S. Kawasaki

Publication List Details

Period

1980 - 2008

Number

89

Co-Authors

Two-gaps feature in LaFeAsO$_{0.92}$F$_{0.08}$ superconductor revealed by nuclear quadrupole resonance (2008)

Kawasaki, S., Shimada, K., Chen, G. F., Luo, J. L., Wang, N. L., Zheng, Guo-qing

We report $^{75}$As nuclear quadrupole resonance (NQR) studies on superconducting oxypnictide LaFeAsO$_{0.92}$F$_{0.08}$ ($T_{\rm c}$ = 23 K). The temperature dependence of the spin lattice...

123Sb-NQR study of unconventional superconductivity in the filled skutterudite heavy-fermion compound PrOs4Sb12 under high pressure up to P = 3.82 GPa (2008)

Kawasaki, S., Katayama, K., Sugawara, H., Kikuchi, D., Sato, H.

We report $^{123}$Sb nuclear quadrupole resonance (NQR) measurements of the filled skutterudite heavy-fermion superconductor PrOs$_4$Sb$_{12}$ under high pressure. The temperature dependence of NQR...

Pressure-induced unconventional superconductivity in the heavy-fermion antiferromagnet CeIn3: An 115In-NQR study under pressure (2008)

Kawasaki, S., Yashima, M., Kitaoka, Y., Takeda, K., Shimizu, K., Oishi, Y., ...

We report on the pressure-induced unconventional superconductivity in the heavy-fermion antiferromagnet CeIn3 by means of nuclear-quadrupole-resonance (NQR) studies conducted under a high pressure....

Pressure dependence of the superconducting transition and electron correlations in Na_xCoO_2 \cdot 1.3H_2O (2007)

Kusano, E., Kawasaki, S., Matano, K., Meng, R. L., Cmaidalka, J., ...

We report T_c and ^{59}Co nuclear quadrupole resonance (NQR) measurements on the cobalt oxide superconductor Na_{x}CoO_{2}\cdot 1.3H_{2}O (T_c=4.8 K) under hydrostatic pressure (P) up to 2.36 GPa....

Conformal oxide coating of Carbon Nanotubes (2007)

Kawasaki, S., Catalan, G., Fan, H., Saad, M. M., Gregg, J. M., Correa-Duarte, M. A., ...

The International Roadmap for Ferroelectric Memories requires three-dimensional integration of high-dielectric materials onto metal interconnects or bottom electrodes by 2010. We report the first...

Evidence for ferromagnetic spin-pairing superconductivity in UGe$_2$: A $^{73}$Ge-NQR study under pressure (2007)

Harada, A., Kawasaki, S., Mukuda, H., Kitaoka, Y., Haga, Y., Yamamoto, E., ...

We report that a novel type of superconducting order parameter has been realized in the ferromagnetic states in UGe$_2$ via $^{73}$Ge nuclear-quadrupole-resonance (NQR) experiments performed under...

Cangaroo III search for gamma rays from Centaurus A and the ω Centauri region (2007)

Kabuki, S., Enomoto, R., Bicknell, Geoffrey Vincent, Clay, Roger William, Edwards, Philip G., Gunji, S., ...

We have observed the giant radio galaxy Centaurus A and the globular cluster ω Centauri in the TeV energy region using the CANGAROO III stereoscopic system. The system has been in operation since...

Cangaroo III search for gamma rays from Centaurus A and the omega Centauri region (2007)

Kabuki, S., Enomoto, R., Bicknell, Geoffrey Vincent, Clay, Roger William, Edwards, Philip G., Gunji, S., ...

We have observed the giant radio galaxy Centaurus A and the globular cluster ω Centauri in the TeV energy region using the CANGAROO III stereoscopic system. The system has been in operation since...

Evidence for unconventional superconducting fluctuations in heavy-fermion compound CeNi2Ge2 (2006)

Kawasaki, S., Sada, T., Miyoshi, T., Kotegawa, H., Mukuda, H., Kitaoka, Y., ...

