Photon correlation in GaAs self-assembled quantum dots (2008)
Kuroda, T., Abbarchi, M., Mano, T., Watanabe, K., Yamagiwa, M., Kuroda, K., ...
We report on photon coincidence measurement in a single GaAs self-assembled quantum dot (QD) using a pulsed excitation light source. At low excitation, when a neutral exciton line was present in the...
Kuroda, K., Kuroda, T., Watanabe, K., Mano, T., Sakoda, K., Kido, G., ...
We report on a new approach to detect excitonic qubits in semiconductor quantum dots by observing spontaneous emissions from the relevant qubit level. The ground state of excitons is resonantly...
Self-assembly of laterally aligned GaAs quantum dot pairs (2006)
Yamagiwa, M., Mano, T., Kuroda, T., Tateno, T., Sakoda, K., Kido, G., ...
We report the fabrication of self-assembled, strain-free GaAs/Al$_{0.27}$Ga$_{0.73}$As quantum dot pairs which are laterally aligned in the growth plane, utilizing the droplet epitaxy technique and...
Valence and Na content dependences of superconductivity in NaxCoO2.yH2O (2005)
Sakurai, H., Tsujii, N., Suzuki, O., Kitazawa, H., Kido, G., Takada, K., ...
Various samples of sodium cobalt oxyhydrate with relatively large amounts of Na$^{+}$ ions were synthesized by a modified soft-chemical process in which a NaOH aqueous solution was added in the final...
Optical transitions in quantum ring complexes (2005)
Kuroda, T., Mano, T., Ochiai, T., Sanguinetti, S., Sakoda, K., Kido, G., ...
Making use of a droplet-epitaxial technique, we realize nanometer-sized quantum ring complexes, consisting of a well-defined inner ring and an outer ring. Electronic structure inherent in the unique...
Effect of charge state in nearby quantum dots on quantum Hall effect (2005)
Takehana, K., Takamasu, T., Kido, G., Henini, H.
Magnetoresistance measurements have been performed on a gated two-dimensional electron system (2DES) separated by a thin barrier layer from a layer of InAs self-assembled quantum dots (QDs). Clear...
Field-induced magnetic ordering in the Haldane system PbNi2V2O8 (2005)
Tsujii, N., Suzuki, O., Suzuki, H., Kitazawa, H., Kido, G.
The Haldane system PbNi2V2O8 was investigated by the temperature dependent magnetization M(T) measurements at fields higher than H_c, with H_c the critical fields necessary to close the Haldane gap....
Magnetic properties and thermal expansion of YbGa$_x$Ge$_{2-x}$ (0.9 (2004)
Tsujii, N., Furubayashi, T., Kitazawa, H., Kido, G.
The composition dependence of the Yb valence and of the thermal expansion have been studied in the YbGa$_x$Ge$_{2-x}$ system. X-ray diffraction reveals that single-phased samples isostructural to...
Field-Induced Magnetic Ordering in the Quantum Spin System KCuCl$_3$ (2002)
Oosawa, A., Takamasu, T., Tatani, K., Abe, H., Tsujii, N., Suzuki, O., ...
KCuCl$_3$ is a three-dimensional coupled spin-dimer system and has a singlet ground state with an excitation gap ${\Delta}/k_{\rm B}=31$ K. High-field magnetization measurements for KCuCl$_3$ have...
Single crystal MgB2 with anisotropic superconducting properties (2001)
Xu, M., Kitazawa, H., Takano, Y., Ye, J., Nishida, K., Abe, H., ...
The discovery of superconductor in magnesium diboride MgB2 with high Tc (39 K) has raised some challenging issues; whether this new superconductor resembles a high temperature cuprate...
Spin-phonon coupled modes in the incommensurate phases of doped CuGeO$_{3}$ (2000)
Takehana, K., Takamasu, T., Hase, M., Kido, G., Masuda, T., Uchinokura, K.
