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Title: Titanium Nitride Epitaxy on Tungsten (100) by Sublimation Crystal Growth

Abstract

Titanium nitride crystals were grown from titanium nitride powder on tungsten by the sublimation-recondensation technique. The bright golden TiN crystals displayed a variety of shapes including cubes, truncated tetrahedrons, truncated octahedrons, and tetrahedrons bounded by (111) and (100) crystal planes. The TiN crystals formed regular, repeated patterns within individual W grains that suggested epitaxy. X-ray diffraction and electron backscattering diffraction revealed that the tungsten foil was highly textured with a preferred foil normal of (100) and confirmed that the TiN particles deposited epitaxially with the orientation TiN(100)/W(100) and TiN[100]/W[110], that is, the unit cells of the TiN crystals were rotated 45{sup o} with respect to the tungsten. Because of its larger coefficient of thermal expansion compared to W, upon cooling from the growth temperature, the TiN crystals were under in-plane tensile strain, causing many of the TiN crystals to crack.

Authors:
 [1];  [1];  [1];  [2]
  1. Kansas State University
  2. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Shared Research Equipment Collaborative Research Center
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
931308
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: Materials Research Society, Boston, MA, USA, 20061127, 20061127
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; TITANIUM NITRIDES; CRYSTAL GROWTH; SUBLIMATION; THERMAL EXPANSION; SUBSTRATES; TUNGSTEN; CRYSTAL STRUCTURE; STRAINS; Epitaxy; TiN; crystallographic orientation; electron backscatter diffraction

Citation Formats

Mercurio, Lisa, Du, Li, Edgar, J H, and Kenik, Edward A. Titanium Nitride Epitaxy on Tungsten (100) by Sublimation Crystal Growth. United States: N. p., 2007. Web.
Mercurio, Lisa, Du, Li, Edgar, J H, & Kenik, Edward A. Titanium Nitride Epitaxy on Tungsten (100) by Sublimation Crystal Growth. United States.
Mercurio, Lisa, Du, Li, Edgar, J H, and Kenik, Edward A. Mon . "Titanium Nitride Epitaxy on Tungsten (100) by Sublimation Crystal Growth". United States. doi:.
@article{osti_931308,
title = {Titanium Nitride Epitaxy on Tungsten (100) by Sublimation Crystal Growth},
author = {Mercurio, Lisa and Du, Li and Edgar, J H and Kenik, Edward A},
abstractNote = {Titanium nitride crystals were grown from titanium nitride powder on tungsten by the sublimation-recondensation technique. The bright golden TiN crystals displayed a variety of shapes including cubes, truncated tetrahedrons, truncated octahedrons, and tetrahedrons bounded by (111) and (100) crystal planes. The TiN crystals formed regular, repeated patterns within individual W grains that suggested epitaxy. X-ray diffraction and electron backscattering diffraction revealed that the tungsten foil was highly textured with a preferred foil normal of (100) and confirmed that the TiN particles deposited epitaxially with the orientation TiN(100)/W(100) and TiN[100]/W[110], that is, the unit cells of the TiN crystals were rotated 45{sup o} with respect to the tungsten. Because of its larger coefficient of thermal expansion compared to W, upon cooling from the growth temperature, the TiN crystals were under in-plane tensile strain, causing many of the TiN crystals to crack.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}

Conference:
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