Select Publications

Conference Papers

Hutchison W; Stewart GA; Cadogan JM, 2015, 'Magnetic ground state of Dy3+ in DyNiAl4', in Lewis R; Zhang C (ed.), Australian Institute of Physics, Wagga Wagga, NSW, Australia, pp. WP15-1 - WP15-4, presented at 39th Annual Condensed Matter and Materials Meeting, Wagga Wagga, NSW, Australia, 03 February 2015 - 06 February 2015, http://www.aip.org.au/info/sites/default/files/cmm/2015/Wagga2015_6_WP15_Hutchison.pdf

Allison M; Liu S; Stewart GA; Ling C; Sohnel T, 2014, 'Exploring the Properties of Complex Layered Tin Cluster Compounds', in Proceedings of the 38th Annual Condensed Matter & Materials Meeting, Australian Institute of Physics, New Zealand, pp. 6 - 9, presented at 38th Annual Condensed Matter & Materials Meeting, New Zealand, 04 February 2014 - 07 February 2014, http://www.aip.org.au/info/?q=content/38th-annual-condensed-matter-and-materials-meeting-new-zealand-2014

Stewart GA; hutchison W; Yamani Z; Cadogan JM; Ryan DH, 2014, 'Identifying further inelastic neutron crystal field transitions in ErNiAl4', in Soehnel T (ed.), Proceedings of the 38th Annual Condensed Matter and Materials Meeting - Waiheke Island, New Zealand, Australian Institute of Physics, Waiheke Island, Auckland, New Zealand, pp. 24 - 27, presented at 38th Annual Condensed Matter and Materials Meeting, Waiheke Island, Auckland, New Zealand, 04 February 2014 - 07 February 2014, http://www.aip.org.au/info/sites/default/files/cmm/2014/6tp13.pdf

Stewart GA, 2013, 'Exploiting Fitted Electric Field Gradient Parameters: Axis Ambiguity and the Asymmetry Parameter Constraint, 0 ≤ η ≤1', in Proceedings - 37th Annual Condensed Matter and Materials Meeting, 37th Annual Condensed Matter and Materials Meeting, Wagga Wagga, presented at 37th Annual Condensed Matter and Materials Meeting, Wagga Wagga, 05 February 2013 - 08 February 2013, http://www.aip.org.au/info/sites/default/files/cmm/2013/tp25.pdf

Stewart GA; Cadogan JM; Cobas R; Munoz Perez S, 2012, 'The Magnetic Hyperfine Field at the 169Tm-site in TmFe11Ti', in Proceedings of the 20th Annual Australian Institute of Physics Congress, Sydney, pp. 1 - 4, presented at 20th Annual Australian Institute of Physics Congress, Sydney, 09 December 2012 - 13 December 2012, http://www.aip.org.au/info/?q=content/2012-aip-congress-full-papers

Stewart GA; Lee-hone N; Ryan D, 2012, 'An 166Er-Mössbauer investigation of ErCr2Si2', in Book of abstracts, Sixth Joint European Magnetic Symposia, Parma, Italy, pp. 73 - 73, presented at Sixth Joint European Magnetic Symposia, Parma, Italy, 09 September 2012 - 14 September 2012

Ryan DH; Lee-hone N; Stewart GA, 2012, 'An 166Er-Mössbauer investigation of ErNiAl4', in Solid State Phenomena, Trans. Tech. Publications, Switzerland, pp. 84 - 87, presented at 18th International Conference on Solid Compounds of Transtition Elements, SCTE 2012, Lisbon, Portugal, 31 March 2012 - 05 April 2012, http://dx.doi.org/10.4028/www.scientific.net/SSP.194.84

Harker S; Stewart GA; Okimoto H; Nishimura K; Hutchison WD, 2012, 'MAGNETIC PROPERTIES OF Nb1-XHfXFe2', in Proceedings of the 36th Annual Condensed Matter and Materials Meeting, Australian Institute of Physics, Australia, pp. tp20, p112, presented at 36th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga NSW, 31 January 2012 - 03 February 2012

Pax R; Stewart GA, 2012, 'Quantitative Determination of Phases Using Mössbauer Spectroscopy and X-ray Diffraction: A Case Study of the Fe-Ti-O System', in Proceedings of the 36th Annual Condensed Matter and Materials Meeting, 36th Annual ANZIP Condensed Matter and Materials Meeting, Australia, pp. TP31:1 - TP31:4, presented at 36th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga NSW, 31 January 2012 - 03 February 2012, http://www.aip.org.au/wagga2012/TP31.pdf

