2004
DOI: 10.1103/physrevb.70.132102
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Na23spin-lattice relaxation of sodium nitrite in confined geometry

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Cited by 44 publications
(29 citation statements)
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“…Due to high wetting ability it is possible to produce nanocomposite sodium nitrite on the basis of different porous media with various topology and dimensionality: 3D random dendritetype (porous glasses) and regular (opals) interconnected nanocaverns, quasi-1D parallel nanochannels (chrysotile asbestos and mobile crystalline material (MCM)-41) etc. Such nanocomposites have been extensively studied by different experimental methods including calorimetry [1], nuclear magnetic resonance (NMR) [2][3][4], ultrasonic [5,6] and dielectric [3,[7][8][9][10] measurements, Raman [11], X-ray and neutron diffraction [12][13][14][15] etc, and very intriguing and surprising results were obtained. In particular it was shown that sodium nitrite (NaNO 2 ) within artificial opals demonstrates a giant growth of ε (up to 10 8 at 100 Hz) at approaching the bulk melting temperature [7].…”
Section: Introductionmentioning
confidence: 99%
“…Due to high wetting ability it is possible to produce nanocomposite sodium nitrite on the basis of different porous media with various topology and dimensionality: 3D random dendritetype (porous glasses) and regular (opals) interconnected nanocaverns, quasi-1D parallel nanochannels (chrysotile asbestos and mobile crystalline material (MCM)-41) etc. Such nanocomposites have been extensively studied by different experimental methods including calorimetry [1], nuclear magnetic resonance (NMR) [2][3][4], ultrasonic [5,6] and dielectric [3,[7][8][9][10] measurements, Raman [11], X-ray and neutron diffraction [12][13][14][15] etc, and very intriguing and surprising results were obtained. In particular it was shown that sodium nitrite (NaNO 2 ) within artificial opals demonstrates a giant growth of ε (up to 10 8 at 100 Hz) at approaching the bulk melting temperature [7].…”
Section: Introductionmentioning
confidence: 99%
“…Автора-ми [26] было показано, что носителями заряда в случае заполненной NaNO 2 матрицы являются ионы Na + . При этом, как и в случае с пустым пористым стеклом, вопрос о том, как именно происходит транспорт ионов, остается открытым.…”
Section: полученные результаты и обсуждениеunclassified
“…Результаты исследования нитрита натрия NaNO 2 , вве-денного в различные пористые матрицы (опалы, пори-стые стекла, молекулярные решетки), опубликованы в ряде работ (см., например, [1][2][3][4][5]). Cреди множества по-лученных ранее результатов при изучении нано-NaNO 2 можно отметить ряд наиболее ярких:…”
Section: Introductionunclassified
“…В одной из работ (см. [4]) авторами предполага-лось наличие состояния предплавления всего количества NaNO 2 , находящегося в порах, что, естественно, при-водило к отсутствию сегнетоэлектрического фазового перехода.…”
Section: Introductionunclassified