Yasukazu Murakami

1990

Study on Momentum Density of Electrons and Fermi Surface in Niobium by Positron Annihilation

Kubota, T., Kondo, H., Watanabe, K., Murakami, Y., Cho, Y. K., Tanigawa, S., Kawano, T. & Bahng, G. W., Jan 1 1990, In : journal of the physical society of japan. 59, 12, p. 4494-4502 9 p.

Research output: Contribution to journal › Article

positron annihilation

niobium

Fermi surfaces

momentum

Fourier transformation

1991

12 Citations (Scopus)

Study on Momentum Density and Fermi Surface in Paramagnetic Cr and W by Positron Annihilation

Kubota, T., Kondo, H., Nakashima, H., Murakami, Y. & Tanigawa, S., Jan 1 1991, In : physica status solidi (b). 168, 1, p. 179-191 13 p.

Research output: Contribution to journal › Article

Positron annihilation

Fermi surface

positron annihilation

Fermi surfaces

Momentum

1992

25 Citations (Scopus)

Crystallography of stress-induced B2→7R martensitic transformation in a Ni-37.0 at%Al alloy

Murakami, Y., Otsuka, K., Hanada, S. & Watanabe, S., Jan 1 1992, In : Materials Transactions, JIM. 33, 3, p. 282-288 7 p.

Research output: Contribution to journal › Article

Crystallography

Martensitic transformations

martensitic transformation

martensite

Martensite

10 Citations (Scopus)

Study on Momentum Density of Electrons and Fermi Surface in Aluminum by Positron Annihilation

Nakashima, H., Kubota, T., Kondo, H., Murakami, Y. & Tanigawa, S., Jan 1 1992, In : physica status solidi (b). 170, 1, p. 171-188 18 p.

Research output: Contribution to journal › Article

Positron annihilation

Fermi surface

positron annihilation

Aluminum

Fermi surfaces

1993

8 Citations (Scopus)

Study on the Three‐Dimensional Electron Momentum Density and the Fermi Surface in Cu by Positron Annihilation

Kondo, H., Kubota, T., Nakashima, H., Murakami, Y. & Tanigawa, S., Jan 1 1993, In : physica status solidi (b). 177, 2, p. 345-360 16 p.

Research output: Contribution to journal › Article

Positron annihilation

Fermi surface

positron annihilation

Fermi surfaces

Momentum

1994

19 Citations (Scopus)

Effect of ageing ζ' ₂ martensite on the enthalpy of transformation in a Au-49.5 at% Cd alloy

Murakami, Y., Morito, S., Nakajima, Y., Otsuka, K., Suzuki, T. & Ohba, T., Jan 1 1994, In : Materials Letters. 21, 3-4, p. 275-278 4 p.

Research output: Contribution to journal › Article

martensite

Martensite

Enthalpy

Aging of materials

enthalpy

75 Citations (Scopus)

Improvement of a Ti₅₀Pd₃₀Ni₂₀ high temperature shape memory alloy by thermomechanical treatments

Golberg, D., Xu, Y., Murakami, Y., Morito, S., Otsuka, K., Ueki, T. & Horikawa, H., May 15 1994, In : Scripta Metallurgica et Materiala. 30, 10, p. 1349-1354 6 p.

Research output: Contribution to journal › Article

Thermomechanical treatment

Superplasticity

Cold rolling

Shape memory effect

Titanium alloys

23 Citations (Scopus)

New martensite structures and composition dependence of martensitic transformations in Ni₅₀Al_xMn_50-x alloys

Inoue, T., Morito, S., Murakami, Y., Oda, K. & Otsuka, K., Jan 1 1994, In : Materials Letters. 19, 1-2, p. 33-37 5 p.

Research output: Contribution to journal › Article

Martensitic transformations

martensitic transformation

martensite

Martensite

Chemical analysis

34 Citations (Scopus)

Self-accomodation and morphology of 14M (7R) martensites in an Ni370at.%Al alloy

Murakami, Y., Otsuka, K., Hanada, S. & Watanabe, S., Dec 20 1994, In : Materials Science and Engineering A. 189, 1-2, p. 191-199 9 p.

Research output: Contribution to journal › Article

martensite

Martensite

Diamond

Diamonds

diamonds

1995

65 Citations (Scopus)

Characteristics of Ti₅₀Pd₃₀Ni₂₀ high-temperature shape memory alloy

Golberg, D., Xu, Y., Murakami, Y., Morito, S., Otsuka, K., Ueki, T. & Horikawa, H., Jan 1 1995, In : Intermetallics. 3, 1, p. 35-46 12 p.

