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News

Our review paper on CeCu2Si2 has been published in Phys. Rev. B 94, 054514 (2016).

Our review paper on heavy-fermion superconductors has been published in Rep. Prog. Phys. 79, 094002 (2016).

Our original paper on UPd2Al3 has been published in Phys. Rev. Lett. 117, 037001 (2016) and was selected for an Editors' suggestion.

Our original paper on URu2Si2 has been published in J. Phys. Soc. Jpn. 85, 033704 (2016) and was selected for an Editors' Choice.

Our original paper on UBe13 has been published in Phys. Rev. Lett. 114, 147002 (2015).

Our original paper on Sr2RuO4 has been published in Phys. Rev. B 90, 220502(R) (2014).

Our original paper on CeCu2Si2 has been published in Phys. Rev. Lett. 112, 067002 (2014).

Our original paper on KFe2As2 has been published in J. Phys. Soc. Jpn. 83, 013704 (2014).

Our original paper on CeRu2 has been published in J. Phys. Soc. Jpn. 82, 123706 (2013).

Our original paper on UPt3 has been published in J. Phys. Soc. Jpn. 82, 024707 (2013) and was selected for an Editors' Choice.

Our original paper on CeIrIn5 has been published in Phys. Rev. B 85, 060505(R) (2012) and was selected for an Editors' suggestion & a Synopsis in Physics.

Our original paper on CeIrIn5 has been accepted for publication in Phys. Rev. B (preprint: arXiv:1111.5388).

Our review article has been published in J. Phys. Soc. Jpn. 81, 011009 (2012).

M2S proceeding has been published in Physica C 470, S728 (2010).

Our original paper has been published in Phys. Rev. B 81, 180510(R) (2010).

I have arrived at Research Associate at ISSP, University of Tokyo.





Curriculum Vitae

Shunichiro Kittaka

Profile

Name
Shunichiro KITTAKA
Gender
Male
Date of Birth
December, 1982
Place of Birth
Okayama pref., Japan
Nationality
Japan

Employment

2010.4 - present
Research Associate at ISSP, University of Tokyo, working with Prof. T. Sakakibara

Education

2001.4 - 2005.3
Undergraduate Student at Faculty of Science, Kyoto University.
2005.4 - 2010.3
Graduate Student at Department of Physics, Graduate School of Science, Kyoto University, supervised by Prof. Y. Maeno.
2008.4 - 2010.3
Japan Society for the Promotion of Science (JSPS) Research Fellow (DC2).

Degree

2005.3
Bachelor of Science (Kyoto Univ., Japan)
2007.3
Master of Science (Kyoto Univ., Japan)
2010.3
Doctor of Science (Kyoto Univ., Japan)

Contact

Address :
Institute for Solid State Physics, University of Tokyo
Kashiwanoha 5-1-5, Kashiwa, Chiba 277-8581, Japan
Tel / Fax :
+81-4-7136-3246
E-mail address :
mail-address



Research

[2010 - present]

[2004 - 2010]




List of Presentations

International Conference

  1. First-order superconducting transition of Sr2RuO4 investigated by magnetization and magnetic torque
    S. Kittaka, A. Kasahara, T. Sakakibara, D. Shibata, S. Yonezawa, Y. Maeno, K. Tenya, and K. Machida
    The 20th International Conference on Magnetism (ICM2015) Th.C.3_O4 Barcelona Spain Jul. 5-10 2015
  2. Gap symmetry of the heavy fermion superconductor CeCu2Si2 revisited: thermodynamic study
    S. Kittaka, Y. Aoki, Y. Shimura, T. Sakakibara, S. Seiro, C. Geibel, F. Steglich, H. Ikeda, Y. Tsutsumi, and K. Machida
  3. Field-orientation dependence of the specific heat of nodal superconductor KFe2As2
    S. Kittaka, Y. Aoki, N. Kase, T. Sakakibara, T. Saito, H. Fukazawa, Y. Kohori, K. Kihou, C. H. Lee, A. Iyo, and H. Eisaki
  4. Singlet-triplet crossover in the two-dimensional dimer spin system YbAl3C3
    S. Kittaka, T. Sugiyama, Y. Shimura, T. Sakakibara, S. Matsuda, and A. Ochiai
  5. Anisotropy of the superconducting properties of UPt3 studied by the specific heat in rotating fields
    S. Kittaka, K. An, T. Sakakibara, Y. Haga, E. Yamamoto, N. Kimura, Y. Onuki and K. Machida
    International Conference on Strongly Correlated Electron Systems 2011 (SCES2011) Poster/126/We Cambridge United Kingdom Aug. 29 - Sep. 3 2011
  6. Uniaxial pressure effect on the superconductivity observed in the Sr3Ru2O7 region of the Sr3Ru2O7-Sr2RuO4 eutectic system
    S. Kittaka, H. Yaguchi, Y. Maeno, R. Fittipaldi, and A. Vecchione
  7. Unusual temperature dependence of in-plane critical field in Sr2RuO4
    S. Kittaka, T. Nakamura, Y. Aono, S. Yonezawa, K. Ishida, and Y. Maeno
    The 25th International Conference on Low Temperature Physics (LT25) PB-Fr139 Amsterdam Netherlands Aug. 6-13 2008
  8. Evidence for the Sr2RuO4 intercalations in the Sr3Ru2O7 region of the Sr3Ru2O7-Sr2RuO4 eutectic system
    S. Kittaka, S. Yonezawa, H. Yaguchi, Y. Maeno, R. Fittipaldi, A. Vecchione, J. -F. Mercure, A. Gibbs, R. S. Perry, and A. P. Mackenzie
    The 25th International Conference on Low Temperature Physics (LT25) PB-Fr140 Amsterdam Netherlands Aug. 6-13 2008

