Publications from 2000-2009

---

2009

• ``Coexistence of long-ranged magnetic order and superconductivity in the pnictide superconductor SmFeAsO_1-xF_x (x=0, 0.15)'',
  D.H. Ryan, J.M. Cadogan, C. Ritter, F. Canepa, A. Palenzona, and M. Putti,
  Phys. Rev. B80 (2009), 220503(R).
  (344 k pdf file)

• ``LFe₆Sn₄Ge₂ (L = Dy, Ho, Er) studied by neutron diffraction and Mössbauer spectroscopy'',
  Laura K. Perry, D.H. Ryan, G. Venturini and B. Malaman,
  J. Alloys and Compds. 486 (2009), 29-36.
  (1435k pdf file)

• ``Hexagonal LMn₆Sn₄Ge₂ investigated by neutron diffraction and ¹¹⁹Sn Mössbauer spectroscopy (L = Tb, Ho, Lu)'',
  G. Venturini, B. Malaman, Laura K. Perry and D.H. Ryan,
  J. Alloys and Compds. 484 (2009), 59-68.
  (1176k pdf file)

• ``Cellulose-bound magnesium diboride superconductivity'',
  Y.L. Lin, M.O. Pekguleryuz, J. Lefebvre, C.J. Voyer, D.H. Ryan and M. Hilke,
  Science and Technology for Humanity (TIC-STH), 2009 IEEE Toronto International Conference, (2009), 870-4.
  (378k pdf file)

• ``Structural transitions in RNi₁₀Si₂ intermetallics'',
  O. Moze, W.A. Kockelmann, M. Hofmann, J.M. Cadogan, D.H. Ryan and K.H.J. Buschow,
  J. Phys.: Condens. Matter 21 (2009), 124210(6).
  (536k pdf file)

• ``Neutron powder diffraction determination of the magnetic structure of Gd₃Ag₄Sn₄'',
  J.M. Cadogan, D.H. Ryan, M. Napoletano, P. Riani and L.M.D. Cranswick,
  J. Phys.: Condens. Matter 21 (2009), 124201(8).
  (433k pdf file)

• ``Magnetic ground state at the ytterbium site in YbNiAl₄'',
  S. Banchachit, N. Katsuhiko, C.J. Voyer, D.H. Ryan, W.D. Hutchison and G.A. Stewart,
  J. Appl. Phys. 105 (2009), 07E123(3).
  (224k pdf file)

• ``Moment variation in Er(Co_1-xFe_x)₂ Laves phase: Magnetic measurements and Mössbauer spectroscopy'',
  X.B. Liu, Z. Altounian and D.H. Ryan,
  J. Appl. Phys. 105 (2009), 07E119(3).
  (112k pdf file)

• ``Mössbauer spectroscopy study on the magnetic transition in Mn_1.1Fe_0.9P_0.8Ge_0.2'',
  X.B. Liu, Z. Altounian, D.H. Ryan, M. Yue, Z. Li, D. Liu and J. Zhang,
  J. Appl. Phys. 105 (2009), 07A920(3).
  (156k pdf file)

• ``Magnetic order of the rare earth sub-lattice in h-YbMnO₃'',
  Hazar A. Salama, C.J. Voyer, D.H. Ryan and G.A. Stewart
  J. Appl. Phys. 105 (2009), 07E110(3).
  (157k pdf file)

• ``¹¹⁹Sn Mössbauer investigation of Nd₃Cu₄Sn₄, Nd₃Ag₄Sn₄ and Ho₃Cu₄Sn₄'',
  C.J. Voyer, D.H. Ryan and J.M. Cadogan,
  J. Appl. Phys. 105 (2009), 07D508(3).
  (129k pdf file)

• ``Hexagonal TmMn₆Sn₄Ge₂ investigated by neutron diffraction and ¹¹⁹Sn Mössbauer spectroscopy'',
  Laura K. Perry, D.H. Ryan, G. Venturini and B. Malaman,
  J. Alloys and Compds. 469 (2009), 34-41.
  (1176k pdf file)

