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Journal Articles

Defect production and radiation annealing in platinum irradiated with high-energy heavy ions

Chimi, Yasuhiro; Iwase, Akihiro; Iwata, Tadao*

Nuclear Instruments and Methods in Physics Research B, 209, p.159 - 164, 2003/08

 Times Cited Count:2 Percentile:78.03(Instruments & Instrumentation)

Accumulation of defects during energetic ion irradiation below $$sim$$10K in platinum thin films is studied by electrical resistivity measurements. Experimental results are analyzed by using a model which describes the production and selective radiation annealing of defects. For high-energy ($$sim$$100MeV) heavy ion irradiations, radiation annealing process due to electronic excitation is found mainly at the initial stage of irradiation. From the defect accumulation curve and defect recovery spectra, the effective temperature corresponding to the lattice agitation induced by electronic excitation is estimated.

JAEA Reports

Temperature dependence of lattice vibrations and analysis of specific heat in graphite (Cooperative research)

Nihira, Takeshi*; Iwata, Tadao*; Iwase, Akihiro

JAERI-Research 2001-045, 33 Pages, 2001/11

JAERI-Research-2001-045.pdf:1.27MB

no abstracts in English

Journal Articles

Negative magnetoresistance of pyrolytic carbon and effects of low-temperature electron irradiation

Iwase, Akihiro; Ishikawa, Norito; Iwata, Tadao*; Chimi, Yasuhiro; Nihira, Takeshi*

Physical Review B, 60(15), p.10811 - 10819, 1999/00

 Times Cited Count:4 Percentile:70.5(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Effects of primary recoil (PKA) energy spectrum on radiation damage in FCC metals

Iwata, Tadao; Iwase, Akihiro

Radiat. Eff. Defect Solids, 144(1-4), p.27 - 61, 1998/00

no abstracts in English

JAEA Reports

Effects of primary recoil (PKA) energy spectrum on radiation damage in FCC metals

Iwata, Tadao*; Iwase, Akihiro

JAERI-Research 97-073, 45 Pages, 1997/10

JAERI-Research-97-073.pdf:1.55MB

no abstracts in English

Journal Articles

Magnetocaloric effects in YBa$$_{2}$$Cu$$_{3}$$O$$_{7-delta}$$; Evidence for a surface barrier

Watanabe, Mitsuo; Iwata, Tadao

Physical Review Letters, 72(21), p.3429 - 3432, 1994/05

 Times Cited Count:4 Percentile:54.93(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Ion irradiation effects in EuBa$$_{2}$$Cu$$_{3}$$O$$_{y}$$ thin film

; Iwase, Akihiro; Iwata, Tadao; Maeta, Hiroshi; *; *

J. Supercond., 7(1), p.241 - 242, 1994/00

no abstracts in English

Journal Articles

Effect of electron excitation on radiation damage in fcc metals

Iwase, Akihiro; Iwata, Tadao

Nuclear Instruments and Methods in Physics Research B, 90, p.322 - 329, 1994/00

 Times Cited Count:25 Percentile:11.72(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Ion irradiation effects of EuBa$$_{2}$$Cu$$_{3}$$O$$_{y}$$ thin film

; Iwase, Akihiro; Iwata, Tadao; Maeta, Hiroshi; *; *

Superconductors,Surfaces and Superlattices (Trans. of Materials Research Soc. Jpn., Vol. 19A), 0, p.537 - 540, 1994/00

no abstracts in English

Journal Articles

Effect of electron-excitation on ion-irradiation damage in metals

Iwase, Akihiro; Iwata, Tadao; Nihira, Takeshi*

Nippon Butsuri Gakkai-Shi, 48(4), p.274 - 278, 1993/04

no abstracts in English

Journal Articles

A Positron lifetime study of defects in neutron-irradiated Si

A.Li*; H.Huang*; D.Li*; S.Zheng*; H.Du*; S.Zhu*; Iwata, Tadao

Japanese Journal of Applied Physics, 32(3), p.1033 - 1038, 1993/03

 Times Cited Count:8 Percentile:54.48(Physics, Applied)

no abstracts in English

Journal Articles

Defect production by electron excitation in Cu and Ag

Iwase, Akihiro; Iwata, Tadao; Nihira, Takeshi*

Journal of the Physical Society of Japan, 61(11), p.3878 - 3882, 1992/11

 Times Cited Count:13 Percentile:32.88(Physics, Multidisciplinary)

no abstracts in English

JAEA Reports

Numerical evaluation of general n-dimensional integrals by the repeated use of Newton-Cotes formulas

Nihira, Takeshi*; Iwata, Tadao

JAERI-M 92-099, 28 Pages, 1992/07

JAERI-M-92-099.pdf:0.64MB

no abstracts in English

Journal Articles

Positron annihilation study on neutron irradiated Si

S.Zhu*; A.Li*; S.Zheng*; H.Huang*; D.Li*; Iwata, Tadao

Chin. J. Nucl. Phys., 14(2), p.166 - 168, 1992/00

no abstracts in English

Journal Articles

Defect recovery in FCC metals irradiated with 0.5 - 126 MeV energetic ions

Iwase, Akihiro; Iwata, Tadao; Nihira, Takeshi*; Sasaki, Shigemi

Mater. Sci. Forum, 97-99, p.605 - 614, 1992/00

no abstracts in English

Journal Articles

Defect recovery and radiation annealing in FCC metals irradiated with high energy ions

Iwase, Akihiro; Iwata, Tadao; Nihira, Takeshi*; Sasaki, Shigemi

Radiat. Eff. Defects Solids, 124(1), p.117 - 126, 1992/00

no abstracts in English

Journal Articles

Molecular dynamics simulation of radiation damage

Iwata, Tadao

Keisan Butsurigaku; Kompyuta Shien Niyoru Butsurigaku No Atarashii Tenkai, p.181 - 192, 1991/01

no abstracts in English

Journal Articles

On the low-temperature electron irradiation experiments

Iwata, Tadao

KURRI-TR-351, p.90 - 104, 1991/00

no abstracts in English

Journal Articles

Effect of 120 MeV oxygen ion irradiation on current-voltage characteristics in YBaCuO

Iwase, Akihiro; ; Iwata, Tadao; Nihira, Takeshi*

Mat. Res. Soc. Symp. Proc., Vol. 209, p.847 - 851, 1991/00

no abstracts in English

Journal Articles

Radiation annealing in Ni and Cu by heavy ion irradiation

Iwata, Tadao; Iwase, Akihiro

Nuclear Instruments and Methods in Physics Research B, 61, p.436 - 440, 1991/00

 Times Cited Count:6 Percentile:36.45(Instruments & Instrumentation)

no abstracts in English

40 (Records 1-20 displayed on this page)