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Journal Articles

Study of structural change in CeO$$_{2}$$ irradiated with high-energy ions by means of X-ray diffraction measurement

Ishikawa, Norito; Chimi, Yasuhiro; Michikami, Osamu*; Ota, Yasuyuki*; Ohara, Kota; Lang, M.*; Neumann, R.*

Nuclear Instruments and Methods in Physics Research B, 266(12-13), p.3033 - 3036, 2008/06

 Times Cited Count:42 Percentile:92.18(Instruments & Instrumentation)

Cerium dioxide films are irradiated with high-energy heavy ions with the energy range of 150 MeV to 2.7 GeV, and X-ray diffraction profile is examined. As a result, the data can be explained by creation of nanometer-size ion track with disordered lattice structure, and the ion track is oxygen deficient.

Journal Articles

Clarification of the properties and accumulation effects of ion tracks in CeO$$_{2}$$

Sonoda, Takeshi*; Kinoshita, Motoyasu*; Ishikawa, Norito; Sataka, Masao; Chimi, Yasuhiro; Okubo, Nariaki; Iwase, Akihiro*; Yasunaga, Kazufumi*

Nuclear Instruments and Methods in Physics Research B, 266(12-13), p.2882 - 2886, 2008/06

 Times Cited Count:31 Percentile:87.1(Instruments & Instrumentation)

High-energy particle irradiation effects of CeO$$_{2}$$ is investigated using electron microscopy. It is found that ion track is formed only when the electronic energy transfer exceeds 16 keV/nm.

Journal Articles

Study on effects of swift heavy ion irradiation in cerium dioxide using synchrotron radiation X-ray absorption spectroscopy

Ono, Hirotaka*; Iwase, Akihiro*; Matsumura, Daiju; Nishihata, Yasuo; Mizuki, Junichiro; Ishikawa, Norito; Baba, Yuji; Hirao, Norie; Sonoda, Takeshi*; Kinoshita, Motoyasu

Nuclear Instruments and Methods in Physics Research B, 266(12-13), p.3013 - 3017, 2008/06

 Times Cited Count:57 Percentile:96.09(Instruments & Instrumentation)

Radiation damage of CeO$$_{2}$$ irradiated with 200MeV Xe is characterized by EXAFS and XPS measurement. It is found that oxygen deficiencies are created after the irradiation, and charge state of Ce is changed from +4 to +3.

Journal Articles

High-energy ion irradiation effects on atomic structures and optical properties of copper oxide and electronic sputtering

Matsunami, Noriaki*; Sataka, Masao; Okayasu, Satoru; Ishikawa, Norito; Tazawa, Masato*; Kakiuchida, Hiroshi*

Nuclear Instruments and Methods in Physics Research B, 266(12-13), p.2986 - 2989, 2008/06

 Times Cited Count:8 Percentile:50.52(Instruments & Instrumentation)

Irradiation effects of Cu$$_{2}$$O irradiated with 100 MeV Xe ions were studied. X-ray diffraction intensity and optical properties were analyzed.

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