国際会議発表2006-2015

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International Conference On High Pressure Science And Technology (Joint AIRAPT-25 & EHPRG-53) Madrid, Spain, 8.30-9.4, 2015.

Improved AC-calorimeter for measuring the absolute value of specific heat up to 10 GPa (poster)
K. Umeo

20th Intern. Conf. on Magnetism Barcelona, Spain, Jul,5-10, 2015

Mo.A-P64 - Superconducting and quadrupolar properties of a dilute praseodymium system Y_1-xPr_xIr₂Zn₂₀ for x < 0.1 (poster)
Y. Yamane, K. Wakiya, K. Matsumoto, T. Onimaru, K. Umeo, T. Takabatake

TU.B-P19 - Break-Junction tunneling spectroscopy of Kondo semiconductors CeT₂Al₁₀ (T = Fe, Os) (poster)
J. Kawabata, Y. Yamada, T. Takabatake, Y. Sakai, A. Sugimoto, T. Ekino, Y. Muro

TU.B-P49 - Magnetic, transport, and structural properties of caged compounds ROs₂Zn₂₀ (R=La-Nd) (poster)
K. Wakiya, K. T. Matsumoto, N. Nagasawa, T. Onimaru, K. Umeo, T. Takabatake

TU.C-P13 - Non-fermi liquid behaviors in PrIr₂Zn₂₀: Effect of Ga substitution (poster)
T. Onimaru, K. Uenisi, K.T. Matsumoto, K. Wakiya, K. Umeo, T. Takabatake

TH.B-P04 - Anisotropic thermopower of the antiferromagnetic kondo semiconductor CeOs₂Al₁₀ doped with 5d electrons and holes (poster)
T. Takabatake, Y. Yamada, J. Kawabata, T. Onimaru, Y. Muro

34th Annual International Conference on Thermoelectrics (ICT 2015) and 13th European Conference on Thermoelectrics (ECT 2015), Dresden, Germany, 6.28-7.2, 2015.

Phonon‐glass behavior in thermoelectric tetrahedrite (oral)
T. Takabatake, K. Suekuni, T. I. Tanaka, K. Umeo

Synthetic colusite Cu₂₆V₂Sn₆S₃₂: high‐performance thermoelectric mineral (oral)
K. Suekuni, F. S. Kim, H. Nishiate, M. Ohta, H. I. Tanaka, T. Takabatake

MRS Fall Meeting 2014, Boston, USA, Dec. 2, 2014.

Intermetallic clathrates based on Ba-Ga-Sn as for bulk thermoelectric materials without toxic elements (invited)
T. Takabatake

The International Conference on Strongly Correlated Electron Systems (SCES2014) July 7 - July 11, 2014 Grenoble, France

Magnetic field induced quantum critical phenomena in a non- Kramers doublet system PrIr₂Zn₂₀ (oral)
T. Onimaru, T. K. Matsumoto, K. Umeo, S. Kittaka, T. Sakakibara, T. Takabatake

Superconducting properties of Pr_1-xLa_xIr₂Zn₂₀ (poster)
K. Matsumoto, T. Onimaru, Y. Obayashi, K. Umeo, T. Takabatake

Low-energy optical phonon modes in caged compounds RT₂Zn₂₀ (R: rare earth, T: transition metal) (poster)
K. Wakiya, T. Onimaru, S. Tsutsui, K. T. Matsumoto, N. Nagasawa, T. Takabatake, A. Q. R. Baron, T. Hasegawa, N. Ogita, M. Udagawa

Pressure induced heavy-fermion state in a caged superconductor PrIr₂Zn₂₀ (poster)
K. Umeo, Y. Sugano, K. T. Matsumoto, T. Onimaru, K. Matsubayashi, Y. Uwatoko, T. Takabatake

Suppression of hybridization gap and antiferromagnetic order by electron- and hole-doping in the Kondo semiconductor CeOs₂Al₁₀ (poster)
J. Kawabata, Y. Yamada, K. Umeo, Y. Muro, T. Takabatake

Phonon-glass electron-crystal thermoelectric clathrates (Invited)
T. Takabatake, K. Suekuni, T. Nakayama, E. Kaneshita

The 33rd International Conference on Thermoelectrics (ICT2014) July 6 - July 10, 2014 Nashville, Tennessee, USA

Crystal growth of thermoelectric type-VIII clathrate Ba₈Ga₁₆Sn₃₀ by the vertical Bridgman method
Y. X. Chen, K. Niitani, J. Izumi, K. Suekuni and T. Takabatake

Carrier Doping Effect on the Thermoelectric Properties of Synthetic Colusites
K. Suekuni, F. S. Kim, H. I. Tanaka, M. Ohta, A. Yamamoto, and T. Takabatake

DIGIST global innovation festival, EXCO, Daegu, Korea, Nov. 22, 2013.

