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Oral presentation

Observation of pressure-induced disproportionation reaction of LaH$$_2$$ using vibrational spectroscopies

Sakurai, Yoko; Machida, Akihiko; Aoki, Katsutoshi

no journal, , 

no abstracts in English

Oral presentation

In-NMR study of CeIrIn$$_5$$

Kambe, Shinsaku; Tokunaga, Yo; Sakai, Hironori; Chudo, Hiroyuki; Matsuda, Tatsuma; Yasuoka, Hiroshi; Haga, Yoshinori; Onuki, Yoshichika

no journal, , 

T-dependence and anisotropy of Knight shift and spin-lattice relaxation time T1 of In-NMR have been determined in heavy fermion superconductor CeIrIn$$_5$$. Knight shift and T1 show a strong anisotropy. Knight shift versus static susceptibility plot is non-linear at low temperatures, indicating that the hyperfine coupling depends on temperature. The origin of hyperfine interaction and anisotropy of spin fluctuations will be discussed.

Oral presentation

Dissociative ionization dynamics of ethanol in intense laser fields by photoelectron-photoion coincidence momentum imaging

Hosaka, Koichi; Itakura, Ryuji; Yokoyama, Keiichi; Yamanouchi, Kaoru*; Yokoyama, Atsushi

no journal, , 

In intense laser fields, molecules are decomposed into fragments through a number of competing dissociative ionization pathways. We investigate the dissociative ionization dynamics of ethanol in intense laser fields with photoelectron-photoion coincidence momentum imaging. The channel-specific photoelectron spectra reveal the electronic states prepared just after ionization, depending both on the decomposition pathways and on the temporal profile of laser pulses.

Oral presentation

Photoconductivity variations of hydrogenated amorphous silicon by charged particles

Sato, Shinichiro; Sai, Hitoshi*; Imaizumi, Mitsuru*; Shimazaki, Kazunori*; Oshima, Takeshi

no journal, , 

no abstracts in English

Oral presentation

Positron annihilation measurements on Si near the melting point

Kawasuso, Atsuo; Maekawa, Masaki

no journal, , 

no abstracts in English

Oral presentation

Start of neutron source and its world's highest-level performance

Maekawa, Fujio

no journal, , 

no abstracts in English

Oral presentation

Fe 3p-$$>$$1s X-ray resonant emission spectroscopy of LuFe$$_{2}$$O$$_{4}$$ single crystal

Agui, Akane; Mizumaki, Masaichiro*; Kawamura, Naomi*; Kuroda, Tomoko*; Hayakawa, Hironori*; Maeda, Daisuke*; Michiuchi, Takamasa*; Ikeda, Naoshi*

no journal, , 

no abstracts in English

Oral presentation

Simple glass model with two kinds of order parameters

Yokota, Terufumi

no journal, , 

no abstracts in English

Oral presentation

Direct observation of the Ni-3d electronic states change in PrNiO$$_{3}$$

Mizumaki, Masaichiro*; Agui, Akane; Saito, Takashi*; Azuma, Masaki*; Shimakawa, Yuichi*; Takano, Mikio*; Uozumi, Takayuki*

no journal, , 

no abstracts in English

Oral presentation

Energy stability analyses of Fe+M binary alloy using extended semi-empirical computational method

Igarashi, Takahiro; Nakazawa, Tetsuya; Tsuru, Tomohito; Kaji, Yoshiyuki

no journal, , 

no abstracts in English

Oral presentation

Neutron scattering study of spin ladder compound Na$$_2$$Fe$$_2$$(C$$_2$$O$$_4$$)$$_3$$(H$$_2$$O)$$_2$$

Matsuda, Masaaki; Honda, Zentaro*

no journal, , 

We performed neutron inelastic scattering experiments in Na$$_2$$Fe$$_2$$(C$$_2$$O$$_4$$)$$_3$$(H$$_2$$O)$$_2$$ that consists of two-leg spin ladders of Fe$$^{2+}$$ ions. We observed sharp magnetic excitation peaks around $$sim$$3.5 meV and $$sim$$5.3 meV. This result shows that the magnetic excitations originate from almost isolated dimers, indicating that the interaction along the leg direction is negligibly small.