Research output: Contribution to journal › Article

Shape memory effect

Temperature

Thermomechanical treatment

Cold rolling

Annealing

60 Citations (Scopus)

High-temperature shape memory effect in Ti₅₀Pd_{50 - x}Ni_x (x = 10, 15, 20) alloys

Golberg, D., Xu, Y., Murakami, Y., Otsuka, K., Ueki, T. & Horikawa, H., Jan 1 1995, In : Materials Letters. 22, 5-6, p. 241-248 8 p.

Research output: Contribution to journal › Article

Shape memory effect

recovery

Recovery

critical loading

Heat treatment

1996

18 Citations (Scopus)

Effect of quenched-in vacancies on the martensitic transformation

Murakami, Y., Nakajima, Y. & Otsuka, K., Mar 15 1996, In : Scripta Materialia. 34, 6, p. 955-962 8 p.

Research output: Contribution to journal › Article

Electric resistance measurement

Gold Alloys

Metal melting

Electrolytic polishing

Thermoelasticity

1997

9 Citations (Scopus)

An isothermal martensitic transformation in a quenched Au-49.5at%Cd alloy

Kozuma, M., Murakami, Y., Kawano, T. & Otsuka, K., Jan 15 1997, In : Scripta Materialia. 36, 2, p. 253-258 6 p.

Research output: Contribution to journal › Article

gold alloys

martensitic transformation

temperature effects

reaction kinetics

quenching

38 Citations (Scopus)

Characteristics and mechanism of martensite ageing effect in Au-Cd alloys

Murakami, Y., Nakajima, Y., Otsuka, K., Ohba, T., Matsuo, R. & Ohshima, K., Jan 1 1997, In : Materials Science and Engineering A. 237, 1, p. 87-101 15 p.

Research output: Contribution to journal › Article

martensite

Martensite

Aging of materials

Activation energy

activation energy

52 Citations (Scopus)

Observations of long-period structures associated with charge ordering

Murakami, Y., Shindo, D., Chiba, H., Kikuchi, M. & Syono, Y., Jan 1 1997, In : Physical Review B - Condensed Matter and Materials Physics. 55, 22, p. 15043-15047 5 p.

Research output: Contribution to journal › Article

Manganese oxide

Electron diffraction

Perovskite

Scattering

Ions

1998

4 Citations (Scopus)

Application of electron hologram to morphological analysis of spindle-type hematite particles

Shindo, D., Murakami, Y. & Hirayama, T., Jan 1 1998, In : Materials Transactions, JIM. 39, 2, p. 322-324 3 p.

Research output: Contribution to journal › Article

spindles

Hematite

Holograms

hematite

Electrons

25 Citations (Scopus)

Crystal structure and thermal expansion of Ca₂Y₂Si₂O₉

Yamane, H., Nagasawa, T., Murakami, Y., Kamata, T., Shindo, D., Shimada, M. & Endo, T., Jan 1 1998, In : Materials Research Bulletin. 33, 6, p. 845-853 9 p.

Research output: Contribution to journal › Article

Silicates

Electron diffraction

Thermal expansion

Anions

thermal expansion

17 Citations (Scopus)

Electronic structure changes associated with a martensitic transformation in a Ti₅₀Ni₄₈Fe₂ alloy studied by electron energy-loss spectroscopy

Murakami, Y., Shindo, D., Otsuka, K. & Oikawa, T., Jan 1 1998, In : Journal of Electron Microscopy. 47, 4, p. 301-309 9 p.

Research output: Contribution to journal › Article

Electron Energy-Loss Spectroscopy

Electron energy loss spectroscopy

Martensitic transformations

martensitic transformation

Electronic structure

34 Citations (Scopus)

In-situ observations of R-phase transformation in a Ti₅₀Ni₄₈Fe₂ alloy by electron microscopy

Tamiya, T., Shindo, D., Murakami, Y., Bando, Y. & Otsuka, K., Jul 1998, In : Materials Transactions, JIM. 39, 7, p. 714-723 10 p.

Research output: Contribution to journal › Article

Electron microscopy

phase transformations

electron microscopy

Phase transitions

Acoustic impedance

12 Citations (Scopus)

Structural and Morphological Changes Associated with Charge Ordering in La_0.2Ca_0.8MnO₃

Murakami, Y., Shindo, D., Chiba, H., Kikuchi, M. & Syono, Y., Nov 1 1998, In : Journal of Solid State Chemistry. 140, 2, p. 331-336 6 p.

