Scientific papers - pg. 4

#140 Structural disorder in two-dimensional random magnets: very thin films of rare earth and transition metal

J.M. Ruiz, X.X. Zhang, O. Iglesias, A. García and J. Tejada

Phys. Rev. B47, 11848-11851 (1993)

#139 Quantum relaxation in random magnets

J. Tejada, X.X. Zhang and E.M. Chudnovsky

Phys.Rev. B47 14977-14987 (1993)

#138 Langevin equation approade for slow dynamics in magnetic systems submitted

J.M. Sancho, A. Lacasta, M.C. Torrent and J. Tejada

Phys. Letters A, 181, 335-339(1993)

#137 Paramagnetic-Susceptibility of Nonstoichiometric Fluorides with the Fluorite-Type Structure

Bohigas X, Folch A, Tejada. J, Sorokin NI and Sobolev-BP

J. Solid State Chemistry, 102, 198-203 (1993)

#136 Quantum depinning of domain wall in ferromangets

X.X. Zhang, R. Zquiak, B. Barbara, and J. Tejada

J. Phys. Condens. Matter, 4, 10347-10352 (1992)

#135 Experimental evidence of quantum tunneling in Tl Ba Ca Cu O

A. García, X.X. Zhang, A.M. Testa, D. Fiorani and J. Tejada

J. Phys. Condens. Matter, 4, 10341-10346 (1992)

#134 Magnetic behaviour of Fe/Y Multilayers versus magnetic layer thickness

X.X. Zhang, R. Zquiak, J.M. Ruiz and J. Tejada

J.Mag.Mag.Mat. 118. 70-76 (1993)

#133 Dependence on magnetic viscosity on tempeature and external magnetic fields in very thin iron films (5A) deposited onto cyrstalline Cu(111)

J. Tejada, Ll. Balcells and X.X. Zhang

J.Mag.Mag.Mat. 118 , 65-69 (1993)

#132 Sharp Transition between thermal and quantum tunneling regimes in magnetization relaxation processes

J. Tejada, X.X. Zhang and B. Barbara

J. Mag. Mag. Mat., 121, 227-229 (1993)

#131 Magnetization and Mossbauer Studies of Ultrafine Fe-C Particles

Linderoth-S Balcells-L Labarta-A Tejada-J Hendriksen-PV Sethi-SA

J.Mag.Mag.Mat. 124, 269-276 (1993)

#130 Magnetic properties of nanocrystalline, barium hexaferrite powders: anisotropy field and interaction effects

H. Pfeizer, W. Schüppel, P. Görnert, M. García del Muro and J. Tejada

J.Mag.Mag.Mat. 127, 229-232 (1993)

#129 Quantum tunneling of magnetization in single domain particles

J. Tejada, Ll. Balcells, S. Linderoth, B. Rigau and S.C. Bacri

J. Appl. Phys. 73, 6952-6954 (1993)

#128 Non-thermal viscosity in magnets: Quantum Tunneling of the Magnetization

J. Tejada, X.X. Zhang and Ll. Balcells

J. Appl. Phys. 73, 6709-6714 (1993) (invited paper)

#127 Magnetic Study of M-Type Doped Barium Ferrite Nanocrystalline Powders

X. Batlle, M. García del Muro and J. Tejada, H. Pfeiffer, P. G örnett and E. Sinn.

J. Appl. Phys. 74 (5), 3333-3340 (1993)

#126 Non-thermal viscosity in the magnetic relaxation of 2d Random Magnets

J. Tejada, X.X. Zhang, J.M. Ruiz, Ll. Balcells, O. Iglesias and B. Barbara

Europhys. Lett. 22, 211-216 (1993)

#125 Evidence of the extended orientational order in amorpohous alloys obtained from magnetic measurements

E.M. Chudnovsky and J. Tejada

Europhys. Lett., 23, 517-522 (1993)

#124 Flux motion in Bi and T1-based superconductors

D. Fiorani, A.M. Testa, J. Tejada

Applied Superconductivity, vol.1 Iss 7-9, pp 935-945 (1993)

#123 Quantum tunnelling effects in Fe/Sm multilayers

X.X. Zhang, Ll. Balcells, J.M. Ruiz, J.L. Tholence, B. Barbara and J. Tejada

J.Phys.: C L163-L168 4 (1992)

#122 Quantum Tunneling of Magnetization in multilayer system

Ll. Balcells, X.X. Zhang, F. Badia, J.M. Ruiz, C. Ferrater and J. Tejada

J.Mag.Mag.Mat. 109 L159-L163 (1992)

#121 Magnetic Interactions in the compounds Fe0.33NbTiP3O12, Sn0.5NbTiP3O12 and Fe0.5NbTiP3O12

F. Berry, J. Marco, J. Tejada and F. Badia

Pergamon Press, vol. 11, 1157-1159 (1992)

#120 Time dependent phenomena at low temperatures in SmCo multilayers: quantum nucleation phenomena

X.X. Zhang, Ll. Balcells, J.M. Ruiz, O. Iglesias, J. Tejada and B. Barbara

Physics Letters A 163) 130-134 (1992)