The doping effect of the folded phonon mode at 98 cm$^{-1}$ was investigated on the Si-doped CuGeO$_3$ by magneto-optical measurements in far-infrared (FIR) region under high magnetic field. The...
Corresponding author. Tel./fax: 81-78-803-5649. (2000)
Mail Address Skimura, Transition Of Cesb, S. Kimura, H. Kitazawa, G. Kido, T. Suzuki
We have observed the magnetic-phase transitions of CeSb and CeBi by a magnetic circular dichroism spectroscopy in the infrared region. The phase boundary is similar to that detected by neutron...
Far-Infrared Spectroscopy in Spin-Peierls Compound CuGeO_3 under High Magnetic Fields (1999)
Takehana, K., Takamasu, T., Hase, M., Kido, G., Uchinokura, K.
Polarized far-infrared (FIR) spectroscopic measurements and FIR magneto-optical studies were performed on the inorganic spin-Peierls compound CuGeO_3. An absorption line, which was found at 98...
The influence of high magnetic fields and electron transport in semiconductor superlattices. (1999)
Kido, G., Eaves, L., Murphy, H. M., Nogaret, A., Stoddart, S. T., Main, P. C., ...
Breakdown of the quantum Hall effect: a phase diagram? (1999)
Kido, G., Maude, D. K., Rigal, L. B., Eaves, L., Potemski, M., Wasilewski, Z. R., ...
Magnetotransport in epitaxial thin films of the magnetic perovskite Pr0.5Sr0.5MnO3 (1997)
Metlushko, V, Kido, G, ...
Thin, oriented films of the magnetic perovskite Pr0.5Sr0.5MnO3 were prepared by dc-magnetron sputtering, structurally characterized by x-ray diffraction and their physical properties investigated by...
Magnetic transitions and magneto-transport in epitaxial Pr0.5Sr0.5MnO3 thin films (1996)
Metlushko, V, Vullers, RJM, ...
Epitaxial thin films of the magnetic perovskite Pr0.5Sr0.5MnO3 were prepared by dc-magnetron sputtering, structurally characterized by x-ray diffraction and their physical properties investigated by...
Magnetic Transitions and Magneto-Transport in Epitaxial Pr0.5Sr0.5MnO3 Thin Films (1996)
Wagner, P., Metlushko, V., Van Bael, M., Vullers, R., Trappeniers, L., Vantomme, A., ...
Epitaxial thin films of the magnetic perovskite Pr0.5Sr0.5 MnO3 were prepared by dc-magnetron sputtering, structurally characterized by x-ray diffraction and their physical properties investigated by...
Magnetic Transitions and Magneto-Transport in Epitaxial Pr0.5Sr0.5MnO3 Thin Films (1996)
Wagner, P., Metlushko, V., Van Bael, M., Vullers, R., Trappeniers, L., Vantomme, A., ...
Epitaxial thin films of the magnetic perovskite Pr0.5Sr0.5 MnO3 were prepared by dc-magnetron sputtering, structurally characterized by x-ray diffraction and their physical properties investigated by...
Magnetic Transitions and Magneto-Transport in Epitaxial Pr0.5Sr0.5MnO3 Thin Films (1996)
Wagner, P., Metlushko, V., Van Bael, M., Vullers, R., Trappeniers, L., Vantomme, A., ...
Epitaxial thin films of the magnetic perovskite Pr0.5Sr0.5 MnO3 were prepared by dc-magnetron sputtering, structurally characterized by x-ray diffraction and their physical properties investigated by...
Yasui, T., Segawa, Y., Aoyagi, Y., Iimura, Y., Bauer, G.E.W., Mogi, I., ...
EFFECT OF HIGH PRESSURE AND HIGH MAGNETIC FIELD ON MAGNETISM OF MnAs1-xSbx (0 ≤ x ≤ 0.3) (1988)
Ido, H., Yasuda, S., Kido, M., Kido, G., Miyakawa, T.
