2009以前 

2009

Pressure-induced superconductivity in the orthorhombic Kondo compound CePtSi2, T. Nakano, M. Ohashi, G. Oomi, K. Matsubayashi and Y. Uwatoko, Phys. Rev. B79(2009) Are #172507

Pressure-induced Kondo semiconductor: The filled skutterudite compound CeRu4Sb12, N. Kurita, M. Hedo, M. Koeda, M. Kobayashi, H. Sato, H. Sugawara and Y. Uwatoko, Phys. Rev. B 79(2009) , Art #014441.

Development of pressure cell for specific heat measurement at low temperature and high Magnetic field, T. Kawae, K. Yaita, Y. Yoshida, Y. Inagaki, M. Ohashi, G. Oomi, K. Matsubayashi, T. Matsumoto and Y. Uwatoko, Rev. Sci. Instrum. 80(2009), Art #025102.

A new crossover in Fe3O4 magnetite under pressure near 6 GPa:modification to 'ideal' inverse cubic spinel?, SV. Ovsyannikov, VV. Shchennikov, S. Todo and Y. Uwatoko, J. Phys.-Condes Matter 20(2009), Art #172201.

Versatile inelastic neutron spectrometer (VINS) project for J-PARC, T. J. Sato, O. Yamamuro, K. Hirota, M. Shibayama, H. Yoshizawa, S. Itoh, S. Watanabe, T. Asami, K. Kindo, Y. Uwatoko, T. Kanaya, N. Higashi and K. Ueno, Nucl. Instr. Methods Phys. Res. Sect. A 600 (2009), pp.143-145.

Neutron powder diffraction under high pressure at J-PARC, W. Utsumi, H. Kagi, K. Komatsu, H. Arima, T. Nagai, T. Okuchi, T. Kamiyama, Y. Uwatoko, K. Matsubayashi and T. Yagi, Nucl. Instr. Methods Phys. Res. Sect. A 600 (2009), pp.50-52.

Pressure-Induced Superconductivity in Iron Pnictide Compound SrFe2As2,K.Igawa, H.Okada, H.Takahashi, S.Matsuishi, Y.Kamihara, M.Hirano, H.Hosono, K.Matsubayashi, Y.Uwatoko, J. Phys. Soc. Jpn.78 (2009), Art #025001.

Study of the onset of superconductivity in underdoped La2-xSrxCuO4, T. Takami, JS. Zhou, JG. Cheng, JB. Goodenough, K. Matsubayashi and Y. Uwatoko, New J. Phys. 11(2009), Art #013057

2008

Spin ordering of 3d1 electrons shared within rungs in ladder-type vanadate β-Ag0.33V2O5: Nuclear magnetic resonance and zero-field resonance measurements, A. Hisada, N. Fujiwara, T. Yamauchi, Y. Ueda, M. Hedo and Y. Uwatoko, Phys. Rev. B78(2008) Art #012402(1-4).

Electronic states of single crystal CeAl2 near the pressure-induced quantum critical point, H. Miyagawa, G. Oomi, M. Ohashi, I. Satoh, T. Komatsubara, M. Hedo and Y. Uwatoko, Phys. Rev. B78(2008) Art #064403.

Breakdown of magnetic order in Mott insulators with frustrated superexchange interaction, JS. Zhou, Y. Uwatoko, K. Matsubayashi and JB. Goodenough, Phys. Rev. B 78(2008), Art #220402.

Magnetotransport properties governed by antiferromagnetic fluctuations in the heavy-fermion superconductor CeIrIn5, Y. Nakajima, H. Shishido, H. Nakai, T. Shibauchi, M. Hedo, Y. Uwatoko, T. Matsumoto, R. Settai, Y. Onuki, H. Kontani and Y. Matsuda, Phys. Rev. B77(2008) Art #214504.

Anomalously wide superconducting phase of one-dimensional organic conductor (TMTTF)2SbF6, M. Itoi, C. Araki, M. Hedo, Y. Uwatoko and T. Nakamura, J. Phys. Soc. Jpn. 77(2008) Art #023701.

Magnetic properties of Ca3Ru2O7 under uniaxial pressures, Y. Yoshida, SI. Ikeda, N. Shirakawa, M. Hedo and Y. Uwatoko,  J. Phys. Soc. Jpn. 77(2008) Art #093702.

Pressure-induced commensurate magnetic order in multiferroic HoMn2O5, H. Kimura, K. Nishihata, Y. Noda, N. Aso, K. Matsubayashi, Y. Uwatoko and T. Fujiwara, J. Phys. Soc. Jpn. 77(2008) Art #063704.

Pressure-induced magnetic transition in a single crystal of YbCo2Zn20, Y. Saiga, K. Matsubayashi, T. Fujwara, M. Kosaka, S. Katano, M. Hedo, T. Matsumoto and Y. Uwatoko, J. Phys. Soc. Jpn. 77(2008) Art #053710.

Superconductivity under High Pressure in LaFeAsO, H. Okada, K. Igawa, H. Takahashi, Y. Kamihara, M. Hirano, H. Hosono, K. Matsubayashi and Y. Uwatoko, J. Phys. Soc. Jpn. 77(2008) Art #113712.

Critical behavior of the ferromagnetic perovskite BaRuO3, JS. Zhou, K. Matsubayashi, Y. Uwatoko, CQ. Jin, JG. Cheng, JB. Goodenough, QQ. Liu, T. Katsura, A. Shatskiy and E. Ito, Phys. Rev. Lett. 101 (2008) Art #077206.