The Physical Society of Japan Meetings

  1. Field-angle-dependent specific heat of Sr2RuO4 at very low temperatures
    S. Kittaka, S. Nakamura, T. Sakakibara, N. Kikugawa, T. Terashima, S. Uji, C, D. Sokolov, A. P. Mackenzie, Y. Tsutsumi, K. Machida
    The Physical Society of Japan 72th Annual Meeting 17aL22-3 Osaka University Sep. 17-20 2017
  2. Specific-heat study of heavy-fermion superconductivity with a precise control of the magnetic-field orientation
    S. Kittaka
    The Physical Society of Japan 72th Annual Meeting 18aH11-2 Osaka University Sep. 17-20 2017
  3. Superconducting gap structures in heavy-fermion compounds probed by specific-heat measurements
    S. Kittaka
    The Physical Society of Japan 72th Annual Meeting 18pH12-6 Osaka University Sep. 17-20 2017
  4. Field-angle-dependent specific heat of a superconductor Zr2Co
    S. Kittaka, T. Sakakibara, M. Kakihana, A. Teruya, M. Hedo, T. Nakama, Y. Onuki
    The Physical Society of Japan 2016 Autumn Meeting 15pPSB-24 Kanazawa University Sep. 13-16 2016
  5. Development of the apparatus to measure the field-angle-resolved specific heat under pressure for the study of superconducting gap structure
    S. Kittaka, K. Matsubayashi, Y. Uwatoko, and T. Sakakibara
    The Physical Society of Japan 71th Annual Meeting 20pPSB-25 Tohoku Gakuin University Mar. 19-22 2016
  6. Low-temperature specific heat of a clean single crystal URu2Si2 under magnetic field
    S. Kittaka, Y. Shimizu, T. Sakakibara, Y. Haga, E. Yamamoto, Y. Onuki, Y. Tsutsumi, and K. Machida
    The Physical Society of Japan 2015 Autumn Meeting 16aDA-2 Kansai University Sep. 16-19 2015
  7. Temperature dependences of the specific heat and the nuclear relaxation rate in heavy-fermion superconductors CeCu2Si2 and UBe13: Evaluation of multiband full-gap superconductivity
    S. Kittaka, Y. Tsutsumi, Y. Shimizu, T. Sakakibara, H. Ikeda, and K. Machida
    The Physical Society of Japan 70th Annual Meeting 21aBB-2 Waseda University Mar. 21-24 2015
  8. Field-orientation dependence of the specific heat of non-centrosymmetric superconductor CePt3Si
    S. Kittaka, Y. Kono, T. Sakakibara, and E. Bauer
    The Physical Society of Japan 2014 Autumn Meeting 7pBK-1 Chubu University Sep. 7-10 2014
  9. Development of the apparatus to measure the low-temperature specific heat under uniaxial pressure and its application to CeCoIn5
    S. Kittaka, T. Sakakibara, and M. Yokoyama
    The Physical Society of Japan 2014 Autumn Meeting 8aPS-35 Chubu University Sep. 7-10 2014
  10. Superconducting gap structure and anomalous normal state of UBe13 investigated by specific-heat measurements in magnetic fields
    S. Kittaka, Y. Shimizu, T. Sakakibara, H. Amitsuka, Y. Haga, E. Yamamoto, Y. Tsutsumi, and K. Machida
    The Physical Society of Japan 69th Annual Meeting 29pBE-5 Tokai University Mar. 27-30 2014
  11. Heavy-fermion superconductivity in CeCu2Si2 investigated by low-temperature magnetization and specific-heat measurements
    S. Kittaka, Y. Aoki, Y. Shimura, T. Sakakibara, S. Seiro, C. Geibel, F. Steglich, H. Ikeda, and K. Machida
