Universal magnetic structure of the half-magnetization phase in Cr-based spinels (2009)
Matsuda, M., Ohoyama, K., Yoshii, S., Nojiri, H., Frings, P., Duc, F., ...
Using an elastic neutron scattering technique under a pulsed magnetic field up to 30 T, we determined the magnetic structure in the half-magnetization plateau phase in the spinel CdCr$_2$O$_4$. The...
Kofu, M., Ueda, H., Nojiri, H., Oshima, Y., Zenmoto, T., Rule, K., ...
By using bulk magnetization, electron spin resonance (ESR), heat capacity, and neutron scattering techniques, we characterize the thermodynamic and quantum phase diagrams of Ba$_3$Cr$_2$O$_8$. Our...
X-ray Magnetic Circular Dichroism of Valence Fluctuating State in Eu at High Magnetic Fields (2009)
Matsuda, Y. H., Ouyang, Z. W., Nojiri, H., Inami, T., Ohwada, K., Suzuki, M., ...
X-ray magnetic circular dichroism (XMCD) at the Eu L-edge (2p->5d) in two compounds exhibiting valence fluctuation, namely EuNi2(Si0.18Ge0.82)2 and EuNi2P2, has been investigated at pulsed high...
External magnetic field effects on a distorted kagome antiferromagnet (2008)
Ji, S., Lake, B., Yildirim, T., Nojiri, H., ...
We report bulk magnetization, and elastic and inelastic neutron scattering measurements under an external magnetic field, $H$, on the weakly coupled distorted kagome system, Cu_{2}(OD)_3Cl. Our...
Frustration-driven successive metamagnetic transitions in TbB4 (2007)
Inami, T., Ohwada, K., Matsuda, Y. H., Ouyang, Z. W., Nojiri, H., Okuyama, D., ...
Resonant magnetic x-ray diffraction experiments on the Shastry-Sutherland lattice TbB$_4$ were carried out under strong pulsed magnetic fields up to 30 T. TbB$_4$ exhibits a multi-step magnetization...
Koizumi, S, Nihei, M, Shiga, T, Nakano, M., Nojiri, H, Bircher, R, ...
Elementary Excitations in Quantum Antiferromagnetic Chains: Dyons, Spinons and Breathers (2005)
Asano, T., Nojiri, H., Inagaki, Y., Ajiro, Y., Regnault, L. P., Boucher, J. P.
Considering experimental results obtained on three prototype compounds, TMMC, CsCoCl3 (or CsCoBr3) and Cu Benzoate, we discuss the importance of non-linear excitations in the physics of quantum (and...
High field x-ray diffraction study on a magnetic-field-induced valence transition in YbInCu4 (2005)
Matsuda, Y. H., Inami, T., Ohwada, K., Murata, Y., Nojiri, H., Murakami, Y., ...
We report the first high-field x-ray diffraction experiment using synchrotron x-rays and pulsed magnetic fields exceeding 30 T. Lattice deformation due to a magnetic-field-induced valence transition...
Competing Spin Phases in Geometrically Frustrated Magnetic Molecules (2004)
Schroeder, C., Nojiri, H., Schnack, J., Hage, P., Luban, M., Koegerler, P.
We have found a class of zero-dimensional geometrically frustrated Heisenberg spin systems exhibiting anomalous behavior in an external magnetic field B similar to that occuring in geometrically...
Nojiri, H., Kageyama, H., Ueda, Y., Motokawa, M.
The excited state energy spectrum of a two-dimensional dimer system SrCu$_2$(BO$_3$)$_2$ has been investigated by high field ESR. Various types of multiple-triplet bound states-excited singlet,...
Elementary Excitations in Quantum Antiferromagnetic Chains: Dyons, Spinons and Breathers (2002)
Asano, T., Nojiri, H., Inagaki, Y., Ajiro, Y., Regnault, L. P., Boucher, J. P.
Considering experimental results obtained on three prototype compounds, TMMC, CsCoCl3 (or CsCoBr3) and Cu Benzoate, we discuss the importance of non-linear excitations in the physics of quantum (and...
Elementary Excitations in Quantum Antiferromagnetic Chains: Dyons, Spinons and Breathers (2002)
Asano, T., Nojiri, H., Inagaki, Y., Ajiro, Y., Regnault, L. P., Boucher, J. P.
Considering experimental results obtained on three prototype compounds, TMMC, CsCoCl3 (or CsCoBr3) and Cu Benzoate, we discuss the importance of non-linear excitations in the physics of quantum (and...
