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Journal Articles

Advanced analysis technology for new material and product development

Sasaki, Hirokazu*; Nishikubo, Hideo*; Nishida, Shinsuke*; Yamazaki, Satoshi*; Nakasaki, Ryusuke*; Isomatsu, Takemi*; Minato, Ryuichiro*; Kinugawa, Kohei*; Imamura, Akihiro*; Otomo, Shinya*; et al.

Furukawa Denko Jiho, (138), p.2 - 10, 2019/02

no abstracts in English

Journal Articles

Evidence for momentum-dependent heavy fermionic electronic structures; Soft X-ray ARPES for the superconductor CeNi$$_{2}$$Ge$$_{2}$$ in the normal state

Nakatani, Yasuhiro*; Aratani, Hidekazu*; Fujiwara, Hidenori*; Mori, Takeo*; Tsuruta, Atsushi*; Tachibana, Shoichi*; Yamaguchi, Takashi*; Kiss, Takayuki*; Yamasaki, Atsushi*; Yasui, Akira*; et al.

Physical Review B, 97(11), p.115160_1 - 115160_7, 2018/03

AA2018-0003.pdf:1.65MB

 Times Cited Count:3 Percentile:16.65(Materials Science, Multidisciplinary)

Journal Articles

Circular dichroism in resonant angle-resolved photoemission spectra of LaNi$$_{2}$$Ge$$_{2}$$

Nakatani, Yasuhiro*; Fujiwara, Hidenori*; Aratani, Hidekazu*; Mori, Takeo*; Tachibana, Shoichi*; Yamaguchi, Takashi*; Kiss, Takayuki*; Yamasaki, Atsushi*; Yasui, Akira*; Yamagami, Hiroshi*; et al.

Journal of Electron Spectroscopy and Related Phenomena, 220, p.50 - 53, 2017/01

 Times Cited Count:1 Percentile:13.25(Spectroscopy)

We report the soft X-ray angle-resolved photoemission study for LaNi$$_{2}$$Ge$$_{2}$$ to reveal the electronic structures derived from non-4$$f$$ bands of the heavy fermion compound CeNi$$_{2}$$Ge$$_{2}$$. The photoemission spectra recorded at the La M$$_{4,5}$$ absorption edges clearly show the enhancement of the La 5$$d$$ components in the valence band spectra. The circular dichroism of photoemission spectra reveals the band-dependent dichroic response due to the orbital symmetry.

Journal Articles

Magnetic and electronic properties of (LaMnO$$_3$$)$$_5$$(SrMnO$$_3$$)$$_5$$ superlattice revealed by resonant soft X-ray scattering

Kubota, Masato; Yamada, Hiroyuki*; Nakao, Hironori*; Okamoto, Jun*; Yamasaki, Yuichi*; Sawa, Akihito*; Murakami, Yoichi*

Japanese Journal of Applied Physics, 53(5S1), p.05FH07_1 - 05FH07_5, 2014/05

 Times Cited Count:2 Percentile:10.57(Physics, Applied)

Journal Articles

Antiferromagnetic order of the Co$$^{2+}$$ high-spin state with a large orbital angular momentum in La$$_{1.5}$$Ca$$_{0.5}$$CoO$$_{4}$$

Okamoto, Jun*; Nakao, Hironori*; Yamasaki, Yuichi*; Wadachi, Hiroki*; Tanaka, Arata*; Kubota, Masato; Horigane, Kazumasa*; Murakami, Yoichi*; Yamada, Kazuyoshi*

Journal of the Physical Society of Japan, 83(4), p.044705_1 - 044705_6, 2014/04

 Times Cited Count:7 Percentile:53.57(Physics, Multidisciplinary)

Journal Articles

The H-Invitational Database (H-InvDB); A Comprehensive annotation resource for human genes and transcripts

Yamasaki, Chisato*; Murakami, Katsuhiko*; Fujii, Yasuyuki*; Sato, Yoshiharu*; Harada, Erimi*; Takeda, Junichi*; Taniya, Takayuki*; Sakate, Ryuichi*; Kikugawa, Shingo*; Shimada, Makoto*; et al.

