Magnetic Nanostructures Group

 


Synthesis and Size-Dependent Exchange Bias in Inverted Core-Shell MnO Mn3O4 Nanoparticles
Salazar-Alvarez, G.; Sort, J.; Surinach, S.; Baro, M. D.; Nogues, J.
J. Am. Chem. Soc.129(29), 9102, (2007)

Enhanced Coercivity in Co-Rich Near-Stoichiometric CoxFe 3-xO4+ Nanoparticles Prepared in Large Batches
Salazar-Alvarez, G.; Olsson, R. T.; Sort, J.; Macedo, W. A. A.; Ardisson, J. D.; Baro, M. D.; Gedde, U. W.; Nogues, J.
Chem. Mater B 19 (20), 4957, (2007)

Spin polarized intinerant electrons in Ca2FeMoO6
D. Rubi, J. Nogués, J.S. Muñoz, J. Fontcuberta
Materials Science and Engeneering B 126, 279, (2006)

A new approach to increase the curie temperature of Fe-Mo double perovskites
D. Rubi, C. Frontera, J. Nogués, J.S. Muñoz, J. Fontcuberta
Materials Science and Engeneering B 126, 139 (2006)

Controlling magnetic vortices through exchange bias

J. Sort, G. Salazar-Álvarez, M. D. Baró, B. Dieny, A. Hoffmann, V. Novosad, J. Nogués
Applied Physics Letters 88, 042502, (2006)

Direct synthesis of isolated L10 FePt nanoparticles in a robust TiO2 matrix via a combined sol-gel/pyrolysis route
J. Sort, S. Suriñach, M.D. Baró, D. Muraviev, G.I. Dzhardimalieva, N.D. Golubeva, S.I. Pomogailo, A.D. Pomogailo, W.A.A. Macedo, D. Weller, V. Skumryev, J. Nogués
Advanced Materials 18, 466, (2006)

Iron filled single wall carbon nanotubes – A novel ferromagnetic medium
E. Borowiak-Palen, E. Mendoza, A. Bachmatiuk, M.H. Rummeli, T. Gemming, J. Nogués, V. Skumryev, R.J. Kalenczuk, T. Pichler, S.R.P. Silva
Chemical Physics Letters 421, 129, (2006)

Magnetic order in an MnF2 epitaxial layer with the orthorhombic structure
I.V. Golosovsky, N.S. Sokolov, A.K. Kaveev, M. Boehm, J. Nogués, S. Nannarone
Journal of Theoretical and Experimental Physics Letters 83, 152 (2006)

Periodic arrays of micrometer and submicrometer magnetic structures prepared by nanoindentation of a nonmagnetic metallic compund
J. Sort, A. Concustell, E. Menendez, S. Suriñach, K.V. Rao, S.C. Deevi, M.D. Baró, J. Nogués
Advanced Materials 18, 1717, (2006)

Volume expnansion contribution to the magnetism of atomically disordered intermetallic alloys
J. Nogués, E. Apiñaniz, J. Sort, M. Amboage, M. d’Astuto, O. Mathon, R. Puzniak, I. Fita, J.S. Garitaonandia, S. Suriñach, J.S. Muñoz, M.D. Baró, F. Plazaola, F. Baudelet
Physical Review B 74, 024407, (2006)

Selective generation of local ferromagnetism in austenitic stainless steel using nanoindentation
J. Sort, A. Concustell, E. Menéndez, S. Suriñach, M.D. Baróm J. Farran, J. Nogués
Applied Physics Letters 89, 032509, (2006)

Imprinting vortices into antiferromagnets
J. Sort, K.S. Buchanan, V. Novosad, A. Hoffmann, G. Salazar-Alvarez, A. Bollero, M.D. Baró, B. Dieny, J. Nogués
Physical Review Letters 97, 067201, (2006)

High and low-temperature crystal and magnetic structures of -Fe2O3 and their correlation to its magnetic properties
M. Gich, C. Frontera, A. Roig, A. Taboada, E. Molins, H.R. Rechenberg, J.D. Ardisson, W.A.A. Macedo, C. Ritter, V. Hardy, J. Sort, V. Skumryev, J. Nogués
Chemistry of Materials 18, 3889, (2006)

Shell-driven magnetic stability in core-shell nanoparticles
J. Nogués, V. Skumryev, J. Sort, S. Stoyanov, D. Givord
Physical Review Letters 97, 157203, (2006)

Magneto-optical study of magnetization reversal asymmetry in exchange bias
. Tillmanns, S. Oertker, B. Beschoten, G. Güntherodt, C-Leighton, I.K. Schuller, J. Nogués
Applied Physics Letters 89, 202512, (2006)