Investigation of Ce2Pd3Si5 at pressures to 9.5 GPa, N. Kurita, H. Yamamoto, M. Hedo, T. Fujiwara, T. Shigeoka, SW. Tozer and Y. Uwatoko, Physica B 403(2008) pp.1479-1481.

Pressure effect on paramagnet β-US2, S. Ikeda, H. Sakai, TD. Matsuda, N. Tateiwa, A. Nakamura, E. Yamanioto, D. Aoki, Y. Homma, Y. Shiokawa, M. Hedo, Y. Uwatoko, Y. Haga and Y. Ounki, Physica B 403(2008)pp.893-894.

Pressure-induced metal-insulator transition in spinel compound CuV2S4, H. Okada, K. Koyama, M. Hedo, Y. Uwatoko and K. Watanabe, Physica B 403(2008) pp.1612-1613.

Single crystal growth and pressure effect of an antiferromagnet Ce2CuGe6, M. Nakashima, T. Kawai, T. Shimoda, T. Takeuchi, T. Yoneyama, TD. Matsuda, Y. Haga, K. Shimizu, M. Hedo, Y. Uwatoko, R. Settai and Y. Onuki, Physica B 403 (2008) pp.789-791.

Transport property of Ca3RU2O7 under hydrostatic pressures, Y. Yoshida, M. Hedo, SI. Ikeda, N. Shirakawa and Y. Uwatoko, Physica B403 (2008) pp.1213-1215.

Heat capacity of CeIrSi3 under pressure, F. Tomioka, M. Hedo, I. Umehara, Y. Uwatoko, Y. Takano, Y. Okuda, R. Settai and Y. Onuki, J. Phys. Chem. Solids 69 (2008) pp.3199-3201.

Non-Fermi liquid behavior in the magnetotransport of quasi two-dimensional heavy Fermion compounds CeMIn5: Y. Nakajima, T. Shibauchi, H. Shishido, H. Nakai, K. Behnia, K. Izawa, M. Hedo, Y. Uwatoko, T. Matsumoto, R. Settai, Y. Onuki, H. Kontani and Y. Matsuda, J. Phys. Chem. Solids 69 (2008) pp.3261-3264.

Pressure-induced transition in a heavy fermion YbPd2Si2, SV. Ovsyannikov, VV. Shchennikov, T. Fujiwara and Y. Uwatoko, J. Phys. Chem. Solids 69 (2008) pp.2301-2306.

Spin gap of a pressure-induced superconductor Sr2Ca12Cu24O41 at an optimum pressure of 3.8 GPa, N. Fujiwara, Y. Fujimaki, S. Uchida, T. Matsumoto and Y. Uwatoko, J. Phys. Chem. Solids 69 (2008) pp.3171- 3173.

Observation of Metallic Resistance Down to 56 K in Langmuir-Blodgett Films Based on Ditetradecyldimethylammonium-Au(dmit)2 Salt, YF. Miura, M. Kitao, H. Matsui, M. Sugi, M. Hedo, K. Matsubayashi and Y. Uwatoko,  Jpn. J. Appl. Phys. 47 (2008) pp.8884-8886.

Transport properties of Fe3O4 magnetite at high pressure up to 24GPa: a search for crossovers, SV. Ovsyannikov, VV. Shchennikov, S. Todo and Y. Uwatoko, HIGH PRESSURE RESEARCH 28 (2008) pp.601-606.

2007

A Novel Ordered Phase in SrCu2(BO3)2 under High Pressure, T. Waki, K. Arai, M. Takigawa, Y. Saiga, Y. Uwatoko, H. Kageyama and Y. Ueda, J. Phys. Soc. Jpn. 76, Art. No.073710 (1-4) (2007).

Magnetotransport properties in near-stoichiometric hydride films of YH2+δ under weak fields, M. Sakai, T. Nanbo, O. Nakamura, H. Tajima and Y. Uwatoko, J. Appl. Phys. 101,Art. No.103713(1-8)(2007).

Unusual Hall effect in quasi two-dimensional strongly correlated metal CeCoIn5, Y. Nakajima, H. Shishido, K. Izawa, Y. Matsuda, H. Kontani, H. Hedo, Y. Uwatoko, T. Matsumoto, R. Settai and Y. Onuki, PHYSICA C 460pp.680-681(2007).

Pressure-induced insulator-metal transition in a novel layer metalloorganic structure, SV. Ovsyannikov, VV. Shchennikov, AN. Titov and Y. Uwatoko, PHYSICA STATUS SOLIDI B 244 pp.174-178 (2007).

Development of high-pressure, high-field and multifrequency electron spin resonance system, T. Sakurai, A. Taketani, T. Tomita, S. Okubo, H. Ohta and Y. Uwatoko, Rev. Sci. Instrum. 78, 065107 (2007) .

Fabrication and efficiency evaluation of a hybrid NiCrAl pressure cell up to 4GPa, N. Fujiwara, T. Matsumoto T. N. Koyama, A. Hisada and Y. Uwatoko, Rev. Sci. Instrum. 78, 073905 (2007).

Magnetic and electrical properties in CePtSi3 without inversion symmetry in the crystal structure, T. Kawai, Y. Okuda, H. Shishido, A. Thamizhavel, TD. Matsuda, Y. Haga, Y. M. Nakashima, T. Takeuchi, M. Hedo, Y. Uwatoko, R. Settai and Y. Onuki, J. Phys. Soc. Jpn. 76, Art No. 014710(1-6) (2007).