Thermoelectric Clathrate Compounds (Invited)
T. Takabatake

The international Conference on Strongly Correlated Electron Systems (SCES2013) Ito International Research Center Conference, The University of Tokyo, Tokyo, Japan, Aug. 5-9, 2013

Superconducting and antiferroquadrupolar transitions in isoelectronic caged compounds PrT2Zn20 (T=Co, Rh, and Ir) (oral)
T. Onimaru, K. T. Matsumoto, N. Nagasawa, K. Wakiya, Y. Obayashi, Y. Shimada, Y. F. Inoue, K. Umeo, S. Kittaka, T. Sakakibara, Y. Karaki, M. Kubota, Y. Matsushita, T. Takabatake

Superconducting and antiferro-quadrupole transitions in Pr1-xLaxIr2Zn20 (poster)
K. T. Matsumoto, T. Onimaru, Y. Obayashi, N. Nagasawa, K. Wakiya, K. Umeo, T. Takabatake

Transition from a Kondo semiconducting antiferromagnet to a heavy-fermion antiferromagnet in Ce(Os1-xIrx)2Al10 (poster)
J. Kawabata, K. Yutani, K. Umeo, T. Takabatake, Y. Muro

Release of the magnetic frustration in a quasi-Kagome antiferromagnet YbAgGe by Au Substitution (poster)
K. Umeo, H. Kubo, T. Onimaru, K. Katoh, N. Aso, T. Takabatake

Suppression of superconductivity in PrRh2Zn20 by Co substitution (poster)
Y. Shimada, N. Nagasawa, K. T. Matsumoto, T. Onimaru, K. Umeo, T. Takabatake

Inelastic X-ray scattering study of phonon properties in caged compounds PrT2Zn20 (T=Ru and Ir) (poster)
K. Wakiya, T. Onimaru, S. Tsutsui, N. Nagasawa, K. T. Matsumoto, T. Takabatake, A. Q. R. Baron, T. Hasegawa, N. Ogita, M. Udagawa

The 32nd International Conference on Thermoelectrics (ICT2013) Kobe International Conference Center, Kobe, Japan, Jun,30-Jul,4, 2013

Crystal growth of p- and n-type Ba8Ga16Sn30with the type-VIII clathrate structure by the vertical Bridgman-Stockbarger method (poster)
K. Niitani, J. Izumi, Y. Chen, Y. Saiga, and T. Takabatake

The effects of In substitution for Ga on the transport andthermoelectric properties of type-VIII clathrate Ba8Ga16Sn30 single crystals (poster)
Y-X. Chen, B-L. Du, K. Kajisa, and T. Takabatake

Tetrahedrite Cu12-xNixSb4S13: High-Performance thermoelectric Sulfosalt Mineral (Oral)
K. Suekuni, K. Tsuruta, M. Kunii, H. Nishiate, E. Nishibori, S. Maki, M. Ohta, A. Yamamoto, and M. Koyano

Japan-France Seminar: Physics and control of clustering crystals Awaji Island, Hyogo, Japan, Nov,5-7, 2012

Off-center rattling of guest ions and phonon-glass behavior in intermetallic clathrates(Invited talk)
T. Takabatake

Intern. Symp. on Physics and Chemistry of Novel Superconductors and Related Okayama, Japan, Oct,1-3, 2012

Unusual magnetic order in highly coordinated Ce and Eu compounds
(Invited talk)
T. Takabatake

19th Intern. Conf. on Magnetism Busan, Korea, Jul,8-13, 2012

Superconducting, antiferroquadrupolar, and structural transitions in caged compounds PrT₂Zn₂₀ (T=Ru, Rh, and Ir)(Invited talk)
T. Onimaru, K. T. Matsumoto, N. Nagasawa, Y. F. Inoue, K. Umeo, T. Sakakibara, Y. Karaki, M. Kubota, T. Takabatake