Increasing the curie temperature of Ca2FeMoO6 double perovskite by introducing near-neighbour antiferromagnetic interactions
D. Rubi, C. Frontera, A. Roig, J. Nogués, J.S. Muñoz, J. Fontcuberta
Journal of Physics: Condensed Matter 17, 8037, (2005)

Using exchange bias to extend the temperature range of square loop behavior in [Pt/Co] multilayers with perpendicular anisotropy
J. Sort, F. Garcia, S. Auffret, B. Rodmaq, B. Dieny, V. Langlais, S. Suriñach, J.S. Muñoz, M.D. Baró, J. Nogués
Applied Physics Letters 87, 242504, (2005)

Exploting length scales of exchange bias systems to fully tailor double-shifted hysteresis loops

S. Brück, J. Sort, V. Baltz, S. Suriñach, J.S. Muñoz, B. Dieny, M.D. Baró, J. Nogués
Advanced Materials 17, 2978, (2005)

Differences in the magnetic properties of Co, Fe, and Ni 250-300 nm wide nanowires electrodeposited in amorphous anodized alumina templates
J. Qin, J. Nogués, M. Mikhaylova, A. Roig, J.S. Muñoz, M. Muhammed
Chemistry of Materials 17, 1829, (2005).

Exchange bias in ferromagnetic nanoparticles embedded in an antiferromagnetic matrix
J. Nogués, J. Sort, V. Langlais, S. Doppiu, B. Dieny, J.S. Muñoz, S. Suriñach, M.D. Baró, S. Stoyanov, and Y. Zhang
International Journal of Nanotechnology 2, 23 (2005)

Fundamentals of interface phenomena in advanced bulk nanoscale materials
B. Baretzky, M.D. Baró, G.P. Grabovetskaya, J. Gubicza, M.B. Ivanov, Y.R. Kolobov, T.G. Langdon, J. Lewndvai, A.G. Lipnitskii, A.A. Mazilkin, A.A. Nazarov, J. Nogués, I.A. Ovidko, S.G. Protasova, G.I. Raab, Á. Révész, N.V. Skiba, J. Sort,. M.J. Starink, B.B. Straumal, S. Suriñach, T. Ungár, A.P. Zhilyaev
Reviews on Advanced Materials Science 9, 45, (2005)

Exchange coupling mechanism for magnetization reversal and thermal stability of Co nanoparticles embedded in a CoO matrix
D. Givord, V. Skumryev, J. Nogués
Journal of Magnetism and Magnetic Materials 294, 111, (2005)

Origin of the asymmetric magnetization reversal behavior in exchange biased systems: competing anisotropies
J. Camarero, J. Sort, A. Hoffmann, J.M. García-Martín, B. Dieny, R. Miranda, J. Nogués
Physical Review Letters 95, 057204, (2005)

Magnetization reversal in submicron disks: exchange biased vortices
J. Sort, A. Hoffmann, S.H. Chung, K.S. Buchanan, M. Grimsditch, M.D. Baró, B. Dieny, J. Nogués
Physical Review Letters 95, 067201, (2005)

Large coercivity and low-temperature magnetic reorienetation in -Fe2O3 nanoparticles
M. Gich, A. Roig, C. Frontera, E. Molins, J. Sort, M. Popovici, G. Chouteau, D. Martín Marero, J. Nogués
Journal of Applied Physics 98, 044307, (2005).

Exchange bias in antiferromagnetic-ferromagnetic-antiferromagnetic structures with out-of-plane magnetization
J. Sort, B. Dieny, J. Nogués
Physical Review B72, 104412, (2005)

Exchange bias in nanostructures
J. Nogués, J. Sort, V. Langlais, V. Skumryev, S. Suriñach, J.S. Muñoz, M.D. Baró
Physics Reports 422, 65, (2005)

Ultraporous single pahse iron oxide – silica nanostructured aerogels from ferrous precursors
M. Popovici, M. Gich, A. Roig, Ll. Casas, E. Molins, C. Savii, D. Becherescu, J. Sort, S. Suriñach, J.S. Muñoz, M.D. Baró, J. Nogués
Langmuir, 20, 1425 (2004)

Exchange bias effects in Fe nanoparticles embedded in an antiferromagnetic Cr2O3 matrix
J. Sort, V. Langalis, S. Doppiu, B. Dieny, S. Suriñach, J.S. Muñoz, M.D. Baró, Ch. Laurent, J. Nogués
Nanotechnology ,15, S111 (2004)

Correlation between stacking fault formation, allotropic phase transformations and magnetic properties of ball-milled cobalt
J. Sort, J. Nogués, S. Suriñach, J. S. Muñoz and M. D. Baró
Materials Science and Engineering A (2004) in press.