• ``Mounting powder samples for sub-Kelvin neutron diffraction'',
  D.H. Ryan and I.P. Swainson,
  J. Appl. Cryst. 42 (2009), 43-47
  (620 k pdf file)
  Journal of Applied Crystallography, 2009, Volume 42, pages 43-47

---

2008

• ``Mössbauer spectroscopy of ¹⁵¹Europium Dicarboxylates'',
  C.I. Wynter, D.H. Ryan, Olga Trichtchenko, C.J. Voyer, D.E. Brown,
  S.G. Sobel, A.L. Haigney, L. May, B.R. Hillery and N.S. Gajbhiye,
  Hyp. Int. 185 (2008), 123-7
  (224 k pdf file)

• `` From single-molecule magnetism to long-range ferromagnetism in Hpyr[Fe₁₇O₁₆(OH)₁₂(py)₁₂Br₄]Br₄'',
  C. Vecchini, D.H. Ryan, L.M.D. Cranswick, M. Evangelisti, W. Kockelmann, P.G. Radaelli,
  A. Candini, M. Affronte, I.A. Gass, E.K. Brechin, and O. Moze,
  Phys. Rev. B77 (2008), 224403(8).
  (503 k pdf file)

• ``A Mössbauer spectroscopy investigation of h-YbMnO₃'',
  Hazar A. Salama, G.A. Stewart, D.H. Ryan, M. Elouneg-Jamroz and A.V.J. Edge,
  J. Phys.: Condens. Matter 20 (2008), 255213(7).
  (614 k pdf file)

• ``Magnetostructural transition in Nd₅Si_2.335Ge_1.665'',
  H.B. Wang, Z. Altounian, D.H. Ryan, J.M. Cadogan, I.P. Swainson and L.M.D. Cranswick,
  J. Appl. Phys. 103 (2008), 07B330(3).
  (278k pdf file)

• ``Flat-plate single-crystal silicon sample holders for neutron powder diffraction
  studies of highly absorbing gadolinium compounds'',
  D.H. Ryan and L.M.D. Cranswick,
  J. Appl. Cryst. 41 (2008), 198-205.
  (670 k pdf file)

 

---

2007

• ``Neutron diffraction and ¹¹⁹Sn Mössbauer study of Sm₃Ag₄Sn₄'',
  C.J. Voyer, D.H. Ryan, J.M. Cadogan, L.M.D. Cranswick, M. Napoletano, P. Riani and F. Canepa,
  J. Phys.: Condens. Matter 19 (2007), 436205(12).
  (388 k pdf file)

• ``Coexistence of spin-glass and ferromagnetic order in the ±J Heisenberg spin-glass model'',
  A.D. Beath and D.H. Ryan,
  Phys. Rev. B76 (2007), 064410(5).
  (213 k pdf file)

• ``Characterization of a new magnesium hydrogen orthophosphate salt,
  Mg_3.5H₂(PO₄)₃, synthesized in supercritical water'',
  H. Assaaoudi, Zhen Fang, I.S. Butler, D.H. Ryan and J.A. Kozinski,
  Solid State Sciences 9 (2007), 385-393.
  (1252 k pdf file)

• ``Order parameter profiles in a twisted Heisenberg model'',
  A.D. Beath and D.H. Ryan,
  IEEE Trans. Mag. 43 (2007), 2902-2904.
  (168 k pdf file)

• ``Low-background single-crystal silicon sample holders for neutron powder diffraction'',
  M. Potter, H. Fritzsche, D.H. Ryan and L.M.D. Cranswick,
  J. Appl. Cryst. 40 (2007), 489-495.
  (665 k pdf file)

• ``¹⁵⁵Gd Mössbauer study of GdFe₆Ge₆'',
  J.M. Cadogan, D.H. Ryan and J.D. Cashion,
  J. Phys.: Condens. Matter 19 (2007), 216204(9).
  (296 k pdf file)

• ``Anisotropic contributions to the ¹¹⁹Sn transferred hyperfine fields in RMn₆Sn_6-xX_x (R=Y,Tb,Er; X=In,Ga)'',
  Laura K. Perry, D.H. Ryan and G. Venturini,
  Phys. Rev. B75 (2007), 144417(7).
  (132 k pdf file)