We present evidence for unconventional superconducting fluctuations in a heavy-fermion compound CeNi$_2$Ge$_2$. The temperature dependence of the $^{73}$Ge nuclear-spin-lattice-relaxation rate...

Modeling the pressure inactivation dynamics of Escherichia coli (2005)

Yamamoto,K., Matsubara,M., Kawasaki,S., Bari,M.L., Kawamoto,S.

Escherichia coli, as a model microorganism, was treated in phosphate-buffered saline under high hydrostatic pressure between 100 and 300 MPa, and the inactivation dynamics was investigated from the...

Raman scattering in $CaFeO_{3}$ and $La_{0.33}Sr_{0.67}FeO_{3}$ across the charge-disproportionation phase transition (2005)

Ghosh, Shankar, Kamaraju, N, Seto, M, Fujimori, A, Takeda, Y, Ishiwata, S, ...

Temperature-dependent micro-Raman studies of orthorhombic $CaFeO_{3}$ and rhombohedral $La_{0.33}Sr_{0.67}FeO_{3}$ were carried out with an aim to study the role of a lattice in the formation of the...

Raman scattering in $CaFeO_{3}$ and $La_{0.33}Sr_{0.67}FeO_{3}$ across the charge-disproportionation phase transition (2005)

Ghosh, Shankar, Kamaraju, N, Seto, M, Fujimori, A, Takeda, Y, Ishiwata, S, ...

Temperature-dependent micro-Raman studies of orthorhombic $CaFeO_{3}$ and rhombohedral $La_{0.33}Sr_{0.67}FeO_{3}$ were carried out with an aim to study the role of a lattice in the formation of the...

Evidence for Uniform Coexistence of Ferromagnetism and Unconventional Superconductivity in UGe_2: A ^73Ge-NQR Study under Pressure (2004)

Kotegawa, H., Harada, A., Kawasaki, S., Kawasaki, Y., Kitaoka, Y., Haga, Y., ...

We report on the itinerant ferromagnetic superconductor UGe_2 through ^73Ge-NQR measurements under pressure (P). The P dependence of the NQR spectrum signals a first-order transition from the...

Unconventional Superconductivity in Heavy Fermion Systems (2004)

Kitaoka, Y., Kawasaki, S., Mito, T., Kawasaki, Y.

We review the studies on the emergent phases of superconductvity and magnetism in the $f$-electron derived heavy-fermion (HF) systems by means of the nuclear-quadrupole-resonance (NQR) under...

Development of a new type shock tube without a diaphragm for gas-dynamic laser research (2004)

Kugimiya, S., Ichizono, K., Nourgostar, S., Sato, K.N., Kawasaki, S., Exp.Group, Triam

A non-diaphragm type shock tube is being developed for the gas-dynamic laser research. The shock tube of this type has been designed to be operated without a diaphragm which the conventional shock...

Development of a new type shock tube without a diaphragm for gas-dynamic laser research (2004)

Kugimiya, S., Ichizono, K., Nourgostar, S., Sato, K.N., Kawasaki, S., Exp.Group, Triam

A non-diaphragm type shock tube is being developed for the gas-dynamic laser research. The shock tube of this type has been designed to be operated without a diaphragm which the conventional shock...

Estimation of Power Balance in Steady State LHCD Discharges on TRIAM-1M (2004)

Sugata, Tomoya, Hanada, K., Imamura, N., Sakamoto, M., Zushi, H., Idei, H., ...

On TRIAM-1M, a long duration discharge for more than 5 h was achieved successfully by fully non-inductive lower hybrid current drive. Heat load distribution to the plasma facing components (PFCs) in...

Estimation of Power Balance in Steady State LHCD Discharges on TRIAM-1M (2004)

Sugata, Tomoya, Hanada, K., Imamura, N., Sakamoto, M., Zushi, H., Idei, H., ...

