Helium irradiation of Y2O3-Fe bilayer system

A. Mairov; D. Frazer; P. Hosemann; K. Sridharan

doi:10.1016/j.scriptamat.2018.11.006

Helium irradiation of Y₂O₃-Fe bilayer system

A. Mairov
, D. Frazer
, P. Hosemann
, K. Sridharan

Materials and Fuels Complex

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

14 Scopus citations

Abstract

Y₂O₃/Fe bilayer systems and associated interfaces with different crystallographic orientations were implanted with helium. High resolution scanning transmission electron microscopy (HRSTEM) analysis showed that implanted helium formed larger sized bubbles at the interface than within the individual film layers. The bubbles at the interface were located on the oxide side of the interface and only “wetted” a small area of the interface. In contrast, bubbles nucleating at grain boundaries within the iron layer were observed to symmetrically form across the grain boundaries, suggesting remarkable differences in helium bubble nucleation between metal/oxide interfaces and grain boundaries in metals.

Original language	English
Pages (from-to)	156-160
Number of pages	5
Journal	Scripta Materialia
Volume	162
DOIs	https://doi.org/10.1016/j.scriptamat.2018.11.006
State	Published - Mar 15 2019

Keywords

Helium bubbles
Interface wetting
ODS
STEM
Thin films

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10.1016/j.scriptamat.2018.11.006

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title = "Helium irradiation of Y2O3-Fe bilayer system",

abstract = "Y2O3/Fe bilayer systems and associated interfaces with different crystallographic orientations were implanted with helium. High resolution scanning transmission electron microscopy (HRSTEM) analysis showed that implanted helium formed larger sized bubbles at the interface than within the individual film layers. The bubbles at the interface were located on the oxide side of the interface and only “wetted” a small area of the interface. In contrast, bubbles nucleating at grain boundaries within the iron layer were observed to symmetrically form across the grain boundaries, suggesting remarkable differences in helium bubble nucleation between metal/oxide interfaces and grain boundaries in metals.",

keywords = "Helium bubbles, Interface wetting, ODS, STEM, Thin films",

author = "A. Mairov and D. Frazer and P. Hosemann and K. Sridharan",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd",

year = "2019",

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day = "15",

doi = "10.1016/j.scriptamat.2018.11.006",

language = "English",

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T1 - Helium irradiation of Y2O3-Fe bilayer system

AU - Mairov, A.

AU - Frazer, D.

AU - Hosemann, P.

AU - Sridharan, K.

PY - 2019/3/15

Y1 - 2019/3/15

N2 - Y2O3/Fe bilayer systems and associated interfaces with different crystallographic orientations were implanted with helium. High resolution scanning transmission electron microscopy (HRSTEM) analysis showed that implanted helium formed larger sized bubbles at the interface than within the individual film layers. The bubbles at the interface were located on the oxide side of the interface and only “wetted” a small area of the interface. In contrast, bubbles nucleating at grain boundaries within the iron layer were observed to symmetrically form across the grain boundaries, suggesting remarkable differences in helium bubble nucleation between metal/oxide interfaces and grain boundaries in metals.

AB - Y2O3/Fe bilayer systems and associated interfaces with different crystallographic orientations were implanted with helium. High resolution scanning transmission electron microscopy (HRSTEM) analysis showed that implanted helium formed larger sized bubbles at the interface than within the individual film layers. The bubbles at the interface were located on the oxide side of the interface and only “wetted” a small area of the interface. In contrast, bubbles nucleating at grain boundaries within the iron layer were observed to symmetrically form across the grain boundaries, suggesting remarkable differences in helium bubble nucleation between metal/oxide interfaces and grain boundaries in metals.

KW - Helium bubbles

KW - Interface wetting

KW - ODS

KW - STEM

KW - Thin films

UR - https://www.scopus.com/pages/publications/85056580104

U2 - 10.1016/j.scriptamat.2018.11.006

DO - 10.1016/j.scriptamat.2018.11.006

M3 - Article

AN - SCOPUS:85056580104

SN - 1359-6462

VL - 162

SP - 156

EP - 160

JO - Scripta Materialia

JF - Scripta Materialia

ER -

Helium irradiation of Y₂O₃-Fe bilayer system

Abstract

Keywords

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