Liquid dynamics at metal-nonmetal transition-Attempt at description of the phase transition through fluctuations-
Project/Area Number |
20740223
|
Research Category |
Grant-in-Aid for Young Scientists (B)
|
Allocation Type | Single-year Grants |
Research Field |
Mathematical physics/Fundamental condensed matter physics
|
Research Institution | Hiroshima University |
Principal Investigator |
KAJIHARA Yukio Hiroshima University, 大学院・総合科学研究科, 助教 (20402654)
|
Project Period (FY) |
2008 – 2010
|
Project Status |
Completed (Fiscal Year 2010)
|
Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
|
Keywords | 不規則系 / 液体金属 / 相転移 / ゆらぎ / 非弾性X線散乱 / X線小角散乱 / 金属-非金属転位 / ダイナミクス / X線非弾性散乱 / 金属-非金属転移 |
Research Abstract |
We measured liquid dynamics at metal-nonmetal transition region and discussed the relation between the dynamic and the fluctuations derived from the transition. The experimental methods are inelastic x-ray scattering and small-angle x-ray scattering measurements ; the sample systems are liquid Se-Te mixtures, that are representative metal-nonmetal transition system and supercritical fluid water, which is as a standard system that the relation between fluctuations and liquid-gas transition is already known. These measurements revealed two common features in the transition region : density fluctuations and "fast sound" phenomena.
|
Report
(4 results)
Research Products
(32 results)