• ``Magnetic ordering in the HfFe₆Ge₆-type TbFe₆Sn₄Ge₂ compound'',
  Laura K. Perry, D.H. Ryan, G. Venturini and B. Malaman,
  J. Alloys and Compds. 436 (2007), 1-8.
  (1034k pdf file)

• ``Finite temperature phase transition in the three-dimensional Heisenberg ±J spin glass model'',
  A.D. Beath and D.H. Ryan,
  J. Appl. Phys. 101 (2007) 09D506(3).
  (79 k pdf file)

• ``¹¹⁹Sn hyperfine fields in ErMn₆Sn_6-xGa_x'',
  Laura K. Perry, D.H. Ryan and G. Venturini,
  J. Appl. Phys. 101 (2007) 09K504(3).
  (91k pdf file)

• ``Latent heat of the fcc Ising antiferromagnet.'',
  A.D. Beath and D.H. Ryan,
  J. Appl. Phys. 101 (2007) 09G102(3).
  (73 k pdf file)

• ``Magnetic ordering in Gd₃Cu₄Sn₄ and Gd₃Ag₄Sn₄ studied using ¹¹⁹Sn Mössbauer spectroscopy'',
  C.J. Voyer, D.H. Ryan, M. Napoletano and P. Riani,
  J. Phys.: Condens. Matter 19 (2007), 156209(10).
  (379 k pdf file)

• ``Surface chemistry of LiFePO₄ studied by Mössbauer and XPS and its effect on electrochemical properties'',
  Young-Ho Rho, L.F. Nazar, Laura K. Perry and D.H. Ryan,
  J. Electrochem. Soc. 154 (2007), A283-9.
  (1144 k pdf file)

• ``Nanostructured materials for lithium-ion batteries: Surface conductivity vs. bulk ion/electron transport'',
  B. Ellis, P. Subamanya Herle, Y.-H. Rho, L.F. Nazar, R. Dunlap, Laura K. Perry and D.H. Ryan,
  Faraday Discuss. 134 (2007), 119-141.
  (1377 k pdf file)

---

2006

• ``Studying surfaces and thin films using Mössbauer spectroscopy'',
  Laura K. Perry, D.H. Ryan and R. Gagnon,
  Hyp. Int. 170 (2006), 131-43.
  (493 k pdf file)

• ``Anisotropic contributions to the transferred hyperfine field studied using a field-induced spin-reorientation'',
  Laura K. Perry, D.H. Ryan and G. Venturini,
  Hyp. Int. 170 (2006), 105-16.
  (455 k pdf file)

• ``A complete solution to the Mössbauer problem,all in one place'',
  C.J. Voyer and D.H. Ryan,
  Hyp. Int. 170 (2006), 91-104.
  (333 k pdf file)

• ``Magnetic ordering in DyFe₆Sn₆'',
  J.M. Cadogan, O. Moze, D.H. Ryan, Suharyana and M. Hofmann,
  Physica B 385-6 (2006), 317-9.
  (295 k pdf file)

• ``Small polaron hopping in Li_xFePO₄ solid solutions: Evidence for coupled lithium-ion and electron mobility'',
  B. Ellis, Laura K. Perry, D.H. Ryan and L.F. Nazar,
  J. Am. Chem. Soc. 128 (2006), 11416-22.
  (300 k pdf file)

• ``Phase diagrams of site frustrated Heisenberg models on simple cubic, bcc and fcc lattices'',
  A.D. Beath and D.H. Ryan,
  Phys. Rev. B73 (2006), 214445(12).
  (205 k pdf file)

• ``Complex antiferromagnetic order in Dy₃Ag₄Sn₄'',
  Laura K Perry, J M Cadogan, D H Ryan, F Canepa, M Napoletano, D Mazzone and P Riani,
  J. Phys.: CM 18 (2006), 5783-92.
  (451 k pdf file)

• ``Valence and magnetic ordering in the Yb₅Si_xGe_4-x pseudobinary system'',
  C.J. Voyer, D.H. Ryan, Kyunghan Ahn, Karl A. Gschneidner, Jr., and V.K. Pecharsky,
  Phys. Rev. B73 (2006), 174422(6).
  (121 k pdf file)