Yildirim B; Stewart GA; Riesen HA, 2012, 'Structural and Optical Properties of Nanocrystalline LiGa5O8:Fe3+', in Proceedings of the 36th Annual Condensed Matter and Materials Meeting, Australian Institute of Physics, Australia, pp. WP37:1 - WP37:4, presented at 36th Condensed Matter and Materials Meeting, Wagga Wagga, 31 January 2012 - 03 February 2012, http://www.aip.org.au/wagga2012/

Harker S; Okimoto H; Stewart GA; Nishimura K; Hutchison WD, 2011, 'An 57Fe Mossbauer study of the magnetic phase diagram for Nb1-xHfxFe2', in Micolich A (ed.), Proceedings of 35th Annual Condensed Matter and Materials Meeting, Wagga Wagga 2011, Australian Institute of Physics, Australia, pp. 71, presented at 35th Annual Condensed Matter and Materials Meeting, 2011, Wagga Wagga NSW, 01 February 2011 - 04 February 2011

Mallmann G; Stewart GA; O Neill H, 2010, 'A Mossbauer Study of the Fe Oxidation State in a Basalt-like Silicate Melt', in Proceedings of the 19th Australian Institute of Physics Congress, IOP, Australia, pp. 1 - 3, presented at 19th Australian Institute of Physics Congress, Melbourne, 05 December 2010 - 09 December 2010

Salama HA; Stewart GA; Nishimura K; Hutchison WD; Scott D; O Neill H; Voyer C; Ryan DH, 2010, 'Hysteresis effects in o-YbMnO3?', in Sohnel T (ed.), Handbook of the 34th Annual Condensed Matter and Materials Meeting, Australian Institute of Physics, Australia, pp. p 68, presented at 34th Annual Condensed Matter and Materials Meeting 2010, Waiheke Island Resort, Auckland, New Zealand, 02 February 2010 - 05 February 2010

Saensunon B; Stewart GA; Gubbens PCM; Russina M; Kemner E, 2010, 'The crystal field schemes for Er3+ in ErCr2Si2 and ErMn2Si2', in Proceedings of the 34th Annual Condensed Matter and Materials Meeting, Australian Institute of Physics, Australia, presented at 34th Annual Condensed Matter and Materials Meeting 2010, Waiheke Island Resort, Auckland, New Zealand, 02 February 2010 - 05 February 2010, http://www.aip.org.au/wagga2010/2010_17.pdf

Stewart GA, 2009, 'Characterization of the crystal field interaction in rare earth intermetallics using Mossbauer spectroscopy', in Journal of Physics: Conference Series 264, Institute of Physics, UK, presented at International Conference on the Applications of the Mossbauer Effect, Vienna, Austria, 19 July 2009 - 24 July 2009, http://dx.doi.org/10.1088/1742-6596/217/1/012071

Salama HA; Stewart GA; Nishimura K; Scott D; O Neill H, 2009, 'A 169Tm-Mossbauer spectroscopy investigation of orthorhombic phase TmMnO3', in Muller H (ed.), Handbook of the International Conference on the Applications of the Mossbauer Effect, Institute of Solid State Physics, Austria, pp. T09-56 - T09-56, presented at International Conference on the Applications of the Mossbauer Effect, Vienna, Austria, 19 July 2009 - 24 July 2009

Salama HA; Stewart GA, 2009, 'Modelling the temperature dependence of the local 4b-site Tm moment in hexagonal phase TmMnO3', in Handbook of the Symposium on Neutron Scattering and Magnetism (on the occasion of the 70th birthday of Dr Trevor Hicks), AINSE, Australia, pp. 20 - 20, presented at Symposium on Neutron Scattering and Magnetism, Lucas Heights, 20 April 2009

Saensunon B; Stewart GA; Gubbens PC; Hutchison WD; Buchsteiner A, 2009, 'The crystal field interaction at the rare earth site in ErNiAl4', in Handbook of the Symposium on Neutron Scattering and Magnetism (on the occasion of the 70th birthday of Dr Trevor Hicks), AINSE, Australia, pp. 12 - 12, presented at Symposium on Neutron Scattering and Magnetism, Lucas Heights, 20 April 2009

Salama HA; Stewart GA, 2009, 'Exchange-induced Tm Magnetism in Multiferroic h-TmMnO3', in Handbook of the 33rd Annual Condensed Matter and Materials Meeting, AIP, Australia, pp. 27 - 27, presented at 33rd Annual Condensed Matter and Materials Meeting, Wagga Wagga, NSW, Australia, 04 February 2009 - 06 February 2009