Non-fermi liquid behavior in the magnetotransport of CeMln5 (M : Co and Rh): Striking similarity between quasi two-dimensional heavy fermion and high-Tc cuprates, Y. Nakajima, H. Shishido, H. Nakai, T. Shibauchi, K. Behnia, K. Izawa, M. Hedo, Y. Uwatoko, T. Matsumoto, R. Settai, Y. Onuki, H. Kontani and Y. Matsuda, J. Phys. Soc. Jpn. 76, Art No. 024703(1-15) (2007).

Pressure-induced superconductivity in the quasi-one-dimensional organic conductor (TMTTF)2AsF6, M. Itoi, M. Kano, N. Kurita, M. Hedo, Y. Uwatoko and T. Nakamura, J. Phys. Soc. Jpn. 76, Art No. 053703 (2007).

Softening of magnetic excitations leading to pressure-induced quantum phase transition in gapped spin system KCuCl3, K. Goto, T. Osakabe, K. Kakurai, Y. Uwatoko, A. Oosawa, J. Kawakami and H. Tanaka, J. Phys. Soc. Jpn. 76, Art No.053704 (2007).

In situ pressure calibration for piston cylinder cells via ruby fluorescence with fiber optics, K. Koyama-Nakazawa, M. Koeda, M. Hedo and Y. Uwatoko, Rev. Sci. Instrum. 78, 066109 (2007).

Electron Momentum Density in the Low-Dimensional Layered System ZrTe3, Y. Kubo, Y. Sakurai, M. Ito, A. Koizumi, K. Yamaya and Y. Uwatoko, J. Phys. Soc. Jpn. 76, Art No.064711 (2007).

Unusual Enhancement of Magnetization by Pressure in the Antiferro-Quadrupole-Ordered Phase in CeB6, S. Ikeda, M. Sera, S. Hane, Y. Uwatoko, M. Kosaka and S. Kunii, J. Phys. Soc. Jpn. 76, Art No.064716 (2007).

A Novel Ordered Phase in SrCu2(BO3)2 under High Pressure, T. Waki, K. Arai, M. Takigawa, Y. Saiga, Y. Uwatoko, H. Kageyama and Y. Ueda, J. Phys. Soc. Jpn. 76, Art No.073710 (2007).

Pressure-Induced Magnetic Quantum Phase Transition in Gapped Spin System KCuCl3, K. Goto, M. Fujisawa, H. Tanaka H. Y. Uwatoko, A. Oosawa, T. Osakabe and K. Kakura, J. Phys. Soc. Jpn. 76, Art No.098001 (2007).

Softening of Magnetic Excitations Leading to Pressure-Induced Quantum Phase Transition in Gapped Spin System KCuCl3, K. Goto, T. Sakabe, K. Kakurai, Y. Uwatoko, A. Oosawa, J. Kawakami and H. Tanaka, J. Phys. Soc. Jpn. 76,Art No.098002 (2007).

Anomalous pressure dependence of superconductivity in layered organic conductor, κ-(BEDT-TTF)4Hg2.89Br8, H. Taniguchi, T. Okuhata, T. Nagai, K. Satoh, N. Mori N. Y. Shimizu Y. M. Hedo and Y. Uwatoko, J. Phys. Soc. Jpn. 76, Art No.113709 (2007).

Positive and negative pressure effects on the magnetic ordering and the Kondo effect in the compound Ce2RhSi3, T. Nakano, K. Sengupta, S. Rayaprol, M. Hedo, Y. Uwatoko and EV. Sampathkumaran, J. Phys.-CONDENSED MATTER 19, 326205 (2007).

The effect of pressure on the nuclear quadrupole resonance and ruby fluorescence in a NiCrAl pressure cell, N. Fujiwara, K. Nakazawa, T. Matsumoto, A. Hisada and Y. Uwatoko, J. Phys.-CONDENSED MATTER 19, 425203(2007).

Pressure effect of electrical resistivity and AC specific heat in CePtAl, M. Nakashima, T. Ueda, K. Shimizu, H. Nakashima, A. Thamizhavel, N. Tateiwa N. Y. Haga Y. M. Hedo, Y. Uwatoko, R. Settai, Y. Onuki, K. Izawa, G. Knebel, B. Salce and J. Flouquet, J. Magn. Magn. Mater. 310, E9-E11 (2007).

Relation between superconductivity and superstructure in Ce2RhIn8, M. Koeda, T. Fujiwara, M. Hedo, Y. Uwatoko, H. Sagayama, Y. Wakabayashi and H. Sawa, J. Magn. Magn. Mater. 310, E31-E32 (2007).

Galvanomagnetic properties of super and substoichiometric yttrium dihydrides, M. Sakai, T. Nanbo, Y. Tanji, N. Miyazak, O. Nakamura, Y. Uwatoko and H. Tajima, J. Magn. Magn. Mater. 310, E59-61(2007).

Specific heat of superstoichiometric samarium dihydride (SmH2+δ), O. Nakamura, Y. Tanaka, K. Nakazawa, T. Nakano, M. Sakai, S. Orimo and Y. Uwatoko, J. Magn. Magn. Mater. 310, E65-E67 (2007)

Effect of pressure on the magnetization measurements of Fe2P, L. Chen, N. Kurita, T. Fujiwara, M. Abliz, M. Hedo, I. Oguro, A. Matsuo, K. Kindo, Y. Uwatoko and H. Fujii, J. Magn. Magn. Mater. 310, E219-E221(2007).