• ``Thermodynamic properties of the fcc Ising antiferromagnet obtained from precision density of states calculations'',
  A.D. Beath and D.H. Ryan,
  Phys. Rev. B73 (2006), 174416(8).
  (148 k pdf file)

• ``Magnetic fluctuations in Eu₂BaZn_xNi_1-xO₅ Haldane systems'',
  J. van Lierop, C. J. Voyer, T. N. Shendruk, D. H. Ryan, J. M. Cadogan, and L. Cranswick
  Phys. Rev. B73 (2006), 174407(8).
  (342 k pdf file)

• ``Complex magnetic ordering in Tb₃Ag₄Sn₄'',
  Laura K. Perry, D.H. Ryan, F. Canepa, M. Napoletano, D. Mazzone, P. Riani and J.M. Cadogan,
  J. Appl. Phys. 99 (2006), 08J502(3).
  (84 k pdf file)

• ``Temperature induced spin reorientation in TbMn₆Sn_6-xGa_x'',
  Laura K. Perry, D.H. Ryan, G. Venturini and J.M. Cadogan,
  J. Appl. Phys. 99 (2006), 08J302(3).
  (86 k pdf file)

• ``Temperature dependence of induced Ni²⁺ moment fluctuations in the Eu₂BaNiO₅ Haldane system'',
  C.J. Voyer, J. van Lierop, D.H. Ryan and J.M. Cadogan,
  J. Appl. Phys. 99 (2006), 08H501(3).
  (82 k pdf file)

• ``Hydrothermal synthesis, crystal structure and vibrational and Mössbauer spectra of a new tricationic orthophosphate: KCo₃Fe(PO₄)₃'',
  H. Assaaoudi, Z. Feng, D.H. Ryan, I.S. Butler and J.A. Kozinski,
  Can. J. Chem. 84 (2006), 124-33.
  (1171 k pdf file)

---

2005

• ``Mössbauer studies of ¹⁵¹Eu in europium oxalate, europium bissalen ammonium and europium benzoate'',
  C.I. Wynter, D.H. Ryan, S. Taneja, L. May, F.W. Oliver, D.E. Brown and M. Iwunze,
  Hyp. Int. 166 (2005), 499.
  (284 k pdf file)

• ``fcc antiferromagnetic Ising model in a uniform external field solved by mean-field theory'',
  A.D. Beath and D.H. Ryan,
  Phys. Rev. B72 (2005), 014455(8).
  (149 k pdf file)

• ``Paramagnetic europium salen complex and sickle-cell anemia'',
  C.I. Wynter, D.H. Ryan, L. May, F.W. Oliver, E. Brown, E.J. Hoffmann and D. Bernstein,
  AIP Conf. Proc. CP765 (2005), 300-4.
  (201 k pdf file)

• ``The magnetic structure of Nd₅Sn₄'',
  H.B. Wang, Z. Altounian, D.H. Ryan, J.M. Cadogan and I.P. Swainson
  J. Appl. Phys. 95 (2005), 10M506(3).
  (51 k pdf file)

• ``The magnetic structure of NdScGe'',
  J.M. Cadogan, D.H. Ryan, R. Gagnon, C.J. Voyer and I.P. Swainson,
  J. Appl. Phys. 95 (2005), 10A916(3).
  (60 k pdf file)

• ``Site disorder and spin-glass ordering in PrAu₂Si₂'',
  D.H. Ryan, C.J. Voyer, I.P. Swainson, A. Krimmel, J. Hemberger and A. Loidl
  J. Appl. Phys. 95 (2005), 10A908(3).
  (55 k pdf file)

• ``Universal scaling functions and multi-critical points in the site frustrated Heisenberg model'',
  A.D. Beath and D.H. Ryan,
  J. Appl. Phys. 95 (2005), 10A511(3).
  (56 k pdf file)

• ``The ferromagnetic phase boundary in the bond frustrated Heisenberg model'',
  A.D. Beath and D.H. Ryan,
  J. Appl. Phys. 95 (2005), 10A506(3).
  (168 k pdf file)

---

2004

• ``ZF-µSR studies of frustrated magnets: physics and analysis issues'',
  D.H. Ryan, J. van Lierop and J.M. Cadogan,
  J. Phys.: CM 16 (2004), S4619-38.
  (828 k pdf file)

