Select Publications

Book Chapters

Harker SJ; Stewart GA; Okimoto H; Nishimura K; Hutchison WD, 2011, 'Magnetic properties of Nb1 − xHfxFe2', in ICAME 2011, Springer Netherlands, pp. 619 - 622, http://dx.doi.org/10.1007/978-94-007-4762-3_106

Stewart GA; Zukrowski J, 1982, '169Tm Mössbauer Study of TmCu2Si2', in Crystalline Electric Field Effects in f-Electron Magnetism, Springer US, pp. 319 - 325, http://dx.doi.org/10.1007/978-1-4684-8646-9_37

Zukrowski J; Stewart GA; Kalkowski G; Wortmann G; Wiesinger G, 1982, 'Mössbauer Studies of the Er6 (Fe1−yMny)23Hx System', in Crystalline Electric Field Effects in f-Electron Magnetism, Springer US, pp. 149 - 156, http://dx.doi.org/10.1007/978-1-4684-8646-9_14

Hutchison WD; Stewart GA; Harker SJ; Chaplin DH, 'The Nature of Line Broadening in Thermally Detected 57FeFe NMR', in HFI/NQI 2004, Springer Berlin Heidelberg, pp. 563 - 567, http://dx.doi.org/10.1007/3-540-30924-1_89

Journal articles

Teusner M; Mata J; Johannessen B; Stewart G; Cadogan S; Sharma N, 2023, 'Metal dicarboxylates as anode materials for Li-ion batteries', Materials Advances, 4, pp. 3224 - 3238, http://dx.doi.org/10.1039/d3ma00286a

Chen LD; Shu LH; Zhang BH; Liu L; Lei L; Shao Y; Huang FZ; Lv YY; Cheng ZX; Wang JL; Stewart GA; Cadogan JM; Hutchison WD; Zhou J; Liu XQ; Yao SH; Chen YB; Chen YF, 2023, 'Significant magneto-dielectric effect in SrNd2Fe2O7at room temperature', Applied Physics Letters, 122, http://dx.doi.org/10.1063/5.0136219

Stewart GA; Iles GN; Mole RA; Yamani Z, 2023, 'An inelastic neutron scattering investigation of holmium orthoferrite', Journal of Physics Condensed Matter, 35, http://dx.doi.org/10.1088/1361-648X/ac9e83

White R; Hutchison WD; Iles GN; Mole RA; Stewart GA; Cadogan JM; Namiki T; Nishimura K, 2020, 'Determination of the crystal field levels in TmV2Al20', Journal of Alloys and Compounds, 845, http://dx.doi.org/10.1016/j.jallcom.2020.156184

Campbell S; Chaplin D; Hutchison W; Stewart G, 2020, 'Professor geoffrey wilson (1938 – 2020)', Australian Physics, 57, pp. 20 - 22

Stewart GA; Cadogan JM; Hutchison WD; Ryan DH, 2019, 'A Mössbauer study of DyCrO4 and ErCrO4', AIP Advances, 9, http://dx.doi.org/10.1063/1.5079989

Berry AJ; Stewart GA; O'Neill HSC; Mallmann G; Mosselmans JFW, 2018, 'A re-assessment of the oxidation state of iron in MORB glasses', Earth and Planetary Science Letters, 483, pp. 114 - 123, http://dx.doi.org/10.1016/j.epsl.2017.11.032

Wang CH; Ainsworth CM; Champion SD; Stewart GA; Worsdale MC; Lancaster T; Blundell SJ; Brand HEA; Evans JSO, 2017, 'Crystal structure and magnetic modulation in β- C e2 O2FeS e2', Physical Review Materials, 1, http://dx.doi.org/10.1103/PhysRevMaterials.1.034403

Hutchison WD; Stewart GA; Cadogan JM; Princep A; Stewart R; Ryan DH, 2017, 'Magnetic ground state of Dy3+ in DyNiAl4', AIP Advances, 7, http://dx.doi.org/10.1063/1.4972997

Evans JP; Stewart GA; Cadogan JM; Hutchison WD; Mitchell EE; Downes JE, 2017, 'Magnetic structure of DyN: A Dy 161 Mössbauer study', Physical Review B, 95, http://dx.doi.org/10.1103/PhysRevB.95.054431

Susilo RA; Cadogan JM; Hutchison WD; Stewart GA; Avdeev M; Campbell SJ, 2017, 'Magnetic structure and spin reorientation of quaternary Dy2Fe2Si2C', Journal of Physics Condensed Matter, 29, http://dx.doi.org/10.1088/1361-648X/aa52f9

