Anomalous nuclear spin–lattice relaxation of  3 Не in contact with ordered Al 2 O 3  aerogel

E. M. Alakshin; M. Yu. Zakharov; A. V. Klochkov; V. V. Kuzmin; K. R. Safiullin; A. A. Stanislavovas; M. S. Tagirov

doi:10.1134/S0021364016170033

Anomalous nuclear spin–lattice relaxation of ³Не in contact with ordered Al₂O₃ aerogel

Авторы: Alakshin E.M.¹, Zakharov M.Y.¹, Klochkov A.V.¹, Kuzmin V.V.¹, Safiullin K.R.¹, Stanislavovas A.A.¹, Tagirov M.S.¹^,2
Учреждения:
1. Insitute of Physics
2. Institute for Perspective Research
Выпуск: Том 104, № 5 (2016)
Страницы: 315-318
Раздел: Condensed Matter
URL: https://journals.rcsi.science/0021-3640/article/view/159697
DOI: https://doi.org/10.1134/S0021364016170033
ID: 159697

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Аннотация

Spin–lattice relaxation of ³Не in contact with the ordered Al₂O₃ fiber aerogel has been studied at the temperature of 1.6 K in fields of 0.1–0.5 T by the pulsed nuclear magnetic resonance (NMR) method. An additional mechanism of the relaxation of ³Не in aerogels is found and it is shown that this relaxation mechanism is not associated with the adsorbed layer. A hypothesis about the influence of intrinsic paramagnetic centers on the relaxation of gaseous ³Не is proposed.