• ``Magnetocaloric effect in La(Fe_0.88Al_0.12)₁₃C_x interstitial compounds'',
  X Liu, Z Altounian and D H Ryan,
  J. Phys. D: Appl. Phys. 37 (2004), 2469-74.
  (212 k pdf file)

• ``Valence and magnetic ordering in YbMn₂Si_2-xGe_x'',
  D.H. Ryan, J.M. Cadogan and A.V.J. Edge,
  J. Phys.: CM 16 (2004), 6129-38.
  (295 k pdf file)

• ``Magnetic structure of Er₅Si₄'',
  J. M. Cadogan, D. H. Ryan, Z. Altounian, X. Liu and I.P. Swainson,
  J. Appl. Phys. 95 (2004), 7076-8.
  (131 k pdf file)

• ``Intercluster coupling in site-frustrated random magnets'',
  A.D. Beath and D.H. Ryan,
  J. Appl. Phys. 95 (2004), 6980-2.
  (73 k pdf file)

• ``An Overview of ¹⁶⁶Er, ¹⁶⁹Tm and ¹⁷⁰Yb Mössbauer Spectroscopy'',
  J. M. Cadogan, D. H. Ryan,
  Hyp. Int. 153 (2004), 25-41.
  (208 k pdf file)

• ``¹⁶⁶Er and ¹⁷⁰Yb Mössbauer Studies of Magnetic Order and Valence'',
  D. H. Ryan, J. M. Cadogan,
  Hyp. Int. 153 (2004), 43-55.
  (176 k pdf file)

• ``The temperature induced structural transformation in Gd₅Si_xSn_4-x (x = 0 and 0.4)'',
  H.B. Wang, Z. Altounian and D.H. Ryan,
  J. Phys.: CM 16 (2004), 3053-9.
  (158 k pdf file)

• ``Magnetic ordering in Er₃Cu₄X₄ (X = Si, Ge, Sn)'',
  D.H. Ryan, J.M. Cadogan, R. Gagnon and I.P. Swainson,
  J. Phys.: CM 16 (2004), 3183-98.
  (632 k pdf file)

• ``Pd polarisation and interfacial moments in Pd-Fe multilayers'',
  L. Cheng, Z. Altounian D.H. Ryan, J.O. Ström-Olsen, M. Sutton and Z. Tun,
  Phys. Rev. B69 (2004), 144403(5).
  (71 k pdf file)

• ``The order of magnetic phase transition in La(Fe_1-xCo_x)_11.4Si_1.6 compounds'',
  Liu Xu Bo, D H Ryan and Z Altounian,
  J. Magn. Magn. Matter. 265 (2004), 305-311.
  (399 k pdf file)

---

2003

• ``Magnetic order in RCr₂Si₂ intermetallics'',
  O. Moze, M. Hoffmann, J.M. Cadogan, K.H.J. Buschow and D.H. Ryan,
  Eur. Phys. J. B 36 (2003), 511-18.
  (712 k pdf file)

• ``Structure and magnetic transition of LaFe_13-xSi_x compounds'',
  Liu Xu Bo, Z Altounian and D H Ryan,
  J. Phys.: CM 15 (2003), 7385-94.
  (400 k pdf file)

• ``¹⁶⁶Er Mössbauer study of Er₂Ge₂O₇'',
  J.M. Cadogan, D.H. Ryan, G.A. Stewart and R. Gagnon,
  J. Magn. Magn. Matter. 265 (2003), 199-203.
  (132 k pdf file)

• ``¹⁶⁶Er Mössbauer study of magnetic ordering in Er₃Ge₄'',
  D.H. Ryan, J.M. Cadogan and R. Gagnon,
  Phys. Rev. B68 (2003), 014413(6).
  (224 k g-zipped postscript file)
  (184 k pdf file)

• ``Nitrogen-Induced Local Magnetic and Structural Properties of Sputtered FeAlN Thin Films'',
  Y.-K. Liu, D.H. Ryan, Z. Altounian and M.H. Kryder,
  J. Appl. Phys. 93 (2003), 6471-3.
  (174 k pdf file)
  (57 k pdf file)