Salama HA; Stewart GA, 2009, 'Influence of Fe on the magnetic properties of h-Yb(Mn1-xFex)O3', in Proceedings of the 33rd Annual Condensed Matter and Materials Meeting, Australian Institute of Physics, Australia, presented at 33rd Annual Condensed Matter and Materials Meeting, Wagga Wagga, NSW, Australia, 04 February 2009 - 06 February 2009

Saensunon B; Nishimura K; Stewart GA, 2009, 'The magnetic ground state of the Tm3+ site in TmMn2Si2', in Proceedings of the 33rd Annual Condensed Matter and Materials Meeting, Australian Institute of Physics, Australia, presented at 33rd Annual Condensed Matter and Materials Meeting, Wagga Wagga, NSW, Australia, 04 February 2009 - 06 February 2009

Hutchison WD; Goossens DJ; Studer AJ; Avdeev M; Saensunon B; Stewart GA, 2008, 'A recent low temperature measurement of OPAL - magnetic structure of ErNiAl4', in Riley D (ed.), Conference Handbook: 7th AINSE/ANBUG Neutron Scattering Symposium, Lucas Heights, Australia, presented at 7th AINSE / ANBUG Neutron Scattering Symposium AANSS 2008, Lucas Heights, Australia, 08 December 2008 - 10 December 2008

Salama HA; Stewart GA; Nishimura K; Scott D; O Neill H, 2008, 'A Mossbauer investigation of o-YbMnO3', in Cortie MB (ed.), Conference Handbook of the 32nd Annual Condensed Matter and Materials Meeting, 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, pp. 72 - 72, presented at 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 30 January 2008 - 01 February 2008

Saensunon B; Stewart GA, 2008, 'Crystal field interaction at the Tm site in TmCr2Si2', in Cortie MB (ed.), Conference Handbook of the 32nd Annual Condensed Matter and Materials Meeting, 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, pp. 70 - 70, presented at 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 30 January 2008 - 01 February 2008

Saensunon B; Nishimura K; Stewart GA, 2008, 'Lattice specific heat for the intermetallic series RCr2Si2 (R=rare earth)', in 32nd Annual Condensed Matter and Materials Meeting, 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, presented at 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 30 January 2008 - 01 February 2008

Hutchison WD; Saensunon B; Ahlefeldt R; Stewart GA, 2008, 'Magnetic ordering temperatures across the RNiAl4 series', in 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, presented at 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 30 January 2008 - 01 February 2008

Salama HA; McLean NS; Moyle NB; Stewart GA, 2008, 'Refinement of the Structural Phase Diagram for Calcium-doped RMnO3 (R=rare earth)', in 32nd Annual Condensed Matter and Materials Meeting, 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, presented at 32nd Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 30 January 2008 - 01 February 2008

Saensunon B; Stewart GA; Gubbens PC; Hutchison WD; Buchsteiner A, 2007, 'The crystal field parameters for Er3+ in ErNiAl4', in Ling C (ed.), AANSS 2007 6th AINSE / ANBUG Neutron Scattering Symposium, Lucas Heights, NSW, pp. 49 - 49, presented at AANSS 2007 6th AINSE / ANBUG Neutron Scattering Symposium, Lucas Heights, NSW, 04 December 2007 - 06 December 2007

Hutchison WD; Goossens DJ; Saensunon B; Stewart GA; Avdeev M; Nishimura K, 2007, 'Magnetic Order Studies of ErNiAl4', in 31st Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, presented at 31st Annual Condensed Matter and Materials Meeting 2007, Charles Sturt University, Wagga Wagga, 06 February 2007 - 09 February 2007

Salama HA; Scott D; Taboada JB; Strickland N; O Neill HS; Stewart GA, 2007, 'Preparation of orthorhombic phase YbMnO3 and Yb2/3Ca1/3MnO3', in 31st Condensed Matter and Materials Meeting, 31st Annual Condensed Matter and Materials Meeting 2007, Charles Sturt University, Wagga Wagga, presented at 31st Annual Condensed Matter and Materials Meeting 2007, Charles Sturt University, Wagga Wagga, 06 February 2007 - 09 February 2007

Saensunon B; Nishimura K; Stewart GA, 2007, 'The magnetic environment of the rare earth site in RT2Si2 compounds (R = rare earth, T = Cr & Mn)', in 31st Condensed Matter and Materials Meeting, 31st Annual Condensed Matter and Materials Meeting 2007, Charles Sturt University, Wagga Wagga, presented at 31st Annual Condensed Matter and Materials Meeting 2007, Charles Sturt University, Wagga Wagga, 06 February 2007 - 09 February 2007