Enhanced ferromagnetic interactions in electron doped NdxSr2-xFeMoO6 double perovskites
D. Rubi, C. Frontera, J. Nogués, J. Fontcuberta
Journal of Physics Condensed Matter, 16, 3173 (2004)

Electrical and magnetic properties of La(Ba)MnO3 thin films
T. Endo, S. Iwasaki, K. Yoshii, T. Sakurada, M. Ogata, A.K. Sarkar, J. Nogués, J.S. Muñoz, J. Colino
Transactions of the Materials Research Society of Japan 29,1431 (2004)

Changes in ferromagnetic spin structure induced by exchange bias
W.A.A. Macedo, B. Sahoo, V. Kuncser, J. Eisenmenger, I. Felner, J. Nogués, K. Liu, W. Keune, I.K. Schuller
Physical Review B 70, 224414 (2004)

Controlled reduction of NiO using reactive ball milling under hydrogen atmosphere leading to Ni-NiO nanocomposites
S. Doppiu, V. Langlais, J. Sort, S. Suriñach, M.D. Baró, Y. Zhang, G. Hadjipanayis, J. Nogués
Chemistry of Materials 16, 5664, (2004)

Optimized synthesis of the elusive -Fe2O3 phase via sol-gel chemistry
M. Popovici, M. Gich, D. Niznansky, A. Roig, C. Savii, L. Casas, E. Molins, K. Zaveta, C. Enache, J. Sort, S. de Brion, G. Chouteau, J. Nogués
Chemistry of Materials 16, 5542, (2004)

Antisites and electron doping effects on the magnetic transition of Sr2FeMoO6 double perovskite
J. Navarro, J. Nogués, J.S. Muñoz, J. Fontcuberta
Physical Review B 67, 174416, 1-6 (2003)

Coercivity enhancement in ball-milled and heat-treated Sr-Ferrite with iron sulphide
J. Sort, J. Nogués, S. Suriñach, J.S. Muñoz, M.D. Baró
Journal Metastable and Nanocrystalline Materials, 15-16, 599-606, (2003)

Tailoring the exchange bias in ferromagnetic/antiferromagnetic exchange-coupled systems via shape anisotropy
A. Hoffmann, M. Grimsdich, J.E. Pearson, J. Nogués, W.A:A: Macedo, I.K. Schuller
Physical Review B 67, 220406(R), (2003)

Role of stacking faults in the structural and magnetic properties of ball milled cobalt
J. Sort, S. Suriñach, J.S. Muñoz, M.D. Baró, M. Wojcik, E. Jedryka, S. Nadolski, N. Sheludko, J. Nogués
Physical Review, B 68, 014421 (2003)

Beating the superparamagnetic limit with exchange bias
V. Skumryev, S. Stoyanov, Y. Zhang, G. Hadjipanayis, D. Givord, J. Nogués
Nature (London), 423, 850 (2003)

Origin of complex exchange anisotropy in Fe/MnF2 bilayer
I.N. Krivorotov, C. Leighton, J. Nogués, I.K. Schuller, E.D. Dahlberg
Physical Review B 68, 054430 (2003)

Temperature dependnece of FMR of La-Ba-Mn-O thin films
S. Iwasaki, M. Tada, J. Yamada, Y. Inamori, J. Nogués, T. Endo
Physica B, 329-333, 794-796 (2003)

Microstructural effects and large microhardness in cobalt processed by high pressure torsion consolidation of ball milled powders
J. Sort, A. Zhilyaev, M. Zielinska, J. Nogués, S. Suriñach, J. Thibault, M.D. Baró
Acta Materialia, 51, 6385 (2003)

Ordered magnetic nanostructres: fabrication and properties
J.I. Martín, J. Nogués, K.Liu, J.L. Vicent, I.K. Schuller
Journal of Magnetism and Magnetic Materials, 256, 449 (2003)

Microstructural aspects of the hcp-fcc allotropic phase transformation induced in Cobalt by ball milling

J. Sort, J. Nogués, S. Suriñach, M.D. Baró
Philosophical Magazine, 83, 439 (2003)

Magnetic interaction effects on the hard magnetic properties of ball-milled SmCo5+NiO and SmCo5+CoO composites: A ΔM plot study
J. Sort, S. Suriñach, J.S. Muñoz, M.D. Baró, J. Nogués, S. de Brion, G. Chouteau
Journal of Applied Physics, 93, 8140 (2003)

High anisotropy Sm-Co nanoparticles: preparation by cluster gun technique and their magnetic properties
S. Stoyanov, V. Skumryev, Y. Zhang, G. Hadjipanayis, J. Nogués
Journal of Applied Physics, 93, 7592 (2003)

Isothermal tuning of exchange bias using pulsed fields
J. Nogués, J. Sort, S. Suriñach, J.S. Muñoz, M.D. Baró, J.F. Bobo, U. Lüders, E. Haanappel, M.R. Fitzsimmons A. Hoffmann, J.W. Cai
Applied Physics Letters, 82, 3044 (2003)

