NMR characterization of phase separation in highly polarized3He-4He solutions above 450 mK

Autor:	G. Tastevin
Rok vydání:	1992
Předmět:	Quantum fluid Cryostat Materials science Analytical chemistry Condensed Matter Physics Polarization (waves) Laser Atomic and Molecular Physics and Optics law.invention Optical pumping Helium-4 Nuclear magnetic resonance law General Materials Science Magnetic relaxation Isotopes of helium
Zdroj:	Journal of Low Temperature Physics. 89:317-324
ISSN:	1573-7357 0022-2291
DOI:	10.1007/bf00692604
Popis:	Laser optical pumping techniques were successfully applied to concentrated [sup 3]He-[sup 4]He gaseous mixtures. Using a [sup 3]He cryostat, these mixtures were subsequently liquefied and studied down to 450 mK, using pulsed NMR techniques. Observation of highly nuclear polarized solutions and of phase separation (demixion) in the mixtures is reported. Measurements of magnetic relaxation times and the dynamics of coexisting phases in this system are discussed.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::1f1eadd3cc01a421ba46a7793f2a65b7 https://doi.org/10.1007/bf00692604 Zobrazit plný text záznamu Full text from SpringerLink