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Phase evolution in PLD MgB2 films during the in situ annealing process

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dc.contributor.authorZhao, Y
dc.contributor.authorWu, Y S
dc.contributor.authorKong, C
dc.contributor.authorWexler, D
dc.contributor.authorVos, Maarten
dc.contributor.authorWent, Michael
dc.contributor.authorDou, S X
dc.date.accessioned2015-12-08T22:46:27Z
dc.date.issued2007
dc.date.updated2015-12-08T11:01:26Z
dc.description.abstractThe transformation of zero-field-cooled (ZFC) magnetization curves of PLD MgB2 films annealed in situ for different dwell times and at different temperatures is studied within the context of structural analysis. The PLD films were deposited using an off-axis geometry followed by two series of annealing conditions: the dwell time series and the annealing temperature series. ZFC magnetization curves were obtained in an MPMS magnetometer from samples that had been cut into similar shapes. XRD scans on the two series of film samples show enhanced (001) and (002) MgB2 peaks till a dwell time of 9min at a 650 °C and a 800 °C annealing temperature. TEM results show a granular transformation from an un-annealed film to a 700 °C 9min in situ annealed film. The possible structural development with annealing time and annealing temperature is then discussed.
dc.identifier.issn0953-2048
dc.identifier.urihttp://hdl.handle.net/1885/38149
dc.publisherInstitute of Physics Publishing
dc.sourceSuperconductor Science and Technology
dc.subjectKeywords: Electronic structure; Phase transitions; Rapid thermal annealing; Sampling; Time series analysis; Annealed films; Annealing conditions; Dwell time series; Phase evolution; Superconducting films
dc.titlePhase evolution in PLD MgB2 films during the in situ annealing process
dc.typeJournal article
local.bibliographicCitation.lastpageS471
local.bibliographicCitation.startpageS467
local.contributor.affiliationZhao, Y, University of Wollongong
local.contributor.affiliationWu, Y S, University of Wollongong
local.contributor.affiliationKong, C, University of New South Wales
local.contributor.affiliationWexler, D, University of Wollongong
local.contributor.affiliationVos, Maarten, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationWent, Michael, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationDou, S X, University of Wollongong
local.contributor.authoruidVos, Maarten, u9700295
local.contributor.authoruidWent, Michael, u3210150
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor020406 - Surfaces and Structural Properties of Condensed Matter
local.identifier.ariespublicationu4169254xPUB158
local.identifier.citationvolume20
local.identifier.doi10.1088/0953-2048/20/11/S32
local.identifier.scopusID2-s2.0-36448939797
local.type.statusPublished Version

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