High coercivity ultralight transparent magnets
M. Gich, L. Casas, A. Roig, E. Molins, J. Sort, S. Suriñach, J.S. Muñoz, L. Morellon, M.R. Ibarra, J. Nogués
Applied Physics Letters 82, 4307, (2003)

Coercivity enhancement above the Néel temperature of an antiferromaget/ferromagnet layer
C. Leighton, H. Suhl, M. Pechan, R. Compton, J. Nogués, I.K. Schuller
Journal of Applied Physics, 92, 1483 (2002)

Effect of anisotropy on the critical antiferromagnetic thickness in exchange bias bilayers
M.S. Lund, W.A.A. Macedo, K. Liu, J. Nogués, I.K. Schuller, C. Leighton
Physical Review B 66, 054422, 1-7 (2002)

Effect of the milling energy on the milling induced hcp-fcc cobalt allotropic transformations
J. Sort, N.M. Mateescu, J. Nogués, S. Suriñach, M.D. Baró
Journal of Metastable and Nanocrystalline Materials 12, 126 (2002)

Nanostructures and proximity effect
M.I. Montero, K. Liu, O.M. Stoll, A. Hoffmann, J.J. Åkerman, J.I. Martín, J.L. Vicent, S.M. Baker, T.P. Russell, C. Leighton, J. Nogués, I.K. Schuller
Journal of Physics D: Applied Physics, 35, 2398 (2002)

Fabrication and thermal stability of arrays of Fe nanodots
K. Liu, J. Nogués, C. Leighton, I.V. Roshchin, I.K. Schuller, H. Masuda, K. Nishio
Applied Physics Letters, 81, 4434 (2002)

Effect of magnetic interactions on the magnetic properties of ball-milled SmCo5+NiO powders
J. Sort, J. Nogués, S. Suriñach, J.S. Muñoz, G. Chouteau, M.D. Baró
Journal of Magnetism and Magnetic Materials, 242-245, 1287-1289, (2002)

Relation between exchange anisotropy and magnetization reversal asymmetry in Fe/MnF2 bilayers
I.N. Krivorotov, C. Leighton, J. Nogués, I.K. Schuller, E.D. Dahlberg
Physical Review B 65, 100402(R) 1-4 (2002)

Structural and magnetic characterization of high-coercive ball milled hard magentic (SmCo5 ) + antiferromagentic (NiO) composites
J. Sort, J. Nogués, S. Suriñach, J.S. Muñoz, E. Chappel, F. Dupont, G. Chouteau, M.D. Baró
Materials Science Forum, 386-388, 465-472, (2002)

Influence of in-plane crystalline quality of an antiferromagnet on perpendicular exchange coupling and exchange bias
M. Fitzsimmons, C. Leighton, J. Nogués, A. Hoffmann, K. Liu, C.F. Majrzak, J.A. Dura, J.R.Groves, R.W. S. Springer, P.N. Arendt, V. Leiner, H-. Lauter, I.K. Schuller
Physical Review B 65, 134436, 1-8 (2002)

Improving the energy product of hard magentic matertials
J. Sort, S. Suriñach, J.S. Muñoz, M.D. Baró, J. Nogués, G. Chouteau, V. Skumryev, G.C. Hadjipanayis
Physical Review B 65, 174420, 1-5 (2002)

Disordering of B2 intermetallics by ball milling, with particular attention to FeA
D.G. Morris, X. Amils, J. Nogués, S. Suriñach, M.D. Baró, M.A. Muñoz-Morris
l” International Journal of Non-Equilibrium Processing, 11, 379 (2002)

Induced anisotropy and positivce exchaneg bias: a temperature, angular and cooling field study by ferromagnetic resonance
M.J. Pechan, D. Bennett, N. Teng, C. Leighton, J. Nogués, I.K. Schuller
Physical Review B 65, 064410 1-5 (2002)

Coercivity and squareness enhancement in ball-milled hard magnetic – antiferromagnetic composites
J. Sort, J. Nogués, S. Suriñach, J.S. Muñoz, M.D. Baró, E. Chappel, F. Dupont, G. Chouteau
Applied Physics Letters, 79 ,1142, (2001)

Influnece of structural disorder and temeprature on magnetization reversal in exchange coupled bilayers
M. Fitzsimmons, C. Leighton, A. Hoffmann, P.C. Yashar, J. Nogués, I.K. Schuller, K. Liu, C.F. Majkrzak, J. Dura, H. Fritzsche
Physsical Review, B 64, 104415 1-5 (2001)