Effects of high pressure on A2Cu2Mo3O12 (A=Rb,Cs)(A=Rb,Cs): A one-dimensional system with competing ferromagnetic and antiferromagnetic interactions, T. Hamasaki, H. Kuroe, T. Sekine, T. Naka, M. Hase, N. Maeshima, Y. Saiga and Y. Uwatoko, J. Magn. Magn. Mater. 310, E394-396 (2007).

Chemical pressure effect in the heavy fermion compound Ce1-yLay(Ru0.85Rh0.15)2Si2, T. Horii, S. Shimada, T. Nakano, S. Murayama, H. Takano, M. Hedo and Y. Uwatoko, J. Magn. Magn. Mater. 310, 313-315 (2007).

Hall effect in the quasi two-dimensional strongly correlated metal CeMIn5 (M=Co, Rh), Y. Nakajima, H. Shishido, H. Nakai, T. Shibauchi, K. Izawa, K. Behnia, H. Hedo, Y. Uwatoko, T. Matsumoto, R. Settai R. Y. Onuki, H. Kontani and Y. Matsuda Y, J. Magn. Magn. Mater. 310, pp.334-336 (2007).

Heat capacity of CeRhSi3 under pressure, F. Tomioka, M. Hedo, I. Umehara, T. Ono, Y. Uwatoko, N. Kimura and S. Takayanagi, Takayanagi, J. Magn. Magn. Mater. 310, pp.340-342 (2007).

Magnetic field dependence of resistivity for Ce0.8La0.2(Ru0.85Rh0.15)2Si2, T. Nakano, S. Shimada, S. Murayama, M. Hedo, Y. Uwatoko and I. Terasaki, J. Magn. Magn. Mater. 310 pp.402-404(2007)

Superconductivity of PrOs4Sb12 at pressures to 10GPa, N. Kurita, M. Hedo, M. Kano, T. Fujiwara, Y. Uwatoko and S. W. Tozer, J. Magn. Magn. Mater. 310, pp.611-613 (2007).

NMR studies in quasi-1D pressure-induced superconductor β-Ag0.33V2O5, A. Hisada, N. Fujiwara, T. Yamauchi, Y. Ueda, M. Isobe and Y. Uwatoko, J. Magn. Magn. Mater. 310, pp.893-894.(2007)

Effect of pressure on the metamagnetic transition of DyB6 single crystal, T. Sakai, G. Oomi, Y. Uwatoko and S. Kunii, J. Magn. Magn. Mater. 310, 1732-1734(2007).

Pressure effects on the first order transition in MnFe(P,As) and MnFe(P,Ge), H. Yabuta, K. Umeo, T. Takabatake, L. Chen and Y. Uwatoko, J. Magn. Magn. Mater. 310, pp.1826-1828 (2007).

Pressure effect on transport property of YbMn2Ge2, Y. Saiga, T. Fujiwara, N. Kurita, M. Hedo, M. Kosaka and Y. Uwatoko, J. Magn. Magn. Mater. 310, pp.1877-1878 (2007) .

Pressure effect on thermopower of Y1-xGdxCo2 alloy system, T. Nakama, Y. Takaesu, K. Uchima, K. Yagasaki, M. Hedo, Y. Uwatoko and A. T. Burkov, J. Magn. Magn. Mater. 310, pp.1879-1881 (2007).

Development of heat capacity measurement system under high pressure, F. Tomioka, I. Umehara, T. Ono, M. Hedo, Y. Uwatoko and N. Kimura, Jpn. J. Appl. Phys. PART 1 46, pp.3090-3095 (2007).

Pressure-induced enhancement of giant magnetoresistance due to crossover of interlayer exchange coupling in Fe/Cr multilayers, K. Suenaga, S. Higashihara, M. Ohashi, G. Oomi, M. Hedo, Y. Uwatoko, K. Saito, S. Mitani and K. Takanashi, Phys. Rev. Lett. 98, Art. No.207202 (2007).

2006

Transport properties of Y1-xRxCo2 (R = Er, Ho) in magnetic field, Uchima K, Nakama T, Takaesu Y, Misashi M, Yagasaki K, Hedo M, Uwatoko Y, Burkov AT, J. ALLOY COMPD. 408, pp368-370, 2006

Pressure induced Kondo coherence effect in Ce2Pd3Si5,Abliz M, Hedo M, Kitagawa J, Uwatoko Y, Ishikawa M, J. ALLOY COMPD. 408, pp241-243, 2006

Novel magnetization processes of NdCu2Si2 single crystal, Shigeoka T, Hirata K, Uwatoko Y, J. ALLOY COMPD. 408, pp88-91, 2006

Pressure- and field-induced magnetic instabilities in a heavy-fermion antiferromagnet Ce7Ni3, Umeo K, Motoya K, Kadowaki H, Aso N, Tayama T, Sakakibara T, Kurita N, Hedo A, Uwatoko Y, Takeuchi T, Takabatake T., J. ALLOY COMPD. 408, pp43-46, 2006

Stoner gap in the superconducting ferromagnet UGe2, Aso N, Motoyama G, Uwatoko Y, Ban S, Nakamura S, Nishioka T, Homma Y, Shiokawa Y, Hirota K, Sato NK, Phys. Rev. B73 , Art. No. 054512, 2006, 

Evolution of Hall coefficient in two-dimensional heavy fermion CeCoIn5, Nakajima Y, Izawa K, Matsuda Y, Behnia K, Kontani H, Hedo M, Uwatoko Y, Matsumoto T, Shishido H, Settai R, Onuki Y, J. Phy. Soc. Jpn. 75, Art. No. 023705, 2006