• ``Non-collinearity of the magnetic structure of TbFe₁₀V₂'',
  J.M. Cadogan, D.H. Ryan, O. Moze, I.P. Swainson and K. Suzuki,
  J. Appl. Phys. 93 (2003), 6972-4.
  (71 k g-zipped postscript file)
  (48 k pdf file)

• ``Ordering in the Site Frustrated Heisenberg ferromagnet revisited'',
  A.D. Beath and D.H. Ryan,
  J. Appl. Phys. 93 (2003), 8188-90.
  (106 k g-zipped postscript file)
  (56 k pdf file)

• ``Magnetic properties of Nd₅Si_xSn_4-x'',
  H.B. Wang, Miryam Elouneg-Jamroz, D.H. Ryan and Z. Altounian,
  J. Appl. Phys. 93 (2003), 8304-6.
  (81 k g-zipped postscript file)
  (45 k pdf file)

• ``Muon spin relaxation study of exchange biased Co/CoO'',
  J. van Lierop, H.S. Isaacs, D.H. Ryan, A.D. Beath and E. McCalla,
  Phys. Rev. B67 (2003), 134430(5).
  (118 k g-zipped postscript file)
  (77 k pdf file)

• ``Field and Temperature Induced Magnetic Transition in Gd₅Sn₄, A Giant Magnetocaloric Material'',
  D.H. Ryan, Miryam Elouneg-Jamroz, J. van Lierop, Z. Altounian and H.B. Wang,
  Phys. Rev. Lett. 90 (2003), 117202(4).
  (184 k g-zipped postscript file)
  (217 k pdf file)

• ``Transverse Spin Freezing in a-(Fe_1-xMn_x)₇₈Si₈B₁₄: a Site-Frustrated Metallic Glass'',
  D.H. Ryan, A.D. Beath, E. McCalla, J. van Lierop and J.M. Cadogan,
  Phys. Rev. B67 (2003), 104404(6)
  (199 k g-zipped postscript file)
  (106 k pdf file)

• ``Magnetic ordering in ErFe₆Sn₆'',
  J.M. Cadogan, D.H. Ryan, O. Moze, Suharyana and M. Hofmann,
  J. Phys.: CM 15 (2003), 1757-71.
  (307 k pdf file)

• ``µSR and Mössbauer Studies of Transverse Spin Freezing'',
  D.H. Ryan, J. van Lierop and J.M. Cadogan,
  Physica B 326 (2003), 450-5.
  (136 k g-zipped postscript file)
  (241 k pdf file)

---

2002

• ``Influence of the Interfaces on Magnetic Properties of Fe/Ag and Fe/Cu Multilayers Prepared by Sputtering'',
  A.P. Kuprin, Li Cheng, Z. Altounian and D.H. Ryan,
  Hyp. Int. 144-5 (2002), 141-9.
  (101 k pdf file)

• ``Magnetic Polysaccharides'',
  F. Llanes, C. Diaz, D.H. Ryan and R.H. Marchessault,
  Int. J. Poly. Mater. 51 (2002), 537-45.
  (609 k pdf file)

• ``Structural and Magnetic Properties of Gd₅Si_xSn_4-x'',
  H.B. Wang, Z. Altounian and D.H. Ryan,
  Phys. Rev. B66 (2002), 214413(6).
  (210 k g-zipped postscript file)
  (191 k pdf file)

• ``¹¹⁹Sn Mössbauer Study of the Giant Magnetocaloric Compound: Gd₅Sn₄'',
  D.H. Ryan, H.B. Wang and Z. Altounian,
  Hyp. Int. C5 (2002), 217-20.
  (81 k g-zipped postscript file)

• ``¹⁷⁰Yb Mössbauer Study of Magnetic Ordering in Yb₂Cu₂O₅'',
  D.H. Ryan, Saleema N.M., R. Gagnon, J. van Lierop and J.M. Cadogan
  Hyp. Int. C5 (2002), 173-6.
  (62 k g-zipped postscript file)

