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Role of NH(4) ions in successive phase transitions of perovskite type (NH(4))(2)ZnX(4) (X = Cl, Br) by (1)H MAS NMR and (14)N NMR

The (1)H chemical shifts and the spin-lattice relaxation time, T(1ρ), in the rotating frame of (NH(4))(2)ZnX(4) (X = Cl, Br) are observed in order to investigate local phenomena related to successive phase transitions. The temperature dependence of T(1ρ) values for (1)H showed a minimum, and the T(1...

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Detalles Bibliográficos
Autor principal: Lim, Ae Ran
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9079046/
https://www.ncbi.nlm.nih.gov/pubmed/35542796
http://dx.doi.org/10.1039/c8ra01315b

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