Transport properties of Ce2Co7B3 in magnetic field, Notsu S, Shimoji Y, Hedo M, Uwatoko Y, Nakama T, Ido H, Yagasaki K, J. Phy. Soc. Jpn. 75, Art. No. 044714, 2006

Metallization of (TTM-TTP)I3 with a highly one-dimensional half-filled band under extremely high pressure, Yasuzuka S, Murata K, Fujimoto T, Shimotori M, Kawamoto T, Mori T, Hedo M, Uwatoko Y, J. Phy. Soc. Jpn. 75, Art. No. 053701, 2006

Most stable metallic phase of the mixed-valence MMX-chain, Pt2(dtp)4I (dtp=C2H5CS2-), in purely d-electronic conductors based on the transition-metal complex, Otsubo K, Kobayashi A, Kitagawa H, Hedo M, Uwatoko Y, Sagayama H, Wakabayashi Y, Sawa H, J. Am. Chem. Soc. 128,8140-8141, 2006

Optical and transport properties of SmH2+δ (0.25 < δ < 0.6) films, Nakamura O, Tanaka Y, Sakai M, Nanbo T, Koyama K, Uwatoko Y, Orimo S, Physica B-Cond. Mat.378-80, pp1138-1139, 2006

Magnetic properties of EuSnP, Fujiwara T, Saiga Y, Sato TJ, Hedo A, Uwatoko Y, Physica B-Cond. Mat.378-80, pp1122-1123, 2006

Heat capacity measurement of CePd2Si2 under high pressure, Hashimoto M, Tomioka F, Umehara I, Fujiwara T, Hedo M, Uwatoko Y, Physica B-Cond. Mat. 378-80, pp815-816, 2006

The electronic state tuned by high pressure in a ferromagnet CePtAl, Ueda T, Nakashima M, Nakashima H, Thamizhavel A, Hedo M, Uwatoko Y, Matsuda TD, Haga Y, Settai R, Onuki Y, Physica B-Cond. Mat. 378-80, pp801-802, 2006

Physical properties of SmMIn5 (M = Co, Rh, Ir), Inada Y, Hedo M, Fujiwara T, Sadamasa T, Uwatoko Y, Physica B-Cond. Mat. 378-80, pp421-422, 2006

Pressure-induced superconductivity of Ce2Ni3Ge5, Nakashima M, Kohara H, Thamizhavel A, Matsuda TD, Haga Y, Hedo M, Uwatoko Y, Settai R, Onuki Y, Physica B-Cond. Mat. 378-80, pp402-403, 2006

Thermal expansion of CePt3Si under high pressure, Ohashi M, Oomi G, Nakano T, Uwatoko Y; Physica B-Cond. Mat. 378-80, pp379-380, 2006

Pressure effect on electrical resistivity of Y1-xGdxCo2, Nakama T, Takaesua Y, Yagasaki K, Sakai E, Kurita N, Hedo M, Uwatoko Y, Burkov AT, Physica B-Cond. Mat. 378-80, pp169-170, 2006

Investigation of YbInCu4 at pressures to 7 GPa, Kurita N, Kano M, Hedo M, Uwatoko Y, Sarrao JL, Thompson JD, Tozer SW, Physica B-Cond. Mat. 378-80, pp104-106, 2006

Pressure-induced magnetic quantum phase transition in gapped spin system KCuCl3, Goto K, Fujisawa M, Tanaka H, Uwatoko Y, Oosawa A, Osakabe T, Kakura K, J. Phy. Soc. Jpn. 75, Art. No. 064703 JUN 2006

Pressure effect on the long-range order in CeB6, Sera M, Ikeda S, Iwakubo H, Uwatoko Y, Hane S, Kosaka M, Kunii S, Physica B-Cond. Mat.  383, pp37-38, 2006

Study of strain and giant magnetoresistance of Co/Cu magnetic multilayers, Suenaga K, Oomi G, Uwatoko Y, Saito K, Takanashi K, Fujimori H, J. Phy. Soc. Jpn. 75, Art. No. 074716, 2006

Hopping conductivity in CuIr2S4 spinel compound, I. Empirical model for electronic configuration and mechanism of metal-insulator transition, Yagasaki K, Nakama T, Hedo M, Uwatoko Y, Shimoji Y, Notsu S, Uchima K, Matsumoto N , Nagata S, Kada H, Fujii H, Yoshida H, Kimura HM, Yamaguchi Y, Burkov AT; J. Phy. Soc. Jpn. 75, Art. No. 074706, 2006

Pressure effect on insulating state in ferrimagnetic π-d system (EDT-TTFVO)2FeBr4, Fujimoto T, Yasuzuka S, Yokogawa K, Hayashi T, Hiraoka T, Fujiwara H, Sugimoto T, Hedo M, Uwatoko Y, Murata K, J. Low Temp. Phys. 142, pp613-616, 2006 

Anomalous metallic state in (TTM-TTP)I3 with a highly one-dimensional half-filled band under pressure beyond 7 GPa, Yasuzuka S, Murata K, Fujimoto T, Shimotori M, Kawamoto T, Mori T, Hedo M, Uwatoko Y, J. Low Temp. Phys. 142, pp197-200, 2006 

