id:"swepub:oai:DiVA.org:umu-11413"
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02459naa a2200325 4500 | |
| 001 | oai:DiVA.org:umu-11413 | |
| 003 | SwePub | |
| 008 | 090101s2008 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-114132 URI |
| 024 | 7 | a https://doi.org/10.1063/1.30397602 DOI |
| 040 | a (SwePub)umu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Andersson, Oveu Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)ovan0001 |
| 245 | 1 0 | a Nature of the pressure-induced collapse of an ice clathrate by dielectric spectroscopy |
| 264 | 1 | b American Institute of Physics (AIP),c 2008 |
| 338 | a print2 rdacarrier | |
| 520 | a Collapse of an ice clathrate of type II structure containing tetrahydrofuran as guest molecules has been studied at different pressures by dielectric spectroscopy. The sample was pressurized to 1.3 GPa at 130 K and the resulting collapsed state was pressure cycled. The dielectric relaxation time increases at a progressively rapid rate during pressurizing and then decreases slowly on depressurizing, but the dielectric relaxation time does not reach the value of the original state. With increase in pressure, the limiting high frequency permittivity due to orientation of H2O molecules first increases by about 5% until 0.75 GPa and then decreases slightly until 1 GPa, and finally it increases until ~1.2 GPa. The decrease is attributed to the loss of contribution from the reorientational motion of tetrahydrofuran molecules and the increase to densification as the structure mechanically collapses completely in the 1–1.25 GPa range. The relaxation time of the collapsed state is comparable with that of the high-density amorph formed on pressure collapse of ice. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
| 653 | a dielectric relaxation | |
| 653 | a clathrate hydrate | |
| 653 | a high pressure | |
| 700 | 1 | a Johari, Gyan P.4 aut |
| 710 | 2 | a Umeå universitetb Institutionen för fysik4 org |
| 773 | 0 | t Journal of Chemical Physicsd : American Institute of Physics (AIP)g 129:23q 129:23x 0021-9606x 1089-7690 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-11413 |
| 856 | 4 8 | u https://doi.org/10.1063/1.3039760 |
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