New possibilities of synchrotron radiation diffraction topography for the investigation of ‘exotic’ magnetic domains
J. Baruchel, P.C. de Camargo, H. Klein, . Mazzaro, J. Nogués, A. de Oliveira
Journal of Physics D: Applied Physics, 34, A114 (2001)

Two stage magnetization reversal in exchange biased bilayers
C. Leightonm, M.R. Fitzsimmons, P. Yashar, A. Hoffmann, J. Nogués, J. Dura, C.F. Majkrzak, I.K. Schuller
Physical Review Letters, 86, 4394 (2001)

Paramagnetic behavior and correlation between high and low temperature structural and magnetic interations in La1-xSrxMnO3 (x = 1/8) single crystal perovskites
J. Nogués, V. Skumryev, J.S. Muñoz, B. Martínez, J. Fontcuberta, L. Pinsard, A. Revcolevschi
Physical Review ,B 64, 024434 1-6 (2001)

Deposition of epitaxial -Fe2O3 layers for exchange bias studies by reactive d.c. magnetron sputtering
C. Leighton, A. Hoffmann, M.R. Fitzsimmons, J. Nogués, I.K. Schuller
Philosophical Magazin, B 81, 1927 (2001)

Effects of Oxygen Partial Pressure on thin film growth of La-Ba-Mn-O System
J. Yamada, M. Tada, A. Hashizume, H. Kohmoto, E. Takahashi, S. Shiomi, T. Endo, J. Nogués, J.S. Muñoz, T. Masu
Transactions of the Materials Reserearch Sociecty of Japan, 26, 1049 (2001)

Micro- and Macroscopic study of the disordering (ball milling) and posterior reordering (annealing) of Fe-40Al%.
X. Amils, J.S. Garitaonandia, J. Nogués, S. Suriñach, F. Plazaola, J.S. Muñoz, M.D. Baró
Journal of Non-Crystalline. Solids, 287, 272 (2001)

Ac-Susceptibility study of the low doped regime of La1-xSrxMnO3
B. Martínez, V. Laukhin, J. Fontcuberta, J. Nogués, V. Skumryev, J.S. Muñoz, L. Pinsrad, A. Revcolevschi
Journal of Applied Physics 89 6633-6635 (2001).

Bragg-diffraction imaging of magnetic crystals with third generation synchrotron radiation
J. Baruchel, E. Boller, J.I. Espese, H. Klein, C. Medrano, J. Nogués, E. Pernot, M. Schlenker
Journal of Magnetism and Magnetic Materials, 233, 38 (2001)

Tailoring of paramagnetic (structurally ordered) nanometric grains separated by ferromagnetic (structurally disordered) grain boundaaries: Idsolating grain boundariy magnetic effects
X. Amils, J. Nogués, S. Surinach, J.S. Munoz, M.D. Baró, A. Hernando, J.P. Morniroli
Physical Review, B 63, 052402 (4 pages) (2001)

La1-xBaxMnOz thin film growth by ion beam sputtering: effects of oxygen partial pressure
M. Tada, J. Yamada, V.V. Srinivasu, V. Sreedevi, H. Kohmoto, A. Hashizume, Y. Inamori, T. Tanaka, A. Harrou, J. Nogués, J.S. Muñoz, J.M. Colino, T. Endo
Journal of Crystal Growth, 229, 415 (2001)

Anomalous anisotropic ac susceptibility response of La1-xSrxMnO3 (x=1/8) crystals: Relevance to phase separation
V. Skumryev, J. Nogués, J.S. Muñoz, B. Martinez, R. Senis, J. Fontcuberta, L. Pinsard, A. evcolevschi, Y.M. Mukovskii
Physical Review, B 62, 3879, (2000)

Room temperature magnetic hardening in Mechanically milled ferromagnetic- antiferromagnetic composites
J. Sort, J. Nogués, X. Amils, S. Suriñach, J.S. Muñoz, M.D. Baró
Journal of Magnetism and Magnetic Materials, 219, 53, (2000)

Enduriment Magnètic induït per l’acoblament de material ferromagnètic i antiferromagnètic
J. Sort, J. Nogués, S. Suriñach, J.S. Muñoz, M.D. Baró
Revista de Física, 16 (2n semestre 2000).