Pressure-induced metal-semiconductor-metal transitions in an MMX-chain complex, Pt2(C2H5CS2)4I, Kobayashi A , Tokunaga A , Ikeda R, Sagayama H, Wakabayashi Y, Sawa H. Hedo M, Uwatoko Y, Kitagawa, EUR. J. INORGA. CHEM. 2006, pp3567-3570, 2006

Electrical conducting bis(oxalato)platinate complex with direct connection of Cu-II ions, C. Yamamoto, H. Nishikawa, H. M. Nihei, T. Shiga, T. M. Hedo, Y. Uwatoko, H. Sawa, H. Kitagawa, Y. Taguchi, Y. Iwasa and H. Oshio, Inorganic Chemistry 45 10270-10276, 2006

Effect of pressure on the electronic state in antiferromagnets UPt2Si2 and UIr2Si2, S. Ikeda, M. Nakashima, TD. Matsuda, N. Tateiwa, N. E. Yamamoto, E. A. Nakamura, Y. Haga, Y. M. Hedo, Y. Uwatoko and Y. Onuki, J. Phy. Soc. Jpn.  75 Art. No.125003(1-2), 2006

New pressure-induced phase transitions in Fe2P, M. Abliz, Y. Uwatoko, T. Ohki, H. Fujii and R. A. Secco, J. Phy. Soc. Jpn.  75 Art. No.123706(1-4), 2006

Neutron diffraction study of magnetic transitions in PrCu2Ge2, T. Shigeoka, M. Nishi, S. Kawano and Y. Uwatoko, PHYSICA B385, pp.323-325, 2006

Transport properties of Y1-xRxCo2 (R = Er, Ho) in magnetic field, K. Uchima, T. Nakama, Y. Takaesu, M. Misashi, K. Yagasaki, M. Hedo, Y. Uwatoko and AT. Burkov, J. Low Temp. Phys. 408, pp.368-370, 2006

2005

Single crystal growth and fermi surface properties of an antiferromagnet UPdGa5, S. Ikeda, TD. Matsuda, Y. Haga, E. Yamamoto, M. Nakashima, S. Kirita, TC. Kobayashi, M. Hedo, Y. Uwatoko, H. Yamagami, H. Shishido, T. Ueda, R. settai, Y. Onuki, J. Phy. Soc. JAP. 74, pp2277-2281, 2005

On the mechanism of the spin state transition of (Pr1-ySmy)(1-x)CaxCoO3, T. Fujita, S. Kawabata, M. Sato, N. Kurita, M. Hedo, Y. Uwatoko, J. Phy. Soc. JAP. 74, pp2294-2300, 2005 

Hybrid organic-inorganic conductor coupled with BEDT-TTF and photochromic nitrosyl ruthenium complex, M. Okubo, M. Enomoto, K. Koyama, Y. Uwatoko, N. Kojima, Bull. Chem. Soc. Jap. 78, pp1054-1060, 2005

Electrical and magnetic properties of a single crystal UCu2Si2, TD. Matsuda, Y. Haga, S. Ikeda, A. Galatanu, E. Yamamoto, H. Shishido, M. Yamada, J. Yamamura, M. Hedo, Y. Uwatoko, T. Matsumoto, T. Tada, S. Noguchi, T. Sugimoto, K. Kuwahara, K. Iwasa, M. Kohji, R. Settai, Y. Onuki, J. Phy. Soc. JAP. 74, pp1552-1556, 2005

High-pressure study up to 9.9 GPa of organic Mott insulator, β'-(BEDT-TTF)2AuCl2, T. Taniguchi, M. Miyashita, K. Uchiyama, R. Sato, Y. Ishii, K. Satoh, N. Mori, M. Hedo, Y. Uwatoko, J. Phy. Soc. JAP. 74, pp1370-1373, 2005

Electrical resistivity and tunneling anomalies in CeCuAs2, EV Sampathkumaran, T. Ekino, RA. Ribeiro, K. Sengupta, T. Nakano, M. Hedo, N. Fujiwara, M. Abliz, Y. Uwatoko, S. Rayaprol, T. Doert, JPF. Jenetio, Physica B-Cond. Mat. 359, pp108-110, 2005 

Pressure-induced quantum critical point in the heavy fermion compound CeAl2, G. Oomi, M. Ohashi, Y. Uwatoko, I. Satoh, T. Komatsubara, Physica B-Cond. Mat. 359, pp65-67, 2005

Resistivity of antiferromagnetic Ce0.8La0.2(Ru0.85Rh0.15)2Si2 under pressure, A. Isoda, S. Shimada, Y. Kanda, S. Murayama, H. Takano, T. Nakano, M. Hedo, Y. Uwatoko, Physica B-Cond. Mat. 359, pp169-171, 2005

Alternation between the 'itinerant' and the 'localized' antiferromagnetic orders in Ce(Ru0.9Rh0.1)2(S1-yGey)2, Y. Tabata, Y. Okita, C. Kanadani, T. Taniguchi, S. Kawarazaki, Y. Uwatoko, Physica B-Cond. Mat. 359, pp263-265, 2005 

High-pressure effect on the electrical resistivity in CeNiGe3 and CeNi2Al5, M. Nakashima, K. Tabata, A. Thamizhavel, TC. Kobayashi, M. Hedo, Y. Uwatoko, K. Shimizu, R. Settai, Y. Onuki, Physica B-Cond. Mat. 359, pp266-268, 2005 

Magnetic field and pressure effects in Ce3Al11, T. Ebihara, T. Takahashi, K. Tezuka, M. Hedo, Y. Uwatoko, S. Uji, Physica B-Cond. Mat. 359, pp272-274, 2005