Stewart GA; Salama HA; Voyer CJ; Ryan DH; Scott D; O Neill HSC, 2015, 'A Mössbauer investigation of orthorhombic phase YbMnO3', Hyperfine Interactions, 230, pp. 195 - 203, http://dx.doi.org/10.1007/s10751-014-1092-x

Goossens DJ; Stewart GA; Lee WT; Studer AJ, 2015, 'Chemical and magnetic ordering in Fe0.5Ni0.5PS3', Hyperfine Interactions, 231, pp. 37 - 44, http://dx.doi.org/10.1007/s10751-014-1108-6

Stewart GA; Harker SJ; Hutchison WD; Amiet A; Tucker D, 2015, 'Microwave absorption and 57Fe Mossbauer properties of Ni-Ti doped barium hexaferrite', Hyperfine Interactions, http://dx.doi.org/10.1007/s10751-014-1116-6

Cadogan JM; Stewart GA; Munoz Perez S; Cobas R; Hansen BR; Avdeev M; Hutchison WD, 2014, 'Magnetic ordering in TmGa', Journal of Physics: Condensed Matter, 26, http://dx.doi.org/10.1088/0953-8984/26/11/116002

Hudspeth JM; Stewart GA; Studer AJ; Goossens DJ, 2011, 'Crystal and magnetic structures in Perovskite-related La 1-xCaxFeO3-ä(x=0.2, 0.33)', Journal of Physics and Chemistry of Solids, 72, pp. 1543 - 1547, http://dx.doi.org/10.1016/j.jpcs.2011.09.014

Harker S; Stewart GA; Okimoto H; Nishimura K; Hutchison WD, 2011, 'Magnetic properties of Nb1-xHfxFe2', Hyperfine Interactions, 219, http://dx.doi.org/10.1007/s10751-011-0445-y

Salama HA; Stewart GA; Hutchison WD; Nishimura K; Scott D; O Neill H, 2010, 'A 169Tm-Mossbauer spectroscopy investigation of orthorhombic phase o-TmMnO3', Solid State Communications, 150, pp. 289 - 291, http://dx.doi.org/10.1016/j.ssc.2009.11.002

Saensunon B; Stewart GA; Gubbens PCM; Hutchison WD; Buchsteiner A, 2010, 'Corrigendum: The crystal field interaction at the rare earth site in ErNiAl4', Journal of Physics: Condensed Matter, 22, pp. 029801, http://dx.doi.org/10.1088/0953-8984/22/2/029801

Saensunon B; Stewart GA; Nishimura K, 2009, 'Crystal field interaction at the Tm3+ site in TmCr2Si2', Journal of Alloys and Compounds, 476, pp. 49 - 53

Schiemer J; Withers R; Noren L; Liu Y; Bourgeois L; Stewart GA, 2009, 'Detailed phase analysis and crystal structure investigation of a Bi1-xCaxFeO3-x/2 perovskite-related solid solution phase and selected property measurements thereof', Chemistry of materials, 21, pp. 4223 - 4232, http://dx.doi.org/10.1021/cm901757h

Salama HA; Stewart GA, 2009, 'Exchange-induced Tm magnetism in multiferroic h-TmMnO3', Journal of Physics: Condensed Matter, 21, pp. 386001-1 - 386001-5

Saensunon B; Nishimura K; Voyer C; Ryan DH; Hutchison WD; Stewart GA, 2009, 'Magnetic ground state at the ytterbium site in YbNiAl4', Journal of Applied Physics, 105, pp. 07E123-1 - 07E123-3

Salama HA; Voyer C; Ryan DH; Stewart GA, 2009, 'Magnetic order of the rare earth sublattice in h-YbMnO3', Journal of Applied Physics, 105, pp. 07E110-1 - 07E110-3

Saensunon B; Stewart GA; Gubbens PC; Hutchison WD; Buchsteiner A, 2009, 'The crystal field interaction at the rare earth site in ErNiAl4', Journal of Physics: Condensed Matter, 21, pp. 124215-1 - 124215-5

Salama HA; Stewart GA; Ryan DH; Elouneg-Jamroz M; Edge AVJ, 2008, 'A Mössbauer spectroscopy investigation of h-YbMnO3', Journal of Physics Condensed Matter, 20, http://dx.doi.org/10.1088/0953-8984/20/25/255213

Saensunon B; Stewart GA; Pax RA, 2008, 'A combined 57Fe-Mossbauer and X-ray diffraction study of the ilmenite reduction process in a commercial rotary kiln', International Journal of Mineral Processing, 86, pp. 26 - 32

Salama HA; Stewart GA; Ryan DH; Elouneg-Jamroz M; Edge AV, 2008, 'A Mossbauer spectroscopy investigation of h-YbMnO3', Journal of Physics: Condensed Matter, 20, pp. 1 - 7