Coercivity enhancement in excahnge bias systems driven by interfacial magnetic frustartion
C. Leighton, J. Nogués, J. Jönsson-Åkerman, I.K. Schuller
Physical Review Letters, 84, 3466 (2000)

Reversal asymmetry in exchange biased hysteresis loops as probed by magnetoresitance measurements
C. Leighton, M. Song, J. Nogués, M.C. Cyrille, I.K. Schuller
Journal of Applied Physics, 88, 344 (2000)

Asymmetric magnetization reversal in exchange baised hysteresis loops
M.R. Fitzsimmons, P. Yashar, C. Leighton, I.K. Schuller, J. Nogués, C.F. Majkrzak, J. Dura
Physical Review Letters, 84, 3986 (2000)

Hardening and softening of FeAl during milling and annealing
X. Amils, J. Nogués, S. Suriñach, M.D. Baró, M.A. Morris-Muñoz; D.G. Morris
Intermetallics, 8, 805 (2000)

Correlastion between the microstructure and enhanced room temperature coercivity in ball milled ferromagnetic-antiferromagnetic composites
J. Sort, J. Nogués, X. Amils, S. Suriñach, J.S. Muñoz, M.D. Baro
Materials Science Forum, 343, 812,(2000)

Correlation Between Antiferromagnetic Interface Coupling and Positive Exchange Bias
J. Nogués, C. Leighton, I.K. Schuller
Physical Review, B 61, 1315 (2000)

Antiferromagnetic Spin Flop and Exchange Bias
J. Nogués, L. Morellon, C. Leighton, M.R. Ibarra, I.K. Schuller
Physical Review, B 61, R6455 (2000)

Magnetic Hardening induced by exchange coupling in mechanically milled antiferromagnetic -ferromagnetic composites
J. Sort, J. Nogués, X. Amils, S. Suriñach, J.S. Muñoz, M.D. Baro
Materials Research Society Symposium Proceedings, 581, 641 (2000)

Magnetic domain and domain wall imaging of submicron Co dots by probing the magnetostrictive response using Atomic Force Microscopy

J. Wittborn, K.V. Rao, J. Nogués, I.K. Schuller
Applied Physics Letters, 76, 2931 (2000)

Correlation between magnetic and structural parameters in Fe-40Al at% nanostructured Alloys
X. Amils, J. Nogués. J.S. Muñoz, S. Suriñach, M.D. Baro
Materials Science Forum, 321, 531 (1999)

Competing inerfacial exchange and Zeeman energies in exchange biased bilayers

C. Leighton, J. Nogués, H. Suhl, I.K. Schuller
Physical Review B 60, 12837 (1999)

Room temperature coercivity enhancement in mechanically alloyed antiferromagnetic-ferromagnetc powders
J. Sort, J. Nogués, X. Amils, S. Suriñach, J.S. Muñoz, M.D. Baro
Applied. Phyics Letters, 75, 3177 (1999)

Spin Waves in Exchange Biased Fe/FeF2
P. Miltényi, M. Gruyters, G. Güntherodt, J. Nogués, Ivan K. Schuller
Physical Review B 59, 3333 (1999)

Tuning Exchange Bias
P. Milényi, M Gierlings, M. Bamming, U. May, G. Güntherodt, J. Nogués. M. Gruyters, C. Leighton, Ivan K. Schuller
Applied Physics Letters, 75, 2304 (1999)

Structural, Mechanical and Magnetic Properties of Nanostructured FeAl Alloys During Disordering and Thermal Recovery
X. Amils, J. Nogués, S. Suriñach, J.S. Muñoz, L. Lutteroti, S. Gialanella, M.D. Baró
NanoStructured Materials, 11, 689 (1999)

Microstructure and Hardness of a Nanostructured Fe-40Al at. % Alloy
X. Amils, J. Nogués, S. Suriñach, J.S. Muñoz, L. Lutterotti, M.D. Baró
Nanostructured Materials, 12, 801 (1999)

Magnetric Investigations on the disrdering of a Ball Milled Fe-40Al at.% Alloy
X. Amils, J. Nogués, S. Suriñach, M.D. Baró
Journal of Magnetism and Magnetic Materials, 203, 129 (1999)

Magnetic Investigations on the reordering of a Ball Milled Fe 40 Al at. % Alloy
X. Amils, J. Nogués, S. Suriñach, M.D. Baró
Journal of Magnetism and Magnetic Materials 196 185-7 (1999)

Exchange Bias
J. Nogués, I.K. Schuller
Journal of Magnetism and Magnetic Materials, 192, 203 (1999)

Role of the Interface Structure in Exchange Bias: Comaprison of Antiferromagnetic Thin Flms and Single Crystals
J. Nogués, T.J. Moran, D. Lederman, Ivan K. Schuller, K.V. Rao
Physical Review B 59, 6984 (1999)

Influence of Magnetization on the Reordering of Nanostructured Ball Milled Fe-40 at.% Al Powders
A. Hernando, X. Amils, J. Nogués, S. Suriñach, M.D. Baró, M.R. Ibarra
Physical Review B 58, R11864 (1998)

Measurement of the Ferromagnetic/Antiferromagnetic Interfacial Exchange Energy in Co/CoO and Fe/FeF2 Layers
E.D. Dahlberg, B. Miller, B. Hill, B.J. Jönsson, V. Ström, K.V. Rao, J. Nogués, I.K. Schuller
Journal of Applied Physics, 83, 6893 (1998)