Electrical resistivity, specific heat and magnetic susceptibility of tetragonal CeGe1.66, T. Nakano, M. Hedo, Y. Uwatoko " "Physica B-Cond. Mat. 359, pp284-286 APR 30 2005 Pressure-induced collapse of ferromagnetism in CeSb2, T. Kagayama, Y. Uwatoko, SL. Bud'ko, PC. Canfield, Physica B-Cond. Mat. 359, pp320-322, 2005

Superconductivity and spin gap in the spin-ladder cuprate, Sr2Ca12Cu24O41, N. Fujiwara, N. Mori, Y. Uwatoko, T. Matsumoto, N. Motoyama, S. Uchida, Physica B-Cond. Mat. 359, pp430-432, 2005

Neutron scattering study on magnetism and superconductivity in UGe2, N. Aso, H. Nakane, G. Motoyama, NK. Sato, Y. Uwatoko, T. Takeuchi, Y. Homma, Y. Shlokawa, K. Hirota, Physica B-Cond. Mat. 359, pp1051-1053, 2005 

The development of a high pressure micro-cell for magnetization and specific heat measurements: the effect of pressure on the magnetism in CeAg, Author(s): Y. Uwatoko, T. Fujiwara, M. Hedo, F. Tomioka, I. Umehara, J. Phys.-Cond Mat. 17, pp S1011-S1016, SI, 2005

Pressure effect on competition between charge density wave and superconductivity in ZrTe3: Appearance of pressure-induced reentrant superconductivity, R. Yomo, K. Yamaya, M. Abliz, M. Hedo, Y. Uwatoko, Phys. Rev. B71, Art. No. 132508, 2005

Pressure dependence of the first-order superconducting phase transition in CeCoIn5, T. Tayama, Y. Namai, T. Sakakibara, M. Hedo, Y. Uwatoko, H. Shishido, R. Settai, Y. Onuki, J. Phy. Soc. JAP. 74, pp1115-1118, 2005

Pressure-induced superconductivity in the spin-ladder cuprate, N. Fujiwara, N. Mori, Y. Uwatoko, T. Matsumoto, N. Motoyama, S. Uchida, J.Phys.-Cond. Mat. 17, ppS929-S936, 2005 SI

The development of a high pressure micro-cell for magnetization and specific heat measurements: the effect of pressure on the magnetism in CeAg, Y. Uwatoko, T. Fujiwara, M. Hedo, F. Tomioka, I. Umehara, J.Phys.-Cond. Mat. 17, pp S1011-S1016, 2005 SI

Pressure-induced change in temperature coefficient of electrical resistivity in CeCuAs2, M. Abliz, T. Nakano, EV. Sampathkumaran, J.P. Jemetio, T. Doert, M. Hedo, Y. Uwatoko, J. Phy. Soc. JAP. 74, pp508-510, 2005

2004

P-T phase diagram and gold valence state of new gold mixed-valence complexes, Cs2[(AuIX2)][(AuIIIY4)](X, Y=Cl, Br, I; X ∝ Y), K. Ikeda , Y. Ono, M. Enomoto, N. Kojima, Y. Kobayashi, M. Seto, K. Koyama, Y. Uwatoko, Ceramics-Silikaty 48, pp159-164, 2004

Pressure-induced magnetic quantum phase transition from gapped ground state in TlCuCl3, K. Goto, M. Fujisawa, T. Ono, H. Tanaka, Y. Uwatoko, J. Phy. Soc. JAP. 73, pp3254-3257, 2004 

Heat-capacity anomalies in the presence of high magnetic fields in the spin-chain compound, Ca3CO2O6, EV. Sampathkumaran, Z. Hiroi, S. Rayaprol, Y. Uwatoko, J. Magn. Mag. Mat. 284, ppL7-L11, 2004

High pressure effects on the electrical resistivity behavior of the Kondo lattice, YbPd2Si2, T. Nakano, M. Hedo, Y. Uwatoko, EV. Sampathkumaran, Solid State Commun. 132, pp325-328, 2004

Small saturation moment due to the crystalline electric field effect for T-h site symmetry in the ferromagnet UFe4P12, TD. Matsuda , A. Galatanu, Y. Haga, S. Ikeda, E. Yamamoto, M. Hedo, Y. Uwatoko, T. Takeuchi, K. Sugiyama, K. Kindo, R. Settai, Y. Onuki, J. Phy. Soc. JAP. 73, pp2533-2538, 2004

Magnetic, electrical resistivity, heat-capacity, and thermopower anomalies in CeCuAs2, K. Sengupta, EV. Sampathkumaran, T. Nakano, M. Hedo, M. Abliz, N. Fujiwara, Y. Uwatoko, S. Rayaprol, K. Shigetoh, T. Takabatake,T. Doert, JPF. Jemetio, Phys. Rev. B70, Art. No. 064406, 2004

Magnetic behavior of Co ions in the exotic spin-chain compound Ca3Co2O6 from Co-59NMR studies, EV. Sampathkumaran, N. Fujiwara, S. Rayaprol, PK. Madhu, Y. Uwatoko, Phys. Rev. B70, Art. No. 014437, 2004 "

High-field magnetization and other physical properties of Ce2T3X5 compounds (T = Pd, Rh and Cu; X = Si and A1), Y. Ishii, M. Kosaka, H. Abe, H. Kitazawa, G. Kido, Y. Uwatoko, J. Magn. Mag. Mat.  277, pp60-63, 2004 "

