Thermally Activated Motion of Sodium Cations in Insulating Parent Low-Silica X Zeolite

Thermally Activated Motion of Sodium Cations in Insulating Parent Low-Silica X Zeolite

We report a 23Na spin-lattice relaxation rate, T-11, in low-silica X zeolite. T-11 follows multiple BPP-type behavior as a result of thermal motion of sodium cations in insulating material. The estimated lowest activation energy of 15 meV is much lower than 100 meV observed previously for sodium mot...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Journal of the Physical Society of Japan 2017-07, Vol.86 (7), p.75005
Hauptverfasser: Igarashi, Mutsuo, Jeglič, Peter, Mežnaršič, Tadej, Nakano, Takehito, Nozue, Yasuo, Watanabe, Naohiro, Arčon, Denis
Format: Artikel
Sprache:eng
Schlagworte:
Activation energy
Cations
Energy
Ions
Silica
Silicon dioxide
Sodium
Spin-lattice relaxation
Zeolites
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:We report a 23Na spin-lattice relaxation rate, T-11, in low-silica X zeolite. T-11 follows multiple BPP-type behavior as a result of thermal motion of sodium cations in insulating material. The estimated lowest activation energy of 15 meV is much lower than 100 meV observed previously for sodium motion in heavily Na-loaded samples and is most likely attributed to short-distance jumps of sodium cations between sites within the same supercage.
ISSN:0031-9015
1347-4073
DOI:10.7566/JPSJ.86.075005