Title: Exploring of metastable phases in the system Fe-Lu-O
Conclusion:
-I discovered two metastable phases in the system Fe-Lu-O under the simulated micro gravity of an Aero Acoustic Levitator.
-In annealing process, the metastable phases transformed to the garnet by way of the perovskite.
-One of the metastable phases O1 is stable in oxidative atmosphere, another metastable phase O2 is stable in reduction atmosphere, and their chemical composition are solid solution. -The formation of metastable phases results primarily from variable valence of Fe. (Fe2+, Fe3+)

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>>abstract (PDF 4.72MB, Japanese only)

I had the opportunity to handle following many experimental apparatus. They all are at Japan Aerospace Exploration Agency (JAXA)

-Aero Acoustic Levitator: AAL , movie 1 , movie 2 , movie.mov
-X-ray Diffractometer: XRD
-Scanning Electron Microscope
-Vibrating Sample Magnetometer
-High Speed Videocamera: movie
-Pyrometer
-Image furnace

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Physics : Exercise: dynamics of systems of particles, central forces and celestial mechanics, electromagnetism, Optics and wave phenomena, thermodynamics, modern physics, Instructor: Sasabe K.
Physics : Experiment: kinematics, elastic body and fluid, thermal phenomena, oscillation and sound, electromagnetism, magnetic property, Instructor: Mori H.
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Electromagnetism I : Coulomb's law, Gauss' law, Stokes's theorem, charge polarization, Kirchhoff's laws, textbook: Hyodo T., Denjikigaku, Shoukabo. Instructor: K. Sekihara.
Heat transfer : steady, unsteady heat conduction, convective heat transfer, forced-convection heat transfer, heat transfer by natural convection, heat transfer involving phase change, textbook: J. P. Holman, Heat Transfer, Trans. Hirata, K., Instructor: Shiratori, T.
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Graduation Thesis : Exploring of metastable phases in the system Fe-Lu-O