| Issue |
J. Phys. Colloques
Volume 39, Number C6, Août 1978
The XVth International Conference on low temperature physicsQuantum Fluids and Solids Superconductivity |
|
|---|---|---|
| Page(s) | C6-285 - C6-286 | |
| DOI | https://doi.org/10.1051/jphyscol:19786127 | |
The XVth International Conference on low temperature physics
Quantum Fluids and Solids
Superconductivity
J. Phys. Colloques 39 (1978) C6-285-C6-286
DOI: 10.1051/jphyscol:19786127
1 Department of Physics, Cornell University, Ithaca, New York 14853, USA
2 Low Temperature Laboratory, Helsinki University of Technology, SF-02150 Espoo 15, Finland
Quantum Fluids and Solids
Superconductivity
J. Phys. Colloques 39 (1978) C6-285-C6-286
DOI: 10.1051/jphyscol:19786127
SURFACE INDUCED FERROMAGNETISM IN 3He
A.I. Ahnonen1, T.A. Alvesalo2, T. Haavasoja2 and M.C. Veuro21 Department of Physics, Cornell University, Ithaca, New York 14853, USA
2 Low Temperature Laboratory, Helsinki University of Technology, SF-02150 Espoo 15, Finland
Résumé
La susceptibilité et les temps de relaxation transverses et longitudinaux des noyaux d'3He dans une poudre de charbon (φ 9 nm) ont été mesurés jusqu'à 0.4 mK par RMN pulsée. Les résultats indiquent que l'3He près de l'interface solide-liquide a une tendance ferromagnétique aux plus basses températures.
Abstract
Pulsed NMR measurements of the susceptibility and of the transverse and longitudinal relaxation times of 3He intermixed with 9 nm carbon particles down to 0.4 mK show that the solid-liquid system near the surfaces favours ferromagnetic order below 10 mK and approaches a ferromagnetic transition at the lowest temperatures.