Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study.
The anion-exchange reaction of the layered alpha-cobalt hydroxides Co(OH)(1.75)(DDS)(0.25).0.6H(2)O (1) and Co(OH)(1.7)Cl(0.3).0.4H(2)O (3) with carbonate has been investigated. For 3 the reaction proceeds by complete displacement of the interlayer Cl(-) anions by CO(3)(2-) to give Co(OH)(1.7)(CO(3)...
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| Format: | Journal article |
| Language: | English |
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2008
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| _version_ | 1797080523160420352 |
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| author | Du, Y O'Hare, D |
| author_facet | Du, Y O'Hare, D |
| author_sort | Du, Y |
| collection | OXFORD |
| description | The anion-exchange reaction of the layered alpha-cobalt hydroxides Co(OH)(1.75)(DDS)(0.25).0.6H(2)O (1) and Co(OH)(1.7)Cl(0.3).0.4H(2)O (3) with carbonate has been investigated. For 3 the reaction proceeds by complete displacement of the interlayer Cl(-) anions by CO(3)(2-) to give Co(OH)(1.7)(CO(3))(0.15).0.6H(2)O (4). Remarkably for 1 we only observe ion-exchange of the DDS(-) from every other layer to give the second stage intercalate Co(OH)(1.75)(DDS)(0.07)(CO(3))(0.09).0.5H(2)O (2). The kinetics of these processes have been investigated using time-resolved in situ energy dispersive XRD and small/wide-angle X-ray scattering. In both cases the reaction order (n) was found to be consistent with a two-dimensional diffusion controlled model. Both 3 and 4 are magnetically ordered, and dc and ac magnetic susceptibility measurements have been used to explore their 3D ferrimagnetically ordered ground states. |
| first_indexed | 2024-03-07T01:01:20Z |
| format | Journal article |
| id | oxford-uuid:89d673c1-d6af-45fb-b09f-8ff3604d71b8 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T01:01:20Z |
| publishDate | 2008 |
| record_format | dspace |
| spelling | oxford-uuid:89d673c1-d6af-45fb-b09f-8ff3604d71b82022-03-26T22:27:14ZObservation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:89d673c1-d6af-45fb-b09f-8ff3604d71b8EnglishSymplectic Elements at Oxford2008Du, YO'Hare, DThe anion-exchange reaction of the layered alpha-cobalt hydroxides Co(OH)(1.75)(DDS)(0.25).0.6H(2)O (1) and Co(OH)(1.7)Cl(0.3).0.4H(2)O (3) with carbonate has been investigated. For 3 the reaction proceeds by complete displacement of the interlayer Cl(-) anions by CO(3)(2-) to give Co(OH)(1.7)(CO(3))(0.15).0.6H(2)O (4). Remarkably for 1 we only observe ion-exchange of the DDS(-) from every other layer to give the second stage intercalate Co(OH)(1.75)(DDS)(0.07)(CO(3))(0.09).0.5H(2)O (2). The kinetics of these processes have been investigated using time-resolved in situ energy dispersive XRD and small/wide-angle X-ray scattering. In both cases the reaction order (n) was found to be consistent with a two-dimensional diffusion controlled model. Both 3 and 4 are magnetically ordered, and dc and ac magnetic susceptibility measurements have been used to explore their 3D ferrimagnetically ordered ground states. |
| spellingShingle | Du, Y O'Hare, D Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study. |
| title | Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study. |
| title_full | Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study. |
| title_fullStr | Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study. |
| title_full_unstemmed | Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study. |
| title_short | Observation of staging during intercalation in layered alpha-cobalt hydroxides: a synthetic and kinetic study. |
| title_sort | observation of staging during intercalation in layered alpha cobalt hydroxides a synthetic and kinetic study |
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