NAVIGATION SELECTIONS
Home
Research
People
Facilities
Publications
Teaching
Contact

Publications

  1. R. D. Desautels, E. Skoropata, Y.-Y. Chen, H. Ouyang, J. W. Freeland and J. van Lierop, "Increased surface spin stability in γ-Fe2O3 nanoparticles with a Cu shell", J. Phys.: Condens. Matter, 24, 146001 (2012).
  2. K.-W. Lin , M. Mirza , C. Shueh , H.-R. Huang , H.-F. Hsu and J. van Lierop, "Tailoring interfacial exchange coupling with low-energy ion beam bombardment: Tuning the interface roughness", Appl. Phys. Lett., in-press.
  3. E. Skoropata, P. Ceci, O. Kasyutich and J. van Lierop, "Cobalt driven enhancement of nanomagnetism in iron-oxide nanoparticles encapsulated in a synthetic ferritin shell", J. Appl. Phys., 111, 07B531 (2012).
  4. R. D. Desautels, Y.-Y. Chen, H. Ouyang, S.-C. Lo, J. W. Freeland and J. van Lierop, "Field dependence of the interfacial Cu in Cu-coated γ-Fe2O3 nanoparticles", J. Appl. Phys., 111, 07B518 (2012).
  5. A. D. Beath, D. H. Ryan, J. M. Cadogan and J. van Lierop, "Field dependence of the transverse spin glass phase transition: Quantitative agreement between Monte Carlo simulations and experiments", J. Appl. Phys., 111, 07E108 (2012).
  6. R. D. Desautels, E. Skoropata, Y.-Y. Chen, H. Ouyang, J. W. Freeland and J. van Lierop, "Tuning the surface magnetism of γ-Fe2O3 nanoparticles with a Cu shell", Appl. Phys. Lett., 99, 262501 (2011).
  7. M. A. Kostiainen, P. Ceci, M. Fornara, P. Hiekkataipale, O. Kasyutich, R. J. M. Nolte, J. J. L. M. Cornelissen, R. D. Desaultes and J. van Lierop, "Hierarchical Self-Assembly and Optical Disassembly for Controlled Switching of Magnetoferritin Nanoparticle Magnetism", ACS Nano, 5, 6394 (2011).
  8. L. Rebbouh, R. D. Desautels, C. Ritter, J. M. Cadogan, V. Temerov, A. Pankrats and J. van Lierop, “Short-range correlations and their thermal hysteresis in the paramagnetic phase of YFe3(BO3)4”, Phys. Rev. B Rapid Comm., 83, 140406(R), 2011.
  9. V. Yathindranath, L. Rebbouh, D. Moore, D. Miller, J. van Lierop and T. Hegmann, “A versatile method for the reductive, one-pot synthesis of bare, hydrophilic and hydrophobic magnetite nanoparticles”, Advanced Functional Materials, 21, 1457 (2011).
  10. R. Magaraggia, M. Kostylev, R. L. Stamps, K.-W. Lin, J. -Y. Guo, K. -J. Yang, R. D. Desautels and J. van Lierop, “Characterization of Exchange-Biased CoFe/(Co,Fe)O Thin Films by Magnetometry and Ferromagnetic Resonance Techniques”, IEEE Trans. Magn., 47, 1614 (2011)
  11. O. Kasyutich, R. D. Desautels and J. van Lierop, “Novel Aspects of Magnetic Interactions in a Macroscopic 3D Nanoparticle-Based Crystal”, Phys. Rev. Lett., 104, 127205 (2010).
  12. M. L. Plumer, J. van Lierop, B. W. Southern and J. P. Whitehead, “Micromagnetic simulations of interacting dipoles on an fcc lattice: application to nanoparticle assemblies”, J. Phys: Condensed Matter, 22, 296007 (2010).
  13. V. V. Volobuev, A. N. Stetsenko, A. Yu. Sipatov, J. van Lierop,“Magnetic exchange effects in PbS/Fe/EuS/PbS thin films”, Phys. Rev. B., 81, 134430 (2010).
