Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2

Scanning transmission electron microscopy in high angle annular dark field mode has been used to undertake a characterisation study with sub-nanometric spatial resolution of the barrier formation process for a Cu(Mn) alloy (90%/10%) deposited on SiO2. Electron energy loss spectroscopy (EELS) measure...

Full description

Bibliographic Details
Main Authors: Lozano, J, Bogan, J, Casey, P, McCoy, A, Hughes, G, Nellist, P
Format: Journal article
Language:English
Published: American Institute of Physics Inc. 2013
_version_ 1826292342361948160
author Lozano, J
Bogan, J
Casey, P
McCoy, A
Hughes, G
Nellist, P
author_facet Lozano, J
Bogan, J
Casey, P
McCoy, A
Hughes, G
Nellist, P
author_sort Lozano, J
collection OXFORD
description Scanning transmission electron microscopy in high angle annular dark field mode has been used to undertake a characterisation study with sub-nanometric spatial resolution of the barrier formation process for a Cu(Mn) alloy (90%/10%) deposited on SiO2. Electron energy loss spectroscopy (EELS) measurements provide clear evidence for the expulsion of the alloying element to the dielectric interface as a function of thermal annealing where it chemically reacts with the SiO2. Analysis of the Mn L23 intensity ratio in the EELS spectra indicates that the chemical composition in the barrier region which has a measured thickness of 2.6 nm is MnSiO3. © 2013 Author(s).
first_indexed 2024-03-07T03:13:12Z
format Journal article
id oxford-uuid:b4ea1b26-9a1a-442c-a6a2-33c6796bf956
institution University of Oxford
language English
last_indexed 2024-03-07T03:13:12Z
publishDate 2013
publisher American Institute of Physics Inc.
record_format dspace
spelling oxford-uuid:b4ea1b26-9a1a-442c-a6a2-33c6796bf9562022-03-27T04:29:32ZScanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b4ea1b26-9a1a-442c-a6a2-33c6796bf956EnglishSymplectic Elements at OxfordAmerican Institute of Physics Inc.2013Lozano, JBogan, JCasey, PMcCoy, AHughes, GNellist, PScanning transmission electron microscopy in high angle annular dark field mode has been used to undertake a characterisation study with sub-nanometric spatial resolution of the barrier formation process for a Cu(Mn) alloy (90%/10%) deposited on SiO2. Electron energy loss spectroscopy (EELS) measurements provide clear evidence for the expulsion of the alloying element to the dielectric interface as a function of thermal annealing where it chemically reacts with the SiO2. Analysis of the Mn L23 intensity ratio in the EELS spectra indicates that the chemical composition in the barrier region which has a measured thickness of 2.6 nm is MnSiO3. © 2013 Author(s).
spellingShingle Lozano, J
Bogan, J
Casey, P
McCoy, A
Hughes, G
Nellist, P
Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2
title Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2
title_full Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2
title_fullStr Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2
title_full_unstemmed Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2
title_short Scanning transmission electron microscopy investigations of self-forming diffusion barrier formation in Cu(Mn) alloys on SiO2
title_sort scanning transmission electron microscopy investigations of self forming diffusion barrier formation in cu mn alloys on sio2
work_keys_str_mv AT lozanoj scanningtransmissionelectronmicroscopyinvestigationsofselfformingdiffusionbarrierformationincumnalloysonsio2
AT boganj scanningtransmissionelectronmicroscopyinvestigationsofselfformingdiffusionbarrierformationincumnalloysonsio2
AT caseyp scanningtransmissionelectronmicroscopyinvestigationsofselfformingdiffusionbarrierformationincumnalloysonsio2
AT mccoya scanningtransmissionelectronmicroscopyinvestigationsofselfformingdiffusionbarrierformationincumnalloysonsio2
AT hughesg scanningtransmissionelectronmicroscopyinvestigationsofselfformingdiffusionbarrierformationincumnalloysonsio2
AT nellistp scanningtransmissionelectronmicroscopyinvestigationsofselfformingdiffusionbarrierformationincumnalloysonsio2