Magnetic and crystallographic properties, pressure effect of the Curie temperature region are measured for MnAs1-xSbx. Bean and Rodbell's theory with temperature dependent parameters can be...
FORCED MAGNETOVOLUME EFFECTS IN Sc1-xTixFe2 AT THE FERROMAGNETIC TO FERROMAGNETIC TRANSITION (1988)
Kido, G., Nakagawa, Y., Yamaguchi, Y., Nishihara, Y.
Magnetostriction was measured up to 300 kOe in a hexagonal Laves phase compound Sc1-xTixFe2 which exhibits a transition between the different ferromagnetic states. A capacitance method was employed...
HIGH FIELD MAGNETISM OF THE INTERMETALLIC COMPOUNDS RAg AND RCu (R = Dy, Tb AND Gd) (1988)
Miura, S., Kaneko, T., Abe, S., Kido, G., Yoshida, H., Kamigaki, K., ...
Magnetization measurements are done for RAg and RCu (R = Dy, Tb and Gd) under static magnetic field up to 150 kOe and pulsed field up to 300 kOe. For DyAg a two-stage field induced transition is...
HIGH-FIELD MAGNETIZATION PROCESS AND CRYSTALLINE FIELD IN R2Co14B (1988)
Kato, H., Yamada, M., Kido, G., Nakagawa, Y., Hirosawa, S., Sagawa, M.
Magnetizations of R2Co14B single crystals with R = Nd and Pr have been measured under steady magnetic fields up to 300 kOe. We have shown that the observed data can be well reproduced by nearly the...
MAGNETIC PHASE TRANSITION IN Ce (Fe0.85Al0.15)2 (1988)
Nishihara, Y., Yamaguchi, Y., Kido, G., Nakagawa, Y.
The cubic Laves phase compound Ce (Fe0.85Al0.15)2 is an antiferromagnet with a Néel temperature of 142 K. The antiferromagnetic to ferromagnetic transition is induced by the application of magnetic...
MAGNETIC PROPERTIES OF Cr2S3 (1988)
Yuzuri, M., Kaneko, T., Tsushima, T., Miura, S., Abe, S., Kido, G., ...
Magnetization measurements were carried out in a static magnetic field up to 15 T and in a pulsed magnetic field up to 30 T. From the results, the temperature dependence of the critical field between...
MAGNETIC PROPERTIES OF HEUSLER-TYPE Fe2MnSi (1988)
Kido, M., Ido, H., Yasuda, S., Kido, G., Nakagawa, Y.
Magnetic measurements were made up to 1 300 K and 230 kOe for Fe2MnSi. Observed magnetic susceptibility is expressed by χobs = C/(T - θp) + χp. When χp (6.6 x 10-6 emu/g) is...
SPIN PHASE TRANSITION IN CsFeCl3.2H2O INDUCED BY THE INTENSE MAGNETIC FIELD (1988)
Takeda, M., Kido, G., Nakagawa, Y., Okada, H., Kojima, N., Tsujikawa, I.
A metamagnetic transition was found in CsFeCl3.2H2O with anomalous relaxation at 14 T when the external magnetic field is applied parallel to the 1D-magnetic chain of the a-axis. A metastable state...
VALENCE CHANGE IN Yb INTERMETALLICS INDUCED BY TEMPERATURE AND MAGNETIC FIELD (1988)
Yoshimura, K., Nitta, T., Mekata, M., Shimizu, T., Sakakibara, T., Goto, T., ...
An anomalous field-induced valence transition has been observed at 4.2 K by magnetization (M), volume magnetostriction (ƊV/V) and magnetoresistivity (ρ) measurements of (Yb - In) Cu2. The...
EFFECT OF HIGH PRESSURE AND HIGH MAGNETIC FIELD ON MAGNETISM OF MnAs1-xSbx (0 ≤ x ≤ 0.3) (1988)
Ido, H., Yasuda, S., Kido, M., Kido, G., Miyakawa, T.