• ``Selective Excitation Double Mössbauer Spectroscopy'',
  J. van Lierop and D.H. Ryan,
  Hyp. Int. 141-2 (2002), 141-44.
  (200 k g-zipped postscript file)
  (84 k pdf file)

• ``The Magnetic Structures of Nd₅Si₄ and Nd₅Ge₄'',
  J.M. Cadogan, D.H. Ryan, Z. Altounian, H.B. Wang and I.P. Swainson,
  J.Phys.: CM 14 (2002), 7191-7200.
  (142 k g-zipped postscript file)
  (385 k pdf file)

• ``Thermal Demagnetisation of a Field-Cooled Spin-Glass'',
  D.H. Ryan and Zin Tun, J. Appl. Phys. 91 (2002), 8266-8
  (106 k g-zipped postscript file)
  (47 k pdf file)

• ``A Study of Spin Dynamics in the a-Fe₉₀Sc₁₀ Spin-Glass'',
  J. van Lierop, D.H. Ryan and J.M. Cadogan, J. Appl. Phys. 91 (2002), 8263-5
  (65 k g-zipped postscript file)
  (75 k pdf file)

• ``Enhanced Fe Moment at Pd/Fe Interfaces Studied by Low-Temperature Conversion Electron Mössbauer Spectroscopy'',
  L. Cheng, Z. Altounian D.H. Ryan and J.O. Ström-Olsen, J. Appl. Phys. 91 (2002), 7188-90
  (94 k g-zipped postscript file)
  (54 k pdf file)

• ``Reply to ``Comment on the `Field dependence of the transverse spin freezing transition' '',
  D.H. Ryan, J.M. Cadogan and J. van Lierop, Phys. Rev. B65 (2002), 176402(2)
  (37 k g-zipped postscript file)
  (29 k pdf file)
  For completeness, here is the original comment: (29 k pdf file)

• ``Dynamics in Fine Particle Magnets'',
  J. van Lierop and D.H. Ryan, Phys. Rev. B65 (2002), 104402(9)
  (237 k g-zipped postscript file)
  (145 k pdf file)

---

2001

• ``¹⁷⁰Yb Mössbauer study of the YbCd_5.7 binary quasi-crystal and related phases'',
  D.H. Ryan, Saleema N.M., R. Gagnon and J. van Lierop, J.Phys.: CM 13 (2001), 10159-63.
  (89 k g-zipped postscript file)
  (118 k pdf file)

• ``An Improved Selective Excitation Double Mössbauer Spectrometer'',
  J. van Lierop and D.H. Ryan, Rev. Sci. Instrum. 72 (2001), 3349-56.
  (230 k pdf file)

• ``Independent magnetic ordering of the rare-earth (R) and Fe sublattices
  in the RFe₆Ge₆ and RFe₆Sn₆ series'',
  J.M. Cadogan and D.H. Ryan, J. Alloys and Compounds 326 (2001), 166-73
  (183 k pdf file)

• ``Neutron Diffraction and Mössbauer Study of the Magnetic Structure of HoFe₆Sn₆'',
  J.M. Cadogan, Suharyana, D.H. Ryan, O. Moze and W. Kockelmann, IEEE Trans. Mag. 37 (2001), 2606-8
  (155 k g-zipped postscript file)
  (75 k pdf file)

• ``A muon spin relaxation study of spin dynamics in a polysaccharide iron complex''
  J. van Lierop, D.H. Ryan, M.E. Pumarol, and M. Roseman, J. Appl. Phys. 89 (2001), 7645-7
  (76 k g-zipped postscript file)
  (48 k pdf file)

• ``Muon spin relaxation examination of transverse spin freezing (invited)'',
  D.H. Ryan, J. van Lierop, M.E. Pumarol, M. Roseman and J.M. Cadogan, J. Appl. Phys. 89 (2001), 7039-43
  (140 k g-zipped postscript file)
  (81 k pdf file)

• ``Spin Dynamics in a Frustrated Magnet'',
  J. van Lierop and D.H. Ryan,
  Phys. Rev. Lett. 86 (2001), 4390-3.
  (97 k g-zipped postscript file)
  (156 k pdf file)

