Search Results 1-20 of 1415

  • Cell Adhesion on PEEK Surface with Gas Cluster Ion Beam Irradiation  [in Japanese]

    Toyoda Noriaki

    … <p>Gas cluster ion beam (GCIB) irradiation on polyether-ether ketone (PEEK) surface have been carried out to enhance the cell adhesion. … By irradiation of O<sub>2</sub>-GCIB on PEEK, increase of cell adhesion was observed. … This cell adhesion enhancement was observed at oblique incidence, which indicates that GCIB irradiation is effective for three-dimensional structure.</p> …

    IEEJ Transactions on Electronics, Information and Systems 140(4), 443-446, 2020

    J-STAGE 

  • Crystal Structure Analysis of Irradiated Ni<sub>3</sub>Al Using Molecular Dynamics Simulation

    Tamidi Ahmad Ehsan Mohd , Sasajima Yasushi , Iwase Akihiro

    … The irradiation event was modeled as the energy deposition of thermal energy produced by a high-energy ion beam, i.e. effective stopping power <i>gSe</i>. … structure was taken as the initial structure and the effects of the irradiation event on the atomic structure were investigated. …

    MATERIALS TRANSACTIONS 61(1), 72-77, 2020

    J-STAGE 

  • 4. Material Science and Radiation Effects

    … Sto et al.(30009) [156]CO4-4 Correlation between Damage Accumulation by Neutron Irradiation and Hydrogen Isotope Retention for Plasma Facing Materials /Y. … Oya et al.(30014) [157]CO4-5 Electron Emission Properties of Field Emitter Array for Image Sensor under Gamma-Ray Irradiation /Y. … (30017) [158]CO4-6 Neutron Irradiation to Liquid Breeders for Fusion Reactors and Tritium Recovery /S. …

    KURNS Progress Report (2018), 154-184, 2019-08

    IR 

  • MnGa (001)-Textured Film Fabricated on Thermally Oxidized Si Substrate for Application to Ion Beam Bit Patterned Media

    Ishikawa Toru , Miwa Yoshitsugu , Oshima Daiki , Kato Takeshi , Iwata Satoshi , 石川 徹 , 三輪 佳嗣 , 大島 大輝 , 加藤 剛志 , 岩田 聡

    … (001)-oriented MnGa films were grown on thermally oxidized Si substrates, and ion-beam patterned films using the MnGa grown on Si substrates were fabricated. … By using the (001)-oriented MnGa on Si substrate, ion-beam patterned structures whose pitch sizes down to 100 nm, corresponding to the areal density of 65 Gb/in 2 were obtained. …

    IEEE Transactions on Magnetics 55(7), 3200104, 2019-07

    IR 

  • TUNING STRUCTURE AND ELECTRON TRANSPORT PROPERTIES OF GRAPHENE BY CHEMICAL MODIFICATION USING ION-BEAM IRRADIATION  [in Japanese]

    中村 康輔

    Irradiation of ion-beam is one of the interesting strategy for chemical modification of graphene to tune its structure and electronic properties. … After removing the sacrificial layer, the ion-modified graphene was evaluated, and the presence of defect and ion was revealed to play an important role on charge transfer on graphene. …

    法政大学大学院紀要. 理工学・工学研究科編 (60), 1-2, 2019-03-31

    IR  DOI 

  • HYDROGEN ADSORPTION EFFECTS ON CHEMICAL STRUCTURE AND ELECTRONIC PROPERTIES OF DEFECT-INTRODUCED GRAPHENE  [in Japanese]

    小幡 吉徳

    … In this study, defects were introduced into epitaxial graphene by ion beam irradiation, and their chemical structure was investigated using XPS, Raman spectroscopy, and Elastic Recoil Detection Analysis (ERDA). … Exposing defects-introduced graphene by ion-beam irradiation to hydrogen molecular gas and air results in hydrogen and oxygen-terminated defects, respectively. …

    法政大学大学院紀要. 理工学・工学研究科編 (60), 1-2, 2019-03-31

    IR  DOI 

  • Research of photosynthesis and genomewide resequencing on a yellow-leaf Lotus japonicus mutant induced by carbon ion beam irradiation