    The Physical Society of Japan 2013 Autumn Meeting 28aKQ-6 Tokushima University Sep. 25-28 2013
  12. Identification of the superconducting gap symmetry of CeCu2Si2
    S. Kittaka, Y. Aoki, Y. Shimura, T. Sakakibara, S. Seiro, C. Geibel, F. Steglich, H. Ikeda, and K. Machida
    The Physical Society of Japan 68th Annual Meeting 29aXB-1 Hiroshima University Mar. 26-29 2013
  13. Gap structure of anisotropic s-wave superconductor CeRu2 probed by the specific heat measurements in rotating magnetic fields
    S. Kittaka, T. Sakakibara, M. Hedo, and Y. Onuki
    The Physical Society of Japan 2012 Autumn Meeting 19aFF-2 Yokohama National University Sep. 18-21 2012
  14. Low-temperature specific heat of a heavy-fermion superconductor CeRu2 in magnetic fields
    S. Kittaka, T. Sakakibara, M. Hedo, and Y. Onuki
    The Physical Society of Japan 67th Annual Meeting 24pPSB-37 Kwansei Gakuin University Mar. 24-27 2012
  15. Superconducting gap structure of CeIrIn5 probed by the specific heat measurements in rotating magnetic fields
    S. Kittaka, Y. Aoki, T. Sakakibara, A. Sakai, S. Nakatsuji, Y. Tsutsumi, and K. Machida
    The Physical Society of Japan 2011 Autumn Meeting Toyama University 21pGD-3
  16. Dependence of the specific heat of UPt3 on the magnetic-field direction
    S. Kittaka, K. An, T. Sakakibara, Y. Haga, E. Yamamoto, N. Kimura, Y. Onuki, and K. Machida
    The Physical Society of Japan 66th Annual Meeting Niigata University 25aEC-1
  17. Low temperature magnetization of spin gap system YbAl3C3
    S. Kittaka, Y. Shimura, T. Sakakibara, S. Matsuda, and A. Ochiai
    The Physical Society of Japan 2010 Autumn Meeting Osaka Prefecture University 23aXP-2
  18. Uniaxial pressure effect on multiple superconducting transitions in the Sr3Ru2O7-Sr2RuO4 eutectic system
    S. Kittaka, H. Yaguchi, Y. Maeno, R. Fittipaldi, and A. Vecchione
    The Physical Society of Japan 64th Annual Meeting Iwate University 23aQC-2
  19. Accurate and precise examination of the dependence of the upper critical field in Sr2RuO4 on the magnetic-field direction
    S. Kittaka, T. Nakamujra, Y.Aono, S. Yonezawa, K. Ishida, and Y. Maeno
    The Physical Society of Japan 2008 Autumn Meeting Rikkyo University 29pTL-2
  20. Field-Temperature phase diagram of the superconductivity observed in the Sr3Ru2O7 region of Sr2RuO4-Sr3Ru2O7 eutectic crystals
    S. Kittaka, H. Yaguchi, Y. Maeno, R. Fittipaldi, and A. Vecchione
    The Physical Society of Japan 2007 Spring Meeting Kagoshima University 19pWF-4
  21. Superconducting proximity effects in eutectic systems containing Sr2RuO4
    S. Kittaka, S. Kusaba, H. Yaguchi, S. Yonezawa, Y. Maeno, R. Fittipaldi, and A. Vecchione
    The Physical Society of Japan 2006 Autumn Meeting Chiba University 24pZL-3
  22. Weak superconductivity observed in Sr3Ru2O7 regions of Sr2RuO4-Sr3Ru2O7 eutectic system
    S. Kittaka, S. Fusanobori, H. Yaguchi, S. Yonezawa, Y. Maeno, R. Fittipaldi, and A. Vecchione
    The Physical Society of Japan 61st Annual Meeting Ehime University, Matsuyama University 27aTC-3



