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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2014, Volume 99, Issue 1, Pages 35–39 DOI: https://doi.org/10.7868/S0370274X1401007X
(Mi jetpl3631)
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This article is cited in 2 scientific papers (total in 2 papers)
CONDENSED MATTER
Nanocluster magnetic gel in superfluid He-II
V. B. Efimova, A. V. Lokhova, L. P. Mezhov-Deglina, C. Dewhurstb, V. V. Nesvizhevskiib, G. V. Kolmakovc a Institute of Solid State Physics, Russian Academy of Sciences
b Institut Laue-Langevin, Grenoble
c City University of New York
DOI:
https://doi.org/10.7868/S0370274X1401007X
Abstract:
The first results of the study of the structure of an impurity oxygen gel in superfluid He-II and in normal liquid helium have been obtained by the small-angle neutron scattering (SANS) method with cold neutrons. The angular dependence of the neutron scattering intensity $I(q)$ indicates that the characteristic sizes of nanocluster aggregates forming a dispersive system (backbone) of an oxygen gel sample are distributed from $1$ to ${\sim}\,100$ nm. According to the estimates made, if the working cell with superfluid helium cooled below $1.8$ K is placed in a magnetic field of $H\geq 200$ G, the magnetic structure of the nanocluster sample of oxygen gel, which is formed at the condensation of the flow of gaseous $^4$He with the impurity of O$_2$ vapor on the surface of He-II, will be close to ferromagnetic.
Received: 11.12.2013
Citation:
V. B. Efimov, A. V. Lokhov, L. P. Mezhov-Deglin, C. Dewhurst, V. V. Nesvizhevskii, G. V. Kolmakov, “Nanocluster magnetic gel in superfluid He-II”, Pis'ma v Zh. Èksper. Teoret. Fiz., 99:1 (2014), 35–39; JETP Letters, 99:1 (2014), 32–36
Linking options:
https://www.mathnet.ru/eng/jetpl3631 https://www.mathnet.ru/eng/jetpl/v99/i1/p35
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