  14. H. Ouyang, You-Hong Han, Shen-Chuan Lo, Chyun-H. Su, Yung-Ruei Shiu, K.-W. Lin, R. D. Desautels and J. van Lierop, ”Tayloring perpendicular magnetic anisotropy in ultrathin Co/Pt multilayers”, Phys. Rev. B, 81, 224412 (2010).
  15. K.-W. Lin, V. V. Volobuev, J.-Y. Guo, S.-H. Chung, H. Ouyang, J. van Lierop, “[Pt/Co]4/NiO thin film perpendicular magnetic anisotropy dependence on Co layer thickness”, J. Appl. Phys., 107, 09D712 (2010).
  16. R. D. Desautels, O. Kasyutich, J. van Lierop, “Suppression of blocking behavior in a macroscopic FCC crystal of nanoparticles”, J. Appl. Phys., 107, 09B512 (2010).
  17. V. Yathindranath, K. Potter, C. B. Fowler, T. Hegmann, J. van Lierop and D. F. Moore, "Simultaneous magnetically-directed drug convection and MR Imaging", Nanotechnology, 20, 405101 (2009).
  18. C. L. Dennis, A. J. Jackson, J. A. Borchers, P. J. Hoopes, R. Strawbridge, Z. Pierce, A.R. Foreman, J. van Lierop, C. Grutter and R. Ivkov, "Collective behaviour of magnetic nanoparticles enhances heating in interstitial hyperthermia", Nanotechnology, 20, 395103 (2009).
  19. J.-Y. Guo, Y.-M. Tzeng, J. van Lierop and K.-W. Lin, "Thermal annealing effects on the structural, magnetic and magnetotransport properties of NiFe/(Ni,Fe)O bilayers", Jap. J. Appl. Phys., 48, 073003 (2009)
  20. K.-W. Lin, Y.-L. Chiu, A.-C. Sun, J.-H. Hsu, J. van Lierop and T. Suzuki, "Ion-beam bombarded SiO2 layer effects on the microstructure and magnetism in FePt/SiO2 bilayers", Jap. J. Appl. Phys., 48, 073002 (2009).
  21. J.-Y. Guo, J. van Lierop, S.-Y. Chang and K.-W. Lin, "Magnetic and magnetotransport properties of exchange biased NiFe/NiO bilayers", Jap. J. Appl. Phys., 48, 073004 (2009).
  22. H. Ouyang, C.-H. Su, C.-C. Liu, Z.-Y. Guo, K.-W. Lin, S.-C. Lo and J. van Lierop "Modulating nanomagnetism in Ni80Fe20/(Ni,Fe)O thin films by tuning the interfacial microstructure using ion bombardment", J. Appl. Phys., 105, 033904 (2009).
  23. K.-W. Lin, J.-Y. Guo, T.-J. Chen, E. Vass and J. van Lierop, "Correlating exchange bias with magnetic anisotropy in NiFe/Mn-oxide bilayers", J. Appl. Phys., 104, 123908 (2009).
  24. E. Skoropata, R. D. Desautels and J. van Lierop, γ-Fe2O3 nanoparticle intrinsic magnetism dependence on iron-ion availability during synthesis", J. Appl. Phys., 105, 07B503 (2009).
  25. K.-W. Lin, T.-J., Chen, J.-Y. Guo, H. Ouyang, D.-H. Wei and J. van Lierop, "Correlating antiferromagnetic spin structures with ion-beam bombardment in exchange-biased NiFe/Mn bilayers", J. Appl. Phys., 105, 07D710 (2009).
  26. C.-H. Su, S.-H. Lu, J. van Lierop, K.-W. Lin and H. Ouyang, "The intermixing induced perpendicular magnetic anisotropy in ultrathin Co/Pt multilayers", J. Appl. Phys., 105, 07C316 (2009).
