ANSTO Publications Online

Welcome to the ANSTO Institutional Repository known as APO.

The APO database has been migrated to version 7.5. The functionality has changed, but the content remains the same.

ANSTO Publications Online is a digital repository for publications authored by ANSTO staff since 2007. The Repository also contains ANSTO Publications, such as Reports and Promotional Material. ANSTO publications prior to 2007 continue to be added progressively as they are in identified in the library. ANSTO authors can be identified under a single point of entry within the database. The citation is as it appears on the item, even with incorrect spelling, which is marked by (sic) or with additional notes in the description field.

If items are only held in hardcopy in the ANSTO Library collection notes are being added to the item to identify the Dewey Call number: as DDC followed by the number.

APO will be integrated with the Research Information System which is currently being implemented at ANSTO. The flow on effect will be permission to publish, which should allow pre-prints and post prints to be added where content is locked behind a paywall. To determine which version can be added to APO authors should check Sherpa Romeo. ANSTO research is increasingly being published in open access due mainly to the Council of Australian University Librarians read and publish agreements, and some direct publisher agreements with our organisation. In addition, open access items are also facilitated through collaboration and open access agreements with overseas authors such as Plan S.

ANSTO authors are encouraged to use a CC-BY licence when publishing open access. Statistics have been returned to the database and are now visible to users to show item usage and where this usage is coming from.

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Effect of stainless steel can/glass-ceramic interaction layer on aqueous durability
(Materials Research Society, 2007) McGlinn, PJ; Zhang, YJ; Li, HJ; Payne, TE
Calcined high-level radioactive waste (HLW) stored at the Idaho National Laboratory (LNL) will eventually be immobilised in a suitable wasteform before disposal. A tailored glass-ceramic wasteform, produced by hot isostatic pressing (HIPing) in stainless steel (SS) cans, has been developed at the Australian Nuclear Science & Technology Organisation (ANSTO) as a costsaving alternative to glass which would improve waste loading and density, and reduce waste volume. We have studied the SS/wasteform interactions under HIPing conditions to understand whether such interactions would have any detrimental effect on long-term wasteform stability. This has been demonstrated by carrying out aqueous durability tests, under near-neutral and alkaline conditions, on the wasteform at the interaction layer, and on the wasteform distal to this reaction edge. Reaction during HIPing resulted in verifiable Cr diffusion from the can wall into the wasteform, yet without any detectable detrimental impact on the HIP can or the aqueous durability of the wasteform. © 2007 Materials Research Society.
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Connecting the disconnected: longitudinal correlation of river terrace remnants
(International Association of Hydrological Sciences, 2008-12-01) Cheetham, MD; Keene, AF; Erskine, WD; Bush, RT; Jacobsen, GE
Terrace sequences provide insights into flood plain development. Many studies have examined the cross-sectional morphology and correlation of terraces, but this is only part of the story. Longitudinal correlation can provide a far greater insight into flood plain development processes and the spatial significance of these processes. Here we examine flood plain development from the longitudinal correlation of river terrace sequences in a sand-dominated flood plain. The terrace remnants are discontinuous, having been separated longitudinally by the partial erosion of the flood plain. Terraces along the study reach ranged from recently abandoned (490 ± 60 yBP), poorly developed, vertically accreted flood plains to weathered, early Holocene deposits (10 050 ± 260 yBP). They occurred as inset, fill features which indicated successive phases of alluvial erosion and deposition as well as burial of previous terrace surfaces. Terrace morphology alone did not provide sufficient evidence of longitudinal correlation. Sedimentology and chronology were also vital in correlating these remnants. Four terraces (the Baramul Sequence) were identified in the reach showing progressively younger characteristics and ages. The longitudinal correlation of each discontinuous terrace remnant shows considerable variation over time in response to gradient changes, discharge, sediment size and stream sinuosity. Results show that climate and the local exceedence of geomorphic thresholds have influenced river terrace formation and highlight the significance of chronology in establishing longitudinal correlation of terrace remnants with varying morphology. The Baramul Sequence shows a progressive relative fall in bed-level and reduction in slope over the Holocene. This is likely to have been accompanied by progressive contraction of the channel and indicates a reduction in mean discharge over the last 6-7 ka. © 2008 IAHS Press.
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Effect of chromium-doping on the crystallization and phase stability in anodized TiO2 nanotubes
(2013-04-08) Low, IM; Albetran, H; De La Prida, V; Manurung, P; Ionescu, M
Production of limitless hydrogen fuel by visible light splitting of water using the photoelectrochemical technology is cost-effective and sustainable. To make this an attractive viable technology will require the design of TiO 2 photocatalyst capable of harnessing the energy of visible light. One possible solution is the doping of TiO2 to reduce its band gap. In this paper, the effect of Cr-doping by ion-implantation on the crystallisation and phase stability of TiO2 nanotubes at elevated temperature is described. The effect of Cr-doping on the resultant microstructures, phase changes and composition depth profiles are discussed in terms of synchrotron radiation diffraction, scanning electron microscopy, and ion-beam analysis by Rutherford backscattering spectrometry. © The American Ceramic Society
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Aquifer interactions and their impact on groundwater resources in the Basalt plains of Western Victoria, Australia
(Taylor and Francis, 2007) Raiber, M; Webb, JA; Jacobsen, GE; Chisari, R; Neklapilova, B
South of the West Victorian Uplands in southeastern Australia, a series of palaeorivers (so-called "deep leads"), buried beneath 30-120m of basalt, form a complex aquifer system (the Streatham Deep Lead System) which extends over an area of more than 2500 km 2. Groundwater quality both within the unconfined basalt aquifer and the deep lead aquifer ranges from high (suitable for human consumption) to very saline. Combining analyses of several natural environmental isotopes with hydraulic data show that the two aquifers are separated over much of the area. However, preferential recharge to the deep lead system occurs through eruption points, resulting in good quality groundwater in both aquifers in these areas. © 2007 Taylor & Francis Group, London.
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Hydrogen measurements in SiNx: H/Si thin films by ERDA
(Trans Tech Publications Ltd., 2007-01-01) Ionescu, M; Richards, B; McIntosh, K; Siegele, R; Stelcer, E; Cohen, DD; Chandra, T
Thin SiN film deposited on Si by plasma enhanced chemical vapour deposition (PECVD) is used for surface passivation of Si. During the PECVD process Hydrogen is incorporated into the SiN film, and the passivation properties of the resulting SiNx:H layers play an important role in enhancing the energy conversion efficiency of solar cells. It is believed that the Hydrogen present in SiNx:H is responsible for this enhancement, and therefore its concentration in the passivating layer is an important parameter. The Hydrogen composition and its depth profile in thin SiNx:H films of 20nm to 200nm was measured by elastic recoil detection analysis (ERDA), using a 1.7MeV He+ ion beam of (1×2)mm2 , generated by a high stability 2MV Tandetron ion beam accelerator. Simultaneously, Rutherford backscattering (RBS) spectra were recorded for each sample. The results show that the Hydrogen concentration in the SiNx:H layers is dependent of the deposition conditions. Also, Hydrogen was found to be homogenously distributed across the SiNx:H layer thickness, and the SiN x:H/Si interfaces were well defined. © 2007 Trans Tech Publications Ltd.