Fabrication of Submicrometric Magnetic Structures by Electron Beam Lithography
J.I. Martín, Y. Jaccard, A. Hoffmann, J. Nogués, J.M. George, J.L. Vicent and I.K. Schuller
Journal of Applied Physics, 8,4 411 (1998)

Magnetic Properties of Ball Milled Fe-40%Al at Alloys
X. Amils, J. Nogués, S. Suriñach, M.D. Baró and J.S. Muñoz
IEEE Transactions on Magnetism, 34, 1129 (1998)

Magnetic and X-ary Diffraction Investigations of the Reordfering of a Ball Milled Fe-40Al at% Alloy
X. Amils, J. Nogués, S. Suriñach, M.D. Baró, J.S. Muñoz
Materials Science Forum, 269 ,637(1998)

Pinning Effects by Arrays of Magnetic Dots on Niobium Film
J.I. Martín, M. Vélez, J. Nogués, A. Hoffman, Y. Jaccard, I.K. Schuller
Journal of Magnetism and Magnetic Materials 177, 915 (1998)

Magnetization Reversal in Long Chains of Submicrometric Co Dots
J.I. Martín, J. Nogués, I.K. Schuller, M.J. van Bael, K. Temst, C. van Haesendonck, V.V. Moshalkov, Y. Bruynseraede
Applied Physics Letters, 72, 255 (1998)

Comparative Scanning Tunneling Microscopic and Rocking Curve - X-ray Characterization of Metallic Thin Films
J. Nogués, I.V. Zakharchenko, K.V. Rao
Thin Solid Films, 325, 30 (1998)

Are Random Walks Random?
J. Nogués, J.L. Costa, K.V. Rao
Physica A 250, 327 (1998)

Perpendicular Coupling at FeF2/Fe Interfaces
T.J. Moran, J. Nogués, D. Lederman, I.K. Schuller
Applied Physics Letters, 72, 617 (1998)

Exchange Anisotropy and the Antiferromagnetic Surface order Parameter
D. Lederman, J. Nogués, Ivan K. Schuller
Physical Review B 56, 2332 (1997)

Flux Pinning in a Superconductor by an Array of Magnetic Dots
J.I. Martín, M. Vélez, J. Nogués, I.K. Schuller
Physical Review Lettettrs 79, 1929 (1997)

Large Exchange Bias and its Connection to Interface Structure in FeF2-Fe Bilayers
J. Nogués, D. Lederman, T.J. Moran, I.K. Schuller
Applied Physics Letters, 68, 3186 (1996)

Positive Exchange Bias in FeF2 - Fe Bilayers
J. Nogués, D. Lederman, T.J. Moran, Ivan K. Schuller
Physical Review Letters, 76, 4624 (1996)

A STM Study of the microstructure of Amorphous and Nanocrystalline Fe-Zr-B-Cu Ribbons
J. Nogués, K.V. Rao, A. Inoue, K. Suzuki
NanoStructured Materials, ,5, 281 (1995)

Direct Measurement of Magnetostrictive Process in Amorphous Wire using Scanning Tunneling Microscopy
J.L. Costa, J. Nogués, K.V. Rao
Applied Physics Letters, 66, 3374 (1995)

Inexpensive High-Voltage Low-Current Amplifier for Driving Long Range Scanning Tunneling Microscope Piezoactuators
V. Ström, R.D. Gomez, J. Nogués, B. Rodell, K.V. Rao
Measurement Science and Technology, 6, 1072 (1995)

Scanning Tunneling Micriscope and Tunneling Stabilized Magnetic Force Microscope Characterization of Magnetic Nanocrystalline Materials
J. Nogués, B. Rodell, K.V. Rao
Journal of Vacuum Science and Technology. B 12, 1851, (1994)

On the Frequency Dependence of the Ferro-to-Spin Glass Transition of Amorphous Fe-Rich Fe-Zr
J. Nogués, K.V. Rao
Journal of Magnetism and Magnetic Materials, 135, L11 (1994)


Functional Properties of Single Crystal and Laser Deposited Thin Films of Cubic BKBO Superconductors
K.V. Rao, J. Nogués, B.M. Moon, Z. Iqbal
Applied Sperconductivity, 1, 1763 (1993)

Very Low Field Ac-Response at the Loss of Long Range Magnetic Order in Amorphous Fe90Zr10
J. Nogués, K.V. Rao
IEEE Transactions on Magnetics, 29, 3246 (1993)

Energy Gap of Bi-Based Single Crystal by Ac-Susceptibility
J. Nogués, V. Skumryev, K.V. Rao
IEEE Transactions on Magnetics, 29, 3598 (1993)

