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Journal Articles

High-temperature antiferromagnetism in Yb based heavy fermion systems proximate to a Kondo insulator

Suzuki, Shintaro*; Takubo, Ko*; Kuga, Kentaro*; Higemoto, Wataru; Ito, Takashi; Tomita, Takahiro*; Shimura, Yasumichi*; Matsumoto, Yosuke*; Bareille, C.*; Wadachi, Hiroki*; et al.

Physical Review Research (Internet), 3(2), p.023140_1 - 023140_12, 2021/05

We report our experimental discovery of the transition temperature reaching 20 K in a Yb-based compound at ambient pressure. The Mn substitution at the Al site in an intermediate valence state of $$alpha$$-YbAlB$$_4$$ not only induces antiferromagnetic transition at a record high temperature of 20 K but also transforms the heavy-fermion liquid state in $$alpha$$-YbAlB$$_4$$ into a highly resistive metallic state proximate to a Kondo insulator.

Journal Articles

Tuning of ultra-slow muon transport system

Adachi, Taihei*; Ikedo, Yutaka*; Nishiyama, Kusuo*; Yabuuchi, Atsushi*; Nagatomo, Takashi*; Strasser, P.*; Ito, Takashi; Higemoto, Wataru; Kojima, Kenji*; Makimura, Shunsuke*; et al.

JPS Conference Proceedings (Internet), 8, p.036017_1 - 036017_4, 2015/09

Journal Articles

Observations of domain structure and ferroelectricity in Bi(Ni$$_{0.5}$$Ti$$_{0.5}$$)O$$_{3}$$ ceramics fabricated by high-pressure sintering

Kitada, Kazuya*; Kobune, Masafumi*; Adachi, Wataru*; Yazawa, Tetsuo*; Saito, Hiroyuki; Aoki, Katsutoshi; Mizuki, Junichiro; Ishikawa, Kenya*; Hiranaga, Yoshiomi*; Cho, Yasuo*

Chemistry Letters, 37(5), p.560 - 561, 2008/05

 Times Cited Count:9 Percentile:37.59(Chemistry, Multidisciplinary)

Journal Articles

$$mu$$SR study of impurity effects on the Cu-spin fluctuations in the overdoped regime of La$$_{2-x}$$Sr$$_x$$Cu$$_{1-y}$$Zn$$_y$$O$$_4$$

Risdiana*; Adachi, Tadashi*; Oki, Naoki*; Yairi, Satoshi*; Tanabe, Yoichi*; Omori, Keisuke*; Suzuki, Takao*; Watanabe, Isao*; Koda, Akihiro*; Higemoto, Wataru; et al.

Physica C, 460-462(2), p.874 - 875, 2007/09

 Times Cited Count:3 Percentile:17.87(Physics, Applied)

Zero-field muon-spin-relaxation measurements have been carried out for La$$_{2-x}$$Sr$$_x$$Cu$$_{1-y}$$Zn$$_y$$O$$_4$$ (LSCO)with $$y$$ = 0-0.10 in the overdoped regime up to $$x$$ = 0.30, in order to investigate whether the dynamical stripe correlations are pinned and stabilized even for the overdoped LSCO or not. It has been found that the Zn-induced slowing down of the Cu-spin fluctuations is weakened with increasing $$x$$ but takes place in the overdoped regime and disappears at $$x$$ = 0.30. This suggests that the stripe-pinning model holds good in the whole superconducting regime of LSCO and that there is no quantum critical point at $$x$$ $$sim$$ 0.19.

JAEA Reports

Vectorization, parallelization and porting of nuclear codes (vectorization and parallelization); Progress report fiscal 1999

Adachi, Masaaki*; Ishizuki, Shigeru*; Ogasawara, Shinobu*; Kume, Etsuo; Yatake, Yoichi*; Nemoto, Toshiyuki*; Kawasaki, Nobuo*; Kawai, Wataru*

JAERI-Data/Code 2000-043, 220 Pages, 2001/02

JAERI-Data-Code-2000-043.pdf:7.39MB

no abstracts in English

JAEA Reports

Vectorization, parallelization and porting of nuclear codes (Porting); Progress report fiscal 1999

