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Proton double quantum coherence and cross-relaxation in (NH4)2SnBr6.

PubMed
Authors: Punkkinen M, Kaikkonen A, Ylinen EE, Kankaanpää M, Vuorimäki AH

Year

1998

Paper ID

13446

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

105

Citations

1

Abstract

A proton double quantum coherence signal can be observed exclusively from the T species NH4 groups with the total spin I = 1 in ammonium compounds at low temperatures by the three-pulse sequence 90x degrees - tpr - 90x degrees - tev - 90x degrees - ta, where tpr and ta are of the magnitude of the inverse line width and tev very short. The usefulness of this pulse sequence, preceded by the additional pulse sequence 90x degrees - t1 -90(-x) degrees - t2 for creating an unbalance between the A and T species magnetizations, was demonstrated by applying it to cross-relaxation studies in (NH4)2SnBr6.

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  • A proton double quantum coherence signal can be observed exclusively from the T species NH4 groups with the total spin I = 1 in ammonium compounds at low temperatures by the...

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References & Citation Signals

[1] DOI https://doi.org/10.1016/s0926-2040(98)00083-6 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/10023845/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-13 20:19:44

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