  27. R. D. Desautels, J. van Lierop and J. M. Cadogan, "Disproportionation of cobalt ferrite nanoparticles upon annealing", J. Phys.: Conf. Ser. 217, 012105 (2010).
  28. R. D. Desautels, J. M. Cadogan and J. van Lierop, "Spin dynamics in CoFe2O4 nanoparticles", J. Appl. Phys., 103, 0E905 (2008).
  29. R. D. Desautels, E. Skoropata and J. van Lierop, "Moment fluctuations in 7 nm γ-Fe2O3 nanoparticles probed at the atomic level using Mössbauer spectroscopy", J. Appl. Phys., 103, 07D512 (2008).
  30. V. V. Volobuev, S. A. Nikolaevich and J. van Lierop, "Film thickness dependence of the enhanced EuS interface ordering temperature in EuS/Co thin films", J. Appl. Phys., 103, 07C905 (2008).
  31. K.-W. Lin, J.-Y. Guo, H.-Y. Liu, H. Ouyang, Y.-L. Chan, D.-H. Wei and J. van Lierop, "Anomalous exchange bias behavior in ion-beam bombarded NiCo/(Ni,Co)O bilayers", J. Appl. Phys., 103, 07C105 (2008).
  32. J. van Lierop, B.W. Southern, K.-W. Lin, Z.-Y. Guo, C.L. Harland, R.A. Rosenberg and J. W. Freeland "Exchange-bias in a columnar nanocrystalline Ni80Fe20/CoO thin film", Phys. Rev. B, 76, 224432 (2007).
  33. T.N. Shendruk, R.D. Desautels, B.W. Southern and J. van Lierop, "The effect of increased surface spin disorder on γ-Fe2O3 nanoparticle dispersions", Nanotechnology, 18, 455704 (2007).
  34. J. van Lierop, K.-W. Lin, J.-Y. Guo, H. Ouyang and B. W. Southern, "Proximity effects in an exchange biased Ni80Fe20 /Co3O4 thin-film", Phys. Rev. B, 75, 134409 (2007).
  35. H. Ouyang, K.-W. Lin, C.-C. Liu, Y.-M. Tzeng, Z.-Y. Guo, S.-C. Lo and J. van Lierop "Anomalous exchange bias in a nanoscale columnar Ni80 Fe20/NixFe(1-x)O thin-film bilayer", Phys. Rev. Lett., 98, 097204 (2007).
  36. K.-W. Lin, P.-H. Ko, Z.-Y. Guo, H. Ouyang and J. van Lierop, "Tuning the exchange bias in NiFe/Fe-oxide bilayers by way of different Fe-oxide based mixtures made with an ion-beam deposition technique", - invited paper, J. Nanosci. Nanotechnol.,7, 1 (2007).
  37. K.-W. Lin, J.-Y. Guo, S. Kahwaji, S.-C. Chang, H. Ouyang, J. van Lierop, N. N. Phuoc and T. Suzuki, "In-plane and perpendicular exchange bias in [Pt/Co]NiO multilayers", - invited paper, Phys. Stat. Sol. (a), 204, 3970, (2007).
  38. K.-W. Lin, J.-Y. Guo, C.-Y. Liu, H. Ouyang, J. van Lierop, N. N. Phuoc and T. Suzuki, "Exchange coupling in FePt-FePt3 nanocomposite films", Phys. Stat. Sol. (a), 204, 3991 (2007).
  39. J.-Y. Guo, C.-Y. Liu, H. Ouyang, K.-W. Lin, C.-J. Tsai, J. van Lierop, N. N. Phuoc and T. Suzuki, "Effects of ion-beam bombardment and post-annealing on the structural and magnetic properties of Fe/Pt multilayers", Phys. Stat. Sol. (c), 4, 4512 (2007).
  40. K.-W. Lin, J.-Y. Guo, S.-R. Lin, H. Ouyang, C.-J. Tsai, J. van Lierop, N. N. Phuoc and T. Suzuki, "Structural and magnetic properties of ion-beam bombarded Co/Pt multilayers", Phys. Stat. Sol. (c), 4, 4507 (2007).
