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Associate Professor, Kyoto University

Tetsu ICHITSUBO, PhD

Research ID: http://www.researcherid.com/rid/F-3201-2010

 

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Education & Career

1972.10                 Date of Birth

1991.4-1995.3        Kyoto University, Bachelor course

1995.4-1997.3        Kyoto University, Master course

1997.4-2000.3        Kyoto University, Ph.D. course

2000.4-2003.3        Research Associate, Osaka University

2003.4-2005.5        Research Associate, Tohoku University

2005.6-2006.7        Assistant Professor, Kyoto University

2006.8-Present      Associate Professor, Kyoto University

Visiting

2003.4-2006.3        Visiting Researcher, National Institute for Materials Science (NIMS)

2007.10-2008.9      Visiting Associate Professor, Tohoku University

2010.4-2011.3        Visiting Associate Professor, The University of Tennessee at Knoxville

Awards

2001                     11th Young Researcher Award (The Japan Institute of Metals)

2004                     44th Harada Research Award (Honda Memorial Foundation)
2010                     31th Honda Young Researcher Award ((Honda Memorial Foundation)

 

 

Affiliation

Department of Materials Science and Engineering, Kyoto University

Laboratory

Boss: Professor Eiichiro Matsubara (Laboratory HP)

Academic Societies

The Japan Institute of Metals
The Physical Society of Japan
The Iron and Steel Institute of Japan
The Japan Society of Applied Physics

 

Research Project

Materials Science of Bulk Metallic Glasses (Grant-in-Aid for Scientific Research on Priority Areas, MEXT, Japan)

Research Activities

All Papers List (Journal-publication List)

See also: Research ID: http://www.researcherid.com/rid/F-3201-2010

 

Research Fields

Selected Papers

Rechargeable batteries, Electrode materials

&  Mechanical-energy influences to electrochemical phenomenon in lithium-ion batteries,
T. Ichitsubo, S. Yukitani, K. Hirai*, S. Yagi, T. Uda, E. Matsubara,
Journal of Materials Chemistry
, accepted for publication.

&  Effects of transformation strain due to lithiation/delithiation in Sn electrode of Li-ion batteries, 
T. Ichitsubo, K. Hirai*, S. Yukitani, E. Matsubara, 
Electrochemistry 78, 460-462 (2010).

&  Effects of volume strain due to Li-Sn compound formation on electrode potential in lithium ion batteries,
K. Hirai, T. Ichitsubo, T. Uda, A. Miyazaki, S. Yagi, and E. Matsubara,
Acta Materialia, 56, 1539-1545 (2008).

&  Potential positive electrodes for high-voltage rechargeable magnesium-ion batteries,
T. Ichitsubo, T. Adachi, S. Yagi, N. Kamioka, T. Uda, E. Matsubara,
Journal of Materials Chemistry
, accepted for publication.

&  Synthesis of Spinel-Type Magnesium Cobalt Oxide and Its Electrical Conductivity, 
N. Kamioka,
 T. Ichitsubo, T. Uda, S. Imashuku, Y. Taninouchi and E. Matsubara, 
Materials Transactions 49, 824-828 (2008).

Glass Transition

Dynamic Relaxation Process

Crystallization Process

Ultrasonic Perturbation

&  Nanoscale elastic inhomogeneity of a Pd-based metallic glass: Sound velocity from ultrasonic and inelastic x-ray scattering experiments,
T. Ichitsubo, S. Hosokawa, K. Matsuda, E. Matsubara, N. Nishiyama, S. Tsutsui, A. Q. R. Baron,
Physical Review B 76, 140201(R) (2007).

&  Microstructure of fragile metallic glasses inferred from ultrasound-accelerated crystallization in Pd-based metallic glasses,
T. Ichitsubo, E. Matsubara, T. Yamamoto, H. S. Chen, N. Nishiyama, J. Saida, K. Anazawa,
Physical Review Letters 95, 245501 (2005). [Description]

&  Glass-liquid transition in a less-stable metallic glass,
T. Ichitsubo, E. Matsubara, H. Numakura, K. Tanaka, N. Nishiyama, R. Tarumi,
Physical Review B 72, 052201 (2005). [Description]

&  Ultrasound-induced crystallization around the glass transition temperature for Pd40Ni40P20 metallic glass,
T. Ichitsubo, E. Matsubara, S. Kai, and M. Hirao,
Acta Materialia 52, 423-429 (2004).