Pressure effect on the structural and superconducting transitions in a caged compound PrRh₂Zn₂₀(Poster)
Y. Sugano, T. Ohsuka, K. Umeo, N. Nagasawa, T. Onimaru, T. Takabatake

Antiferromagnetic order in Yb₅Rh₄Ge₁₀(Poster)
K. Umeo, K. Katoh, T. Takabatake

Pressure effect on the electrical resistivity of a ferromagnetic clathrate Eu₈Ga₁₆Ge₃₀(Poster)
T. Iizuka, K. Umeo, M. A. Avila, T. Takabatake

Quadrupolar ordering in a caged compound PrOs₂Zn₂₀(Poster)
K. Wakiya, N. Nagasawa, K. T. Matsumoto, T. Onimaru, K. Umeo, T. Takabatake

31th Intern. & 10th European Conf. on Thermoelectrics Aalborg, Denmark, Jul,9-12, 2012

Recent advances in Ba-Ga-Sn based thermoelectric clathrates(基調講演)
T. Takabatake

International Conference on Strongly Correlated Electron Systems 2011(SCES2011) Cambridge, 英国, Aug,29-Sep,3, 2011

Fe Substitution Effect on the Phase Transition and Hybridization gap in CeOs₂Al₁₀(Poster)
Y. Muro, K. Yutani, J. Kajino, T. Takabatake

NonmagneticΓ3 Doublet Ground State in a Caged Compound PrRh₂Zn₂₀(Poster)
N. Nagasawa, T. Onimaru, K. Matsumoto, K. Umeo, T. Takabatake

Pressure Effect on the Structural, Superconducting and Antiferroquadrupolar Transitions of Caged Compounds RIr₂Zn₂₀ (R = La, Pr)(Poster)
T. Ohsuka, K. Umeo, N. Nagasawa, K. Matsumoto, T. Onimaru, T. Takabatake

Coexistence of Antiferroquadrupole Order and Superconductivity in a Caged Compound PrIr₂Zn₂₀(Invited talk)
T. Onimaru, K. Matsumoto, Y. F. Inoue, K. Umeo, Y. Karaki, M. Kubota, T. Sakakibara, T. Takabatake

Crystal- Field Effect on Anisotropic Magnetic Properties of CeT₂Al₁₀ (T = Ru and Os)(Poster)
K. Yutani, J. Kajino, Y. Muro, T. J. Sato, T. Takabatake

Pressure Effect on the Ferromagnetism of an Off-Center Rattling System Eu₈Ga₁₆Ge₃₀(Poster)
K. Umeo, H. Yamane, M. Avila, T. Onimaru, T. Takabatake

3rd International Conference on Ceramics Grand Cube Osaka, 大阪府, 2010年11月18日-20日

Tellurium-free thermoelectric module based on a clathrate compound Ba₈Ga₁₆Sn₃₀ with p-and n-type carriers
広島大学 大学院先端物質科学研究科, 山口大学、株式会社KELK、産業技術総合研究所、株式会社デ・塔\ー
高畠敏郎，才賀裕太，S. K. Deng，末國晃一郎，山本淳，岸本剛，長瀬和夫，小原春彦，上野和夫，小柳剛，赤井光治，河野欣，田口隆志，大矢信之,福田克史

International Conference on Heavy Electrons 2010 首都大学東京, 東京都, 2010年9月17日-20日

Off-center rattling in thermoelectric clathrates
広島大学 大学院先端物質科学研究科
高畠敏郎

11th Japanese- German Symposium, New quantum states and phenomena in condensed matter 廿日市市, 広島県, 2010年9月13日-15日

Off-center rattling and phonon-glass behavior in single crystalline Ba₈Ga₁₆Sn₃₀
広島大学 大学院先端物質科学研究科
高畠敏郎

2010 International Conference on Strongly Correlated Electron Systems (SCES 2010) Santa Fe Convention Center, Santa Fe, New Mexico, USA, June,27-Jul,2, 2010.

Metamagnetic anomaly in a hidden ordered state of CeOs₂Al₁₀
Y. Muro, J. Kajino, K. Umeo, T. Takabatake

Magnetic order in a heavy fermion state of Yb²⁺_1-xTm_xB₆
F. Iga, K. Fukuta, S. Michimura, T. Onimaru, H. Tanida, M. Sera, Y. Takahashi, K. Umeo, T. Takabatake

Superconductivity, heavy-fermion behavior, and structural phase transitions in caged compounds RT₂Zn₂₀ (R=La, Pr, T=Ru, Ir)
T. Onimaru, K. T. Matsumoto, Y. F Inoue, K. Umeo, Y. Saiga, Y. Matsushita, R. Tamura, K. Nishimoto, I. Ishi, T. Suzuki, T. Takabatake

29th International Conference on Thermoelectrics Shanghai, China, May,30-June,1, 2010.