Oral presentation

Polized neutron diffraction study of magnetic chirality in TmMn$$_2$$O$$_5$$

Wakimoto, Shuichi; Kimura, Hiroyuki*; Fukunaga, Mamoru*; Takeda, Masayasu; Kakurai, Kazuhisa; Noda, Yukio*

no journal, , 

no abstracts in English

Oral presentation

Resonant inelastic X-ray scattering study of stripe-ordered La$$_{2-x}$$Sr$$_{x}$$NiO$$_{4}$$ and La$$_{2-x}$$Ba$$_{x}$$CuO$$_{4}$$

Wakimoto, Shuichi; Ishii, Kenji; Ikeuchi, Kazuhiko; Kakurai, Kazuhisa; Mizuki, Junichiro; Kimura, Hiroyuki*; Noda, Yukio*; Adachi, Tadashi*; Koike, Yoji*; Fujita, Masaki*; et al.

no journal, , 

no abstracts in English

Oral presentation

Study of uranium chalcogenides by soft X-ray photoemission spectroscopy

Takeda, Yukiharu; Okane, Tetsuo; Okochi, Takuo; Saito, Yuji; Yamagami, Hiroshi; Fujimori, Atsushi; Ochiai, Akira*

no journal, , 

no abstracts in English

Oral presentation

Study of low-lying nuclear structure of $$^{102}$$Ru

Koizumi, Mitsuo; Toh, Yosuke; Oshima, Masumi; Kimura, Atsushi; Hatsukawa, Yuichi; Harada, Hideo; Kitatani, Fumito; Nakamura, Shoji; Furutaka, Kazuyoshi; Sugawara, Masahiko*; et al.

no journal, , 

no abstracts in English

Oral presentation

$$^{149}$$Sm synchrotron M$"{o}$ssbauer studies on hydrides of rare-earth-iron compounds

Masuda, Ryo; Mitsui, Takaya; Ito, Keiji*; Kobayashi, Yasuhiro*; Kitao, Shinji*; Seto, Makoto

no journal, , 

no abstracts in English

Oral presentation

Current status of software development for chopper spectrometer in MLF

Inamura, Yasuhiro; Nakajima, Kenji; Kajimoto, Ryoichi; Otomo, Toshiya*; Nakatani, Takeshi; Suzuki, Jiro*; Arai, Masatoshi; So, J.-Y.*; Park, J.-G.*; Perring, T.*; et al.

no journal, , 

We report the plan and current status of development for software used on high-intensity chopper spectrometer, 4SEASONS, and Cold Neutron Disk-Chopper Spectrometer, CNDCS, at Materials and Life Science Facility(MLF), J-PARC. We begin to design software packages based on many required functions for performing experiments and analysis, for example control spectrometer system (data acquisition, devices), suggestion of experiment conditions, visualization and so on. This project progresses with software company. On the other hand, we started to collaborate with Korean group about the development of analysis software for inelastic scattering. In this presentation, we will present the current status and plan for software development including collaboration with Korean group.

Oral presentation

A Magnetic multiplet lens for pulsed neutron beam focusing

Oku, Takayuki; Kira, Hiroshi; Shinohara, Takenao; Takata, Shinichi; Arai, Masatoshi; Suzuki, Junichi

no journal, , 

no abstracts in English

Oral presentation

Detection of electromagnetic radiation from solitons formed by laser-plasma interaction

Kando, Masaki; Kawase, Keigo; Kameshima, Takashi; Kotaki, Hideyuki; Daito, Izuru; Fukuda, Yuji; Faenov, A. Y.; Pikuz, T.*; Esirkepov, T. Zh.; Bulanov, S. V.

no journal, , 

no abstracts in English

Oral presentation

Current status of TAKUMI, the engineering materials diffractometer at MLF/J-PARC

Ito, Takayoshi; Harjo, S.; Aizawa, Kazuya; Moriai, Atsushi; Abe, Jun; Arima, Hiroshi; Nakatani, Takeshi; Sakasai, Kaoru; Nakamura, Tatsuya; Iwahashi, Takaaki; et al.

no journal, , 

no abstracts in English

106 (Records 1-20 displayed on this page)