Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 705-715 |
| Seitenumfang | 11 |
| Fachzeitschrift | Defect and Diffusion Forum |
| Jahrgang | 283-286 |
| Publikationsstatus | Veröffentlicht - 2009 |
Abstract
Materials with an average particle size of less than about 50 nm often show new or at least enhanced physical properties. In many cases nanocrystalline ionic conductors exhibit a high increase of cation, e. g. Li+, or anion, e. g. F-, diffusivity. In the present contribution we review recent studies on ion dynamics in nanocrystalline ion conductors, both single-phase systems and composites, being prepared by high-energy ball milling. These include, e.g., LiTaO3, Li2O:Al2O3, LiF:Al2O 3, BaF2, CaF2, BaF2:CaF2 and (BaF2:CaF2):Al2O3. Dynamic properties were probed by 7Li and/or 19F NMR line shape and relaxation as well as ion conductivity measurements.
ASJC Scopus Sachgebiete
- Physik und Astronomie (insg.)
- Strahlung
- Werkstoffwissenschaften (insg.)
- Allgemeine Materialwissenschaften
- Physik und Astronomie (insg.)
- Physik der kondensierten Materie
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in: Defect and Diffusion Forum, Jahrgang 283-286, 2009, S. 705-715.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Diffusion in nanocrystalline ion conductors studied by solid state NMR and impedance spectroscopy
AU - Heitjans, Paul
AU - Wilkening, Martin
PY - 2009
Y1 - 2009
N2 - Materials with an average particle size of less than about 50 nm often show new or at least enhanced physical properties. In many cases nanocrystalline ionic conductors exhibit a high increase of cation, e. g. Li+, or anion, e. g. F-, diffusivity. In the present contribution we review recent studies on ion dynamics in nanocrystalline ion conductors, both single-phase systems and composites, being prepared by high-energy ball milling. These include, e.g., LiTaO3, Li2O:Al2O3, LiF:Al2O 3, BaF2, CaF2, BaF2:CaF2 and (BaF2:CaF2):Al2O3. Dynamic properties were probed by 7Li and/or 19F NMR line shape and relaxation as well as ion conductivity measurements.
AB - Materials with an average particle size of less than about 50 nm often show new or at least enhanced physical properties. In many cases nanocrystalline ionic conductors exhibit a high increase of cation, e. g. Li+, or anion, e. g. F-, diffusivity. In the present contribution we review recent studies on ion dynamics in nanocrystalline ion conductors, both single-phase systems and composites, being prepared by high-energy ball milling. These include, e.g., LiTaO3, Li2O:Al2O3, LiF:Al2O 3, BaF2, CaF2, BaF2:CaF2 and (BaF2:CaF2):Al2O3. Dynamic properties were probed by 7Li and/or 19F NMR line shape and relaxation as well as ion conductivity measurements.
KW - BaF
KW - CaF
KW - Composites
KW - Conductivity
KW - F diffusion
KW - Li
KW - LiF
KW - Lineshapes
KW - LiTaO
KW - NMR relaxation
UR - http://www.scopus.com/inward/record.url?scp=62149122215&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/DDF.283-286.705
DO - 10.4028/www.scientific.net/DDF.283-286.705
M3 - Article
AN - SCOPUS:62149122215
VL - 283-286
SP - 705
EP - 715
JO - Defect and Diffusion Forum
JF - Defect and Diffusion Forum
SN - 1012-0386
ER -