Magnetic and crystallographic properties, pressure effect of the Curie temperature region are measured for MnAs1-xSbx. Bean and Rodbell's theory with temperature dependent parameters can be...
FORCED MAGNETOVOLUME EFFECTS IN Sc1-xTixFe2 AT THE FERROMAGNETIC TO FERROMAGNETIC TRANSITION (1988)
Kido, G., Nakagawa, Y., Yamaguchi, Y., Nishihara, Y.
Magnetostriction was measured up to 300 kOe in a hexagonal Laves phase compound Sc1-xTixFe2 which exhibits a transition between the different ferromagnetic states. A capacitance method was employed...
HIGH FIELD MAGNETISM OF THE INTERMETALLIC COMPOUNDS RAg AND RCu (R = Dy, Tb AND Gd) (1988)
Miura, S., Kaneko, T., Abe, S., Kido, G., Yoshida, H., Kamigaki, K., ...
Magnetization measurements are done for RAg and RCu (R = Dy, Tb and Gd) under static magnetic field up to 150 kOe and pulsed field up to 300 kOe. For DyAg a two-stage field induced transition is...
HIGH-FIELD MAGNETIZATION PROCESS AND CRYSTALLINE FIELD IN R2Co14B (1988)
Kato, H., Yamada, M., Kido, G., Nakagawa, Y., Hirosawa, S., Sagawa, M.
Magnetizations of R2Co14B single crystals with R = Nd and Pr have been measured under steady magnetic fields up to 300 kOe. We have shown that the observed data can be well reproduced by nearly the...
MAGNETIC PHASE TRANSITION IN Ce (Fe0.85Al0.15)2 (1988)
Nishihara, Y., Yamaguchi, Y., Kido, G., Nakagawa, Y.
The cubic Laves phase compound Ce (Fe0.85Al0.15)2 is an antiferromagnet with a Néel temperature of 142 K. The antiferromagnetic to ferromagnetic transition is induced by the application of magnetic...
MAGNETIC PROPERTIES OF Cr2S3 (1988)
Yuzuri, M., Kaneko, T., Tsushima, T., Miura, S., Abe, S., Kido, G., ...
Magnetization measurements were carried out in a static magnetic field up to 15 T and in a pulsed magnetic field up to 30 T. From the results, the temperature dependence of the critical field between...
MAGNETIC PROPERTIES OF HEUSLER-TYPE Fe2MnSi (1988)
Kido, M., Ido, H., Yasuda, S., Kido, G., Nakagawa, Y.
Magnetic measurements were made up to 1 300 K and 230 kOe for Fe2MnSi. Observed magnetic susceptibility is expressed by χobs = C/(T - θp) + χp. When χp (6.6 x 10-6 emu/g) is...
SPIN PHASE TRANSITION IN CsFeCl3.2H2O INDUCED BY THE INTENSE MAGNETIC FIELD (1988)
Takeda, M., Kido, G., Nakagawa, Y., Okada, H., Kojima, N., Tsujikawa, I.
A metamagnetic transition was found in CsFeCl3.2H2O with anomalous relaxation at 14 T when the external magnetic field is applied parallel to the 1D-magnetic chain of the a-axis. A metastable state...
VALENCE CHANGE IN Yb INTERMETALLICS INDUCED BY TEMPERATURE AND MAGNETIC FIELD (1988)
Yoshimura, K., Nitta, T., Mekata, M., Shimizu, T., Sakakibara, T., Goto, T., ...
An anomalous field-induced valence transition has been observed at 4.2 K by magnetization (M), volume magnetostriction (ƊV/V) and magnetoresistivity (ρ) measurements of (Yb - In) Cu2. The...