Synthesis of superconducting Pb/Sb doped BiSrCaCuO compound via oxalate coprecipitation
Yu Zhang, M. Muhammed, L. Wang, J. Nogués, K.V. Rao
Materials Chemistry and Physics, 3, 153 (1992)

Fractal dimension of thin film surfaces of gold sputter deposited in mica: A scanning tunneling microscopic study
J. Nogués, J.L. Costa, K.V. Rao .
Physica A 182, 532 (1992)

Atomic scale probe into high-Tc superconductors using scanning tunneling microscopy
J. Nogués, K.V. Rao
Science and Technology of Nanostructured Magnetic Materials. (NATO ASI Series B, Physics: Vol 259) Eds. G.C. Hadjipanayis & G. Prinz Editors, (Plenum Publ.), 259, 339 (1991)

Magnetic properties of Zn-substituted Co-Ge-Fe-O Ferrites near the dilution limit
J. Nogués, T. Puig, R.B. Jotania, R.V. Upadhyay, R.G. Kulkarni, K.V. Rao
Journal Magnetism and Magnetic Materials, 99, 275 (1991)

Magnetic transitions in single-crystal thulium
H.U. Åström, J. Nogués, G.K. Nicolaides, K.V. Rao, G. Benediktsson
Journal of Physics: Condensed Matter, 3, 7395 (1991)

Bean's, Kim's and exponential critical state models for high Tc superconductors
D-X Chen, A. Sánchez, J. Nogués, J.S. Muñoz
Physical Review B 41, 9510, (1990)

Ac-Susceptibility and Intergranular Critical Current Density of High-Tc Superconductors
D-X Chen, J. Nogués, and K.V. Rao
Cryogenics, 29, 800 (1989)

Magnetic Susceptibility of Sintered and Powder Y-Ba-Cu-O
D-X. Chen, R.B. Goldfarb, J. Nogués, and K.V. Rao.
Journal Applied Physics, 63, 981 (1988)

High Tc Superconductive Materials: Bulk or Twinned Domain/Grain Boundary Percolative Network Superconductors?
N. García, S. Vieira, A.M. Baró, J. Tornero, M. Pazos, L. Vázquez, J. Gómez, A. Aguiló, S. Bourgeal, A. Buendía, M. Hortal, M.A. López de la Torre, M.A. Ramos, R. Villar, K.V. Rao, D-X Chen, Josep Nogués, and N. Karpe.
Zeitschrift für. Physik B 70 9-13 (1988)

Magnetic behavior of amorphous Fe-Ni-Zr alloys and their response to radiation damage
C.E. Violet, R.J. Borg, Leopold May, K.V. Rao, J. Nogués, R.D. Taylor, A.P. Batra.
Hyperfine Interactions, 42, 963 (1988)

Two Stage Magnetization Behaviour in the High Tc Superconductor Y1Ba2Cu3O7 x
D-X Chen, J. Nogués, N. Karpe, K.V. Rao.
Kexue Tongbao (Chinese Science Bulletin), 33, 560 (1988)

Effect of Cold-Rolling on the Magnetic Transitions in Au83Fe17
D-X Chen, J. Nogués, K.V. Rao, C.E. Violet, R.J. Borg.
Chinese Physics Letters, 5, 129 (1988)

Ac Magnetic Susceptibility of YBa2Cu3O7-x
Yu Mei, H.L. Luo, D.X. Chen, J. Nogués, K.V. Rao
Journal of Applied Physics, 64, 2533 (1988).

Carrier Concentration and High Tc Superconductivity.
N. Karpe, I. Szymczak, D -X Chen, A. Sánchez, J. Nogués, and K.V. Rao.
Materials Research Society Symposium Proceedings, 99, 483 (1988)

Fabricación y propiedades de estructuras submicrométricas de materiales magneticos
J.I. Martín, M. Vélez, J. Nogués, I.K. Schulle
Revista Española de Física 12 (3,) 22, (1988)

Frequency and field dependencies of the ac-susceptibility: a probe to the microstructure of high Tc superconducting materials
K.V. Rao, D-X Chen, Josep Nogués, C. Politis, C. Gallo, J.A. Gerber.
MRS-Spring Meeting, Eds. D.U. Gubser,M. Schluter, (Mat. Res. Society Publ.) 133 (1987)

Conductivity and ac-susceptibility measurements of high Tc superconductors: Microscopic (STM) versus macroscopic measurements
N. García, S. Vieira, A.M. Baró, L. Vázquez, J. Gómez, A. Aguiló, S. Bourgeal, A. Buendía, J. Tornero, M. Hortal, M.A. López de La Torre, M.A. Ramos, R. Villar, K.V. Rao, D-X Chen, J. Nogués.
Proc. European Workshop on High Tc Superconductors and Potential Aplications, (EEC, 1987) 97, (1987)