| Numéro |
J. Physique Lett.
Volume 42, Numéro 7, avril 1981
|
|
|---|---|---|
| Page(s) | 155 - 158 | |
| DOI | https://doi.org/10.1051/jphyslet:01981004207015500 | |
J. Physique Lett. 42, 155-158 (1981)
DOI: 10.1051/jphyslet:01981004207015500
1 Institut für Physik, Joh. Gutenberg-Universität, 6500 Mainz, West Germany
2 Institut Laue-Langevin, B.P. 156, F-38042 Grenoble, France
6780 - Solid helium and related quantum crystals.
Key words
adsorbed layers -- helium films -- neutron diffraction examination of materials -- nucleation -- solid helium -- continuous growth -- BCC -- HCP -- solid sup 3 He -- Grafoil -- phase diagram -- continuous nucleation -- bulk melting curve -- neutron diffraction patterns
DOI: 10.1051/jphyslet:01981004207015500
Absence of continuous growth for bcc and hcp solid 3He on Grafoil
C. Tiby1, H. Wiechert1, H.J. Lauter2 et J. Schaab11 Institut für Physik, Joh. Gutenberg-Universität, 6500 Mainz, West Germany
2 Institut Laue-Langevin, B.P. 156, F-38042 Grenoble, France
Abstract
Neutron diffraction patterns taken in the bcc and hcp region of the 3He phase diagram give no evidence for a continuous nucleation of solid 3He on a Grafoil substrate. This result is supported by isopycnals measured near the bulk melting curve between 1.2 K and 3.8 K.
Résumé
Les spectres de diffraction des neutrons pris dans la région bcc et hcp du diagramme de phase de l'3He ne montrent pas de solidification continue de l'3He solide sur le substrat de Grafoil. Ce résultat est confirmé par des isopycnales mesurées à proximité de la courbe de fusion entre 1,2 K et 3,8 K.
6780 - Solid helium and related quantum crystals.
Key words
adsorbed layers -- helium films -- neutron diffraction examination of materials -- nucleation -- solid helium -- continuous growth -- BCC -- HCP -- solid sup 3 He -- Grafoil -- phase diagram -- continuous nucleation -- bulk melting curve -- neutron diffraction patterns