List of Publications

Original papers

  1. Fully gapped superconductivity with no sign change in the prototypical heavy-fermion CeCu2Si2
    T. Yamashita, T. Takenaka, Y. Tokiwa, J. A. Wilcox, Y. Mizukami, D. Terazawa, Y. Kasahara, S. Kittaka, T. Sakakibara, M. Konczykowski, S. Seiro, H. S. Jeevan, C. Geibel, C. Putzke, T. Onishi, H. Ikeda, A. Carrington, T. Shibauchi, and Y. Matsuda
    submitted
    (preprint: arXiv:1703.02800)
  2. Thermodynamic Investigation of Metamagnetic Transitions and Partial Disorder in the Quasi-Kagome Kondo Lattice CePdAl
    Kenji Mochidzuki, Yusei Shimizu, Akihiro Kondo, Shota Nakamura, Shunichiro Kittaka, Yohei Kono, Toshiro Sakakibara, Yoichi Ikeda, Yosikazu Isikawa, and Koichi Kindo
    (preprint: arXiv:1611.07679)
  3. Structural, Magnetic, and Superconducting Properties of Caged Compounds ROs2Zn20 (R = La, Ce, Pr, and Nd)
    Kazuhei Wakiya, Takahiro Onimaru, Keisuke T. Matsumoto, Yu Yamane, Naohiro Nagasawa, Kazunori Umeo, Shunichiro Kittaka, Toshiro Sakakibara, Yoshitaka Matsushita, and Toshiro Takabatake
  4. Magnetic properties of the S=1/2 honeycomb lattice antiferromagnet 2-Cl-3,6-F2-V
    Toshiki Okabe, Hironori Yamaguchi, Shunichiro Kittaka, Toshiro Sakakibara, Toshio Ono, and Yuko Hosokoshi
  5. Thermodynamic study of gap structure and pair-breaking effect by magnetic field in the heavy-fermion superconductor CeCu2Si2
    Shunichiro Kittaka, Yuya Aoki, Yasuyuki Shimura, Toshiro Sakakibara, Silvia Seiro, Christoph Geibel, Frank Steglich, Yasumasa Tsutsumi, Hiroaki Ikeda, and Kazushige Machida
    (preprint: arXiv:1608.00680)
  6. Quadrupole-Driven Non-Fermi Liquid and Magnetic-Field Induced Heavy Fermion States in a Non-Kramers Doublet System
    T. Onimaru, K. Izawa, K. T. Matsumoto, T. Yoshida, Y. Machida, T. Ikeura, K. Wakiya, K. Umeo, S. Kittaka, K. Araki, T. Sakakibara, T. Takabatake
    (preprint: arXiv:1606.09571)
  7. Omni-directional measurements of angle-resolved heat capacity for complete detection of superconducting gap structure in the heavy-fermion antiferromagnet UPd2Al3
    Yusei Shimizu, Shunichiro Kittaka, Toshiro Sakakibara, Yasumasa Tsutsumi, Takuya Nomoto, Hiroaki Ikeda, Kazushige Machida, Yoshiya Homma, and Dai Aoki
    This paper was selected for an Editors' suggestion.
  8. Quadrupole Order in the Frustrated Pyrochlore Tb2+xTi2-xO7+y
    H. Takatsu, S. Onoda, S. Kittaka, A. Kasahara, Y. Kono, T. Sakakibara, Y. Kato, B. Fâk, J. Ollivier, J. W. Lynn, T. Taniguchi, M. Wakita, H. Kadowaki
    (preprint: arXiv:1506.04545)
    ** Press release [here] **
  9. Unconventional S=2 alternating chain realized by a metal-radical hybrid-spin approach
    H. Yamaguchi, Y. Shinpuku, Y. Kono, S. Kittaka, T. Sakakibara, M. Hagiwara, T. Kawakami, K. Iwase, T. Ono, and Y. Hosokoshi
    (preprint: arXiv:1503.05633)
  10. Possible observation of highly itinerant quantum magnetic monopoles in the frustrated pyrochlore Yb2Ti2O7
    Y. Tokiwa, T. Yamashita, M. Udagawa, S. Kittaka, T. Sakakibara, D. Terazawa, Y. Shimoyama, T. Terashima, Y. Yasui, T. Shibauchi, and Y. Matsuda
    (preprint: arXiv:1504.02199)
  11. Evidence for chiral d-wave superconductivity in URu2Si2 from the field-angle variation of its specific heat
    Shunichiro Kittaka, Yusei Shimizu, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Yasumasa Tsutsumi, Takuya Nomoto, Hiroaki Ikeda, and Kazushige Machida
    (preprint: arXiv:1511.06060)
    This paper was selected for an Editors' Choice. You can download it freely (OPEN SELECT).
  12. Experimental Realization of a Quantum Pentagonal Lattice
    H. Yamaguchi, T. Okubo, S. Kittaka, T. Sakakibara, K. Araki, K. Iwase, N. Amaya, T. Ono, and Y. Hosokoshi
