Y Kadoya, H Sugawara, H Sakaki

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 35(3) 1886-1889, Mar, 1996

Presentations

Preliminary study for deposition of Mg2Si thin films with high-power impulse magnetron sputtering

K. Mukogawa, M. Fujiwara, T. Matsuoka, H. Sugawara, T. Shimizu, T. Yamamoto, N. Saito, T, Hattori, T. Hanajiri, S. Kurosu

The 6th Asia-Pacific Conference on Semiconducting Silicides and Related Materials, 2022 (APAC-Silicide 2022)
Effect of spark plasma sintering temperature on microstructures across the interfaces between thermoelectric-material Mg2Si and Ni electrode

I. Murakami, T. Ishii, H. Sugawara, H. Kawada, S. Kurosu, H. Shimizu, H. Sato, T. Hanajiri, I. Ando, K. Hayashi, Y. Miyazaki
下水処理過程で発生する低温余剰廃熱からの熱発電試験

菅原宏治, 平澤千秋, 西当弘隆, 岸本長

日本熱電学会学術講演会
"Quasi-Particle First Principle Calculation of Energy Bands and Carrier Densities in Distorted Mg2Si"

SUGAWARA Hiroharu

, International Conference on Thermoelectrics (ICT 2017), Aug, 2017
"Evaluation of a Bandgap of Cubic Mg2Si by First Principle Calculation with PMT-QSGW",

SUGAWARA Hiroharu

, Asia-Pacific Conference on Semiconducting Silicides and Related Materials Science and Technology (APAC-SILICIDE201, Jul, 2016
"Energetic Consideration of Compounds Formed at Mg2Si/Ni Electrode Boundary Layer"

SUGAWARA Hiroharu

Asia-Pacific Conference on Semiconducting Silicides and Related Materials Science and Technology (APAC-SILICIDE2016), Jul, 2016
"Theoretical investigation of electronic structures of Mg2Si lightly doped by p-type impurity atoms",

SUGAWARA Hiroharu

International Conference on Thermoelectrics (ICT 2016), Jul, 2016

Teaching Experience

Professional Memberships

Research Projects

Development of automotive silicide thermoelectric battery possessing sufficient power generation ability and long-lifetime

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Iida Tsutomu, KOTSUGI Masato, TAKEUCHI Ken
シリコンナノ導波路による誘導ラマン増幅

科学研究費助成事業, 萌芽研究, 日本学術振興会, 2005 - 2006

NUNES Luis・Romeu, 植田憲一, 土屋昌弘, 菅原宏治, 笹川清隆
マイクロ凝集液滴の接触角を測定することによる表面エネルギー分布評価手法の提案

科学研究費助成事業, 萌芽研究, 日本学術振興会, 2001 - 2002

梅原徳次, 菅原宏治
Clarification of ultra low friction mechanism of CNx in Nitrogen and design of low friction sliding system

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2001 - 2002

UMEHARA Noritsugu, HASHIZUME Tsuyoshi, SUGAWARA Kouji
磁場下における化学平衡・化学過程の観測と制御

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1997 - 1998

菅原宏治
磁場を用いた非磁性物質の化学平衡の制御

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1996 - 1996

菅原宏治
ホールセンサー一体型プローブを用いた高温超伝導体のSTM観察

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1995 - 1995

菅原宏治
銅酸化物の局所電子・磁気物性

科学研究費助成事業, 重点領域研究, 日本学術振興会, 1995 - 1995

北沢宏一, 菅原宏治, 長谷川哲也

Profile Information

Research Areas

Research History

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Misc.

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Teaching Experience

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