On TRIAM-1M, a long duration discharge for more than 5 h was achieved successfully by fully non-inductive lower hybrid current drive. Heat load distribution to the plasma facing components (PFCs) in...

Estimation of Power Balance in Steady State LHCD Discharges on TRIAM-1M (2004)

Sugata, Tomoya, Hanada, K., Imamura, N., Sakamoto, M., Zushi, H., Idei, H., ...

On TRIAM-1M, a long duration discharge for more than 5 h was achieved successfully by fully non-inductive lower hybrid current drive. Heat load distribution to the plasma facing components (PFCs) in...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Estimation of Power Balance in Steady State LHCD Discharges on TRIAM-1M (2004)

Sugata, Tomoya, Hanada, K., Imamura, N., Sakamoto, M., Zushi, H., Idei, H., ...

On TRIAM-1M, a long duration discharge for more than 5 h was achieved successfully by fully non-inductive lower hybrid current drive. Heat load distribution to the plasma facing components (PFCs) in...

Estimation of Power Balance in Steady State LHCD Discharges on TRIAM-1M (2004)

Sugata, Tomoya, Hanada, K., Imamura, N., Sakamoto, M., Zushi, H., Idei, H., ...

On TRIAM-1M, a long duration discharge for more than 5 h was achieved successfully by fully non-inductive lower hybrid current drive. Heat load distribution to the plasma facing components (PFCs) in...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Transport barrier formation by LHCD on TRIAM-1M (2004)

Hanada, K., Iyomasa, A., Zushi, H., Hasegawa, M., Sasaki, K., Hoshika, H., ...

Internal transport barrier (ITB) has been obtained in full lower hybrid current driven (LHCD) plasmas on a superconducting tokamak, TRIMA-1M (R=0.84m, a x b=0.12mx0.18m, BT<8T). The formation of...

Transport barrier formation by LHCD on TRIAM-1M (2004)

Hanada, K., Iyomasa, A., Zushi, H., Hasegawa, M., Sasaki, K., Hoshika, H., ...

Internal transport barrier (ITB) has been obtained in full lower hybrid current driven (LHCD) plasmas on a superconducting tokamak, TRIMA-1M (R=0.84m, a x b=0.12mx0.18m, BT

Transport barrier formation by LHCD on TRIAM-1M (2004)

Hanada, K., Iyomasa, A., Zushi, H., Hasegawa, M., Sasaki, K., Hoshika, H., ...

Internal transport barrier (ITB) has been obtained in full lower hybrid current driven (LHCD) plasmas on a superconducting tokamak, TRIMA-1M (R=0.84m, a x b=0.12mx0.18m, BT<8T). The formation of...

Development of a new type shock tube without a diaphragm for gas-dynamic laser research (2004)

Kugimiya, S., Ichizono, K., Nourgostar, S., Sato, K.N., Kawasaki, S., Exp.Group, Triam

A non-diaphragm type shock tube is being developed for the gas-dynamic laser research. The shock tube of this type has been designed to be operated without a diaphragm which the conventional shock...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Transport barrier formation by LHCD on TRIAM-1M (2004)

Hanada, K., Iyomasa, A., Zushi, H., Hasegawa, M., Sasaki, K., Hoshika, H., ...

Internal transport barrier (ITB) has been obtained in full lower hybrid current driven (LHCD) plasmas on a superconducting tokamak, TRIMA-1M (R=0.84m, a x b=0.12mx0.18m, BT<8T). The formation of...

Development of a new type shock tube without a diaphragm for gas-dynamic laser research (2004)

Kugimiya, S., Ichizono, K., Nourgostar, S., Sato, K.N., Kawasaki, S., Exp.Group, Triam

A non-diaphragm type shock tube is being developed for the gas-dynamic laser research. The shock tube of this type has been designed to be operated without a diaphragm which the conventional shock...