Hutchison WD; Goossens DJ; Saensunon B; Stewart GA; Avdeev M; Nishimura K, 2006, 'Magnetic order studies of RNiAl4', in Ling C (ed.), 5th AINSE/ANBUG Neutron Scattering Symposium (AANSS 2006), Lucas Heights, NSW, presented at 5th AINSE/ANBUG Neutron Scattering Symposium (AANSS 2006), Lucas Heights, NSW, 11 December 2006 - 13 December 2006

Saensunon B; Stewart GA; Gubbens PC; Hutchison WD; Buchsteiner A, 2006, 'The crystal field scheme for Er3+ in ErNiAl4', in Ling C (ed.), 5th AINSE/ANBUG Neutron Scattering Symposium (AANSS 2006), Lucas Heights, NSW, pp. 61 - 61, presented at 5th AINSE/ANBUG Neutron Scattering Symposium (AANSS 2006), Lucas Heights, NSW, 11 December 2006 - 13 December 2006

Saensunon B; Stewart GA; Pax RA, 2006, 'Ilemenite Reduction Process', in Avdeed M; Yu D; Stampfl A (eds.), 30th Annual ANZIP Condensed Matter and Materials Meeting, 30th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga, NSW, pp. TP25 - TP25, presented at 30th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga, NSW, 07 February 2006 - 10 February 2006

Tucker D; Stewart GA; Amiet A; Edge AV, 2006, 'Microwave Absorption Properties of Ni-Ti Doped Barium Hexaferrite', in Avdeed M; Yu D; Stampfl A (eds.), 30th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga, NSW, pp. TP24 - TP24, presented at 30th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga, NSW, 07 February 2006 - 10 February 2006

Wang J; Kaczmarek WA; Campbell SJ; Stewart GA; Birou P; Lawes G; James M, 2006, 'Structural and Magnetic properties of Y1-xSrxFeO3 - 57Fe Moessbauer Study', in Avdeev M; Yu D; Stampfl A (eds.), Australian and New Zealand Institutes of Physics (ANZIP)30th Annual Condensed Matter and Materials Meeting, Wagga Wagga, NSW, presented at 30th Annual ANZIP Condensed Matter and Materials Meeting, Wagga Wagga, NSW, 07 February 2006 - 10 February 2006

Jimenez E; Gubbens PC; Stewart GA; Harker S; Robinson D; Dalmas de Reotier P; Yaouanc A; Isasi J; Saez-Puche R, 2005, 'Magnetic and structural properties of thulium chromate', in Campbell S; Cadogan S; Hauser N; James M; Furusaka M; Osburn R; Wilson C (eds.), International Conference on Neutron Scattering ICNS2005, ICNS 2005: 8th International Conference on Neutron Scattering ICNS 2005, Sydney, pp. 107 - 107, presented at ICNS 2005: 8th International Conference on Neutron Scattering ICNS 2005, Sydney, 27 November 2005 - 02 December 2005

Stewart GA; Harker S; Mcpherson IM; Edge AV, 2005, 'An Alternative Interpretation of Mossbauer Spectra for 57Fe-doped Lanthanum Calcum Manganite', in 16th National Congress: Physics for the Nation, 16th National Congress: Physics for the Nation, Australian National University, Canberra, presented at 16th National Congress: Physics for the Nation, Australian National University, Canberra, 30 January 2005 - 04 February 2005

Harker S; Stewart GA; Gubbens PC; de Vroege CF, 2005, 'Crystal field interaction in RFe2Si2 (R=Er,Tm)', in Colla M (ed.), 16th National Congress: Physics for the Nation, Australian National University, Canberra, pp. 194 - 194, presented at 16th National Congress: Physics for the Nation, Australian National University, Canberra, 30 January 2005 - 04 February 2005

Jimenez E; Gubbens PC; Stewart GA; Harker S; Robinson D; Dalmas de Reotier P; Yaouanc A; Isasi J; Saez-Puche R, 2005, 'Interplay between Tm and Cr magnetic sublattices in TmCrO4', in Colla M (ed.), 16th National Congress: Physics for the Nation, 16th National Congress: Physics for the Nation, Australian National University, Canberra, pp. 175 - 175, presented at 16th National Congress: Physics for the Nation, Australian National University, Canberra, 30 January 2005 - 04 February 2005

