Influence of deposition conditions and film thickness on the 〈001〉 orientation of erbium films

H. Savaloni*, E. Gu, M. A. Player, G. V. Marr, I. H. Munro

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The influences of substrate temperature, deposition rate and film thickness on the structure of erbium films deposited on molybdenum substrates of surface roughness Rq=151 nm are investigated by energy-dispersive x-ray diffraction. This shows that erbium polycrystalline films grow preferentially in the 〈001〉 direction. The intensity ratio of the Er(002) peak to Er(101) increases with film thickness, in particular above 300 nm thickness. The influence of direction of the incident evaporated beam at 8.5°to the normal is also investigated and it is shown that at low substrate temperature the film orientation is offset, but at higher temperatures (Ts≥575 K) the film orientation becomes normal to the substrate. Such controllable preferred orientation may be of value in the fabrication of diffracting components for x-ray instrumentation.

Original languageEnglish
Pages (from-to)1494-1496
Number of pages3
JournalReview of Scientific Instruments
Volume63
Issue number1
DOIs
Publication statusPublished - Jan 1992

Fingerprint

Erbium
erbium
Film thickness
film thickness
Substrates
X rays
Deposition rates
Temperature
Molybdenum
molybdenum
surface roughness
x ray diffraction
Diffraction
Surface roughness
Fabrication
fabrication
temperature
x rays
energy

ASJC Scopus subject areas

  • Instrumentation

Cite this

Influence of deposition conditions and film thickness on the 〈001〉 orientation of erbium films. / Savaloni, H.; Gu, E.; Player, M. A.; Marr, G. V.; Munro, I. H.

In: Review of Scientific Instruments, Vol. 63, No. 1, 01.1992, p. 1494-1496.

Research output: Contribution to journalArticle

Savaloni, H. ; Gu, E. ; Player, M. A. ; Marr, G. V. ; Munro, I. H. / Influence of deposition conditions and film thickness on the 〈001〉 orientation of erbium films. In: Review of Scientific Instruments. 1992 ; Vol. 63, No. 1. pp. 1494-1496.
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