NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃

The temperatures dependences of the Br⁷⁹ quadrupole resonance, Br⁷⁹ and proton spinlattice relaxation times have been studied in the perovskite layer structure compounds (CH₃)₂CHNH₃CdBr₃. It is shown that anomalies in the temperature behaviours of NQR frequencies and quadrupole relaxation of Br⁷⁹ an...

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Veröffentlicht in:Functional Materials
Datum:2005
Hauptverfasser: Chesnokov, Eu.D., Chapla, Z., Ovcharenko, A.I., Pogrebnyak, S.V., Vertegel, I.G.
Format: Artikel
Sprache:English
Veröffentlicht: НТК «Інститут монокристалів» НАН України 2005
Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/135260
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Zitieren:NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃ / Eu.D. Chesnokov, Z. Chapla, A.I. Ovcharenko, S.V. Pogrebnyak, I.G. Vertegel // Functional Materials. — 2005. — Т. 12, № 2. — С. 212-215. — Бібліогр.: 8 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-135260
record_format dspace
spelling Chesnokov, Eu.D.
Chapla, Z.
Ovcharenko, A.I.
Pogrebnyak, S.V.
Vertegel, I.G.
2018-06-14T17:31:52Z
2018-06-14T17:31:52Z
2005
NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃ / Eu.D. Chesnokov, Z. Chapla, A.I. Ovcharenko, S.V. Pogrebnyak, I.G. Vertegel // Functional Materials. — 2005. — Т. 12, № 2. — С. 212-215. — Бібліогр.: 8 назв. — англ.
1027-5495
https://nasplib.isofts.kiev.ua/handle/123456789/135260
The temperatures dependences of the Br⁷⁹ quadrupole resonance, Br⁷⁹ and proton spinlattice relaxation times have been studied in the perovskite layer structure compounds (CH₃)₂CHNH₃CdBr₃. It is shown that anomalies in the temperature behaviours of NQR frequencies and quadrupole relaxation of Br⁷⁹ and related to the reorientation of NH₃ groups. The main mechanisms of Br⁷⁹ and proton spin relaxation as well as their correlations with motion nature of the methylammonium groups and their fragments are discussed.
Приведены результаты исследований температурных зависимостей частот ядерного квадрупольного резонанса Br⁷⁹, квадрупольной спин-решеточной релаксации ядер Br⁷⁹ и протонной ЯМР релаксации в кристалле (CH₃)₂CHNH₃CdBr₃ с перовскито-подобной структурой. Показано, что аномальное температурное поведение частот ЯКР и квадрупольной релаксации ядер брома обусловлено реориентацией NH₃ групп и динамикой водородной связи N-H... Br. Обсуждаются механизмы релаксации протонов и ядер брома, а также их связь с характером движения метиламмонийных групп и их фрагментов.
en
НТК «Інститут монокристалів» НАН України
Functional Materials
NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
spellingShingle NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
Chesnokov, Eu.D.
Chapla, Z.
Ovcharenko, A.I.
Pogrebnyak, S.V.
Vertegel, I.G.
title_short NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
title_full NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
title_fullStr NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
title_full_unstemmed NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃
title_sort nmr and nqr investigation of the lattice dynamics in (ch₃)₂chnh₃cdbr₃
author Chesnokov, Eu.D.
Chapla, Z.
Ovcharenko, A.I.
Pogrebnyak, S.V.
Vertegel, I.G.
author_facet Chesnokov, Eu.D.
Chapla, Z.
Ovcharenko, A.I.
Pogrebnyak, S.V.
Vertegel, I.G.
publishDate 2005
language English
container_title Functional Materials
publisher НТК «Інститут монокристалів» НАН України
format Article
description The temperatures dependences of the Br⁷⁹ quadrupole resonance, Br⁷⁹ and proton spinlattice relaxation times have been studied in the perovskite layer structure compounds (CH₃)₂CHNH₃CdBr₃. It is shown that anomalies in the temperature behaviours of NQR frequencies and quadrupole relaxation of Br⁷⁹ and related to the reorientation of NH₃ groups. The main mechanisms of Br⁷⁹ and proton spin relaxation as well as their correlations with motion nature of the methylammonium groups and their fragments are discussed. Приведены результаты исследований температурных зависимостей частот ядерного квадрупольного резонанса Br⁷⁹, квадрупольной спин-решеточной релаксации ядер Br⁷⁹ и протонной ЯМР релаксации в кристалле (CH₃)₂CHNH₃CdBr₃ с перовскито-подобной структурой. Показано, что аномальное температурное поведение частот ЯКР и квадрупольной релаксации ядер брома обусловлено реориентацией NH₃ групп и динамикой водородной связи N-H... Br. Обсуждаются механизмы релаксации протонов и ядер брома, а также их связь с характером движения метиламмонийных групп и их фрагментов.
issn 1027-5495
url https://nasplib.isofts.kiev.ua/handle/123456789/135260
citation_txt NMR and NQR investigation of the lattice dynamics in (CH₃)₂CHNH₃CdBr₃ / Eu.D. Chesnokov, Z. Chapla, A.I. Ovcharenko, S.V. Pogrebnyak, I.G. Vertegel // Functional Materials. — 2005. — Т. 12, № 2. — С. 212-215. — Бібліогр.: 8 назв. — англ.
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AT chaplaz nmrandnqrinvestigationofthelatticedynamicsinch32chnh3cdbr3
AT ovcharenkoai nmrandnqrinvestigationofthelatticedynamicsinch32chnh3cdbr3
AT pogrebnyaksv nmrandnqrinvestigationofthelatticedynamicsinch32chnh3cdbr3
AT vertegelig nmrandnqrinvestigationofthelatticedynamicsinch32chnh3cdbr3
first_indexed 2025-11-24T16:42:08Z
last_indexed 2025-11-24T16:42:08Z
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