  41. J. van Lierop, K.-W. Lin, P.-H. Ko, J.-Y. Guo and H. Ouyang, "Exchange bias in a nanocolumnar Ni80Fe20/ α-Fe2O3 thin-film", J. Appl Phys., 101, 09E505 (2007).
  42. J. van Lierop, C.J. Voyer, T. N. Shendruk, D.H. Ryan, J.M. Cadogan and L. Cranswick, "Magnetic fluctuations in Eu2BaNi1-xZnxO5 Haldane systems", Phys. Rev. B., 73, 174407 (2006).
  43. K.-W. Lin, Z.-Y. Guo, C.-Y. Liu and J. van Lierop, "Positive exchange-bias in a Ni80Fe20/ Ni(FeO) thin-film", J. Magn. Magn. Mater., 304, e124 (2006).
  44. J. van Lierop, K.-W. Lin, Z.-Y. Guo and B.W. Southern, "Enhancement of the exchange-bias onset temperature in a columnar nanocrystalline
    Ni80Fe20/Co3O4 thin-film"    , J. Appl. Phys., 99, 08C101 (2006).
  45. C.J. Voyer, J. van Lierop, D.H. Ryan and J.M. Cadogan, "Temperature dependence of induced Ni2+ moment fluctuations in the Eu2Ba NiO5 system", J. Appl. Phys., 99, 08H501 (2006).
  46. J. van Lierop, K.-W. Lin, Y.-M. Tzeng and C.-Y. Liu, "Anomalous positive exchange-bias in Ni80Fe20/Nix Fe1-xO bilayers", J. Appl. Phys., 99, 08C104 (2006).
  47. D.H. Ryan, J. van Lierop and J. M. Cadogan, "Zero-field muon spin relaxation studies of frustrated magnets: physics and analysis issues", J. Phys.: Condens. Matter, 16, S4619 (2004).
  48. M.C. Bennet, J. van Lierop, E. M. Berkeley, J. F. Mansfield,C. Henderson, M.C. Aronson, D.P. Young, A. Bianchi, Z. Fisk, F. Balakirev and A. Lacerda, "The origin of weak ferromagnetism in CaB6, Phys. Rev. B, 69, 132407 (2004).
  49. J. van Lierop, M.A. Schofield, L.H. Lewis and R.J. Gambino, "Exchange bias in a thin film dispersion of MnO nanocrystallites in Co", J. Magn. Magn. Mater., 264, 146 (2003)
  50. J. van Lierop, H.S. Isaacs, D.H. Ryan, A. Beath and E. McCalla, "Muon spin relaxation study of exchange biased Co/CoO", Phys. Rev. B, 67, 134430 (2003).
  51. D.H. Ryan, Miryam Elouney-Jamróz, J. van Lierop, Z. Altounian and H. B. Wang, "Field and temperature induced magnetic transition in Gd4 Sn4: A giant magnetocaloric material", Phys. Rev. Lett., 90, 117202 (2003).
  52. D.H. Ryan, A.D. Beath, E. McCalla, J. van Lierop and J.M. Cadogan, "Transverse spin freezing in a-(Fe1-xMnx)78Si 8B14: A site-frustrated metallic glass", Phys. Rev. B, 67, 104404 (2003).
  53. D.H. Ryan, J. van Lierop and J.M. Cadogan, "μSR and Mössbauer studies of transverse spin freezing", Physica B, 326, 450 (2003).
  54. D.H. Ryan, Saleema N.M., J. van Lierop, R. Gagnon and J.M. Cadogan, "170Yb Mössbauer study of magnetic ordering in Yb2Cu2O5", Hyperfine Interact., C5, 173 (2003).
  55. J. van Lierop, L.H. Lewis, K.E. Williams and R.J. Gambino, "Magnetic exchange effects in a nanocomposite Ni/NiO film", J. Appl. Phys., 91, 7210 (2002).
