The initial growth of sidebranches in ammonium chloride dendrites

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Abstract
  • We report measurements for the initial stages of sidebranching during the dendritic growth of ammonium chloride from supersaturated aqueous solution. The earliest sidebranches are approximately periodic; they are first evident about 36 rho behind the tip, where rho is the tip radius, and have an average initial spacing of about 5 rho, though both values show considerable variation. The initial sidebranch amplitude grows approximately exponentially, but quickly saturates as sidebranches compete and coarsening sets in. This initial sidebranch growth is reasonably consistent with what would be expected for noise-driven sidebranches, though there are some quantitative differences.
TitleThe initial growth of sidebranches in ammonium chloride dendrites
CreatorDougherty, Andrew
PublisherJournal of Crystal Growth
Academic DepartmentPhysics
DivisionNatural Sciences
OrganizationLafayette College
Date Issued2019
Date Available2021-06-28
TypeArticle
LanguageEnglish
Keywordmorphological stability
Interfaces
dendrites
salts
Bibliographic CitationDougherty, A. (2019) "The initial growth of sidebranches in ammonium chloride dendrites." Journal of Crystal Growth 523: 125162.
Standard IdentifierHandle 10385/1j92g898s
DOI 10.1016/j.jcrysgro.2019.125162
Permalinkhttp://hdl.handle.net/10385/1j92g898s
Rights Statement In Copyright In Copyright
Rights HoldersElsevier B.V.
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