Search Results - "DOYAMA, M"

Materials education and research in Japan, and Japan-India cooperative science program by Doyama, M

“…National universities and national laboratories in Japan are changing quite rapidly and drastically. National universities are not directly under the Ministry…”
Get full text

Simulation of mechanical response and internal friction by point defects by Kogure, Y., Kosugi, T., Nozaki, T., Doyama, M.

“…Structures and dynamical behaviors of atoms in crystals containing self-interstitials have been investigated by means of molecular dynamics simulations…”
Get full text

Development of a transmission positron microscope by Matsuya, M., Jinno, S., Ootsuka, T., Inoue, M., Kurihara, T., Doyama, M., Inoue, M., Fujinami, M.

“…A practical transmission positron microscope (TPM) JEM-1011B has been developed to survey differences in the interaction of positron and electron beams with…”
Get full text

Simulation of mechanical response of point defects in copper by Kogure, Y., Kosugi, T., Doyama, M., Kaburaki, H.

“…A molecular dynamics simulation has been performed to investigate the dynamical nature and the mechanical response of self-interstitials in copper. The…”
Get full text

Partial carbonization of aromatic polyimide films—aiming at solar cells by Doyama, M, Takahashi, Y, Abe, H, Inoue, Y, Kogure, Y, Nozaki, T, Yamada, S

“…Aromatic polyimide films are partially carbonized between 700 and 1000 °C in an atmosphere of hydrogen. Electrical conductivity and Hall coefficient have been…”
Get full text

Electrical properties of amorphous carbon films by DOYAMA, M, ICHIDA, A, INOUE, Y, KOGURE, Y, NOZAKI, T, YAMADA, S

“…Aromatic polyimide films of Upilex S were partially carbonized between 700 and 1000 C. The electrical conductivity is higher at higher temperatures. The…”
Get full text

Computer simulation of point defects in fcc metals using EAM potentials by Tajima, N., Takai, O., Kogure, Y., Doyama, M.

“…The activation energies for the motion of interstitials and vacancies, vacancy clusters have been calculated using embedded atom potentials. The most exciting…”
Get full text

Solid-liquid transitions in argon clusters by MATSUOKA, H, HIROKAWA, T, MATSUI, M, DOYAMA, M

Get full text

Imaging plates as position-sensitive detectors of positrons and γ-rays by Doyama, M, Inoue, M, Yoshiie, T, Hayashi, Y, Kiritani, M, Oikawa, T

“…Imaging plates have been used as position-sensitive detectors for positrons. Photo-stimulated luminescent material based on BaFX : Eu 2+ (X=Cl, Br, I) is used…”
Get full text

Imaging plates as position-sensitive detectors of positrons studied by the slow positron beam by Doyama, M., Terashima, Y., Ozaki, A., Iwamoto, A., Kanazawa, I., Komori, F., Eto, M.

“…This is the first report of the relationship between incident energy of positrons injected into the imaging plate (IP) and the output signal intensity from the…”
Get full text

Partial carbonization of aromatic polyimide films by Doyama, M, Ichida, A, Inoue, Y, Kogure, Y, Nozaki, T, Yamada, S

“…Aromatic polyimide films are partially carbonized between 700 and 1000°C in an atmosphere of hydrogen or nitrogeit electrical conductivity and Hall coefficient…”
Get full text

Interactions between point defects and edge dislocations in copper by Doyama, M., Kogure, Y., Nozaki, T.

“…Molecular dynamics with an embedded atom potential are used to investigate the interaction between one, two or up to six interstitials and split edge…”
Get full text

Materials education and research in Japan, and Japan-India cooperative science program : A novel method of advanced materials processing by DOYAMA, M

Get full text

Embedded atom potentials in fcc and bcc metals by Doyama, Masao, Kogure, Y.

“…A new embedded atom potential has been proposed in this paper. The potential is expressed by simple functions and is applicable to the molecular dynamics…”
Get full text

Computer simulation of creation and motion of dislocations during plastic deformation in copper by Doyama, M, Kogure, Y

“…Dislocations were created near the center of the surface (110) of a copper small crystal whose surfaces are (111), (111), (110), (110), (112), and (112) by use…”
Get full text

Magnetic Anisotropy of fcc-Fe/Cu MBE Ultra Thin Film by Matsui, M., Mitani, S., Doi, K., Doyama, M.

“…Multilayered and sandwiched ultra-thin fcc-Fe/Cu films were prepared on Cu (100) by the MBE method. The epitaxial growth of films was observed by RHEED, the…”
Get full text

Lattice defects in metals: The frontiers of materials science and Dr Masao Doyama by DOYAMA, M

Get full text

Creation and motion of dislocations and fracture in metal and silicon crystals by Doyama, M

“…By making a step on one surface (112) of a rectangular small paralellepiped copper crystal, dislocations could be created by the molecular dynamic method. The…”
Get full text

Simulation of high speed deformation of copper single crystals by Nozaki, T., Doyama, Masao, Kogure, Y.

“…Plastic deformation of copper single crystals was simulated by molecular dynamics using an embedded atom potential. The time step of molecular dynamics is on…”
Get full text

Simulation of plastic deformation of small iron and copper single crystals by Doyama, Masao

“…Iron and copper small crystals were pulled until fractured by use of the molecular dynamics method. The pair potentials and embedded atom potentials were used…”
Get full text