(7Li, 19F, 23Na) NMR spectra and ion mobility in lithium(sodium) bismuth fluorozirconate glasses
Creators
- 1. SO RAN, Inst. Neorganicheskoj Khimii im. A.V. Nikolaeva, Novosibirsk (Russian Federation)
- 2. DVO RAN, Inst. Khimii, Vladivostok (Russian Federation)
Description
Ion mobility in anionic and cationic subsystems of some new fluoride glasses 45ZrF4-25BiF3-30MF (I), (70-x)ZrF4-xBiF3-30LiF (II) (M = Li, Na, K; 15 ≤ x ≤ 35) and 45ZrF4-(55-y)BiF3-yMF (III) (M = Li, Na; 10 ≤ y ≤ 30) in the temperature range 290-450 K has been studied by NMR (7Li, 19F, 23Na) methods. Based on NMR data the character of ionic movement in bismuth-fluorozirconate glasses I, III is dictated by the nature and concentration of alkali cation. With increase in ionic radius M the temperature range giving rise to local movement (reorientation) of fluorine-containing groupings in glasses I shifts to the range of lower temperatures. Local movements in fluoride sublattice and lithium ions diffusions (except for the glass with y = 10) are the main type of ion mobility in glasses I-III at temperatures exceeding 400 K
Abstract (Russian)
Методами ЯМР (7Li, 19F, 23Na) изучена ионная подвижность в анионной и катионной подсистемах ряда новых фторидных стекол 45ZrF4-25BiF3-30MF (I), (70-x)ZrF4-xBiF3-30LiF (II) (M = Li, Na, K; 15 ≤ x ≤ 35) и 45ZrF4-(55-y)BiF3-yMF (III) (M = Li, Na; 10 ≤ y ≤ 30) в диапазоне температур 290-450 К. По данным ЯМР характер ионных движений в висмутфторо-цирконатных стеклах I, III определяется природой и концентрацией щелочного катиона. По мере увеличения ионного радиуса М интервал температур, в котором появляются локальные движения (реориентации) фторсодержащих группировок в стеклах I смещается в область более низких температур. Основным видом ионной подвижности в стеклах I-III при температурах выше 400 К являются локальные движения во фторидной подрешетке и диффузия ионов лития (за исключением стекла с у = 10)Additional details
Additional titles
- Original title (Russian)
- Спектры YaMR (
Publishing Information
- Publisher
- Tomskij Politekhnicheskij Universitet
- Imprint Place
- Tomsk (Russian Federation)
- ISBN
- 5-901688-08-2
- Imprint Title
- Advanced inorganic fluorides. Proceedings of the Second International Siberian workshop INTERSIBFLUORINE-2006
- Imprint Pagination
- 385 p.
- Journal Page Range
- p. 53-57
Conference
- Title
- 2. International Siberian workshop INTERSIBFLUORINE-2006
- Original Conference Title
- Vtoroj Mezhdunarodnyj Sibirskij seminar INTERSIBFLUORINE-2006
- Dates
- 11-16 Jun 2006
- Place
- Tomsk (Russian Federation)
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 39058792
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ALKALI METAL COMPOUNDS; ATOMIC RADII; BISMUTH FLUORIDES; CARRIER MOBILITY; CATIONS; CHEMICAL COMPOSITION; DIFFUSION; GLASS; NMR SPECTRA; TEMPERATURE DEPENDENCE; TEMPERATURE RANGE 0273-0400 K; TEMPERATURE RANGE 0400-1000 K; ZIRCONIUM FLUORIDES
- Descriptors DEC
- BISMUTH COMPOUNDS; CHARGED PARTICLES; FLUORIDES; FLUORINE COMPOUNDS; HALIDES; HALOGEN COMPOUNDS; IONS; MOBILITY; SPECTRA; TEMPERATURE RANGE; TRANSITION ELEMENT COMPOUNDS; ZIRCONIUM COMPOUNDS
Optional Information
- Notes
- 15 refs., 3 figs., 1 tab. Imprint:Sovremennye neorganicheskie ftoridy. Trudy Vtorogo Mezhdunarodnogo Sibirskogo seminara INTERSIBFLUORINE-2006