    ** Press release [here] **
  13. First-order ferromagnetic transition of quantum spin ice system Yb2Ti2O7
    Yukio Yasui, Noriaki Hamachi, Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara
  14. Field-Orientation Dependence of Low-Energy Quasiparticle Excitations in the Heavy-Electron Superconductor UBe13
    Yusei Shimizu, Shunichiro Kittaka, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Hiroshi Amitsuka, Yasumasa Tsutsumi, and Kazushige Machida
    (preprint: arXiv:1411.1504)
  15. Quantum phase near the saturation field in the S=1/2 frustrated spin ladder
    H. Yamaguchi, H. Miyagai, Y. Kono, S. Kittaka, T. Sakakibara, K. Iwase, T. Ono, T. Shimokawa, and Y. Hosokoshi
  16. S=1/2 ferromagnetic-antiferromagnetic alternating Heisenberg chain in a zinc-verdazyl complex
    Hironori Yamaguchi, Yasuhiro Shinpuku, Tokuro Shimokawa, Kenji Iwase, Toshio Ono, Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara, and Yuko Hosokoshi
  17. Sharp Magnetization Jump at the First-Order Superconducting Transition in Sr2RuO4
    Shunichiro Kittaka, Akira Kasahara, Toshiro Sakakibara, Daisuke Shibata, Shingo Yonezawa, Yoshiteru Maeno, Kenichi Tenya, and Kazushige Machida
    (preprint: arXiv:1410.0798)
  18. Spin-Chirality-Driven Ferroelectricity on a Perfect Triangular Lattice Antiferromagnet
    H. Mitamura, R. Watanuki, K. Kaneko, N. Onozaki, Y. Amou, S. Kittaka, R. Kobayashi, Y. Shimura, I. Yamamoto, K. Suzuki, S. Chi, and T. Sakakibara
    ** Press release [here] **
  19. Field-induced incommensurate phase in the strong-rung spin ladder with ferromagnetic legs
    H. Yamaguchi, H. Miyagai, M. Yoshida, M. Takigawa, K. Iwase, T. Ono, N. Kase, K. Araki, S. Kittaka, T. Sakakibara, T. Shimokawa, T. Okubo, K. Okunishi, A. Matsuo, and Y. Hosokoshi
    (preprint: arXiv:1406.2231)
  20. Measurement of the spin-orbit coupling in superconducting Sr2RuO4 using polarized light and spin-resolved photoemission spectroscopy: Evidence for a breakdown in the singlets and triplets pairing mechanisms
    C. N. Veenstra, Z.-H. Zhu, M. Raichle, B. M. Ludbrook, A. Nicolaou, B. Slomski, G. Landolt, S. Kittaka, Y. Maeno, J. H. Dil, I. S. Elfimov, M. W. Haverkort, and A. Damascelli
    (preprint: arXiv:1303.5444)
  21. Fine-Tuning of Magnetic Interactions in Organic Spin Ladders
    Hironori Yamaguchi, Hirotsugu Miyagai, Tokuro Shimokawa, Kenji Iwase, Toshio Ono, Yohei Kono, Naoki Kase, Koji Araki, Shunichiro Kittaka, Toshiro Sakakibara, Takashi Kawakami, Kouichi Okunishi, and Yuko Hosokoshi
    (preprint: arXiv:1402.2743)
  22. Multiband superconductivity with unexpected deficiency of nodal quasiparticles in CeCu2Si2
    Shunichiro Kittaka, Yuya Aoki, Yasuyuki Shimura, Toshiro Sakakibara, Silvia Seiro, Christoph Geibel, Frank Steglich, Hiroaki Ikeda, and Kazushige Machida
    (preprint: arXiv:1307.3499)
  23. Thermodynamic study of nodal structure and multiband superconductivity of KFe2As2
    Shunichiro Kittaka, Yuya Aoki, Naoki Kase, Toshiro Sakakibara, Taku Saito, Hideto Fukazawa, Yoh Kohori, Kunihiro Kihou, Chul Ho Lee, Akira Iyo, Hiroshi Eisaki, Kazuhiko Deguchi, Noriaki K. Sato, Yasumasa Tsutsumi, and Kazushige Machida
    (preprint: arXiv:1312.2660)
    This paper is OPEN SELECT. You can download it freely.
  24. Quasi-one-dimensional S=1/2 Heisenberg antiferromagnetic chain consisting of the organic radical p-Br-V
    Kenji Iwase, Hironori Yamaguchi, Toshio Ono, Yuko Hosokoshi, Tokuro Shimokawa, Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara, Akira Matsuo, and Koichi Kindo
  25. Various regimes of quantum behavior in an S=1/2 Heisenberg antiferromagnetic chain with fourfold periodicity
