Development of quasi-adiabatic specific heat measurement under high magnetic field using CBT sensor

2013 Fiscal Year Final Research Report

• Project/Area Number: 23540392
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Condensed matter physics II
• Research Institution: Kyushu University
• Principal Investigator: INAGAKI Yuji 九州大学, 工学(系)研究科(研究院), 助教 (10335458)
• Co-Investigator(Kenkyū-buntansha): KAWAE Tatsuya 九州大学, 工学研究院, 准教授 (30253503)
• Project Period (FY): 2011 – 2013
• Keywords: ＣＢＴセンサー / 強磁場 / 極低温 / 断熱法比熱

Research Abstract

Aim of the present study is to develop the system of the quasi-adiabatic specific heat measurement under high magnetic field using Coulomb Blockade thermometer (CBT) sensor, which is a primary thermometer based on the change of electric conductance of tunnel junction arrays, because the full width of the differential conductance depends only on the temperature of the sensor. The sensor can be also used as a secondary sensor by recording the amplitude at zero bias using Loch-in amplifier. This allow us to measure the temperature quick enough to perform the specific heat measurement. Installing the CBT sensor to the system, we repeated the test and improvement. Finally we could achieve the demanded level for the ordinary adiabatic method.

Research Products

• [Journal Article] Unusual Magnetic Ordering Observed in Nanosized S = 1/2 Quantum Spin System (CH3) 2NH2CuCl 3 (2014)
  • Author(s): Yuji Inagaki, Yasutaka Sakamoto, Hiroki Morodomi, Tatsuya Kawae, Yasuo Yoshida, Takayuki Asano, Kohei Hosoi, Hirokazu Kobayashi, Hiroshi Kitagawa, Yoshitami Ajiro, and Yuji Furukawa
  • Journal Title: J. Phys. Soc. Jpn Volume: 83 Pages: 054716
  • DOI: 10.7566/JPSJ.83.054716
  • Peer Reviewed
• [Journal Article] SQUID磁束計用3Heインサートの開発 (2014)
  • Author(s): 佐藤由昌, 蓮尾斎彦, 稲垣祐次, 河江達也
  • Journal Title: 固体物理 Volume: Vol574-12(In press)
  • Peer Reviewed
• [Journal Article] Magnetic Properties of 1 : 2 Mixed Cobalt(II) Salicylaldehyde Schiff-Base Complexes with Pyridine Ligands Carrying High-Spin Carbenes (Scar = 2/2, 4/2, 6/2, and 8/2) in Dilute Frozen Solutions : Role of Organic Spin in Heterospin Single-Molecule Magnets (2014)
  • Author(s): Satoru Karasawa, Kimihiro Nakano, Daisuke Yoshihara, Noriko Yamamoto, Jun-ichi Tanokashira, Takahito Yoshizaki, Yuji Inagaki, and Noboru Koga
  • Journal Title: Inorg. Chem Volume: (In press)
  • Peer Reviewed
• [Journal Article] Development of a Low-Temperature Insert for Precise Magnetization Measurement below T = 2K with a Superconducting Quantum Interference Device Magnetometer (2013)
  • Author(s): Yoshiaki Sato, Shun Makiyama, Yasutaka Sakamoto, Tadahiko Hasuo, Yuji Inagaki, Tetsuya Fujiwara, Hiroyuki S. Suzuki, Kazuyuki Matsubayashi, Yoshiya Uwatoko, and Tatsuya Kawae
  • Journal Title: Jpn. J. Appl. Phys Volume: 52 Pages: 106702
  • DOI: 10.7567/JJAP.52.106702
  • Peer Reviewed
• [Journal Article] Nonlinear Susceptibility Measurement for Quadrupolar Response in a Dilute Γ3 Non-Kramers Doublet System Pr0 : 05La0 : 95Pb3 (2013)
  • Author(s): Tatsuya KAWAE_, Mikito KOGA, Yoshiaki SATO, Shun MAKIYAMA, Yuji INAGAKI, Naoyuki TATEIWA, Tetsuya FUJIWARA, Hiroyuki S. SUZUKI, and Tetsuo KITAI
  • Journal Title: J. Phys. Soc. Jpn Volume: 82 Pages: 73701
  • DOI: 10.7566/JPSJ.82.073701
  • Peer Reviewed
• [Journal Article] Metal-insulator transition sustained by Cr-doping in V2O3 nanocrystals (2012)
  • Author(s): Y. Ishiwata, T. Shiraishi, T. Shiraishi, N. Ito, S. Suehiro, T. Kida, H. Ishii, Y. Tezuka, Y. Inagaki, T. Kawae, H. Oosato, E. Watanabe, D. Tsuya, M. Nantoh, K. Ishibashi
