Research Center for Structural Thermodynamics, Graduate School of Science, Osaka University

[Overview]

This apparatus enables us to measure the accurate heat capacities of samples in the temperature range of 5-400 K. Since it adopts adiabatic calorimetry, it is available to the detection of first-order phase transition and glass transition.

[Specification]
Temperature range: 5-400 K
Sample mass: >30 mg
Sample state: Solid, liquid

[Research]
Heat Capacity and Phase Transition of the Ni(II) Complex [Ni^II(en)₃](ox)
Reference: http://www.chem.sci.osaka-u.ac.jp/lab/micro/report/rcst/2013/2013res01.html.ja

[Overview]

This apparatus enables us to measure the heat capacities of small amounts of samples in the temperature range of 0.4-400 K under magnetic field. Since it adopts relaxation calorimetry, it is unsuitable for the detection of first-order phase transition.

[Specification]
Temperature range: 0.4-400 K
Magnetic field range: 0-9 T
Sample mass: > 1 mg
Sample state: Solid, liquid

[Research]
Heat capacity and magnetic phase transition of the metal-assembled complex [M^II(pyrazole)₄]₂[Nb^IV(CN)₈] ·4H₂O
Reference: http://www.chem.sci.osaka-u.ac.jp/lab/micro/report/rcst/2012/2012res01.html.ja

[Overview]

Precisely and non-invasively measures small thermal activities of living organisms, continuously for a long period beyond a week under stable background less than 10 nW. Suitable for measuring thermal activities of cell proliferation, early development of animals and plants under various conditions.

[Specification]
Temperature range: 20-30 ℃
For example, able to measure thermal dissipation of a single fruit fly egg.

[Research]
Temperature-independent energy expenditure in early development of the African clawed frog Xenopus laevis Xenopus laevis:
Reference: Physical Biology, 2014, 11, 046008

[Overview]

Precisely measures heats of combustion of materials, which are composed of C, H, O, N（Au, Pt, I）elements by burning small amount of sample, typically 3 mg. It is necessary to confirm complete combustion to get reliable thermodynamic quantities and recommended to repeat experiments for 6 times to evaluate sdm.

[Specification]
Energy equivalent of the calorimeter: （67.8330 ± 0.0024）J K^-1

[Research]
High-precision micro-combustion calorimetry of anthracene
Reference: J. Chem. Thermodynamics, 2001, 33, 377-387

[Overview]

This system can measure a temperature dependence of heat capacity by a relaxation method with temperature range of 0.6-10 K under magnetic fields up to 15T.

[Specification]
Temperature range: 0.6-10 K
Minimum sample amount: 100-300 μg
Sample configuration: Solid

[Research]
Thermodynamic Evidence of d-Wave Superconductivity of the Organic Superconductor λ-(BETS)₂GaCl₄
Reference: J. Phys. Soc. Jpn. 85(4), 043705 (2016) (4 pages) (Editors’ Choice).

[Overview]

This system is composed of a relaxation calorimeter, a 7 T superconducting split-magnet and a Hall effect devices. This system is suitable for the angle-resolved heat capacity measurement.

[Specification]
Temperature range: 0.6-10 K
Minimum sample amount: 1 mg
Sample state: Solid

[Research]
in preparation

[Overview]

This calorimeter can measure heat capacity under pressure up to 2 GPa with temperature range between 2 K to 10 K with low temperature set up and 20 K to 200 K with high temperature set up by AC method. This system also can be attached with 15 T superconducting magnet.

[Specification]
Temperature range: 2-200 K
Sample amount: 1 mg
Sample state: Solid

[Research]
Thermal anomaly around the superconductive transition of κ-(BEDT-TTF)₂Cu(NCS)₂ with external pressure and magnetic field control
Reference: J. Therm. Anal. Calorim. 123(3), 1891?1897 (2016)

[Overview]

This equipment enables us to perform thermogravimetry and differential thermal analysis of samples simultaneously. It is suitable for the study of thermal decomposition reaction.

[Specification]
Temperature range: Room Temperature-1100 ℃
Temperature rate: 1-999 ℃ min^-1
Sample state: Solid

[Research]
in preparation

[Overview]

This is a heat-flux type of differential scanning calorimeter. It is available to the detection of first-order phase transition.

[Specification]
Temperature range: Room Temperature-750 ℃
Temperature rate: 1-100 ℃ min^-1
Sample state: Solid, liquid

[Research]
in preparation

[Overview]

This system can measure thermal conductivity for the molecular crystal. The measurement temperature range with low temperature set up is 0.8 K to 10 K and up to 100 K with high temperature set up. Typical crystal length for measurement is around 1 mm. This system can be used in a superconducting magnet.

[Specification]
Temperature range: 0.8-100 K
Sample amount: 0.2-1 mm
Sample state: Solid

[Research]
in preparation

[Overview]

This instrument is able to fabricate organic layers to an accuracy of sub-monomolecular layer. The solution of the target molecule is pulse injected onto the substrate as follows. The substrate is set in a chamber held in a vacuum. Next, the solution is introduced into the chamber as the mists of hundreds nm in diameter.

[Specification]
Temperature: room temperature
Vacuum: 3 ✕ 10^-3 Pa
Sample state: Diluted solution

[Research]
AFM observation of the supramolecular polymers placed on the graphite substrate via a pulse valve
Reference: http://www.chem.sci.osaka-u.ac.jp/lab/micro/report/rcst/2013/2013res08.html.en

[Overview]

The scanning probe microscopy (SPM) offers a wide range of application from surface topography to a wide variety of nanoscale surface property measurements operated under high-vacuum conditions.

[Specification]
Temperature: -100-300 ℃
Vacuum：1 × 10^－5 Pa
Sample size: 25mmφ

[Research]
AFM Study of the Surface Crystallization for 10,12-Pentacosadiyn-1-ol on a Graphite Surface
Reference: http://www.chem.sci.osaka-u.ac.jp/lab/micro/report/rcst/2016/index.html.en

[Overview]

Sample magnetization is measured by the unsheathe procedure in the temperature range of 5-400 K under a ceiling dc field of 1.0 T. Ac susceptibility is also available under oscillating field of 0.1 Hz-10 kHz. Usually a polycrystalline sample is put in a gelatin capsule to be mounted, but polycarbonate capsules and quartz tubes are ready for use instead.

[Specification]
Temp. range: 2-400 K
Sample amount: ~10 mg
Sample state: powder

[Research]
Structural Switching from Paramagnetic to Single-Molecule Magnet Behaviour of LnZn₂ Trinuclear Complexes
Reference: Dalton Trans. 44, 18038-18048 (2015).

[Overview]

This system can measure I-V, Q-V character of solid samples with frequency range of 0.1-1000 Hz and amplitude up to 10 V. For the temperature dependence measurements, another temperature control system will be required.

[Specification]
Temperature: RT (normal setup)
Sample size: 200 μm
Sample state: Solid

high/low temperature and high voltage measurements system can be attached

[Research]
in preparation