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The 36th International Conference on Thermoelectrics (ICT2017)
Pasadena, CA, USA, 7.31-8.3, 2017.

Carrier Density Tuning in Cu2CoTi3S8 by Oxidative Extraction of Cu (poster)
K. Hashikuni, K. Suekuni, K. Watanabe, Y. Bouyrie, M. Ohta, M. Ohtaki,
and T. Takabatake

International Conference on Strongly Correlated Electron Systems, SCES2017
Clarion Congress Hotel in Prague (2017.7.17-21)

Roles of hybridization in the unusual antiferromagnetic order
in Kondo semiconductors CeT2Al10 (T = Ru and Os) (oral)
T. Takabatake, J. Kawabata, K. Hayashi, T. Takeuchi, Y. Yamada,
Y. Okada, K. Umeo, T. Ekino, A. Sugimoto, Y. Muro
Impurity quadrupole Kondo ground state in a dilute Pr system Y1-xPrxIr2Zn20 (poster)
Y. Yamane, T. Onimaru, K. Uenishi, K. Wakiya, K. T. Matsumoto, K. Umeo,
and T. Takabatake
Competing magnetic interactions in a Kramers-doublet system NdIr2Zn20 (poster)
T. Onimaru, Y. Yamane, R. J. Yamada, K. Uenishi, K. Wakiya, K. T. Matsumoto, K. Umeo, and T. Takabatake
Effect of Zn-site substitution on non-Fermi liquid behavior in PrIr2Zn20 (poster)
R. J. Yamada, T. Onimaru, K. Uenishi, Y. Yamane, K. Wakiya, K. T. Mastumoto, K. Umeo, T. Takabatake
Ferromagnetism in hexagonal RRh3 (R = Pr, Nd) and superconductivity in dimorphic LaRh3 (poster)
G. B. Park, Y. Yamane, T. Onimaru, K. Umeo, T. Takabatake

Korean Physical Society Spring Meeting 2017
Daejeon, KOREA, April 19-21 (20), 2017

Antiferromagnetic Ordering in Kondo Semiconductors CeT2Al10 (T=Ru, Os)
T. Takabatake (Invited)

The 35th International Conference on Thermoelectrics (ICT2016) and
1st Asian Conference on Thermoelectrics (ACT2016),
Wuhan, China, 5.29-6.2, 2016.

Cu2MTi3S8 thiospinels: environmentally benign n-type thermoelectric materials (poster)
K. Hashikuni, K. Suekuni, H. Nishiate, M. Ohta, T. Takabatake

The International Conference on Strongly Correlated Electron Systems (SCES2016) May 8 - 13, 2016 Hangzou, China

Dilution and Doping Effects on the Antiferromagnetic Kondo Semiconductor CeOs2Al10 (oral)
T. Takabatake, Y. Okada, J. Kawabata, Y. Yamada, K. Hayashi, T. Ekino, Y. Muro
Tu-P010 Development of in-gap states in the antiferromagnetic Kondo semiconductor CeOs2Al10 by doping of 5d electrons and holes (poster)
J. Kawabata, T. Ekino, Y. Yamada, A. Sugimoto, Y. Muro, T. Takabatake
Tu-P011 Uniaxial pressure effects on the unusual antiferromagnetic transition in the Kondo semiconductor CeOs2Al10 (poster)
K. Hayahsi, K. Umeo, Y. Yamada, J. Kawabata, Y. Muro, T. Takabatake
Tu-P032 Uniaxial-pressure effect on the magnetic frustration in the Yb based triangular lattice antiferromagnet YbCuGe (poster)
K. Umeo, D. Watanabe, K. Araki, K. Katoh, T. Takabatake
Tu-P039 Evolution of a magnetic order in the quasi-kagome lattice system CeRh1-xPdxSn (poster)
C. L. Yang, K. Umeo, T. Takabatake

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 Y1-xPrxIr2Zn20 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 Pr1-xLaxIr2Zn20 (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(Šî’²u‰‰)
T. Takabatake

International Conference on Strongly Correlated Electron Systems 2011(SCES2011)
Cambridge, ‰p‘, 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
Nonmagneticƒ¡3 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, ‘åã•{, 2010”N11ŒŽ18“ú-20“ú

Tellurium-free thermoelectric module based on a clathrate compound Ba8Ga16Sn30 with p-and n-type carriers
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International Conference on Heavy Electrons 2010
Žñ“s‘åŠw“Œ‹ž, “Œ‹ž“s, 2010”N9ŒŽ17“ú-20“ú

Off-center rattling in thermoelectric clathrates
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11th Japanese- German Symposium, New quantum states and phenomena in condensed matter
“ù“úŽsŽs, L“‡Œ§, 2010”N9ŒŽ13“ú-15“ú

Off-center rattling and phonon-glass behavior in single crystalline Ba8Ga16Sn30
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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-xTmxB6
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
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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 Yb1-xLuxB12 (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 ƒÀ-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 Ba8In16Ge30-xMx (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