Elementary Excitations in Quantum Antiferromagnetic Chains: Dyons, Spinons and Breathers (2002)
Asano, T., Nojiri, H., Inagaki, Y., Ajiro, Y., Regnault, L. P., Boucher, J. P.
Considering experimental results obtained on three prototype compounds, TMMC, CsCoCl3 (or CsCoBr3) and Cu Benzoate, we discuss the importance of non-linear excitations in the physics of quantum (and...
Susceptibility, Magnetization Process and ESR Studies on the Helical Spin System RbCuCl$_{3}$ (2000)
Maruyama, S., Tanaka, H., Narumi, Y., Kindo, K., Nojiri, H., Motokawa, M., ...
The static and dynamic magnetic properties of an $S=1/2$ stacked triangular antiferromagnet RbCuCl$_{3}$ with a helical spin structure due to lattice distortion were investigated by susceptibility,...
Nojiri, H., Luther, S., Isobe, M., Ueda, Y., Motokawa, M.
A significant frequency dependence of the ESR line width is found in NaV_2O_5 between 34-100 K and the line width increases as the resonance frequency is increased from 95 GHz to 760 GHz. The...
Asano, T., Nojiri, H., Inagaki, Y., Boucher, J. P., Sakon, T., Ajiro, Y., ...
A new elementary-excitation, the so called "breather excitation", is observed directly by millimeter-submillimeter wave electron spin resonance (ESR) in the Heisenberg quantum spin-chain Cu benzoate,...
Submillimeter Wave ESR Study of Spin Gap Excitations in CuGeO3 (1999)
Nojiri, H., Ohta, H., Okubo, S., Fujita, O., Akimitsu, J., Motokawa, M.
Transitions between the ground singlet state to the excited triplet state has been observed in CuGeO3 by means of submillimeter wave electron spin resonance. The strong absorption intensity shows the...
Two ferromagnetic phases in La1-xSrxMnO3(x ~1/8) (1999)
Nojiri, H., Kaneko, K., Motokawa, M., Hirota, K., Takahashi, K., Endoh, Y.
It was discovered in La1-xSrxMnO3(x~1/8) that a field induced phase transition occurs from a ferromagnetic metal(FM) phase to a ferromagnetic insulator (FI) phase. The magnetization shows a sharp...
Nojiri, H, Kageyama, H., Onizuka, Kenzo, Ueda, Y., Motokawa, M.
Various spin gap excitations have been observed in the two-dimensional dimer system SrCu_2(BO_3)_2 by means of submillimeter wave ESR. The zero-field energy gap of the lowest spin gap excitation...
Endoh, Y., Hirota, K., Ishihara, S., Okamoto, S., Murakami, Y., Nishizawa, A., ...
A lightly doped perovskite mangantite La_{0.88}Sr_{0.12}MnO_3 exhibits a phase transition at T_{OO}=145 K from a ferromagnetic metal (T_C=172 K) to a novel ferromagnetic insulator.We identify that...
Field Induced Transition from Metal to Insulator in the CMR Manganites (1998)
Endoh, Y., Nojiri, H., Kaneko, K., Hirota, K., Fukuda, T., Kimura, H., ...
The gigantic reduction of the electric resistivity under the applied magnetic field, CMR effect, is now widely accepted to appear in the vicinity of the insulator to metal transition of the...
MAGNETIC PHASE TRANSITION OF HELICAL CsCuCl3 IN HIGH MAGNETIC FIELD (1988)
Nojiri, H., Tokunaga, Y., Motokawa, M.
Magnetization measurements of CsCuCl3 is performed using pulsed high magnetic fields at various temperatures atures below TN. Magnetization shows a small jump at 12.5 T and saturation at 31 T at 1.1...
MAGNETIC PHASE TRANSITION OF HELICAL CsCuCl3 IN HIGH MAGNETIC FIELD (1988)
Nojiri, H., Tokunaga, Y., Motokawa, M.
Magnetization measurements of CsCuCl3 is performed using pulsed high magnetic fields at various temperatures atures below TN. Magnetization shows a small jump at 12.5 T and saturation at 31 T at 1.1...
MAGNETIC PHASE TRANSITION OF HELICAL CsCuCl3 IN HIGH MAGNETIC FIELD (1988)
Nojiri, H., Tokunaga, Y., Motokawa, M.
Magnetization measurements of CsCuCl3 is performed using pulsed high magnetic fields at various temperatures atures below TN. Magnetization shows a small jump at 12.5 T and saturation at 31 T at 1.1...
