Title

Imperfect low-angle boundaries and fracture in hydrothermally grown berlinite crystals

Abstract

We present evidence for finite and/or imperfect low-angle grain boundaries and associated long-range stress fields, formed during the hydrothermal growth of berlinite (α-AlPO4) crystals on multiple-seed-plate arrays. These defective boundaries originate at angularly misaligned junctions between adjacent seed plates as a result of the failure of some component sets of dislocations to propagate epitaxially into the new growth. Lacking a full complement of dislocations, the newly grown boundary may be imperfect and generate long-range stresses, leading to fracture and/or plastic flow. © 1998 Elsevier Science B.V. All rights reserved.

Publication Date

7-1-1998

Publication Title

Journal of Crystal Growth

Volume

191

Issue

1-2

Number of Pages

108-112

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/S0022-0248(98)00107-9

Socpus ID

0032121779 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0032121779

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