Journal article
Unconventional vapor-liquid-solid mechanism of ultra-long Ba6Mn24O48 whiskers growth from chloride fluxes
CrystEngComm, v 14(10), pp 3778-3786
01 Jan 2012
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Abstract
Isothermal growth in evaporating salt fluxes allowed the reproducible and high-yield synthesis of unique submicron-thick and millimeter-long manganese-rich Ba6Mn24O48 whiskers with a composite tunnel crystal structure. The crystals morphology and growth conditions suggest that the whiskers proliferate by an unusual mechanism based on a transport reaction of MnCl2 vapor, its oxidation into manganese oxides and interaction with a BaCl2-containing melt film wetting the whisker bodies. Thin fibers of Ba6Mn24O48 were found to grow mostly in the [001] direction parallel to their structural tunnels. A simple acid leaching splits the whiskers into flexible 20-50 nm thick nanofibers and converts them simultaneously into a protonated form favoring one-dimensional ionic conductivity.
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Details
- Title
- Unconventional vapor-liquid-solid mechanism of ultra-long Ba6Mn24O48 whiskers growth from chloride fluxes
- Creators
- Ekaterina A. Pomerantseva - Moscow State UniversityEugene A. Goodilin - Lomonosov Moscow State UniversityYuri D. Tretyakov - Lomonosov Moscow State University
- Publication Details
- CrystEngComm, v 14(10), pp 3778-3786
- Publisher
- Royal Soc Chemistry
- Number of pages
- 9
- Grant note
- RFBR; Russian Foundation for Basic Research (RFBR) Russian Federation
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000303168700060
- Scopus ID
- 2-s2.0-84860361407
- Other Identifier
- 991020785742704721
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Chemistry, Multidisciplinary
- Crystallography