Superconducting properties of new heavy fermion superconductor Ce2CoIn8, M. Hedo, N. Kurita, Y. Uwatoko, G. Chen, S. Ohara, I. Sakamoto, J. Magn. Mag. Mat.  272-76, pp146-147, 2004 SI

Magnetism in single crystal Ce2Fe17 with two types of magnetic ground states, Y. Makihara, Y. Uwatoko, H. Matsuoka, M. Kosaka, H. Fukuda, H. Fujii, J. Magn. Mag. Mat.  272-76, pp551-552, 2004 SI 

The correlation between the phase transition and valence change of the Yb ionic state induced upon pressurization in YbMn2Ge2, T. Fujiwara, Y. Uwatoko, H. Fujii, K. Koyama, M. Motokawa, T. Shigeoka, J. Magn. Mag. Mat.  272-76, pp599-600, 2004 SI 

Mossbauer spectroscopic studies of (Fe1-xRux)2P (x=0 and 0.02), T. Ohki, Y. Uwatoko, H. Fujii, H. Onodera, J. Magn. Mag. Mat.  272-76, pp859-860, 2004 SI

Temperature dependence of electrical resistivity of Co/Cu multilayers at static magnetic field, K. Suenaga, G. Oomi, Y. Uwatoko, T. Sakai, K. Saito, K. Takanashi, H. Fujimori, J. Magn. Mag. Mat.  272-76, pp1231-1232, 2004 SI

Design of micro pressure cell for measurements of specific heat and magnetization, I. Umehara , F. Tomioka, A. Tsuboi, T. Ono, M. Hedo, Y. Uwatoko, J. Magn. Mag. Mat.  272-76, pp2301-2302, 2004 SI

Pressure effects on the Kondo-lattice compound Ce2Pd3Si5, M. Abliz, H. Masato, J. Kitagawa, Y. Uwatoko, M. Ishikawa, Phys. Rev. B69, Art. No. 172406, 2004

High-pressure effect on the electronic state in CeNiGe3: pressure-induced superconductivity, M. Nakashima, K. Tabata, A. Thamizhavel, TC. Kobayashi, M. Hedo, Y. Uwatoko, K. Shimizu, R. Settai, Y. Onuki, J. Phys.-Cond Mat. 16, ppL255-L262, 2004 

Uniaxial-pressure induced ferromagnetism of enhanced paramagnetic Sr3Ru2O7, SI. Ikeda, N. Shirakawa, T. Yanagisawa, Y. Yoshida, S. Koikegami, S. Koike, M. Kosaka, Y. Uwatoko, J. Phy. Soc. JAP. 73, pp1322-1325, 2004 

Anomalous metamagnetic behavior of TbCu2Ge2 single crystal, T. Shigeoka, M. Shiraishi, H. Mitamura, Y. Uwatoko, T. Fujiwara, T. Goto, Physica B-Cond. Mat. 346, pp112-116, 2004

High-field magnetization in NdCu2Ge2 single crystal, T. Shigeoka, K. Hirata, H. Mitamura, Y. Uwatoko, T. Goto, Physica B-Cond. Mat. 346, pp117-121, 2004

High-field ESR measurements of CsCuCl3 under pressure, T. Sakurai, M. Saruhashi, Y. Inagaki, S. Okubo, H. Ohta, H. Tanaka, Y. Uwatoko, Physica B-Cond. Mat. 346, pp221-225, 2004

Superconductivity induced by extremely high pressure in layered organics, β '-(BEDT-TTF)2ICI2, H. Taniguchi, M. Miyashita, K. Uchiyama, K. Satoh, N. Mori, H. Okamoto, K. Miyagawa, K. Kanoda, M. Hedo, Y. Uwatoko, J. de Phys. IV 114, pp273-276, 2004

High-pressure study of a Mott insulator (BEDT-TTF) (TCNQ), M. Miyashita, K. Uchiyama, H. Taniguchi, K. Satoh, Y. Uwatoko, N. Tajima, M. Tamura, R. Kato, J. de Phys. IV 114, pp333-334, 2004

Characterization of transport and magnetic properties of a Mott insulator, β '-(BEDT-TTF)2IBrCI, K. Uchiyama, M. Miyashita, H. Taniguchi, K. Satoh, N. Mori, K. Miyagawa, K. Kanoda, M. Hedo, Y. Uwatoko, J. de Phys. IV 114, pp387-389, 2004

Crystal structure and structural transition caused by charge-transfer phase transition for iron mixed-valence complex (n-C3H7)4N[(FeFeIII)-FeII(dto)3] (dto = C2O2S2), M. Itoi, A. Taira, M. Enomoto, N. Matsushita, N. Kojima, Y. Kobayashi, K. Asai, K. Koyama, T. Nakano, Y. Uwatoko, J. Yamaura, Solid State Commun. 130, pp415-420, 2004

Electrical transport and optical properties of hydrogen-deficient YH2 films, M. Sakai, T. Kontani, O. Nakamura, K. Takeyama, Y. Uwatoko, Y. Obi, K. Takanashi,  Jap. J. Appl. Phys. Part 1 43, pp681-687, 2004

Investigation of the structure of single crystal Sr3Ru2O7 by neutron and convergent beam electron diffractions, R. Kiyanagi, K. Tsuda, N. Aso, H. Kimura, Y. Noda, Y. Yoshida, SI.Ikeda, Y. Uwatoko, J. Phy. Soc. JAP. 73, pp639-642, 2004

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