    H. Yamaguchi, T. Okubo, K. Iwase, T. Ono, Y. Kono, S. Kittaka, T. Sakakibara, A. Matsuo, K. Kindo, and Y. Hosokoshi
    (preprint: arXiv:1311.4763)
  26. Verification of anisotropic s-wave superconducting gap structure in CeRu2 from low-temperature field-angle-resolved specific heat measurements
    Shunichiro Kittaka, Toshiro Sakakibara, Masato Hedo, Yoshichika Ōnuki, and Kazushige Machida
    (preprint: arXiv:1311.4050)
    This paper is OPEN SELECT. You can download it freely.
  27. Unconventional magnetic and thermodynamic properties of S = 1/2 spin ladder with ferromagnetic legs
    H. Yamaguchi, K. Iwase, T. Ono, T. Shimokawa, H. Nakano, Y. Shimura, N. Kase, S. Kittaka, T. Sakakibara, T. Kawakami, and Y. Hosokoshi
  28. Determining the Surface-To-Bulk Progression in the Normal-State Electronic Structure of Sr2RuO4 by Angle-Resolved Photoemission and Density Functional Theory
    C. N. Veenstra, Z.-H. Zhu, B. Ludbrook, M. Capsoni, G. Levy, A. Nicolaou, J. A. Rosen, R. Comin, S. Kittaka, Y. Maeno, I. S. Elfimov and A. Damascelli
    (preprint: arXiv:1205.4248)
  29. Anomalous Field-Angle Dependence of the Specific Heat of Heavy-Fermion Superconductor UPt3
    Shunichiro Kittaka, Koji An, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Noriaki Kimura, Yoshichika Onuki, and Kazushige Machida
    (preprint: arXiv:1212.3038)
    This paper was selected for an Editors' Choice.
  30. Simultaneous superconducting and antiferroquadrupolar transitions in PrRh2Zn20
    T. Onimaru, N. Nagasawa, K. T. Matsumoto, K. Wakiya, K. Umeo, S. Kittaka, T. Sakakibara, Y. Matsushita, and T. Takabatake
    (preprint: arXiv:1211.3183)
  31. Superconducting gap structure of CeIrIn5 from field-angle-resolved measurements of its specific heat
    Shunichiro Kittaka, Yuya Aoki, Toshiro Sakakibara, Akito Sakai, Satoru Nakatsuji, Yasumasa Tsutsumi, Masanori Ichioka and Kazushige Machida
    (preprint: arXiv:1111.5388)
    This paper was selected for an Editors' suggestion & a Synopsis in Physics.
  32. Higher-Tc superconducting phase in Sr2RuO4 induced by uniaxial pressure
    Shunichiro Kittaka, Haruka Taniguchi, Shingo Yonezawa, Hiroshi Yaguchi, and Yoshiteru Maeno
    (preprint: arXiv:1004.3705)
  33. Angular dependence of the upper critical field of Sr2RuO4
    S. Kittaka, T. Nakamura, Y. Aono, S. Yonezawa, K. Ishida, and Y. Maeno
    (preprint: arXiv:0906.2513)
  34. Large Enhancement of 3-K Phase Superconductivity in the Sr2RuO4-Ru Eutectic System by Uniaxial Pressure
    Shunichiro Kittaka, Hiroshi Yaguchi, and Yoshiteru Maeno
    (preprint: arXiv:0906.2514)
  35. Atomic structure of functional interfaces in Sr2RuO4/Sr3Ru2O7 eutectic crystals
    R. Ciancio, J. Börjesson, H. Pettersson, S. Lopatin, R. Fittipaldi, A. Vecchione, S. Kittaka, Y. Maeno, S. Pace, and E. Olsson
  36. Towards intrinsic functionalities of bilayered ruthenate Sr3Ru2O7
    R. Ciancio, J. Börjesson, H. Pettersson, R. Fittipaldi, D. Zola, A. Vecchione, M. Polichetti, S. Kittaka, Y. Maeno, S. Pace, and E. Olsson
  37. Spatial Development of Superconductivity in the Sr2RuO4-Ru Eutectic System
    Shunichiro Kittaka, Taketomo Nakamura, Hiroshi Yaguchi, Shingo Yonezawa, and Yoshiteru Maeno
    (preprint: arXiv:0905.2009)
  38. Superconductivity in Sr2RuO4-Sr3Ru2O7 eutectic crystals
    R. Fittipaldi, A. Vecchione, R. Ciancio, S. Pace, M. Cuoco, D. Stornaiuolo, D. Born, F. Tafuri, E. Olsson, S. Kittaka, H. Yaguchi, and Y. Maeno
    (preprint: arXiv:0712.1847)
  39. Multiple superconducting transitions in the Sr3Ru2O7 region of Sr3Ru2O7-Sr2RuO4 eutectic crystals
    S. Kittaka, S. Fusanobori, S. Yonezawa, H. Yaguchi, Y. Maeno, R. Fittipaldi, and A. Vecchione

