X-ray topographic study of growth defects of trans-stilbene crystals grown from solutions
Abstract
Single crystals of trans-stilbene, C14H12, with properties suitable for high-energy neutron detection were grown from solution in anisole and toluene by the temperature reduction method with growth rates up to 6 mm/day. From these crystals, slices of appropriate orientation and thickness of 2–4 mm were cut and studied by X-ray diffraction topography applying the Lang method using CuKα radiation. The topographs exhibit growth defects such as liquid inclusions, dislocations, striations, and faulty growth-sector boundaries. These defects occur in the same typical arrangements and geometries as is observed in all kinds of crystals grown on habit faces from solution. Besides growth dislocations originating from inclusions and propagating with the growth front, many plastic glide dislocations in the shape of loops or half-loops emitted from inclusions by stress relaxation are observed. Finally, the glide system underlying this plasticity is discussed.
- Authors:
-
- RWTH Aachen Univ. (Germany). Institut für Kristallographie
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1829589
- Alternate Identifier(s):
- OSTI ID: 1248424
- Report Number(s):
- LLNL-JRNL-669662
Journal ID: ISSN 0022-0248; 791457
- Grant/Contract Number:
- AC52-07NA27344; AC507NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Crystal Growth
- Additional Journal Information:
- Journal Volume: 429; Journal ID: ISSN 0022-0248
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; A1. X-ray topography; A1. Dislocation; A2. Growth from solutions; B1. Aromatic crystal; B1. Trans-stilbene; B2. Organic scintillator
Citation Formats
Klapper, Helmut, Zaitseva, Natalia, and Carman, Leslie. X-ray topographic study of growth defects of trans-stilbene crystals grown from solutions. United States: N. p., 2015.
Web. doi:10.1016/j.jcrysgro.2015.07.012.
Klapper, Helmut, Zaitseva, Natalia, & Carman, Leslie. X-ray topographic study of growth defects of trans-stilbene crystals grown from solutions. United States. https://doi.org/10.1016/j.jcrysgro.2015.07.012
Klapper, Helmut, Zaitseva, Natalia, and Carman, Leslie. Fri .
"X-ray topographic study of growth defects of trans-stilbene crystals grown from solutions". United States. https://doi.org/10.1016/j.jcrysgro.2015.07.012. https://www.osti.gov/servlets/purl/1829589.
@article{osti_1829589,
title = {X-ray topographic study of growth defects of trans-stilbene crystals grown from solutions},
author = {Klapper, Helmut and Zaitseva, Natalia and Carman, Leslie},
abstractNote = {Single crystals of trans-stilbene, C14H12, with properties suitable for high-energy neutron detection were grown from solution in anisole and toluene by the temperature reduction method with growth rates up to 6 mm/day. From these crystals, slices of appropriate orientation and thickness of 2–4 mm were cut and studied by X-ray diffraction topography applying the Lang method using CuKα radiation. The topographs exhibit growth defects such as liquid inclusions, dislocations, striations, and faulty growth-sector boundaries. These defects occur in the same typical arrangements and geometries as is observed in all kinds of crystals grown on habit faces from solution. Besides growth dislocations originating from inclusions and propagating with the growth front, many plastic glide dislocations in the shape of loops or half-loops emitted from inclusions by stress relaxation are observed. Finally, the glide system underlying this plasticity is discussed.},
doi = {10.1016/j.jcrysgro.2015.07.012},
journal = {Journal of Crystal Growth},
number = ,
volume = 429,
place = {United States},
year = {Fri Jul 17 00:00:00 EDT 2015},
month = {Fri Jul 17 00:00:00 EDT 2015}
}
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