#119 Electron spin resonance in the spin glass system Fe1-xGaxSbO4

M.T. Causa, M. Tovar, X. Obradors, A. Labarta and J. Tejada

J. Mag. Mag. Mat. 104, 1649-1651 (1992)

#118 Disorder magnetic properties in the system ZnxCd1-xCr2S4

M. Nogues, D. Fiorani, J. Tejada, J.L. Dormann, S. Sayouri, A.M. Testa and E. Agostinelli

J.Mag.Mag.Mat. 104-107 1641-1642 (1992)

#117 Random anisotropy induced by structural disorder

B. Martínez, A. Labarta, F. Badia and J. Tejada

J.Mag.Mag.Mat. 104-107 123-124 (1992)

#116 Magnetic-Properties of (111)Cu/Fe Multilayers

Donzelli-O Fratucello-G Ronconi-F Tejada-J Rachid-Z Zhang-XX

Hyperfine Interactions, 68, 303-306 (1991)

#115 Quantum tunneling of magnetization in metallic FeC ferrofluids

Ll. Balcells, J.L. Tholence, S. Linderoth, B. Barbara and J. Tejada

Z. Physik B., 89, 209-212 (1992)

#114 Relaxation Effects in Bi2Sr2Ca1Cu2O8+x and Bi1.7Pb0.3Sr2Ca1Cu2O8+x Single-Crystals

Agostinelli-E Fiorani-D Tejada-J Testa-AM

Superconductor Science & Technology, 4, s223-s225 (1991)

#113 Non-critical behavior and remanent magnetization in mag­netically frustated FeSbO4

A. Labarta, R. Rodríguez, Ll. Balcells, J. Tejada, X. Obradors and F.J. Berry

Phys. Rev. B44, 691-698 (1991)

#112 Electron-spin resonance in the spin-glass-like system Fe1-xGaxSbO4

M.T. Causa, M. Tovar, X. Obradors, A. Labarta and J. Tejada

Phy. Rev. B 44, 4455-4460 (1991)

#111 Magnetic phase diagram of Fe-Y multilayers

F. Badia, C. Ferrater, B. Martínez, A. Lousa and J. Tejada

J. Mag. Mag. Mat. 93, 429-431 (1991)

#110 Magnetic properties of Fe/Cu multilayers

F. Badia, G. Fratucello, B. Martínez, D. Fiorani, A. Labarta and J. Tejada

J. Mag. Mag. Mat. 93 425-428(1991)

#109 Correlated spin-glass generated by structural disorder in amorphous DyFeB alloy

J. Tejada, B. Martínez, A. Labarta and E.M. Chudnovsky

Phys. Rev. B44, 7698-7700 (1991)

#108 Magnetic properties of compositionally modulated thin films of rare earth and transition metal

. J. Tejada, F. Badia, B. Martínez and J.M. Ruiz

J.Mag.Mag.Mat. 101 181-186, (1991) (Invited Paper)

#107 Magnetic properties of Fe/Tb multilayers

F. Badia, M.A. Badry, X.X. Zhang, J. Tejada, R.A. Brand, B. Scholz and W. Keune

J. Appl. Phys.,70 (10), 6206-6208 (1991)

#106 Study of the Provenance of Terra-Sigillata by Mossbauer-Spectroscopy

Castillo-JR Mir-JM Perezarantegui-J Tejada-J Alabart-JR

Fresenius Journal of Analytical Chemistry,341,611-614(1991)

#105 Spin Glass-Type Behavior in Iron Antimonate - The Identification of Unusual Phenomena At Low-Temperatures in Low Magnetic-Fields

Berry-FJ Sarson-MI Tejada-J Labarta-A Rodríguez-R Obradors-X

J. Solid State Chemistry, 87, 237-240 (1990)

#104 Magnetic-Properties of the 3-Sites Alternating Bimetallic Chains Cu3 (M(Cdta))2 (Oh2)8(NO3)2.7H2O (M = Cu, Ni)

Sapina-F Escriva-E Beltran-D Fuertes-A Drillon-M Tejada-J

J. Appl.Physics, 67, 6016-6016 (1990)

#103 Electrochemical, Spectroscopic and Optical Studies of the Copper-Oxide Selective Surface Prepared by Anodic Passivation - Application to Heliothermal Conversion

Montero-C Poillerat-G Meas-Y Tejada-J Bosch-P

Solar Energy Materials, 19, 353-364 (1989)

#102 Magnetic investigation of Bi2Sr2CaCu2O8+x single crystals

E. Agostinelli, G. Balestrino, D. Fiorani, R. Muzi, P. Paro­lim J. Tejada, A.M. Testa

Physica C . 162, 319-320 (1990)

#101 Phenomenological study of amorphous Fe80B20 ferromagnet with small random anisotropy

J. Tejada, B. Martínez, A. Labarta, R. Gr össinger, M. Vazquez y A. Hernando

Phys. Rev. B (Condensed Matter), 42, 898-905 (1990)

#100 Short-Range Antiferromagnetic correlations in spin glass-like. Iron Antimonate of composition FeSbO4

