By Emeritus Professor Seán Cadogan

Journal articles

Rowan-Weetaluktuk WN; Ryan DH; Sushkov AO; Eckel S; Lamoreaux SK; Sushkov OP; Cadogan JM; Yethiraj M; Studer AJ, 2010, 'Phonon mode softening at the ferroelectric transition in Eu0.5Ba0.5TiO3', Hyperfine Interactions, 198, pp. 1 - 4, http://dx.doi.org/10.1007/s10751-010-0204-5

Cadogan JM; Ryan DH; Cranswick LMD, 2010, 'The incommensurate magnetic structure of Er3Cu4Ge4 below 1K', Journal of Physics: Conference Series, 200, pp. 032009-1 - 032009-4

Ryan DH; Cadogan JM; Voyer CJ; Napoletano M; Riani P; Cranswick LMD, 2010, 'ChemInform Abstract: Using Neutron Diffraction and Moessbauer Spectroscopy to Study Magnetic Ordering in the Ln₃T₄Sn₄ Family of Compounds', ChemInform, 41, http://dx.doi.org/10.1002/chin.201029228

Mazet T; Ihou-Mouko H; Ryan DH; Voyer CJ; Cadogan JM; Malaman B, 2010, 'Valence change and magnetic order in YbMn6Ge 6 - XSnx', Journal of Physics Condensed Matter, 22, http://dx.doi.org/10.1088/0953-8984/22/11/116005

Ryan DH; Cadogan JM; Voyer CJ; Napoletano M; Riani P; Cranswick LMD, 2010, 'Using neutron diffraction and mössbauer spectroscopy to study magnetic ordering in the r3t4sn4 family of compounds', Modern Physics Letters B, 24, pp. 1 - 28, http://dx.doi.org/10.1142/S0217984910022111

Cadogan JM; Ryan DH, 2010, 'A study on the magnetic behaviour of polymorphic YbFe6Ge 6', Journal of Physics Condensed Matter, 22, http://dx.doi.org/10.1088/0953-8984/22/1/016009

Desautels RD; Van Lierop J; Cadogan JM, 2010, 'Disproportionation of cobalt ferrite nanoparticles upon annealing', Journal of Physics: Conference Series, 217, http://dx.doi.org/10.1088/1742-6596/217/1/012105

Suharyana ; Cadogan JM; Rianaris A, 2010, 'Neutron diffraction study on the magnetic structure of Pr6Fe13Sn', Atom Indonesia, 36, pp. 31 - 35, http://dx.doi.org/10.17146/aij.2010.9

Cadogan JM; Ryan DH; Cranswick LMD, 2010, 'The Locked-in magnetic structure of Er3Cu4Si 4 below 1 K', Journal of Physics: Conference Series, 251, http://dx.doi.org/10.1088/1742-6596/251/1/012020

Ryan DH; Cadogan JM; Gagnon R, 2010, 'The spin-reorientation transition in H-type YbFe6Ge6', Journal of Physics: Conference Series, 217, http://dx.doi.org/10.1088/1742-6596/217/1/012124

Sepelak V; Bergmann I; Feldhoff A; Litterst FJ; Becker KD; Cadogan JM; Hofmann M; Hoelzel M; Wang JL; Avdeev M; Campbell SJ, 2010, 'Mechanosynthesis of nanocrystalline MgFe2O4—neutron diffraction and Mössbauer spectroscopy', Hyperfine Interactions, 198, pp. 67 - 71, http://dx.doi.org/10.1007/s10751-010-0243-y

Ryan DH; Cadogan JM; Ritter C; Canepa F; Palenzona A; Putti M, 2009, 'Coexistence of long-ranged magnetic order and superconductivity in the pnictide superconductor SmFeAsO1-x Fx (x=0,0.15 )', Physical Review B - Condensed Matter and Materials Physics, 80, http://dx.doi.org/10.1103/PhysRevB.80.220503

Desautels RD; Cadogan JM; van Lierop J, 2009, 'Spin dynamics in CoFe2O4 nanoparticles', Journal of Applied Physics, 105, pp. 07B506-1 - 07B506-3

Voyer CJ; Ryan DH; Cadogan SM, 2009, '119Sn Mossbauer spectroscopy investigation of Nd3Cu4Sn4, Nd3Ag4Sn4 and Ho3Cu4Sn4', Journal of Applied Physics, 105, pp. 07D508-1 - 07D508-3