Kawasaki, Nobuo*; Nemoto, Toshiyuki*; Kawai, Wataru*; Ogasawara, Shinobu*; Ishizuki, Shigeru*; Kume, Etsuo; Yatake, Yoichi*; Adachi, Masaaki*

JAERI-Data/Code 2000-039, 134 Pages, 2001/01

JAERI-Data-Code-2000-039.pdf:4.32MB

no abstracts in English

JAEA Reports

Vectorization, parallelization and porting of nuclear codes (Parallelization on scalar processors); Progress report fiscal 1999

Yatake, Yoichi*; Kume, Etsuo; Kawai, Wataru*; Nemoto, Toshiyuki*; Kawasaki, Nobuo*; Adachi, Masaaki*; Ishizuki, Shigeru*; Ogasawara, Shinobu*

JAERI-Data/Code 2000-038, 57 Pages, 2000/12

JAERI-Data-Code-2000-038.pdf:2.3MB

no abstracts in English

JAEA Reports

Vectorization, parallelization and porting of nuclear codes (Vectorization and parallelization); Progress report fiscal 1998

Ishizuki, Shigeru*; Ogasawara, Shinobu*; Kawai, Wataru*; Nemoto, Toshiyuki*; Kume, Etsuo; Adachi, Masaaki*; Kawasaki, Nobuo*; Yatake, Yoichi*

JAERI-Data/Code 2000-018, p.217 - 0, 2000/03

JAERI-Data-Code-2000-018.pdf:6.35MB

no abstracts in English

JAEA Reports

Vectorization, parallelization and porting of nuclear codes (Porting); Progress report fiscal 1998

Nemoto, Toshiyuki*; Kawasaki, Nobuo*; Kume, Etsuo; Kawai, Wataru*; Adachi, Masaaki*; Ishizuki, Shigeru*; Yatake, Yoichi*; Ogasawara, Shinobu*

JAERI-Data/Code 2000-017, p.99 - 0, 2000/03

JAERI-Data-Code-2000-017.pdf:3.31MB

no abstracts in English

JAEA Reports

Vectorization, parallelization and porting of nuclear codes (Parallerization on scalar processors); Progress report fiscal 1998

Yatake, Yoichi*; Adachi, Masaaki*; Kume, Etsuo; Kawai, Wataru*; Kawasaki, Nobuo*; Nemoto, Toshiyuki*; Ishizuki, Shigeru*; Ogasawara, Shinobu*

JAERI-Data/Code 2000-016, p.43 - 0, 2000/03

JAERI-Data-Code-2000-016.pdf:1.36MB

no abstracts in English

Oral presentation

Establishment of rearing system of the extremotolerant tardigrade ${it Ramazzottius varieornatus}$

Wadachi, Hiroki*; Kunieda, Takekazu*; Abe, Wataru*; Nakahara, Yuichi*; Watanabe, Masahiko*; Sakashita, Tetsuya; Hamada, Nobuyuki*; Kobayashi, Yasuhiko; Higashi, Seigo*; Okuda, Takashi*

no journal, , 

We collected some kinds of tardigrade to develop multi-cellular model oraganism for extremotolerant. Among four kinds of collected tardigrade, we found that a tardigrade ${it Ramazzottius varieornatus}$ at Sapporo-city feeded ${it C. vulgaris}$ and could breed. The life-time of ${it R. varieornatus}$ in an artificial culture condition is about 35 days and 5.7 days for hatching. During the whole life-time, one animal laids 8 eggs. In addition, it was observed that ${it R. varieornatus}$ could enter an ametabolic dry state called anhydrobiosis in all stages of life-time. Furthermore, we observed a high surviving-rate even if ${it R. varieornatus}$ exposed in various kinds of extreme environments.

Oral presentation

Synthesis and characterization of Bi(Ni$$_{0.5}$$Ti$$_{0.5}$$)O$$_{3}$$

Saito, Hiroyuki; Kitada, Kazuya*; Kobune, Masafumi*; Adachi, Wataru*; Yazawa, Tetsuo*; Ishikawa, Kenya*; Hiranaga, Yoshiomi*; Cho, Yasuo*; Aoki, Katsutoshi

no journal, , 

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