X. Obradors, J. Bassas, J. Rodríguez, J. Pannetier, A. Labarta, J. Tejada, F. Berry.

J. Phys. C. 2, 6801-6806 (1990)

#99 Low temperature magnetization of antiferromagnetic YBa2Cu3O6

X. Obradors, J. Tejada, J. Rodríguez, F. Perez, M. Vallet, J. González-Calbet i M. Medarde

J. Magn.Mag.Mat. 83, Iss.1-3, pp 517-518 (1990)

#98 Magnetic measurements on Bi-Sr-Ca-Cu-O superconductor

E. Agostinelli, G. Balestrino, G. Fillon, D. Fiorani, R. Muzi, P. Paroli, J. Tejada and A.M. Testa

J. Mag. Mag.Mat. 83, 509-510 (1990)

#97 Magnetic properties of multilayers ferromagnetic thin films of Fe/La

C. Ferraté, B. Martínez, F. Badia, R. Ribas, A. Lousa and J. Tejada

J.Mag.Mag,Mat. 83, 69-71 (1990)

#96 Observation of quantum tunneling of the magnetization vector in small particles with or without domain walls. Part I

J. Tejada, X.X. Zhang, Ll. Balcells, C. Ferraté, J.M. Ruiz, F. Badia and O. Iglesias

Studies of Magn.Projecties of Fine Part. Elsevier Sci. Pub., 225-233, (1992) (Invited Paper)

#95 Electronic structure determination and dynamical properties of Iron (II)-Guanosine-5- monophosphate complex via Möss­bauer and magnetic susceptibility measurments

J.R. Alabart, V. Moreno, A. Labarta, J. Tejada, E. Molins

J. Chem. Phys. 92, 6131-6139 (1990)

#94 Magnetic behaviour of ferromagnets with random anisotropy

J. Tejada, B. Martínez, A. Labarta, R. Gr össinger, A. Hernando

J. Apl. Phys. 67, 5984-5986 (1990)

#93 Magnetic studies of Fe-Y compositionally modulated thin films

F. Badia, C. Ferraté, A. Lousa, B. Martínez, A. Labarta, J. Tejada

J. Appl. Phys. 67, 5652-5655 (1990)

#92 Electron spin resonance in the spin-glass-like

M.T. Causa, M. Tovar, X. Obradors, A. Labarta and J. Tejada

J.Mag.Mag.Mat. 104-107 1649-1651 (1992)

#91 Dissipative effects in BiSrCaCuO single crystal

E. Agostinelli, D. Fiorani, R. Folch, J. Tejada and A. M. Testa

Journal Less Common Metals 164, 553-558 (1990)

#90 Skew scattering and side jump mechanisms in the Hall effect of amorphous NdFeB/FeB compositionally modulated multilayers

G. Peral, B. Martínez, J.L. Vicent and J. Tejada

IEEE- Transactions on magnetics 26, 2753-2755 (1990)

#89 Systematic study of the temperature dependence of the satu­ration magnetization in Fe, Fe-Ni and Co-based amorphous alloys

M. Liniers, J. Flores, F.J. Bermejo, J.M. Gonzalez, J.C. Vicent and J. Tejada

IEEE Trans. on Magn. 25, 3363 (1989)

#88 CEMS studies in iron-silicon thin films

B. Martínez, A. Labarta and J. Tejada

Hyp. Int. 52, 321-327 (1989)

#87 Law temperature magnetization measurements and magnetostriction of (Fe80-xRx) B20 R=Y, Ce, Nd,Sm, Gd, Dy, Ho, Er, Tm, Ln) (0<x<10)

R. Gr össinger, H. Sassif, R. Wezulek, A. Hernando, G. Rivero, M. Vazquez, B. Martínez, A. Labarta, J. Tejada

J. Mag. Mag. Mat.86, 219-224 (1989)

#86 Magnetic phase diagram in the ferrimagnetic spin-glass sys­tem SrCr8Fe4-xGaxO19

R. Rodríguez, X. Obradors, A. Labarta, J. Tejada, M. Per­net, M. Saint-Paul y J.L. Tholence

J. Physique C8, 1119 (1988)

#85 Magnetic studies of FeNdB compositionally modulated thin films

B. Martínez, M.A. Moreu y J. Tejada

J. Physique, C8, 1807 (1988)

#84 Magnetic properties of Ni/Si multilayers

M.T. Perez-Frias, B. Martínez, M.A. Moreu, J. Tejada y J.L. Vicent

J. Physique, C8 1787 (1988)

#83 Short range order in annealed FexSi1-x amorphous films

J.M. Alameda, J.F. Fuertes, D. Givord, A. Lenard, B. Martínez, M.A. Moreu y J. Tejada

J. Physique,C8 (1988)

#82 Spin-glass behaviour in mixed metal oxides with a rutile-­type structure

A. Labarta, X. Obradors, J. Tejada, F. Berry y M.I. Sarson

J. Appl. Phys. 63, 4337-4339 (1988)

#81 Magnetic properties of amorphous Fe-Si compositionally mo­dulated thin films

B. Martínez, M.A. Moreu, A. Labarta, X. Obradors, J. Tejada.

J. Appl. Phys. 63, 3206-3208 (1988)