    Cui Tao , Luo Shanwei , Du Yan , Yu Lixia , Yang Jiangyan , Li Wenjian , Chen Xia , Li Xin , Wang Jie , Zhou Libin

    Grassland science 65(1-4), 41-48, 2019-01

  • A sharpening of the single crystal diamond tool by penning ion source  [in Japanese]

    ONO Takenori

    … <p>A sharpening of a single crystal diamond tool by an ion milling apparatus is discussed. … To evaluate the sharpening characteristics, the Ar ion beam is irradiated by the ion milling on the rounded edge. … In sharpening tests, the rectangular microstructures are fabricated on the cutting edge of a single-crystal diamond R-bite (nose radius of 0.4 mm) by FIB (Focused Ion Beam) process to make the rounded edge. …

    The Proceedings of Mechanical Engineering Congress, Japan 2019(0), S13203, 2019

    J-STAGE 

  • In-situ Observation of Superposition Effects on Ion and High Energy Electrons by Multi-Qunatum Beam High Voltage Electron Microscope  [in Japanese]

    Shibayama Tamaki , Watanabe Seiichi

    … <p>Study on irradiation defects in metals is strongly initiating by utilizing the large space around the pole piece, the superior electron penetrating capability compared to the conventional TEM and collision damage by high energy electrons of high voltage electron microscope (HVEM). …

    KENBIKYO 54(3), 116-121, 2019

    J-STAGE 

  • EXPERIMENTAL STUDY ON THE TOLERABILITY OF NEW DELTA PHASE MATERIAL UNDER HIGH TEMPERATURE AND HIGH RADIATION CONDITIONS

    Ado M. , Wang Q. , Ibrahim S.A.

    … An in-situ ion beam irradiation experiment was performed on the polycrystalline δ-phase compound with stoichiometry Yb<sub>4</sub>Hf<sub>3</sub>O<sub>12</sub> … The irradiation was performed from room temperature to 6000C respectively. … is retained during irradiation, but requires heat to form bubbles. …

    The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1216, 2019

    J-STAGE 

  • Laparoscopic Radiation Exposed Colon Resection after Carbon Ion Radiotherapy for Pelvic Recurrence after the Resection of Rectal Cancer  [in Japanese]

    Tanigawa Takahiko , Yamada Shigeru , Sekimoto Mitsugu , Ishikawa Akira , Mori Tomohiro , Higuchi Ichiro , Akiyama Yousuke , Hasuike Yasunori , Miyamoto Makoto , Tuchida Yasuaki , Isozaki Yuka

    … Postoperative irradiation (50 Gy) combined with capecitabine and 2 courses of adjuvant chemotherapy with capecitabine plus oxaliplatin was added. … For radical cure, it was considered that low anterior resection with concomitant sacral resection was necessary, but as a result of informed consent, carbon ion radiotherapy was selected at the request of the patient. …

    The Japanese Journal of Gastroenterological Surgery 52(10), 599-604, 2019

    J-STAGE  Ichushi Web 

  • Ion-beam irradiation effects on the structure and electronic properties of MoS<sub>2</sub>  [in Japanese]

    Zhao Yangzhou , Yokota Hiroki , Ichikawa Haruna , Takai Kazuyuki

    ion beam is evaluated. … ion irradiation, both of the line widths of E<sub>2g</sub> … peaks for Raman spectroscopy increase and become broader as increasing of irradiation time. … Interestingly, the effect of the irradiation is more significant for E<sub>2g</sub> …

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2019(0), 1P52, 2019

    J-STAGE 

  • Growth control of graphene on the SiC substrate using ion beam irradiation (II)  [in Japanese]

    Imanami Satoshi , Yamada Yuya , Naitoh Masamichi , Ikari Tomonori

    … In this study, a SiC(0001) surface was annealed after being irradiated with an Ar+ ion beam at an acceleration energy of 1 keV, resulting in the formation of graphene. … Furthermore, we investigated the relation between the ion-beam irradiation conditions and the formation of graphene.</p> …

    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2019(0), 1P19, 2019

    J-STAGE 

  • 8.2.1 Generation of Reactive Oxygen Species in Aqueous Phase by Carbon-Ion Beam  [in Japanese]