Nucleic Acids Research, 36(Database), p.D793 - D799, 2008/01

 Times Cited Count:51 Percentile:74.53(Biochemistry & Molecular Biology)

Here we report the new features and improvements in our latest release of the H-Invitational Database, a comprehensive annotation resource for human genes and transcripts. H-InvDB, originally developed as an integrated database of the human transcriptome based on extensive annotation of large sets of fulllength cDNA (FLcDNA) clones, now provides annotation for 120 558 human mRNAs extracted from the International Nucleotide Sequence Databases (INSD), in addition to 54 978 human FLcDNAs, in the latest release H-InvDB. We mapped those human transcripts onto the human genome sequences (NCBI build 36.1) and determined 34 699 human gene clusters, which could define 34 057 protein-coding and 642 non-protein-coding loci; 858 transcribed loci overlapped with predicted pseudogenes.

Journal Articles

Evaluation of aerosol sizing characteristic of an impactor using imaging plate technique

Rahman, N. M.*; Iida, Takao*; Saito, Fumihiro; Koarashi, Jun; Yamasaki, Keizo*; Yamazawa, Hiromi*; Moriizumi, Jun*

Radiation Protection Dosimetry, 123(2), p.171 - 181, 2007/02

 Times Cited Count:11 Percentile:63.76(Environmental Sciences)

no abstracts in English

Journal Articles

Spin multiplicity and charge state of a silicon vacancy (${it T}$ $$_{V2a}$$) in 4${it H}$-SiC determined by pulsed ENDOR

Mizuochi, Norikazu*; Yamasaki, Satoshi*; Takizawa, Haruki; Morishita, Norio; Oshima, Takeshi; Ito, Hisayoshi; Umeda, Takahide*; Isoya, Junichi*

Physical Review B, 72(23), p.235208_1 - 235208_6, 2005/12

 Times Cited Count:47 Percentile:83.83(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Pulsed EPR studies of shallow donor impurities in SiC

Isoya, Junichi*; Oshima, Takeshi; Morishita, Norio; Kamiya, Tomihiro; Ito, Hisayoshi; Yamasaki, Satoshi*

Physica B; Condensed Matter, 340-342, p.903 - 907, 2003/12

 Times Cited Count:11 Percentile:52.66(Physics, Condensed Matter)

no abstracts in English

Journal Articles

EPR studies of the isolated negatively charged silicon vacancies in ${it n}$-type 4${it H}$- and 6${it H}$-SiC; Identification of ${it C}$$$_{3v}$$ symmetry and silicon sites

Mizuochi, Norikazu*; Yamasaki, Satoshi*; Takizawa, Haruki; Morishita, Norio; Oshima, Takeshi; Ito, Hisayoshi; Isoya, Junichi*

Physical Review B, 68(16), p.165206_1 - 165206_11, 2003/10

 Times Cited Count:39 Percentile:83.1(Materials Science, Multidisciplinary)

Isolated silicon vacancies with negative charge (V$$_{Si}$$$$^{-}$$) in 4H- and 6H-SiC were studied using EPR. The samples used in this study were irradiated with electron at 3 MeV at RT. After irradiation, the samples were annealed at 300 $$^{circ}$$C in Ar to eliminate C-related isolated vacancies. As the result of $$^{13}$$C hyperfine spectra, two kinds of V$$_{Si}$$$$^{-}$$(I) and V$$_{Si}$$$$^{-}$$(II) were distinguished and they are assigned to be arising from hexagonal and cubic sites of Si. In addition, both V$$_{Si}$$$$^{-}$$(I) and V$$_{Si}$$$$^{-}$$(II) signals have C$$_{3v}$$ symmetry, which means nearest-neighbor carbon atoms silightly distorted from a regular tetrahedron.

Journal Articles

Continuous-wave and pulsed EPR study of the negatively charged silicon vacancy with S=3/2 and C$$_{3nu}$$ symmetry in $$n$$-type 4H-SiC

Mizuochi, Norikazu*; Yamasaki, Satoshi*; Takizawa, Haruki; Morishita, Norio; Oshima, Takeshi; Ito, Hisayoshi; Isoya, Junichi*

Physical Review B, 66(23), p.235202_1 - 235202_12, 2002/12

 Times Cited Count:99 Percentile:94.87(Materials Science, Multidisciplinary)

EPR study was performed to understand vacancy-type defects in electron-irradiated 4H-SiC. In this study, the T$$_{V2a}$$ center which was reported to be S=1 was charactrized. As a result of untation method of EPR technique, it was revealed that the multipicity of the center is not triplet (S=1) but quartet (S=3/2). From the analysis of $$^{13}$$C hyperfine interactions of nearest-neighbors, the canter was determined to be single silicon vacancy. In addition, it was found that the center is negativly charged silicon vacancy with C$$_{3nu}$$ symmetry.