  56. J. van Lierop, D.H. Ryan and J.M. Cadogan, "A study of spin dynamics in the a-Fe90Sc10 spin-glass", J. Appl. Phys., 91, 8979 (2002).
  57. D.H. Ryan, J.M. Cadogan and J. van Lierop, Reply to "Comment on the `Field dependence of the transverse spin freezing transition' ", Phys. Rev. B, 65, 176402 (2002).
  58. J. van Lierop and D.H. Ryan, "Dynamics in fine particle magnets", Phys. Rev. B, 65, 104402 (2002).
  59. J. van Lierop and D.H. Ryan, "Selective excitation double Mössbauer spectroscopy", Hyperfine Interact., 141-2, 141 (2002).
  60. J. van Lierop, D.H. Ryan, M.E. Pumarol and M. Roseman, "A muon spin relaxation study of spin dynamics in a polysaccharide iron complex", J. Appl. Phys., 89, 7645 (2001).
  61. D.H. Ryan, J. van Lierop, M.E. Pumarol, M. Roseman and J.M. Cadogan, "A zero-field examination of transverse spin freezing", -invited paper, J. Appl. Phys., 89, 7039 (2001).
  62. D.H. Ryan, Saleema N.M., R. Gagnon and J. van Lierop "170Yb Mössbauer study of the YbCd5.7 quasicrystal and related phases", J. Phys.: Condens. Matter, 13, 10159 (2001).
  63. J. van Lierop and D.H. Ryan, "Spin dynamics in a frustrated magnet", Phys. Rev. Lett., 86, 4390 (2001).
  64. J. van Lierop and D.H. Ryan, "Mössbauer spectra of single-domain fine particle systems described using a multiple-level relaxation model for superparamagnets", Phys. Rev. B, 63, 064406 (2001).
  65. D.H. Ryan, J. van Lierop, M.E. Pumarol, M. Roseman and J.M. Cadogan, "The field dependence of the transverse spin freezing transition", Phys. Rev. B Rapid Comm., 63 140405 (2001).
  66. J. van Lierop and D.H. Ryan, "An improved selective excitation double Mössbauer spectrometer", Rev. Sci. Instrum., 72, 3349 (2001).
  67. J. van Lierop and D.H. Ryan, "Mössbauer spectra of ferrofluids characterized using a many state relaxation model for superparamagnets", J. Appl. Phys. 87, 6277 (2000).
  68. D.H. Ryan, J.M. Cadogan and J. van Lierop, "Transverse spin freezing in a-FexZr(100-x)studied using μSR", J. Appl. Phys. 87, 6525 (2000).
  69. J. van Lierop and D.H. Ryan, "Superparamagnetic spin dynamics studied using selective excitation double Mössbauer spectroscopy", Phys. Rev. Lett. 85, 3021 (2000).
  70. D.H. Ryan, J.M. Cadogan and J. van Lierop "Transverse spin freezing in Ruthenium-doped a-Fe90Zr10", Phys. Rev. B., 62, 8638 (2000).
  71. D.H. Ryan, J.M. Cadogan and J. van Lierop, μSR study of transverse spin freezing in a-FexZr100-x", Phys. Rev. B 61, 6816 (2000).
  72. J. van Lierop and D.H. Ryan, "Selective excitation double Mössbauer spectroscopy: In search of magnetic relaxation", J. Appl. Phys 85, 4518 (1999).
  73. A.N. Terentiev, S.H. Moffat, R.A. Hughes, J.S. Preston, J. van Lierop and J.P. Harrison, "Switching speed for controlled damping using thin film YBa2Cu3O7-δ", Cryogenics 37, 113 (1997).
  74. J. van Lierop, S.H. Moffat, J.P. Harrison, R.A. Hughes, J.S. Preston and A.N. Terentiev, "Flux dynamics in thin films of YBa2Cu3O7-δ", Czechoslovak Journal of Physics, 46 (supplement 3), 1633 (1996).
Copyright © Johan van Lierop