    Matsumoto Ken-ichiro , Nyui Minako , Ueno Megumi , Ogawa Yukihiro , Nakanishi Ikuo

    … <p>Hydroxyl radical (·OH) generation, hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) generation, and the total amount of oxidation reactions caused by X-ray or carbon-ion beam irradiation to aqueous samples were measured by electron paramagnetic resonance-based methods. …

    RADIOISOTOPES 68(10), 681-691, 2019

    IR  J-STAGE  Ichushi Web 

  • 8.2.2 DNA Damage and Repair by Particle Beam  [in Japanese]

    Shibata Atsushi

    … <p>In this review, recent findings are introduced in terms of particle irradiation-induced DNA damage and repair, particularly DNA double-strand break repair, by HIMAC. … Based on the studies using HIMAC, the structure of complex DNA lesion as well as clustered DNA double-strand breaks after high LET particle irradiation hav been identified. … In addition, the molecular mechanisms underlying DNA repair pathway choice after particle ion irradiation has been uncovered. …

    RADIOISOTOPES 68(10), 693-700, 2019

    J-STAGE  Ichushi Web 

  • 8.2.8 Effect of carbon ions on carcinogenesis  [in Japanese]

    Imaoka Tatsuhiko , Nishimura Mayumi , Daino Kazuhiro , Shimada Yoshiya , Kakinuma Shizuko

    … <p>Heavy ion radiotherapy is expected to reduce the risk of second cancer by decreasing exposure of normal tissues to radiation. … Emerging studies have attempted to predict the risk of second cancer after carbon ion radiotherapy based on dose assessment, the epidemiologically-identified risk of photon radiation, and assumptions about the relative biological effectiveness (RBE) of carbon ions. …

    RADIOISOTOPES 68(10), 741-748, 2019

    J-STAGE  Ichushi Web 

  • Fabrication of a Corner Cube Mirror for Lunar Laser-Ranging  [in Japanese]

    TAKINO Hideo , AIHARA Hiroki , SAITO Yusuke , ARAKI Hiroshi , NODA Hirotomo , HANADA Hideo , KASHIMA Shingo , TANIGUCHI Jun , UTSUNOMIYA Shin

    … Therefore, for the production of CCM, we have proposed a process chain of shaping of its optical surface, in which polishing and ion beams figuring (IBF) are used for key fabrication techniques. … Thus, the application of IBF to the fabrication process of the CCM was examined by investigating the irradiation of ion beams to two intersecting plates.</p> …

    The Proceedings of Conference of Kanto Branch 2019.25(0), 18D05, 2019

    J-STAGE 

  • 7.2.6 Radiation Protection in Carbon-ion Radiotherapy  [in Japanese]

    Yonai Shunsuke

    … <p>Experimental researches on radiation protection in carbon ion radiotherapy were performed in the HIMAC treatment rooms. … These results indicated that the secondary cancer risk after carbon ion radiotherapy are comparable or less than other external radiation therapy modalities. …

    RADIOISOTOPES 68(8), 585-592, 2019

    J-STAGE  Ichushi Web 

  • A quantitative analysis of carbon-ion beam-induced reactive oxygen species and redox reactions

    Matsumoto Ken-ichiro , Nyui Minako , Ueno Megumi , Ogawa Yukihiro , Nakanishi Ikuo

    … <p>The amounts of reactive oxygen species generated in aqueous samples by irradiation with X-ray or clinical carbon-ion beams were quantified. … <sup>•</sup>OH generation was expected to be localized on the track/range of the carbon-ion beam/X-ray, and mM and M levels of <sup>•</sup>OH generation were observed. …

    Journal of Clinical Biochemistry and Nutrition 65(1), 1-7, 2019

    IR  J-STAGE  Ichushi Web 

  • 1.2 Twenty Four Years of the Research Project with Heavy Ions at NIRS-HIMAC  [in Japanese]

    Murakami Takeshi

    Irradiation rooms and laboratories are gradually being prepared and improved for a variety of experiments. …

    RADIOISOTOPES 68(4), 153-162, 2019

    J-STAGE  Ichushi Web 

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