Research output: Contribution to journal › Article

periodic variations

manganese ions

Manganese oxide

manganese oxides

Manganese

35 Citations (Scopus)

Synthesis and characterization of (Bi, AE)MnO₃ (AE = Ca, Sr) system

Chiba, H., Atou, T., Faqir, H., Kikuchi, M., Syono, Y., Murakami, Y. & Shindo, D., May 1 1998, In : Solid State Ionics. 108, 1-4, p. 193-199 7 p.

Research output: Contribution to journal › Article

Bismuth

Ferromagnetism

bismuth

ferromagnetism

Manganites

1999

16 Citations (Scopus)

Composition dependence of the rubber-like behavior in ζ₂′-martensite of AuCd alloys

Otsuka, K., Ren, X., Murakami, Y., Kawano, T., Ishii, T. & Ohba, T., Dec 15 1999, In : Materials Science and Engineering A. 273-275, p. 558-563 6 p.

Research output: Contribution to journal › Article

Rubber

martensite

rubber

Martensite

Aging of materials

29 Citations (Scopus)

Computer simulations for the growth process of peanut-type hematite particles

Sasaki, N., Murakami, Y., Shindo, D. & Sugimoto, T., May 1 1999, In : Journal of Colloid and Interface Science. 213, 1, p. 121-125 5 p.

Research output: Contribution to journal › Article

Hematite

Computer simulation

Nucleation

Deposition rates

Sulfates

50 Citations (Scopus)

Lattice modulation preceding to the R-phase transformation in a Ti₅₀Ni₄₈Fe₂ alloy studied by TEM with energy-filtering

Murakami, Y. & Shindo, D., Jan 1 1999, In : Materials Transactions, JIM. 40, 10, p. 1092-1097 6 p.

Research output: Contribution to journal › Article

phase transformations

Phase transitions

Modulation

Scattering

Transmission electron microscopy

118 Citations (Scopus)

Low temperature crystal structure of Ni-Mn-Ga alloys

Wedel, B., Suzuki, M., Murakami, Y., Wedel, C., Suzuki, T., Shindo, D. & Itagaki, K., Jan 1 1999, In : Journal of Alloys and Compounds. 290, 1-2, p. 137-142 6 p.

Research output: Contribution to journal › Article

Lattice constants

Crystal structure

X ray powder diffraction

Electron microscopes

Temperature

18 Citations (Scopus)

Microstructural investigation of CaTiO3 formed mechanochemically by dry grinding of a CaO-TiO2 mixture

Mi, G., Murakami, Y., Shindo, D. & Saito, F., Aug 3 1999, In : Powder Technology. 104, 1, p. 75-79 5 p.

Research output: Contribution to journal › Article

grinding

transmission electron microscopy

Transmission electron microscopy

Microcrystals

microcrystals

20 Citations (Scopus)

Study of R-phase transformation in a Ti-50.7at%Ni alloy by in-situ transmission electron microscopy observations

Cai, W., Murakami, Y. & Otsuka, K., Dec 15 1999, In : Materials Science and Engineering A. 273-275, p. 186-189 4 p.

Research output: Contribution to journal › Article

phase transformations

Phase transitions

Transmission electron microscopy

transmission electron microscopy

Scattering

2000

22 Citations (Scopus)

Advanced transmission electron microscopy study on premartensitic state of Ti₅₀Ni₄₈Fe₂

Shindo, D. & Murakami, Y., Jul 1 2000, In : Science and Technology of Advanced Materials. 1, 2, p. 117-124 8 p.

Research output: Contribution to journal › Article

Electron microscopy

Transmission electron microscopy

Electron diffraction

Imaging techniques

Microstructure

7 Citations (Scopus)

Effect of scattering angle on energy loss near-edge structure of h-BN

Lee, Y. S., Murakami, Y., Shindo, D. & Oikawa, T., Jan 1 2000, In : materials transactions, jim. 41, 5, p. 555-558 4 p.

Research output: Contribution to journal › Article

Energy dissipation

energy dissipation

Scattering

Elastic scattering

Electron energy loss spectroscopy

1 Citation (Scopus)

Observations on diffuse scattering in a Ti50Ni48Fe2 alloy by energy-filtering TEM

Murakami, Y., Shindo, D. & Otsuka, K., 2000, In : Unknown Journal. 327, p. 441-444 4 p.