Browne NB; Edge AV; Powell MW; Stewart GA, 2005, 'The Neel temperature for YbMnO3', in Colla M (ed.), 16th National Congress: Physics for the Nation, 16th National Congress: Physics for the Nation, Australian National University, Canberra, pp. 194 - 194, presented at 16th National Congress: Physics for the Nation, Australian National University, Canberra, 30 January 2005 - 04 February 2005

Jones M; Suder MM; Amiet A; Edge AV; Stewart GA; Hutchison WD; Jewsbury P, 2004, 'A Comparison of the Influence of Different Dopants on the Radar-absorbing Properties of Barium Hexaferrite', in WAGGA '97, Charles Sturt University, Wagga Wagga, NSW, pp. WP25, presented at 28th Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 03 February 2004 - 06 February 2004

Stewart GA; Hutchison WD; Edge AV; Rupprecht K; Wortmann G; Nishimura K; Ishikawa Y, 2004, 'The Magnetic Properties of GdNiAl4', in WAGGA '97, Charles Sturt University, Wagga Wagga, NSW, presented at 28th Annual Condensed Matter and Materials Meeting, Charles Sturt University, Wagga Wagga, NSW, 03 February 2004 - 06 February 2004

Stewart GA; Hutchison WD; Harker S; Chaplin DH, 2000, 'Mossbauer detection of nuclear magnetic resonance at millikelvin temperatures', in 14th National Congress of the Australian Institute of Physics, Adelaide, Sth Aust, pp. MT13, presented at 14th National Congress of the Australian Institute of Physics, Adelaide, Sth Aust, 10 December 2000 - 15 December 2000

Mcpherson IM; Harker S; Stewart GA; Edge AV; Chaplin DH; Strecker M; Wortmann G, 2000, 'An overview of Mossbauer investigations for some perovskite manganites R2/3A1/3MnO3 (R=La,Gd,Tm; A-Ca,Sr,Ba)', in WAGGA '97, 24th Annual Condensed Matter Physics Meeting of the Australian and New Zealand Institutes of Physics, Wagga Wagga, NSW, pp. FM5, presented at 24th Annual Condensed Matter Physics Meeting of the Australian and New Zealand Institutes of Physics, Wagga Wagga, NSW, 01 February 2000 - 04 February 2000

Mcpherson IM; Harker S; Stewart GA; Edge AV; Unknown , 1999, 'On probing the colossal magnetoresistance material La2/3Ca1/3MnO3 with a dilute concentration of 57Fe', in Mössbauer RJ (ed.), International Conference on the Applications of the Mossbauer Effect (ICAME 99), International Conference on the Applications of the Mössbauer Effect (ICAME 99), Garmisch-Partenkirchen, Germany, pp. T7/23, presented at International Conference on the Applications of the Mössbauer Effect (ICAME 99), Garmisch-Partenkirchen, Germany, 29 August 1999 - 03 September 1999

Byrne A; Chaplin DH; Hutchison WD; Stewart GA, 1999, 'ADFA/ANU 150 keV Radioactive Ion Implanter', in Clark R; Jones R; Dzurak A (eds.), 23rd Annual Condensed Matter Physics Meeting, Charles Sturt University, Wagga Wagga, pp. TP11, presented at 23rd Annual Condensed Matter Physics Meeting, Charles Sturt University, Wagga Wagga, 02 February 1999 - 05 February 1999

Mcpherson IM; Harker S; Stewart GA; Edge AV; Unknown , 1999, 'Spin Fluctuations in the Colossal Magnetoresistance manganite La2/3Ca1/3MnO3', in Clark R; Jones R; Dzurak A (eds.), 23rd Annual Condensed Matter Physics Meeting, 23rd Annual Condensed Matter Physics Meeting, Charles Sturt University, Wagga Wagga, pp. TP1, presented at 23rd Annual Condensed Matter Physics Meeting, Charles Sturt University, Wagga Wagga, 02 February 1999 - 05 February 1999

Strecker M; Hettkamp P; Wortmann G; Stewart G, 1997, 'Gd-155 Mossbauer study of Gd2BaCuO5', in JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, ELSEVIER SCIENCE BV, AUSTRALIA, CAIRNS, pp. 1095 - 1096, presented at International Conference on Magnetism, AUSTRALIA, CAIRNS, 27 July 1997 - 01 August 1997, http://dx.doi.org/10.1016/S0304-8853(97)00932-3

Stewart GA; Kalkowski G; Wortmann G, 1980, 'MOESSBAUER STUDIES OF TmH3 AND DyH3.', in Journal of the less-common metals, pp. 291 - 300, http://dx.doi.org/10.1016/0022-5088(80)90320-3


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