Journal Articles

Polarization transfer in the $$^{16}$$O($$p,p'$$) reaction at forward angles and structure of the spin-dipole resonances

Kawabata, Takahiro*; Ishikawa, Takatsugu*; Ito, M.*; Nakamura, M.*; Sakaguchi, Harutaka*; Takeda, H.*; Taki, T.*; Uchida, Makoto*; Yasuda, Yusuke*; Yosoi, Masaru*; et al.

Physical Review C, 65(6), p.064316_1 - 064316_12, 2002/06

 Times Cited Count:18 Percentile:68.54(Physics, Nuclear)

no abstracts in English

Journal Articles

Thin ice target for $$^{16}$$O (p,p') experiment

Kawabata, Takahiro*; Akimune, Hidetoshi*; Fujimura, Hisako*; Fujita, Hirohiko*; Fujita, Yoshitaka*; Fujiwara, Mamoru; Hara, Keigo*; Hatanaka, Kichiji*; Hosono, K.*; Ishikawa, Takatsugu*; et al.

Nuclear Instruments and Methods in Physics Research A, 459(1-2), p.171 - 176, 2001/02

 Times Cited Count:17 Percentile:76.5(Instruments & Instrumentation)

no abstracts in English

Oral presentation

Development of a long-life vitrification melter

Kato, Junya; Miyauchi, Atsushi; Yamasaki, Akito*

no journal, , 

no abstracts in English

Oral presentation

Development of a long-life vitrification melter

Kato, Junya; Miyauchi, Atsushi; Aoshima, Atsushi; Shiotsuki, Masao; Yamashita, Teruo; Nakajima, Masayoshi; Morikawa, Yo; Miura, Akihiko; Fukui, Toshiki*; Yamasaki, Akito*; et al.

no journal, , 

no abstracts in English

Oral presentation

Feasibility study on a long-life vitrification melter

Yamashita, Teruo; Miura, Akihiko; Kato, Junya; Shiotsuki, Masao; Ono, Isamu*; Fukui, Toshiki*; Yamasaki, Akito*; Matsumoto, Shiro*

no journal, , 

The objective of this development is to extend vitrification melter life-time to reduce burden of the high level radioactive waste management by applying advanced technologies. The candidate concepts of the long-life melter were studied with evaluation of adopted important advanced technologies such as skull layer conditions and the commutative electrode structure. It was concluded that such technology has a potential to extend melter life as 20 years even in the preliminary studies. Based on the obtained results, after the following fiscal year, evaluation of each component, small scale melter examination, and development and evaluation of simulation tool are carried out.

Oral presentation

Study of magnetism in manganite superlattice by resonant soft X-ray scattering

Kubota, Masato; Yamada, Hiroyuki*; Okamoto, Jun*; Yamasaki, Yuichi*; Nakao, Hironori*; Murakami, Yoichi*; Sawa, Akihito*

no journal, , 

no abstracts in English

Oral presentation

Study of magnetism in manganite superlattice by resonant soft X-ray scattering

Kubota, Masato; Yamada, Hiroyuki*; Okamoto, Jun*; Yamasaki, Yuichi*; Nakao, Hironori*; Murakami, Yoichi*; Sawa, Akihito*

no journal, , 

no abstracts in English

Oral presentation

Artificial superlattice Mn thin films with the large magneto-resistance studied by resonant soft X-ray scattering under magnetic field

Kubota, Masato; Sudayama, Takaaki*; Yamasaki, Yuichi*; Okamoto, Jun*; Nakao, Hironori*; Murakami, Yoichi*; Yamada, Hiroyuki*; Sawa, Akihito*

no journal, , 

no abstracts in English

Oral presentation

Study of ferromagnetic superlattice by quantum beam

Kubota, Masato; Takeda, Masayasu; Okamoto, Jun*; Yamasaki, Yuichi*; Nakao, Hironori*; Murakami, Yoichi*; Sawa, Akihito*

no journal, , 

no abstracts in English

22 (Records 1-20 displayed on this page)