Research Group:

Earth and Planetary Science Group

Research Area:

Beamline:

Overview of Research Group, Goals and Purposes:

Many studies on physical properties of deep Earth materials have been done using high-pressure apparatuses, such as multi-anvil press and laser-heated diamond-anvil cell, at SPring-8. Important results have also been reported from studies on extraterrestrial materials (meteorites, cosmic dusts, asteroid samples returned by the Hayabusa explorer). In these studies, samples under high-pressure and high-temperature or very small-scale samples have been analyzed based on X-ray diffraction, radiography, tomography, or fluorescence measurements. Recently, application of new analytical techniques, such as X-ray Raman scattering, inelastic scattering, emission spectroscopy, Mössbauer spectroscopy, have provided us new information about physical properties of the Earth's and planetary materials under the extreme conditions. Therefore, synchrotron X-ray at SPring-8 is the necessary tool on the cutting edge of the recent Earth and planetary sciences.

Based on the present circumstances described above, objectives of the "Earth and planetary science group" are the following.

1. To promote the discussion of the latest scientific results and related synchrotron techniques for current and potential SPring-8 users in the field of the Earth and planetary sciences.
2. To promote the discussion about the future vision of Earth and planetary sciences using SPring-8 synchrotron, including technical requirements to related beam lines, and to organize a working group to investigate new sciences and techniques toward the next generation SPring-8.
3. To introduce new experimental systems and software for the potential users in the Earth and planetary science field, and to inform the status of related experimental equipments.

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