Thermoelectric clathrates with off-center rattling ions
広島大学 大学院先端物質科学研究科
高畠敏郎

International Conference on Quantum Criticality and Novel Phases 2009, Dresden, Germany, Aug. 5, 2009.

Pressure-induced Quantum Critical Phenomena in YbNiGe₃ (Poster)
K. Umeo, H. Hosogi, M. A. Avila, T. Takabatake

Ferromagnetic Instability in a Doped Band-Gap Semiconductor FeGa₃ (Poster)
T. Takabatake, Y. Hadano, S. Narazu, T. Onimaru, K. Umeo, M. A. Avila

International Conference on Magnetism 2009, Karlsruhe, Germany, Jul. 26-30, 2009.

Stabilization of Ferromagnetism in an Off-Center Rattling System Eu₈Ga₁₆Ge₃₀ by Si Substitution (Poster)
T. Onimaru, S. Yamamoto, M. A. Avila, K. Suekuni, T. Takabatake

Sinusoidally Modulated Magnetic Structure of a Kondo Lattice Compound CePd₅Al₂ (Poster)
Y. F. Inoue, T. Onimaru, A. Ishida, T. Takabatake, Y. Oohara, D. T. Adroja, A. D. Hillier, E. A. Goremychkin

Semiconducting Behavior in CeT₂Al₁₀ (T=Fe and Ru) (Poster)
Y. Muro, K. Motoya, T. Takabatake

Frustrated Antifferomagnet YbAgGe under Magnetic Fields and Pressure (Poster)
H. Kubo, K. Umeo, K. Katoh, A. Ochiai, T. Takabatake

Pressure-induced Transition from a Canted Antiferromagnetic State to a Ferromagnetic State in YbRhSb (Poster)
K. Umeo, H. Yamane, H. Kubo, Y. Muro, T. Takabatake

Anisotropic Magnetoresistance and Collapse of the Energy Gap in Yb_1-xLu_xB₁₂ (0≦x≦0.25) (Poster)
F. Iga, K. Suga, K. Takeda, S. Michimura, K. Murakami, T. Takabatake, K. Kindo

Croatian-Japanese Workshop on Materials Science, Zagreb, Croatia, Jun. 30, 2009. (Invited)

Thermoelectric Clathrates with Off-center Rattling Ions
T. Takabatake

27th International Conference on Thermoelectrics, Oregon, United States of America, Aug. 3-7, 2008. (Oral).

Structure and thermoelectric properties of n- and p-type β-Ba₈Ga₁₆Sn₃₀
K. Suekuni, M. A. Avila, K. Umeo, H. Fukuoka, S. Yamanaka, T. Nakagawa, and T. Takabatake

27th International Conference on Thermoelectrics, Oregon, United States of America, Jun. 3-7, 2008. (Oral).

Thermal conductivity and guest vibration in cage-size controlled Ba₈In₁₆Ge_30-xM_x (M = Si, Sn)
K. Suekuni, S. Yamamoato, M. A. Avila, and T. Takabatake

A study by control of cage size and charge carriers, 9th Japanese-German Symposium - Collective quantum phenomenon in strongly correlated electron systems: electronic instabilities, dimensionality effects, and novel phases-, Hikone, Japan, Aug. 26-29, 2006. (Oral)

Reduced thermal conductivity in clathrates A₈Ga₁₆X₃₀ (A=Sr, Ba; X=Si, Ge, Sn)
T. Takabatake

International conference on magnetism, Kyoto, Japan, Aug. 20-25, 2006. (Oral)

Roles of spin fluctuations and rattling in thermoelectric properties of AT₄Sb₁₂ (A=Ca, Sr, Ba, La and T=Fe, Ru, Os)
T. Takabatake

25th International conference on thermoelectrics, Vienna, Austria, Aug. 6-10, 2006. (Invited)

Thermoelectricity in carrier-controlled clathrates A₈Ga₁₆X₃₀ (A=Sr, Ba; X=Ge, Sn)
T. Takabatake

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