Ion acceleration during internal magnetic reconnection events in TST-2 (2004)

Hoshika, Hiroyuki, Zushi, H., Aramasu, M., Idei, H., Iyomasa, A., Ejiri, A., ...

Characteristics of ion acceleration in the internal magnetic reconnection events (IRE) have been studied by means of a neutral particle energy analyzer (NPA) in Tokyo Spherical Tokamak (TST-2). The...

Transport barrier formation by LHCD on TRIAM-1M (2004)

Hanada, K., Iyomasa, A., Zushi, H., Hasegawa, M., Sasaki, K., Hoshika, H., ...

Internal transport barrier (ITB) has been obtained in full lower hybrid current driven (LHCD) plasmas on a superconducting tokamak, TRIMA-1M (R=0.84m, a x b=0.12mx0.18m, BT<8T). The formation of...

Novel superconductivity on the magnetic criticality in heavy-fermion systems : a systematic study of NQR under pressure (2004)

Kitaoka, Y., Kawasaki, S., Kawasaki, Y., Mito, T.

We report the discovery of exotic superconductivity (SC) and novel magnetism in heavy-fermion (HF) compounds, CeCu$_2$Si$_2$, CeRhIn$_5$ and CeIn$_3$ through nuclear-quadrupole-resonance (NQR)...

Exotic superconductivity in the coexistent phase of antiferromagnetism and superconductivity in CeCu2(Si0.98Ge0.02)2: A Cu-NQR study under hydrostatic pressure (2003)

Kawasaki, Y., Ishida, K., Kawasaki, S., Mito, T., Kitaoka, Y., ...

We report a pressure ($P$) effect on CeCu$_2$(Si$_{0.98}$Ge$_{0.02}$)$_2$ where an antiferromagnetic (AFM) order at $T_N \sim$ 0.75 K coexists with superconductivity below $T_c \sim$ 0.4 K\@. At...

Anisotropic spin fluctuations in heavy-fermion superconductor CeCoIn5: In-NQR and Co-NMR studies (2003)

Kawasaki, Y., Kawasaki, S., Yashima, M., Mito, T., Kitaoka, Y., ...

We report In-NQR and Co-NMR experiments of CeCoIn$_5$ that undergoes a superconducting transition with a record high $T_{\rm c}$ = 2.3 K to date among heavy-fermion superconductors. At zero magnetic...

Gapless Magnetic and Quasiparticle Excitations due to the Coexistence of Antiferromagnetism and Superconductivity in CeRhIn$_5$ : A study of $^{115}$In-NQR under Pressure (2003)

Kawasaki, S., Mito, T., Kawasaki, Y., Kitaoka, Y., Aoki, D., ...

We report systematic measurements of ac-susceptibility, nuclear-quadrupole-resonance spectrum, and nuclear-spin-lattice-relaxation time ($T_1$) on the pressure ($P$)- induced heavy-fermion (HF)...

Coexistence of Antiferromagnetism and Superconductivity near the Quantum Criticality in Heavy Fermion Compound CeRhIn$_5$ (2002)

Mito, T., Kawasaki, S., Kawasaki, Y., Kitaoka, Y., Aoki, D., ...

We report a study on the interplay between antiferromagnetism (AFM) and superconductivity (SC) in a heavy-fermion compound CeRhIn$_5$ under pressure $P=1.75$ GPa. The onset of the magnetic order is...

^{115}In-NQR evidence for unconventional superconductivity in CeIn_3 under pressure (2002)

Kawasaki, S., Mito, T., Kawasaki, Y., Kitaoka, Y., Shishido, H., ...

We report evidence for unconventional superconductivity in CeIn_3 at a pressure P = 2.65 GPa above critical pressure (P_c ~ 2.5 GPa) revealed by the measurements of nuclear-spin-lattice-relaxation...

Different routes to charge disproportionation in perovskites-type Fe oxides (2002)

Matsuno, J., Mizokawa, T., Fujimori, A., Takeda, Y., Kawasaki, S., Takano, M.

