| 학회 |
한국화학공학회 |
| 학술대회 |
2016년 가을 (10/19 ~ 10/21, 대전컨벤션센터) |
| 권호 |
22권 2호, p.2069 |
| 발표분야 |
열역학 |
| 제목 |
Structural analysis of neutron powder diffraction pattern of clathrate hydrates |
| 초록 |
Clathrate hydrate is a sort of nonstoichiometic crystalline solids which are stabilized by various interactions between the hydrophobic guest molecules and the hydrogen-bonded water cluster. The crystal structures of a DClO4 hydrate depending on temperature were identified by the direct space method and Rietveld refinement of the neutron powder diffraction patterns. A phase transition causing a position change of vacancy sites in host framework was observed at about 180 K and this transition is considered to result in weakened host proton-anion interactions and to induce a change of proton conduction behavior of the DClO4 hydrate. The present findings provide a good explanation of the proton dynamics in the host framework of the hydrogen fluoride-free acid clathrate hydrates. |
| 저자 |
신규철1, 차민준2, 이원희3, 이 흔4
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| 소속 |
1경북대, 2강원대, 3한국에너지기술(연), 4KAIST |
| 키워드 |
열역학 |
| E-Mail |
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| 원문파일 |
초록 보기 |