Review paper

  1. Angle-resolved heat capacity of heavy fermion superconductors
    Toshiro Sakakibara, Shunichiro Kittaka, and Kazushige Machida
    Invited paper in a special issue on Strongly Correlated Electron Systems.
  2. Evaluation of Spin-Triplet Superconductivity in Sr2RuO4
    Yoshiteru Maeno, Shunichiro Kittaka, Takuji Nomura, Shingo Yonezawa, Kenji Ishida
    (preprint: arXiv:1112.1620)
    JPSJ Special Topics. You can download it freely.

Proceedings

  1. Thermodynamic properties of quadrupolar states in the frustrated pyrochlore magnet Tb2Ti2O7
    H. Takatsu, T. Taniguchi, S. Kittaka, T. Sakakibara, and H. Kadowaki
    (preprint: arXiv:1704.07119)
  2. Nodal gap structure of the heavy-fermion superconductor URu2Si2 revealed by field-angle-dependent specific-heat measurements
    Shunichiro Kittaka, Yusei Shimizu, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Yoshichika Onuki, Yasumasa Tsutsumi, Takuya Nomoto, Hiroaki Ikeda, and Kazushige Machida
  3. Comparison with Ground States of Frustrated Quantum Spin Chain Systems A2Cu2Mo3O12 (A=Rb and Cs)
    Akio Fujimura, Yukio Yasui, Yudai Yanagisawa, Ichiro Terasaki, Yohei Kono, Shunichiro Kittaka, and Toshiro Sakakibara
  4. Ferromagnetic ordered phase of quantum spin ice system Yb2Ti2O7 under [001] magnetic field
    N. Hamachi, Y. Yasui, K. Araki, S. Kittaka, and T. Sakakibara
  5. Quadrupole order in the frustrated pyrochlore magnet Tb2Ti2O7
    H. Takatsu, T. Taniguchi, S. Kittaka, T. Sakakibara, and H. Kadowaki
    (preprint: arXiv:1602.01806)
  6. First-order superconducting transition of Sr2RuO4 investigated by magnetization and magnetic torque
    Shunichiro Kittaka, Akira Kasahara, Toshiro Sakakibara, Daisuke Shibata, Shingo Yonezawa, Yoshiteru Maeno, Kenichi Tenya, and Kazushige Machida
  7. Heat capacity measurements on UBe13 in rotated magnetic fields: anisotropic response in the normal state and the absence of nodal quasiparticles
    Yusei Shimizu, Shunichiro Kittaka, Toshiro Sakakibara, Yoshinori Haga, Etsuji Yamamoto, Hiroshi Amitsuka, Yasumasa Tsutsumi, and Kazushige Machida
  8. Field-induced phase transitions and magnetoferroelectricity in the perfect triangular lattice antiferromagnet RbFe(MoO4)2 in a vertical magnetic field
    Hiroyuki Mitamura, Ryuta Watanuki, Norimichi Onozaki, Yuta Amou, Yohei Kono, Shunichiro Kittaka, Yasuyuki Shimura, Isao Yamamoto, Kazuya Suzuki, and Toshiro Sakakibara
  9. Low temperature magnetic properties of a new quasi-one-dimensional organic magnet α-2-Cl-4-F-V
    Yohei Kono, Shunichiro Kittaka, Toshiro Sakakibara, Hironori Yamaguchi, and Yuko Hosokoshi
  10. Antiferromagnetic transition of the caged compound TmTi2Al20
    Naoki Kase, Yasuyuki Shimura, Shunichiro Kittaka, Toshiro Sakakibara, Satoru Nakatsuji, Tomohito Nakano, Naoya Takeda, and Jun Akimitsu
  11. Anisotropic superconductivity of the caged compound Y5Rh6Sn18 with unusual normal-state electrical resistivity