Iron perovskites CaFeO_3 and La_{0.33}Sr_{0.67}FeO_3 show charge disproportionation, resulting in charge-ordered states with Fe^{3+}:Fe^{5+} =1:1 and =2:1, respectively. We have made photoemission...

Coexistence of antiferromagnetism and superconductivity in heavy-fermion systems (2002)

Kitaoka,Y., Kawasaki,Y., Mito,T., Kawasaki,S., Zheng,G. Q., Ishida,K., ...

We report the novel pressure (P)-temperature (T) phase diagrams of antiferromagnetism (AFM) and superconductivity (SC) in CeRhIn5, CeIn3, and CeCu2Si2 revealed by the nuclear quadrupole resonance...

Coexistence of antiferromagnetism and superconductivity in heavy-fermions systems (2002)

Kitaoka, Y., Kawasaki, Y., Mito, T., Kawasaki, S., Ishida, K., ...

We report the novel pressure(P)-temperature(T) phase diagrams of antiferromagnetism (AF) and superconductivity (SC) in CeRhIn$_5$, CeIn$_3$ and CeCu$_2$Si$_2$ revealed by the NQR measurement. In the...

Coexistence of antiferromagnetism and superconductivity in heavy-fermion systems (2002)

Kitaoka, Y., Kawasaki, Y., Mito, T., Kawasaki, S., Zheng, G. Q., Ishida, K., ...

We report the novel pressure (P)-temperature (T) phase diagrams of antiferromagnetism (AFM) and superconductivity (SC) in CeRhIn5, CeIn3, and CeCu2Si2 revealed by the nuclear quadrupole resonance...

Pressure-Temperature Phase Diagram of Antiferromagnetism and Superconductivity in CeRhIn5 and CeIn3 : In-NQR Study under Pressure (2001)

Kawasaki, S., Mito, T., Thessieu, C., Kawasaki, Y., Ishida, K., ...

We report the novel pressure($P$) - temperature($T$) phase diagram of antiferromagnetism and superconductivity in CeRhIn$_5$ and CeIn$_3$ revealed by the $^{115}$In nuclear-spin-lattice-relaxation...

Pressure-induced anomalous magnetism and unconventional superconductivity in CeRhIn5 : 115In-NQR Study under Pressure (2001)

Mito, T., Kawasaki, S., Kawasaki, Y., Ishida, K., Kitaoka, Y., ...

We report $^{115}$In nuclear-quadrupole-resonance (NQR) measurements of the pressure($P$)-induced superconductor CeRhIn$_5$ in the antiferromagnetic (AF) and superconducting (SC) states. In the AF...

Unique Spin Dynamics and Unconventional Superconductivity in the Layered Heavy Fermion Compound CeIrIn_5:NQR Evidence (2001)

Tanabe, K., Mito, T., Kawasaki, S., Kitaoka, Y., Aoki, D., ...

We report measurements of the ^{115}In nuclear spin-lattice relaxation rate (1/T_1) between T=0.09 K and 100 K in the new heavy fermion (HF) compound CeIrIn_5. At 0.4 K < T < 100 K, 1/T_1 is strongly...

Rapid, Quantitative PCR Monitoring of Growth of Clostridium botulinum Type E in Modified-Atmosphere-Packaged Fish

Kimura, B., Kawasaki, S., Nakano, H., Fujii, T.

A rapid, quantitative PCR assay (TaqMan assay) which quantifies Clostridium botulinum type E by amplifying a 280-bp sequence from the botulinum neurotoxin type E (BoNT/E) gene is described. With this...

Gene cluster for dissimilatory nitrite reductase (nir) from Pseudomonas aeruginosa: sequencing and identification of a locus for heme d1 biosynthesis.

Kawasaki, S, Arai, H, Kodama, T, Igarashi, Y

The primary structure of an nir gene cluster necessary for production of active dissimilatory nitrite reductase was determined from Pseudomonas aerugino