抄録
In the gravity field on the earth, the phase separation with different density phases is affected by the gravitational force. Especially phase separation from fluids, for example, nucleation, solidification, and liquid-liquid or liquid-gas phase separation with critical phenomena, are disturbed by the convection flow caused by the gravity. In previous microgravity experiments using a soumding rocket, abnormal behavior of the electrical resistance near the critical point of the Bi-Ga liquid alloy has been found. On the other hand, in order to grasp an atomic scale phase separation from the liquid phase, structural analysis experiments using neutron rays and X-rays is indispensable. In this study, we tried to observe the structure of the liquid Bi-Ga alloy by using an X-ray diffraction with the laser heating and gas floating. Measuring the scattering intensity X-ray irradiation to the liquid Bi-Ga alloy, it was determined the structure factor as a first step for the understanding of the characteristic behavior of the electrical resistance from the scattering intensity.