    Naoki Kase, Shunichiro Kittaka, Toshiro Sakakibara, and Jun Akimitsu
  12. Singlet-triplet crossover in the two-dimensional dimer spin system YbAl3C3
    Shunichiro Kittaka, Tomoyoshi Sugiyama, Yasuyuki Shimura, Toshiro Sakakibara, Saori Matsuda, and Akira Ochiai
    (preprint: arXiv:1307.3494)
  13. Searching for the in-plane anisotropy of the specific heat of UPt3 in rotating fields
    S. Kittaka, K. An, T. Sakakibara, Y. Haga, E. Yamamoto, N. Kimura, Y. Onuki, and K. Machida
  14. Probing Spin Chirality of the Equilateral Triangular-Lattice Antiferromagnet RbFe(MoO4)2 through Multiferroicity
    H. Mitamura, R. Watanuki, N. Onozaki, Y. Shimura, S. Kittaka, T. Sakakibara, and K. Suzuki
  15. Field-temperature phase diagram of superconductivity in Sr2RuO4-Ru under out-of-plane uniaxial pressure
    H. Taniguchi, S Kittaka, S. Yonezawa, H. Yaguchi, and Y. Maeno
  16. Field dependence of the specific heat in a heavy-fermion superconductor CeIrIn5
    Yuya Aoki, Shunichiro Kittaka, Toshiro Sakakibara, Akito Sakai, Satoru Nakatsuji, Yasumasa Tsutsumi , Masanori Ichioka, and Kazushige Machida
  17. Superconducting Gap Structure of the Cage Compound Sc5Rh6Sn18
    Naoki Kase, Shunichiro Kittaka, Toshiro Sakakibara, and Jun Akimitsu
  18. Nonmagnetic ground states and phase transitions in the caged compounds PrT2Zn20 (T = Ru, Rh and Ir)
    T. Onimaru, K. T. Matsumoto, N. Nagasawa, Y. F. Inoue, K. Umeo, R. Tamura, K. Nishimoto, S. Kittaka, T. Sakakibara and T. Takabatake
  19. Uniaxial pressure effect on the superconductivity in the Sr3Ru2O7 region of the Sr3Ru2O7-Sr2RuO4 eutectic system
    S. Kittaka, H. Yaguchi, Y. Maeno, R. Fittipaldi, and A. Vecchione
  20. Enhancement of interfacial superconductivity in the eutectic system Sr2RuO4-Ru by uniaxial pressure
    H. Yaguchi, S. Kittaka, and Y. Maeno
  21. Evidence for the Sr2RuO4 intercalations in the Sr3Ru2O7 region of the Sr3Ru2O7-Sr2RuO4 eutectic system
    S. Kittaka, S. Yonezawa, H. Yaguchi, Y. Maeno, R. Fittipaldi, A. Vecchione, J. -F. Mercure, A. Gibbs, R. S. Perry, and A. P. Mackenzie
    (preprint: arXiv:0808.0434)
  22. Unusual temperature dependence of the in-plane critical field in Sr2RuO4
    S. Kittaka, T. Nakamura, Y. Aono, S. Yonezawa, K. Ishida, and Y. Maeno
  23. Superconducting behaviour via percolation in Sr2RuO4-Sr3Ru2O7 eutectic crystals
    R. Fittipaldi, M. Cuoco, V. Granata, C. Noce, S. Pace, D. Stornaiuolo, D. Born, F. Tafuri, S. Kittaka, Y. Maeno, and A. Vecchione
  24. Structure, morphology and composition of superconducting Sr2RuO4-Sr3Ru2O7 eutectic crystals
    R. Fittipaldi, S. Fusanobori, S. Kittaka, H. Yaguchi, J. Hooper, A. Vecchione, and Y. Maeno
  25. AC susceptibility of Sr2RuO4-Sr3Ru2O7 eutectics: Dependence on AC field strength and frequency
    S. Fusanobori, S. Kittaka, H. Yaguchi, R. Fittipaldi, A. Vecchione, and Y. Maeno