HIRAI Hisako

Last updated: May 22, 2009 at 00:00
HIRAI Hisako
Former Institution / Organization University of Tsukuba Graduate School of Life and Environmental Sciences
Job title
Assistant Professor
Ph.D(University of Tsukuba)

Research Areas



Changes in vibration modes of hydrogen and water molecules and in lattice parameters with pressure for filled-ice hydrogen hydrates
Phys. Chem. C   111 312-315   2007
Raman spectra of methane hydrate up to 86 GPa
Phys. Chem. Minerals   34 31-35   2007
High-pressure behavior of melanophologite, an SiO2 clathrate, observed by usig various pressure media.
Phys Rev. B   75 174115   2007
A new high-pressure structure of methane hydrate surviving to 86 GPa and its implications for the interiors of giant planets.
Physics of the Earth and Planetary Interiors   155 170-176   2006
Structural changes of gas hydrates and stability of a filled ice structure of methane hydrate above 42 GPa
J. Phys. Chem. Solid   65 1555-1559   2004

Books etc

Electron energy-loss spectroscopy and its applications to characterization of carbon materials
Carbon Alloys. Edited by Yasuda, E. Carbon Alloys. Edited by Yasuda, E. Elsevier Science, New York   2003   


physical properties of gas hydrates undr high pressuer
2005 - 2006
physical properties of gas hydrates under high pressure
2004 - 2005

Research Grants & Projects

Phase changes of gas hydrates and their implication of internal structures oficy planets and satellites
Project Year: 1997   
Phase changes of hydrogen hydrate and development of techniques using gas hydrates
Project Year: 2002   
Synthesis of new material under high-pressure and high-temperature
Project Year: 1980