Early stages of the heteroepitactic growth of hematite on (0001) Al <inf>2</inf>O<inf>3</inf> by transmission electron microscopy

Lisa A. Tietz; Scott R. Summerfelt; Gerald R. English; C. Barry Carter

doi:10.1063/1.102464

Early stages of the heteroepitactic growth of hematite on (0001) Al <inf>2</inf>O<inf>3</inf> by transmission electron microscopy

Lisa A. Tietz
, Scott R. Summerfelt
, Gerald R. English
, C. Barry Carter

Research output: Contribution to journal › Article › peer-review

15 Scopus citations

Abstract

A new method for studying the early stages of the growth of oxide epilayers by transmission electron microscopy (TEM) is described. The technique uses well-characterized, single-crystal TEM foils as substrates for the deposition process. In the present study, chemical vapor deposition was used to form small islands (50-300 nm) of α-Fe2O3 on (0001) oriented Al2O3 thin-foil substrates. The preferential nucleation of islands at surface steps on the alumina is clearly demonstrated. Selected area diffraction and moiré fringe pattern analysis are used to show the epitactic nature of the growth and to study the island morphology.

Original language	English
Pages (from-to)	1202-1204
Number of pages	3
Journal	Applied Physics Letters
Volume	55
Issue number	12
DOIs	https://doi.org/10.1063/1.102464
State	Published - Dec 1 1989
Externally published	Yes

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title = "Early stages of the heteroepitactic growth of hematite on (0001) Al 2O3 by transmission electron microscopy",

abstract = "A new method for studying the early stages of the growth of oxide epilayers by transmission electron microscopy (TEM) is described. The technique uses well-characterized, single-crystal TEM foils as substrates for the deposition process. In the present study, chemical vapor deposition was used to form small islands (50-300 nm) of α-Fe2O3 on (0001) oriented Al2O3 thin-foil substrates. The preferential nucleation of islands at surface steps on the alumina is clearly demonstrated. Selected area diffraction and moir{\'e} fringe pattern analysis are used to show the epitactic nature of the growth and to study the island morphology.",

author = "Tietz, \{Lisa A.\} and Summerfelt, \{Scott R.\} and English, \{Gerald R.\} and Carter, \{C. Barry\}",

year = "1989",

month = dec,

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doi = "10.1063/1.102464",

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journal = "Applied Physics Letters",

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T1 - Early stages of the heteroepitactic growth of hematite on (0001) Al 2O3 by transmission electron microscopy

AU - Tietz, Lisa A.

AU - Summerfelt, Scott R.

AU - English, Gerald R.

AU - Carter, C. Barry

PY - 1989/12/1

Y1 - 1989/12/1

N2 - A new method for studying the early stages of the growth of oxide epilayers by transmission electron microscopy (TEM) is described. The technique uses well-characterized, single-crystal TEM foils as substrates for the deposition process. In the present study, chemical vapor deposition was used to form small islands (50-300 nm) of α-Fe2O3 on (0001) oriented Al2O3 thin-foil substrates. The preferential nucleation of islands at surface steps on the alumina is clearly demonstrated. Selected area diffraction and moiré fringe pattern analysis are used to show the epitactic nature of the growth and to study the island morphology.

AB - A new method for studying the early stages of the growth of oxide epilayers by transmission electron microscopy (TEM) is described. The technique uses well-characterized, single-crystal TEM foils as substrates for the deposition process. In the present study, chemical vapor deposition was used to form small islands (50-300 nm) of α-Fe2O3 on (0001) oriented Al2O3 thin-foil substrates. The preferential nucleation of islands at surface steps on the alumina is clearly demonstrated. Selected area diffraction and moiré fringe pattern analysis are used to show the epitactic nature of the growth and to study the island morphology.

UR - https://www.scopus.com/pages/publications/36549101848

U2 - 10.1063/1.102464

DO - 10.1063/1.102464

M3 - Article

SN - 0003-6951

VL - 55

SP - 1202

EP - 1204

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 12

ER -

Early stages of the heteroepitactic growth of hematite on (0001) Al <inf>2</inf>O<inf>3</inf> by transmission electron microscopy

Abstract

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