Research output: Contribution to journal › Article

transmission electron microscopy

Phase transitions

scattering

Scattering

Transmission electron microscopy

2001

50 Citations (Scopus)

Changes in microstructure near the R-phase transformation in Ti₅₀Ni₄₈Fe₂ studied by in-situ electron microscopy

Murakami, Y. & Shindo, D., Sep 1 2001, In : Philosophical Magazine Letters. 81, 9, p. 631-638 8 p.

Research output: Contribution to journal › Article

phase transformations

electron microscopy

microstructure

antiphase boundaries

martensitic transformation

Crystal growth of Bi₂(Sr,Nd/Sm)₂CuO_y and their superconductivity

Kikuchi, M., Itou, M., Faqir, H., Atou, T., Murakami, Y. & Syono, Y., Jul 2 2001, In : Journal of Crystal Growth. 229, 1, p. 396-400 5 p.

Research output: Contribution to journal › Article

Crystallization

Superconductivity

Crystal growth

crystal growth

superconductivity

13 Citations (Scopus)

Effect of diffraction condition on mean free path determination by EELS

Nakafuji, A., Murakami, Y. & Shindo, D., Apr 3 2001, In : Journal of Electron Microscopy. 50, 1, p. 23-28 6 p.

Research output: Contribution to journal › Article

Inelastic scattering

Electron energy loss spectroscopy

mean free path

Diffraction

Electrons

2 Citations (Scopus)

Energy-filtered electron microscopy study on phase transformation of alloys

Shindo, D., Murakami, Y. & Ikematsu, Y., Aug 15 2001, In : Materials Science and Engineering A. 312, 1-2, p. 9-19 11 p.

Research output: Contribution to journal › Article

Electron microscopy

phase transformations

electron microscopy

Phase transitions

Electron energy loss spectroscopy

2 Citations (Scopus)

Evaluation of microstructures of Nb-Cr-Ti alloy system by means of analytical transmission electron microscopy

Yoshida, M., Yaegashi, T., Murakami, Y., Shindo, D. & Takasugi, T., Jan 1 2001, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 65, 5, p. 389-396 8 p.

Research output: Contribution to journal › Article

Solid solutions

Solubility

Laves phases

Transmission electron microscopy

transmission electron microscopy

1 Citation (Scopus)

Microstructural analysis of obliquely evaporated Co-CoO tape using TEM and EELS

Tachikawa, H., Murakami, Y., Ito, T., Iwasaki, Y. & Shindo, D., Jan 1 2001, In : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 65, 5, p. 349-355 7 p.

Research output: Contribution to journal › Article

Electron energy loss spectroscopy

High resolution electron microscopy

Tapes

Electron microscopy

tapes

26 Citations (Scopus)

Morphological properties of ultra-fine (Ni,Zn)-ferrites and their ability to decompose CO₂

Kim, J. S., Ahn, J. R., Lee, C. W., Murakami, Y. & Shindo, D., Jan 1 2001, In : Journal of Materials Chemistry. 11, 12, p. 3373-3376 4 p.

Research output: Contribution to journal › Article

Ferrites

Hydrothermal synthesis

Coprecipitation

Decomposition

Ferrite

Oxidation stability and structure of Fe-Co particles

Tetsukawa, H., Meguro, M., Ito, T., Inoue, M., Murakami, Y. & Shindo, D., Jan 1 2001, In : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 48, 8, p. 753-757 5 p.

Research output: Contribution to journal › Article

Oxides

Oxidation

Metals

Carbon Monoxide

Diffraction

42 Citations (Scopus)

Precursor effects of martensitic transformations in Ti-based alloys studied by electron microscopy with energy filtering

Murakami, Y., Shibuya, H. & Shindo, D., Jan 1 2001, In : Journal of Microscopy. 203, 1, p. 22-33 12 p.

Research output: Contribution to journal › Article

Electron Microscopy

Temperature

2002

Behavior of magnetic domains in (formula presented) during the ferromagnetic phase transformation studied by electron holography

Yoo, J. H., Murakami, Y., Shindo, D., Atou, T. & Kikuchi, M., Jan 1 2002, In : Physical Review B - Condensed Matter and Materials Physics. 66, 21, p. 1-4 4 p.