• ``Field Dependence of the Transverse Spin Freezing Transition'',
  D.H. Ryan, J. van Lierop, M.E. Pumarol, M. Roseman and J.M. Cadogan,
  Phys. Rev. B63 Rapid Comm. (2001), 140405(3)
  (68 k g-zipped postscript file)
  (48 k pdf file)

• ``Mössbauer Spectra of Single-Domain Fine Particle Systems Described Using a Multiple-Level Relaxation Model for Superparamagnets'',
  J. van Lierop and D.H. Ryan, Phys. Rev. B63 (2001), 064406(8)
  (291 k g-zipped postscript file)
  (149 k pdf file)

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2000

• ``Neutron Diffraction Determination of the Magnetic Structure of DyFe₆Ge₆'',
  J.M. Cadogan, D.H. Ryan, and I.P. Swainson, J. Phys.: CM 12 (2000), 8963-71
  (165 k g-zipped postscript file)
  (314 k pdf file)

• ``Transverse spin freezing in Ruthenium-doped a-Fe₉₀Zr₁₀'',
  D.H. Ryan, J.M. Cadogan and J. van Lierop, Phys. Rev. B62 (2000), 8638-41
  (124 k g-zipped postscript file)
  (76 k pdf file)

• ``Superparamagnetic Spin Dynamics Studied Using Selective Excitation Double Mössbauer Spectroscopy'',
  J. van Lierop and D.H. Ryan, Phys. Rev. Lett. 85 (2000), 3021-4
  (115 k g-zipped postscript file)
  (177 k pdf file)

• ``Formation and Charcaterisation of Superparamagnetic Cross-linked High Amylose Starch'',
  V. Veiga, D.H. Ryan, E. Sourty, F. Llanes and R.H. Marchessault, Carbohydrate Polymers 42 (2000), 353-57.
  (75 k pdf file)

• ``Spin-Wave Excitations in Fe/Cu Multilayers as a Function of its Parameters'',
  A.P. Kuprin, Li Cheng, Z. Altounian and D.H. Ryan, J. Appl. Phys. 87 (2000), 6591-3
  (84 k g-zipped postscript file)
  (56 k pdf file)

• ``Transverse Spin Freezing in a-Fe_xZr_100-x Studied Using µSR'',
  D.H. Ryan, J.M. Cadogan and J. van Lierop, J. Appl. Phys. 87 (2000), 6525-7
  (91 k g-zipped postscript file)
  (53 k pdf file)

• ``Mössbauer Spectra of Ferrofluids Characterized Using a Many State Relaxation Model for Superparamagnets'',
  J. van Lierop and D.H. Ryan, J. Appl. Phys. 87 (2000), 6277-9
  (90 k g-zipped postscript file)
  (45 k pdf file)

• ``Neutron Diffraction and Mössbauer Study of the Magnetic Structure of YFe₆Sn₆'',
  J.M. Cadogan, Suharyana, D.H. Ryan, O. Moze and W. Kockelmann, J. Appl. Phys. 87 (2000), 6046-8
  (121 k g-zipped postscript file)
  (50 k pdf file)

• ``Magnetic nanostructured composites using alginates of different M/G ratios as polymeric matrix'',
  F. Llanes, D.H. Ryan and R.H. Marchessault,
  Int. J. Biol. Macromolecules 27 (2000), 35-40
  (abstract only)
  (1193 k g-zipped postscript file)

• ``µSR study of transverse spin freezing in a-Fe_xZr_100-x'',
  D.H. Ryan, J.M. Cadogan and J. van Lierop,
  Phys. Rev. B61 (2000), 6816-20
  (116 k g-zipped postscript file)
  (70 k pdf file)

• ``Magnetic properties of transition-metal-doped a-Fe₉₀Zr₁₀'',
  D.H. Ryan and J.M. Cadogan, J. Magn. Magn. Mater. 213 (2000), 111-6.
  (104 k g-zipped postscript file)
  (128 k pdf file)

• ``Magnetic order and local spin correlations in a-(Fe_(1-x)Mn_x)₇₈ Sn₂ Si₆ B₁₄''
  A.P. Kuprin, D. Wiarda and D.H. Ryan, Phys. Rev. B61 (2000), 1267-77
  (239 k g-zipped postscript file)
  (163 k pdf file)

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