Phase Transition

Microstructural Evolution

Control of Microstructure under External Fields

&  Effect of external fields on ordering of FePd,
K. Tanaka, T. Ichitsubo and M. Koiwa,

Material Science and Engineering A312, 118-127 (2001).

&  Kinetics of cubic to tetragonal transformation under external field by the time-dependent Ginzburg-Landau approach,
T. Ichitsubo, K. Tanaka, M. Koiwa and Y. Yamazaki,
Physical Review B 62, 5435-5441 (2000)
. [Description]

&  Configurational free energy in order-disorder transition by Monte Carlo method and calculation for system under external fields,
T. Ichitsubo, K. Tanaka, H. Numakura and M. Koiwa,
Physical Review B 60, 9198-9201 (1999).

DeviceMaterials

Electronic devices

Magnetic devices

Photocatalytic devices

&  Control of c-axis orientation of L10-FePd in dual-phase-equilibrium FePd/Fe thin films,
T. Ichitsubo, S. Takashima, and E. Matsubara, S. Tsukimoto, Y. Tamada and T. Ono,
Submitted to Journal of Applied Physics.

&  Formation of columnar-shaped structure of Fe in Fe-Cr-Sn thin films and its shape-magnetic anisotropy,
T. Ichitsubo, T. Uchihara, and E. Matsubara, S. Tsukimoto, Y. Tamada and T. Ono,
Japanese Journal of Applied Physics
, accepted for publication.

&  Exchange-coupling of c-axis oriented L10-FePd and Fe in FePd/Fe thin films,
T. Ichitsubo, S. Takashima, and E. Matsubara, Y. Tamada and T. Ono,
Applied Physics Letters 97, 182508 (2010).

&  Control of compound forming reaction at the interface between SnZn solder and Cu substrate,
T. Ichitsubo, E. Matsubara, K. Fujiwara, M. Yamaguchi, H. Irie, S. Kumamoto, T. Anada,
Journal of Alloys and Compounds 392, 200-205 (2005).

&  Effects of external magnetic field on FePt films during heat treatment,
T. Ichitsubo, K. Tanaka, M. Koujina, M. Kawashima, and M. Hirao,
Japanese Journal of Applied Physics 43, 273-276 (2004).
[Description]

&  Fabrication of Isolated FePd Nanoparticles by Sputtering and Heat Treatment,
T. Ichitsubo, M. Koujina, M. Kawashima, and M. Hirao,
Japanese Journal of Applied Physics 42, 2858-2859 (2003).
[Description]

Micromechanics modeling and its application

Effective-Mean-Field theory

&  Effective-mean-field approach for macroscopic elastic constants of composites,
M. Tane and T. Ichitsubo,
Applied Physics Letters 85, 197 (2004).

&  Rafting Mechanism for Ni-Base Superalloy under External Stress: Elastic or Elastic-Plastic Phenomena?,
T. Ichitsubo, D. Koumoto, M. Hirao, K. Tanaka, M. Osawa, T. Yokokawa, and H. Harada,
Acta Materialia 51, 4033-4044 (2003).

&  Anisotropic Elastic Constants of Lotus-Type Porous Copper: Measurements and Micromechanics Modeling,
T. Ichitsubo, M. Tane, H. Ogi, M. Hirao, T. Ikeda and H. Nakajima,
Acta Materialia 50, 4105-4115 (2002).

Elastic-Stiffness Measurements by Ultrasonic Resonance Methods

RUS & EMAR

&  Single-crystal elastic constants of disordered and ordered FePd,
T. Ichitsubo and K. Tanaka,
Journal of Applied Physics 96, 6220-6223 (2004).