Low HR; Phonthammachai N; Maignan A; Stewart GA; Bastow TJ; Ma LL; White TJ, 2008, 'The crystal chemistry of ferric oxyhydroxyapatite', Inorganic Chemistry, 47, pp. 11774 - 11782

Stewart GA, 2007, 'Conference report - Wagga 2007', Physicist, 44, pp. 11 - 11

Harker S; Stewart GA; Gubbens PC; de Vroege CF, 2005, 'Crystal field interaction in RFe2Si2 (R = Er and Tm)', Journal of Alloys and Compounds, 402, pp. 17 - 20, http://www.sciencedirect.com/science/article/B6TWY-4GFCPSK-8/2/ab259157c71c399100d6c1ce657f8496

Stewart GA; Hutchison WD; Edge AV; Rupprecht K; Wortmann G; Nishimura K; Isikawa Y, 2005, 'The magnetic properties of GdNiAl4', Journal of Magnetism and Magnetic Materials, 292, pp. 72 - 78

Hutchison WD; Stewart GA; Harker S; Chaplin DH, 2005, 'The Nature of Line Broadening in Thermally Detected 57FeFe NMR', Hyperfine Interactions, 159, pp. 121 - 125

Jimenez E; Gubbens PC; Sakarya S; Stewart GA; de Reotier P; Yaouanc A; Isasi J; Saez-Puche R; Zimmermann U, 2004, 'Interplay between Tm3+ and Cr5+ magnetic sublattices in TmCrO4', Journal of Magnetism and Magnetic Materials, 272-76, pp. 568 - 570

Cadogan JM; Ryan DH; Stewart GA; Gagnon R, 2003, '166Er Mössbauer study of Er2Ge2O 7', Journal of Magnetism and Magnetic Materials, 265, pp. 199 - 203, http://dx.doi.org/10.1016/S0304-8853(03)00265-8

Cadogan JM; Ryan DH; Stewart GA; Gagnon R, 2003, '166Er Mossbauer study of Er2Ge2O7', Journal of Magnetism and Magnetic Materials, 265, pp. 199 - 203

Hutchison WD; Chaplin DH; Ohya S; Muto S; Nishimura K; Sato H; Kawamura Y; Stewart GA, 2003, 'NMRON studies of cold rolled cobalt foils', Physica B - Condensed Matter, 329-333, pp. 1083 - 1084

Stewart GA; Mcpherson IM; Gubbens PC; Kaiser CT; Dalmas de Reotier P; Yaouanc A; Cottrell SP, 2003, 'Search for magnetic Cu-Cu ordering in Gd2BaCuO5', Journal of Alloys and Compounds, 358, pp. 7 - 11

Stewart GA; Hutchison WD; Harker SJ; Chaplin DH, 2002, 'Mössbauer absorber detection of nuclear magnetic resonance at millikelvin temperature', Physical Review B - Condensed Matter and Materials Physics, 66, pp. 1344151 - 1344157

Harker S; van Dijk BD; Mulders AM; Gubbens PC; Stewart GA; de Vroege CF; Buschow KH, 2002, 'Crystal Fields and magnetic Interactions in TmT2Si2 (T = Co, Ni, Cu)', Journal of Physics: Condensed Matter, 14, pp. 2705 - 2714

Stewart GA; Hutchison WD; Harker S; Chaplin DH, 2002, 'Mossbauer Absorber Detection of Nuclear Magnetic Resonance at Milikelvin Temperature', Physical Review - Section B - Condensed Matter, 66, pp. 1344151 - 1344157

Flambaum V; Stewart GA; Russell GJ; Horvat J; Dou SX, 2002, 'The Effect of Hydrogenation on the Superconducting Transition Temperature of MgB2', Physica C - Superconductivity and Its Applications, 382, pp. 213 - 216

Flambaum V; Russell GJ; Stewart GA; Horvat J; Dou SX, 2002, 'The effect of hydrogeneration on the superconducting transition temperature of MgB2', Physica C - Superconductivity and Its Applications, 382, pp. 213 - 216

Stewart GA; Zukrowski J; Gubbens PC; van der Nol R; Harker S, 2001, 'Magnetic Behaviour in Tm2Fe3Si5', Journal of Magnetism and Magnetic Materials, pp. 93 - 98

Harker S; Stewart GA; Gubbens PC, 2000, 'Magnetic order and crystal fields in the Pnma phases of Tm2BaTO5 (T=Co and Ni)', Journal of Alloys and Compounds, pp. 70 - 76

Stewart GA; Harker S; Strecker M; Wortmann G, 2000, 'Mössbauer spectroscopy investigation of the Immm phase nickelates Gd2BaNiO5 and Tm2BaNiO5', Physical Review - Section B - Condensed Matter, pp. 6220 - 6226


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