EFFECT OF HIGH PRESSURE AND HIGH MAGNETIC FIELD ON MAGNETISM OF MnAs1-xSbx (0 ≤ x ≤ 0.3) (1988)
Ido, H., Yasuda, S., Kido, M., Kido, G., Miyakawa, T.
Magnetic and crystallographic properties, pressure effect of the Curie temperature region are measured for MnAs1-xSbx. Bean and Rodbell's theory with temperature dependent parameters can be...
FORCED MAGNETOVOLUME EFFECTS IN Sc1-xTixFe2 AT THE FERROMAGNETIC TO FERROMAGNETIC TRANSITION (1988)
Kido, G., Nakagawa, Y., Yamaguchi, Y., Nishihara, Y.
Magnetostriction was measured up to 300 kOe in a hexagonal Laves phase compound Sc1-xTixFe2 which exhibits a transition between the different ferromagnetic states. A capacitance method was employed...
HIGH FIELD MAGNETISM OF THE INTERMETALLIC COMPOUNDS RAg AND RCu (R = Dy, Tb AND Gd) (1988)
Miura, S., Kaneko, T., Abe, S., Kido, G., Yoshida, H., Kamigaki, K., ...
Magnetization measurements are done for RAg and RCu (R = Dy, Tb and Gd) under static magnetic field up to 150 kOe and pulsed field up to 300 kOe. For DyAg a two-stage field induced transition is...
HIGH-FIELD MAGNETIZATION PROCESS AND CRYSTALLINE FIELD IN R2Co14B (1988)
Kato, H., Yamada, M., Kido, G., Nakagawa, Y., Hirosawa, S., Sagawa, M.
Magnetizations of R2Co14B single crystals with R = Nd and Pr have been measured under steady magnetic fields up to 300 kOe. We have shown that the observed data can be well reproduced by nearly the...
MAGNETIC PHASE TRANSITION IN Ce (Fe0.85Al0.15)2 (1988)
Nishihara, Y., Yamaguchi, Y., Kido, G., Nakagawa, Y.
The cubic Laves phase compound Ce (Fe0.85Al0.15)2 is an antiferromagnet with a Néel temperature of 142 K. The antiferromagnetic to ferromagnetic transition is induced by the application of magnetic...
MAGNETIC PROPERTIES OF Cr2S3 (1988)
Yuzuri, M., Kaneko, T., Tsushima, T., Miura, S., Abe, S., Kido, G., ...
Magnetization measurements were carried out in a static magnetic field up to 15 T and in a pulsed magnetic field up to 30 T. From the results, the temperature dependence of the critical field between...
MAGNETIC PROPERTIES OF HEUSLER-TYPE Fe2MnSi (1988)
Kido, M., Ido, H., Yasuda, S., Kido, G., Nakagawa, Y.
Magnetic measurements were made up to 1 300 K and 230 kOe for Fe2MnSi. Observed magnetic susceptibility is expressed by χobs = C/(T - θp) + χp. When χp (6.6 x 10-6 emu/g) is...
SPIN PHASE TRANSITION IN CsFeCl3.2H2O INDUCED BY THE INTENSE MAGNETIC FIELD (1988)
Takeda, M., Kido, G., Nakagawa, Y., Okada, H., Kojima, N., Tsujikawa, I.
A metamagnetic transition was found in CsFeCl3.2H2O with anomalous relaxation at 14 T when the external magnetic field is applied parallel to the 1D-magnetic chain of the a-axis. A metastable state...
VALENCE CHANGE IN Yb INTERMETALLICS INDUCED BY TEMPERATURE AND MAGNETIC FIELD (1988)
Yoshimura, K., Nitta, T., Mekata, M., Shimizu, T., Sakakibara, T., Goto, T., ...
An anomalous field-induced valence transition has been observed at 4.2 K by magnetization (M), volume magnetostriction (ƊV/V) and magnetoresistivity (ρ) measurements of (Yb - In) Cu2. The...