&  Elastic anisotropy of rafted Ni-base superalloy at high temperatures,
T. Ichitsubo, D. Koumoto, M. Hirao, K. Tanaka, M. Osawa, T. Yokokawa, and H. Harada,
Acta Materialia 51, 4863-4869 (2003).

&  Single-Crystal elastic constants of gamma-TiAl,
K. Tanaka, T. Ichitsubo, H. Inui, M. Yamaguchi and M. Koiwa,
Philosophical Magazine Letters 73, 71-78 (1996)
.

 

 

International Conferences

Invitations to international conferences

Ø  (Invited) T. Ichitsubo and E. Matsubara
乬Ultrasound-induced crystallization of bulk metallic glasses乭
The 14th International Conference on Internal Friction and Mechanical Spectroscopy (ICIFMS-14), September 5-9, 2005, Kyoto, Japan

Ø  (Invited) T. Ichitsubo and E. Matsubara
乬Structural instability of bulk metallic glasses under radiofrequency-ultrasonic perturbation乭
The Fifth International Bulk Metallic Glasses Conference (BMG-V), October 1-5, 2006, Awaji, Hyogo, Japan

Ø  (Invited) S. Zhang, T. Ichitsubo, Y. Yokoyama, K. Miyagi, and E. Matsubara
乬Structural Stability and Elasticity in Zr-based Bulk Metallic Glasses乭
The Sixth Pacific Rim International Conference on Advanced Materials and Processing (PRICM-6), November 5-9, 2007,
Jeju, Korea

Ø  (Invited) T. Ichitsubo and E. Matsubara
Structure and properties of metallic glasses studied by elasticity and anelasticity乭
The 15th International Conference on Internal Friction and Mechanical Spectroscopy (ICIFMS-15), July 20-25, 2008, Perugia, Italy

Ø  (Invited) T. Ichitsubo and E. Matsubara
乬Intrinsic elastic inhomogeneity in metallic glasses乭
16th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMANAM 2009), July 5-9, 2009, Beijing, China

Ø  (Invited) T. Ichitsubo and E. Matsubara
乬Intrinsic Nanoscale Elastic Inhomogeneity Governing Physical And Mechanical Properties Of Metallic Glasses乭
6th International Discussion Meeting on Relaxations in Complex Systems

Ø  (Invited) T. Ichitsubo
乬Intrinsic
nanoscale elastic inhomogeneity characterizing metallic glasses乭
12th International Workshop on Complex System, Andalo, Trento (Italy), 15-18 March 2010

 

Keywords

 

Phase transition

Elasticity

Micromechanics

Ultrasonics

X-ray structure analysis

Computer simulation

Sputtered thin film

Metallic glasses

Ni-base superalloy

Pb free solder

Ni base superalloy

Glass transition, Ultrasound-accelerated crystallization/instability of glasses, Microstructural model of fragile glasses

Metallic glasses under ultrasound (radiofrequency) vibrations

Elasticity and anelasticity through the glass transition

Phase transitions, Microstructural evolution under external fields

Effects of external stress/magnetic field on fcc-L10 ordering of FePd alloy

Free-energy calculation via thermodynamic integration with Monte-Carlo simulation

Time-dependent Ginzburg-Landau simulation for cubic-tetragonal structural phase transition under external field

Thermal fluctuation for the time-dependent Ginzburg-Landau simulation

High-temperature material Ni-base superalloy

Rafting mechanism of Ni-base superalloy

Raft-collapse mechanism of Ni-base superalloy and its non-destructive evaluation

Elastic-constants measurement and micromechanics modeling

Effective-mean filed theory for calculating macroscopic elastic modulus of composites (developed by M. Tane and T. Ichitsubo)

Elastic constants of lotus-type porous metals (Cu, Mg, Fe, Ni etc) (developed by Prof. Hideo Nakajima of Osaka University)

Magnetic thin film and its structural control

Fabrication of High-density recording thin film,

Controlling thin film structure by external fields and nanoparticles (FePt. FePd, CoPt) array

Conveniences

Convenient search engine for journals: Google Scholar, Scirus

Translator Website: Altavista

Deep mail*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Hobby

Drinking, Soccer, Shogi, Classic piano