Research output: Contribution to journal › Article

Electron holography

Magnetic domains

magnetic domains

holography

phase transformations

11 Citations (Scopus)

Behavior of magnetic domains in La0.46Sr0.54MnO3 during the ferromagnetic phase transformation studied by electron holography

Yoo, J. H., Murakami, Y., Shindo, D., Atou, T. & Kikuchi, M., Dec 1 2002, In : Physical Review B - Condensed Matter and Materials Physics. 66, 21, p. 2124061-2124064 4 p., 212406.

Research output: Contribution to journal › Article

Electron holography

Magnetic domains

magnetic domains

holography

phase transformations

24 Citations (Scopus)

Charge-discharge properties of surface-modified carbon by resin coating in Li-ion battery

Kim, J. S., Yoon, W. Y., Yoo, K. S., Park, G. S., Lee, C. W., Murakami, Y. & Shindo, D., Feb 15 2002, In : Journal of Power Sources. 104, 2, p. 175-180 6 p.

Research output: Contribution to journal › Article

Epoxy Resins

resins

electric batteries

epoxy resins

Carbon

Development of the Precursor and Subsequent R-Phase Transformation

Shindo, D., Murakami, Y. & Ohba, T., Jan 1 2002, In : MRS Bulletin. 27, 2, p. 1-3 3 p.

Research output: Contribution to journal › Article

Electron diffraction

phase transformations

electron diffraction

examination

Phase transitions

16 Citations (Scopus)

Effect of aging time on shape memory properties of sputtered Ni-rich Ni₂MnGa alloy films

Suzuki, M., Ohtsuka, M., Matsumoto, M., Murakami, Y., Shindo, D. & Itagaki, K., Jan 1 2002, In : Materials Transactions. 43, 5, p. 861-866 6 p.

Research output: Contribution to journal › Article

Shape memory effect

Aging of materials

heat

Microactuators

smart materials

6 Citations (Scopus)

Electron microscopy on Co-CoO obliquely evaporated magnetic tapes

Ito, T., Iwasaki, Y., Tachikawa, H., Murakami, Y. & Shindo, D., Apr 1 2002, In : Journal of Magnetism and Magnetic Materials. 242-245, PART I, p. 362-365 4 p.

Research output: Contribution to journal › Article

magnetic tapes

Magnetic tape

Electron microscopy

electron microscopy

interstices

17 Citations (Scopus)

Electron microscopy studies of microstructures in β-Ga₂O₃ single crystals

Víllora, E. G., Murakami, Y., Sugawara, T., Atou, T., Kikuchi, M., Shindo, D. & Fukuda, T., Mar 25 2002, In : Materials Research Bulletin. 37, 4, p. 769-774 6 p.

Research output: Contribution to journal › Article

Electron microscopy

electron microscopy

Single crystals

Scattering

microstructure

92 Citations (Scopus)

Magnetic domain structures in Co-Ni-Al shape memory alloys studied by Lorentz microscopy and electron holography

Murakami, Y., Shindo, D., Oikawa, K., Kainuma, R. & Ishida, K., May 8 2002, In : Acta Materialia. 50, 8, p. 2173-2184 12 p.

Research output: Contribution to journal › Article

Electron holography

Magnetic domains

Shape memory effect

Microscopic examination

Martensite

11 Citations (Scopus)

Microstructural investigation on the mechanism to extract indium from wasted materials

Murakami, Y., Shindo, D., Zhang, Q. & Saito, F., Jul 1 2002, In : Materials Science and Engineering A. 332, 1-2, p. 64-69 6 p.

Research output: Contribution to journal › Article

Indium

indium oxides

indium

Oxides

Aluminum Oxide

13 Citations (Scopus)

Microstructure of a Co-CoO obliquely evaporated magnetic tape

Ito, T., Iwasaki, Y., Tachikawa, H., Murakami, Y. & Shindo, D., Apr 1 2002, In : Journal of Applied Physics. 91, 7, p. 4468-4473 6 p.

Research output: Contribution to journal › Article

magnetic tapes

microstructure

crystallites

x ray spectrometers

magnetic recording

6 Citations (Scopus)

Resonance effect in ELNES from perovskite-type manganites BiMnO3 and LaMnO3

Murakami, Y., Shindo, D., Kikuchi, M., Zuo, J. M. & Spence, J. C. H., May 9 2002, In : Journal of Electron Microscopy. 51, 2, p. 99-103 5 p.

Research output: Contribution to journal › Article

Manganites

Perovskite

Electrons

Oxygen

oxygen atoms