Cadogan JM; Ryan DH; Napoletano M; Riani P; Cranswick LMD, 2009, 'Neutron powder diffraction determination of the magnetic structure of Gd3Ag4Sn4', Journal of Physics Condensed Matter, 21, http://dx.doi.org/10.1088/0953-8984/21/12/124201

Moze O; Kockelmann WA; Hofmann M; Cadogan JM; Ryan DH; Buschow KHJ, 2009, 'Structural transitions in RNi10Si2 intermetallics', Journal of Physics Condensed Matter, 21, http://dx.doi.org/10.1088/0953-8984/21/12/124210

Bland PA; Berry FJ; Cadogan JM; Howard KT; Cressey G, 2008, 'Fe-bearing mineral abundance in primitive chondrites by Mossbauer spectroscopy', Meteoritics and Planetary Science, 43, pp. A25 - A25

Wang HB; Altounian Z; Ryan DH; Cadogan JM; Swainson IP; Cranswick LMD, 2008, 'Magnetostructural transition in Nd5 Si2.335 Ge 1.665', Journal of Applied Physics, 103, http://dx.doi.org/10.1063/1.2838996

Voyer CJ; Ryan DH; Cadogan JM; Cranswick LMD; Napoletano M; Riani P; Canepa F, 2007, 'Neutron diffraction and ¹¹⁹Sn Mössbauer study of Sm 3Ag4Sn4', Journal of Physics Condensed Matter, 19, http://dx.doi.org/10.1088/0953-8984/19/43/436205

Cadogan JM; Cashion J; Ryan DH, 2007, '155Gd Mossbauer study of GdFe6Ge6', Journal of Physics: Condensed Matter, 19, pp. 216204 - 216212, http://dx.doi.org/10.1088/0953-8984/19/21/216204

Cadogan JM; Ryan D; Cashion J, 2007, '155Gd Mossbauer study of GdFe6Ge6', Journal of Physics: Condensed Matter, 19, pp. 216204, http://dx.doi.org/10.1088/0953-8984/19/21/216204

Suzuki K; Ishikawa K; Aoki K; Cadogan JM; Ishimaru M; Hirotsu Y, 2007, 'Exchange interactions in hydrogen-induced amorphous YFe2', Journal of Non - Crystalline Solids, 353, pp. 748 - 752

Cadogan JM; Ryan D; Cashion J, 2007, 'Gd-155 Mossbauer study of GdFe6Ge6', Journal of Physics: Condensed Matter, 19

Mukhamedjanov T; Sushkov OP; Cadogan JM, 2007, 'NMR manifestations of nuclear anapole moments', Journal of superconductivity and novel magnetism, 20, pp. 193 - 196, http://dx.doi.org/10.1007/s10948-006-0113-7

Wang JL; Campbell SJ; Cadogan JM; Edge AVJ, 2006, '⁵⁷Fe Mössbauer and magnetic studies of DyFe12-x Tax compounds', Hyperfine Interactions, 168, pp. 1097 - 1102, http://dx.doi.org/10.1007/s10751-006-9408-0

Wang J; Campbell SJ; Cadogan JM; Edge AV, 2006, '57Fe Mossbauer and magnetic studies of DyFe12-xTax compounds', Hyperfine Interactions, 168, pp. 1097 - 1102

Perry L; Cadogan JM; Canepa F; Napoletano M; Mazzone D; Riani P; Ryan DH, 2006, 'Complex antiferromagnetic order in Dy3Ag4Sn4', Journal of Physics: Condensed Matter, 18, pp. 5783 - 5792

Perry L; Canepa F; Napoletano M; Mazzone D; Riani P; Cadogan JM; Ryan DH, 2006, 'Complex magnetic ordering in Tb3Ag4Sn4', Journal of Applied Physics, 99, pp. 8502 - 8504

van Lierop J; Voyer C; Shendruk T; Cadogan JM; Cranswick L; Ryan DH, 2006, 'Magnetic fluctuations in Eu2BaZnxNi1-xO5 Haldane systems', Physical Review - Section B - Condensed Matter, 73, pp. 174407 - 174414

Wang J; Campbell SJ; Cadogan JM; Tegus O; Studer AJ; Hofmann M, 2006, 'Magnetic Properties of PrMn2-xFexGe2 - 57Fe Mossbauer Spectroscopy', Journal of Physics: Condensed Matter, 18, pp. 189 - 204

