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ANSTO Publications Online

Welcome to the ANSTO Institutional Repository known as APO.

The APO database has been migrated to version 8.3. 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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Recent Submissions

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    Diffusion of Nb in BaTi03 single crystal
    (Australasian Ceramic Society, 1998) Dupre, B; Ijjaali, M; Kowalski, K; Nowotny, J
    Diffusion coefficient of Nb in BaTiO3 was determined in the temperature range 1573-1773 K. The obtained diffusion data are in good agreement with the chemical diffusion coefficient of undoped BaTiO3. The process of Nb incorporation into BaTiO3 is not detectable below 1573 K.
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    Semiconducting properties of Cr-doped Co0
    (Australasian Ceramic Society, 1998) Dupre, B; Ijjaali, M; Kowalski, K; Nowotny, J
    Both electrical conductivity and thermopower were studied for Cr-doped CoO polycrystalline in the p(O2) range between 10-5 and 105 Pa and the temperature range between 1273 and 1373 K. The effect of Cr on the properties of CoO is discussed in terms of defect structure and semiconducting properties.
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    An X‐Ray absorption spectroscopy investigation into the fundamental structure of liquid metal alloys
    (Wiley, 2024-09-23) Meilak, JA; Zuraiqi, K; Mitchell, VD; Johannessen, B; Kerr, BV; Vaillant, PHA; Lamb, K; Aukarasereenont, P; Parker, CJ; Cataldo, T; Malherbe, F; Christofferson, AJ; Daeneke, T; Hocking, RK
    Gallium and gallium alloys have gained significant interest due to gallium's low melting point. This property allows for gallium‐based catalysts to take advantage of the unique reaction environments only available in the liquid state. While understanding of the catalytic properties of liquid metals is emerging, a comprehensive investigation into the fundamental structures of these materials has yet to be undertaken. Herein, the structure of liquid gallium, along with related liquid alloys EGaIn, EGaSn, and Galinstan are explored using X‐ray absorption spectroscopy (XAS). In contrast to some other studies that show dimers, analysis of the XAS data both in X‐ray absorption near edge structure and extended X‐ray absorption fine structure shows that when fully dissolved the materials are largely homogenous with no obvious signs of local structures. Ga shows a bond contraction when melted which is consistent with its increase in density; however, an expansion in bond length is observed when alloyed with In and Sn. XAS data indicate that the effective nuclear charge (Zeff) of In and Sn follows the trend expected based on electronegativity. Molecular dynamic (MD) simulations are performed to simulate the structure and trends between MD and XAS; the trends agree well but MD overestimates bond lengths. © 2024 The Author(s). Small Science published by Wiley-VCH GmbH. Open Access CC-BY.
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    Probing structural modification of milk proteins in the presence of pepsin and/or acid using small- and ultra-small-angle neutron scattering
    (Elsevier, 2025-02) Yang, MX; Ye, AQ; Yang, Z; Everett, DW; de Campo, L; Singh, H; Gilbert, EP
    Acid- and pepsin-induced milk protein coagulation plays a crucial role in the gastric digestion of milk. Real-time structural evolution at a nano- (e.g. colloidal calcium phosphate (CCP) and micelle) and micro- (gel network) level of unheated and heated (85 °C for 30 min) bovine milk was examined under acidic conditions and at low and high concentrations of pepsin using ultra-small- and small-angle neutron scattering (USANS and SANS), small-amplitude oscillatory rheometry and confocal scanning laser microscopy. Milk was treated with glucono-δ-lactone (GDL), pepsin or a combination of GDL and pepsin to induce coagulation. Heat-treated milk showed a faster increase in elastic storage modulus (G′) and scattering intensity (USANS and SANS) compared with unheated milk when coagulated with GDL or the combination of GDL and pepsin. At pH 6.3, heat treatment retarded pepsin (1.10 U/mL)-induced milk coagulation, with slower increases in G′ and scattering intensity. At a high concentration of pepsin (2000 U/mL) that mimics the concentration found in the stomach, general proteolysis followed coagulation. Heat treatment retarded coagulation but accelerated curd proteolysis. This study demonstrates how time-resolved USANS and SANS can be used to investigate the structural evolution of protein coagulation and degradation under gastric environment conditions at nano- and micro-metre length scales. © 2024 The Authors. Published by Elsevier Ltd. Open Access CC-BY
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    Effects of Lu-doping on the magnetic behaviour and ordering of (Ho Lu )2Fe2Si2C
    (Elsevier, 2024-12-15) Susilo, RA; Cadogan, JM; Hutchison, WD; Avdeev, M; Campbell, SJ
    We have investigated the effects of Lu substitution on the magnetic behaviour and ordering of (Ho Lu)2Fe2Si2C (= 0.32 and 0.46) by high-resolution neutron powder diffraction, magnetisation and specific heat over the temperature range 2 to 300 K. Our study has established that the antiferromagnetic (AFM) state is weakened upon Lu substitution and that the Néel temperature T shifts towards lower temperature with increasing Lu content. The replacement of the magnetic Ho ion by the non-magnetic Lu ion of smaller atomic radius, leads to a modification of the crystal field levels, as indicated by the specific heat measurements. Neutron diffraction data analysis reveals that the magnetic structure of undoped Ho2Fe2Si2C, which exhibits a commensurate, antiferromagnetic ordering of the Ho sublattice along the -axis with a propagation vector k = [0, 0, ], is maintained in the Lu-doped (Ho Lu)2Fe2Si2C compounds. © 2024 Elsevier B.V.