Nojiri, H., Sugimori, M., Yamane, H., Nishimura, Y., Yamada, A., Shibuya, N., ...
It has been suggested that jasmonic acid (JA) could be an integral part of a general signal transduction system regulating inducible defense genes in plants. It was reported that treatment with an...
Analysis of cumene (isopropylbenzene) degradation genes from Pseudomonas fluorescens IP01.
Habe, H, Kasuga, K, Nojiri, H, Yamane, H, Omori, T
We obtained the DNA fragments encoding 2-hydroxy-6-oxo-7-methylocta-2,4-dienoic acid (HOMODA) hydrolase in the cumene (isopropylbenzene) degrader Pseudomonas fluorescens strain IP01 via PCR using two...
Sato, S I, Ouchiyama, N, Kimura, T, Nojiri, H, Yamane, H, Omori, T
The DNA fragment encoding meta-cleavage enzymes and the meta-cleavage compound hydrolase, involved in carbazole degradation, was cloned from the carbazole-utilizing bacterium Pseudomonas sp. strain...
Sato, S I, Nam, J W, Kasuga, K, Nojiri, H, Yamane, H, Omori, T
Nucleotide sequence analysis of the flanking regions of the carBC genes of Pseudomonas sp. strain CA10 revealed that there were two open reading frames (ORFs) ORF4 and ORF5, in the upstream region of...
Nojiri, H, Ishida, I, Miyashita, E, Sato, M, Urano, A, Deguchi, T
The primary structures of the precursors of neurohypophysial hormones vasotocin (VT) and mesotocin (MT) in the hypothalamus of the toad Bufo japonicus were determined by analyzing the nucleotide...
Nojiri, H, Takaku, F, Terui, Y, Miura, Y, Saito, M
When human myeloid and monocytoid leukemic cell lines HL-60 and U937, respectively, were treated with an exogenous sialoglycosphingolipid, ganglioside GM3, in serum-free medium, cell growth was...
Kitagawa, S, Ohta, M, Nojiri, H, Kakinuma, K, Saito, M, Takaku, F, ...
The alterations of stimulus-induced membrane potential changes, superoxide (O2-)-producing capacity and phagocytic activity during differentiation of human granulocytes were investigated in the human...
Nojiri, H., Sugimori, M., Yamane, H., Nishimura, Y., Yamada, A., Shibuya, N., ...
It has been suggested that jasmonic acid (JA) could be an integral part of a general signal transduction system regulating inducible defense genes in plants. It was reported that treatment with an...
Analysis of cumene (isopropylbenzene) degradation genes from Pseudomonas fluorescens IP01.
Habe, H, Kasuga, K, Nojiri, H, Yamane, H, Omori, T
We obtained the DNA fragments encoding 2-hydroxy-6-oxo-7-methylocta-2,4-dienoic acid (HOMODA) hydrolase in the cumene (isopropylbenzene) degrader Pseudomonas fluorescens strain IP01 via PCR using two...
Sato, S I, Ouchiyama, N, Kimura, T, Nojiri, H, Yamane, H, Omori, T
The DNA fragment encoding meta-cleavage enzymes and the meta-cleavage compound hydrolase, involved in carbazole degradation, was cloned from the carbazole-utilizing bacterium Pseudomonas sp. strain...
Sato, S I, Nam, J W, Kasuga, K, Nojiri, H, Yamane, H, Omori, T
Nucleotide sequence analysis of the flanking regions of the carBC genes of Pseudomonas sp. strain CA10 revealed that there were two open reading frames (ORFs) ORF4 and ORF5, in the upstream region of...
Nojiri, H, Ishida, I, Miyashita, E, Sato, M, Urano, A, Deguchi, T
The primary structures of the precursors of neurohypophysial hormones vasotocin (VT) and mesotocin (MT) in the hypothalamus of the toad Bufo japonicus were determined by analyzing the nucleotide...
Nojiri, H, Takaku, F, Terui, Y, Miura, Y, Saito, M
When human myeloid and monocytoid leukemic cell lines HL-60 and U937, respectively, were treated with an exogenous sialoglycosphingolipid, ganglioside GM3, in serum-free medium, cell growth was...
Kitagawa, S, Ohta, M, Nojiri, H, Kakinuma, K, Saito, M, Takaku, F, ...
The alterations of stimulus-induced membrane potential changes, superoxide (O2-)-producing capacity and phagocytic activity during differentiation of human granulocytes were investigated in the human...