Vecchini C; Moze O; Cadogan JM; Pranzas K; Michels A; Weissmueller J; Suzuki K, 2006, 'Small angle neutron scattering investigations of spin disorder in nanocomposite soft magnets', Journal of Alloys and Compounds, 423, pp. 31 - 36

Voyer C; van Lierop J; Cadogan JM; Ryan DH, 2006, 'Temperature dependence of induced Ni2+ moment fluctuations in the Eu2BaNiO5 Haldane system', Journal of Applied Physics, 99, pp. 8501 - 8503

Perry L; Venturini G; Cadogan JM; Ryan DH, 2006, 'Temperature-induced spin reorientation in TbMn6Sn6-xGax', Journal of Applied Physics, 99, pp. 302 - 304

Wang JL; Campbell SJ; Cadogan JM; Tegus O; Edge AVJ, 2005, '⁵⁷Fe Mössbauer and magnetic studies of ErFe 12-xNbx', Journal of Physics Condensed Matter, 17, pp. 3689 - 3700, http://dx.doi.org/10.1088/0953-8984/17/23/020

Wang J; Campbell SJ; Cadogan JM; Tegus O; Edge AV, 2005, '57Fe Mossbauer and magnetic studies of ErFe12-xNbx', Journal of Physics: Condensed Matter, 17, pp. 3689 - 3700

Michels A; Vecchini C; Moze O; Cadogan JM; Pranzas P; Weissmuller J; Suzuki K, 2005, 'Dipole-field-induced spin disorder in a nanocomposite soft magnet', Europhysics Letters, 72, pp. 249 - 255

Cadogan JM; Gagnon R; Voyer C; Ryan DH, 2005, 'Magnetic structure of NdScGe', Journal of Applied Physics, 97, pp. 916 - 918

Mukhamedjanov T; Sushkov OP; Cadogan JM, 2005, 'Manifestations of nuclear anapole moments in solid-state NMR', Physical Review A, 71, pp. 12107 - 12119

Wang H; Altounian Z; Cadogan JM; Swainson IP; Ryan DH, 2005, 'The magnetic structure of Nd5Sn4', Journal of Applied Physics, 97, pp. 506 - 508

Ryan DH; Cadogan JM, 2004, '¹⁶⁶Er and ¹⁷⁰Yb Mössbauer studies of magnetic order and valence', Hyperfine Interactions, 153, pp. 43 - 55, http://dx.doi.org/10.1023/B:HYPE.0000024712.63726.1e

Cadogan JM; Ryan DH, 2004, 'An overview of ¹⁶⁶Er, ¹⁶⁹Tm and ¹⁷⁰Yb Mössbauer spectroscopy', Hyperfine Interactions, 153, pp. 25 - 41, http://dx.doi.org/10.1023/B:HYPE.0000024711.45868.29

Cadogan JM; Ryan DH, 2004, 'An overview of Er-166, Tm-169 and Yb-170 Mossbauer spectroscopy', Hyperfine Interactions, 153, pp. 25 - 41

Ryan DH; Cadogan JM, 2004, 'Er-166 and Yb-170 Mossbauer studies of magnetic order and valence', Hyperfine Interactions, 153, pp. 43 - 55

Ryan DH; Cadogan JM; Gagnon R; Swainson IP, 2004, 'Magnetic ordering in Er3Cu4X4 (X = Si, Ge, Sn)', Journal of Physics: Condensed Matter, 16, pp. 3183 - 3198

Cadogan JM; Ryan DH; Altounian Z; Swainson IP; Liu X, 2004, 'Magnetic structure of Er5Si4', Journal of Applied Physics, 95, pp. 7076 - 7078

Candini A; Moze O; Kockelmann W; Cadogan JM; Bruck E; Tegus O, 2004, 'Revised magnetic phase diagram for FexMn5-xSi3 intermetallics', Journal of Applied Physics, 95, pp. 6819 - 6821

Wang J; Campbell SJ; Cadogan JM; James SD; Edge AV, 2004, 'Structural and magnetic properties of DyFe12-xNbx compounds', Physica status solidi. C, Current topics in solid state physics : PSS, 1, pp. 3377 - 3380

Ryan DH; Cadogan JM; Edge AV, 2004, 'Valence and magnetic ordering in YbMn2Si2-xGex', Journal of Physics: Condensed Matter, 16, pp. 6129 - 6138

Ryan DH; Van Lierop J; Cadogan JM, 2004, 'Zero-field muon spin relaxation studies of frustrated magnets: physics and analysis issues', Journal of Physics: Condensed Matter, 16, pp. S4619 - S4638

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

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