  • Journal Title: Applied Physics Letters Volume: 100 Pages: 043103
  • DOI: 10.1063/1.3679396
  • Peer Reviewed
• [Journal Article] Spontaneous uniaxial strain and disappearance of the metal -insulator transition in monodisperse V2O3 nanocrystals (2012)
  • Author(s): Y. Ishiwata, S. Suehiro, T. Kida, H. Ishii, Y. Tezuka, H. Oosato, E. Watanabe, D. Tsuya, Y. Inagaki, T. Kawae, M. Nantoh and K. Ishibashi
  • Journal Title: Physical Review. B Volume: 86 Pages: 035449, 1-4
  • DOI: 10.1103/PhysRevB.86.035449
  • Peer Reviewed
• [Journal Article] Zero-bias anomaly in ferromagnetic Ni nanoconstrictions (2012)
  • Author(s): K. Ienaga, N. Nakashima, Y. Inagaki, H. Tsujii, S. Honda, T. Kimura and T. Kawae
  • Journal Title: Physical Review. B Volume: 86 Pages: 064404
  • DOI: 10.1103/PhysRevB.86.064404
  • Peer Reviewed
• [Journal Article] Study of ferromagnetic transition in Pd nanometer-scale constrictions using a mechanically controllable break junction technique (2012)
  • Author(s): K. Ienaga, N. Nakashima, Y. Inagaki, H. Tsujii, T. Kimura and T. Kawae
  • Journal Title: Applied Physics Letters Volume: 101 Pages: 123114
  • DOI: 10.1063/1.4754565
  • Peer Reviewed
• [Journal Article] Preparations, Crystal Structures, and Magnetic Properties of N, N-Dipyridylaminaxyl as a New Magnetic Coupler and Its One-Dimensional Cobalt(II) Chains (2012)
  • Author(s): Kensuke Murashima, Takeaki Watanabe, Shinji Kanegawa, Daisuke Yoshihara, Yuji Inagaki, Satoru Karasawa and Noboru Koga
  • Journal Title: Inorg. Chem Volume: 51 Pages: 4982-4993
  • DOI: 10.1021/ic202397m
  • Peer Reviewed
• [Journal Article] Low-Temperature Magnetization Study of Spin Gap System (CH3)2NH2CuCl3 with Nonometer Particle Size (2012)
  • Author(s): Yasutaka Sakamoto, Hiroki Morodomi, Yuji Inagaki, Tatsuya Kawae, Takayuki Asano and Yoshitami Ajiro
  • Journal Title: Journal of Physics : Conference Series Volume: 400 Pages: 32077-32080
  • Peer Reviewed
• [Journal Article] Magnetic Ordering and Tunable Structural Phase Transition in the Chromic Compound CuMoO4 (2011)
  • Author(s): Takayuki Asano, Taizo Nishimura, Shuta Ichimura, Yuji Inagaki, Tatsuya Kawae, Toshiya Fukui, Yasuo Narumi, Koichi Kindo, Toshimitsu Ito, Sara Haravifard, Bruce D. Gaulin
  • Journal Title: Journal of the Physical Society of Japan Volume: 80, No.9 Pages: 093708, 1-4
  • DOI: 10.1143/JPSJ.80.093708
  • Peer Reviewed
• [Journal Article] Coexistence of singlet and ordered S=1/2 moments in the ground state of the triclinic quantum magnet CuMoO4 (2011)
  • Author(s): S. Haravifard, K. Fritsch, T. Asano, J. P. Clancy, Z. Yamani, G. Ehlers, T. Nishimura, Y. Inagaki, T. Kawae, I. Swainson, and B. D. Gaulin
  • Journal Title: Physical Review. B Volume: 84 Pages: 094436, 1-7
  • DOI: 10.1103/PhysRevB.84.094436
  • Peer Reviewed
• [Presentation] Ac Calorimetry under Pulsed High Magnetic Field (2012)
  • Author(s): Yuji Inagaki
  • Organizer: The 19th International Conference on Magnetism (ICM) with Strongly Correlated Electron System (SCES)
  • Place of Presentation: Busan, Korea
  • Year and Date: 20120700
• [Presentation] Low-Temperature Magnetization Study of Spin Gap System (CH3) 2NH2CuCl 3 with Nanometer Particle Size (2011)
  • Author(s): Yuji Inagaki
  • Organizer: 26th International Conference on Low Temperature Physics
  • Place of Presentation: Beijing, China
  • Year and Date: 20110810-17
• [Remarks]
  • URL: http://www.qpn.kyushu-u.ac.jp/lab10/index3.html