Javier Tejada Palacios ::: professional website ::: scientific papers

#202 Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules

J. Friedman, M. Sarachik, J.M. Hernández, X.X. Zhang, J. Tejada, E. Molins and R. Ziolo.

J. Appl. Phys.81, 3978-3980 (1997)

#201 Quantum tunneling of magnetization in nanostructured materials

J. Tejada, R.F. Ziolo, X.X. Zhang

Chemistry of Materials, 8, 1784-1792. (1996). (Invited Review)

#200 Low-Temperature Magnetic-Relaxation and Quantum Tunneling in Nanocrystalline Particles

Zhang-XX Hernández-JM Kroll-EC Ziolo-R Tejada-J

J. Applied Physics, 79, 6116-6116 (1996)

#199 Magnetic-Properties of Bafe12-(X+y)Snxcoyo19 Single-Crystals

Sole-R Zhang-XX Ruiz-X Aguilo-M Diaz-F Tejada-J

ournal of Applied Physics, 79, 5439-5439 (1996)

#198 Improved Giant Magnetoresistance in Magnetic Granular Co5Cu95 Alloys by Direct-Current Joule Heating

Yu-RH Zhang-XX Tejada-J Knobel-M Tiberto-P Allia-P Vinai-F

Zeitschrift fur Physik b-Condensed Matter, 99, 159-161 (1996)

#197 Does mascroscopic quantum coherence occur in ferritin

J. Tejada

Science 272, 424-424 (1996)

#196 Macroscopic Measurement of Resonant Magnetization Tunneling in High-Spin Molecules

Friedman-JR Sarachik-MP Tejada-J Ziolo-R

Phy. Rev. Letters 76, 3830 (1996)

#195 Magnetic properties and domain wall motion in single crystal Ba FC Sn Co O

X.X. Zhang, J.M. Hernández, J. Tejada, R. Solé and X. Ruiz

Phys. Rev. B-Condensed Matter, 53, 3336-3340 (1996)

#194 Magnetic properties relaxation and quantum tunneling in CoFe2O4 nanoparticles embedded in potasium silicate

X.X. Zhang, J.M. Hernández, J. Tejada, R.F. Ziolo

Phys.Rev. B-Condensed Mater 54, 4101-4106 (1996)

#193 High-Vacuum Versus Environmental Electron-Beam Deposition

Folch-A Servat-J Esteve-J Tejada-J Seco-M

Journal of Vacuum Science & Technology b, 14, 2609-2614 (1996)

#192 AC Susceptibility Study of the Magnetic-Relaxation Phenomena in Cro2 Digital Compact Cassette Magnetic Tapes

Luis-F Bartolome-J Tejada-J Martínez-E

JMMM, 158 266-2671 (1996)

#191 Structure, Magnetic-Properties, and Giant Magnetoresistance in Melt-Spun Metallic Copper-Cobalt Ribbons

Yu-RH Zhang-XX Tejada-J Zhu-J Knobel-M

J. Applied Physics, 79, 1979-1990 (1996)

#190 Experimental-Evidence of a Crossover in the Vortex Dimensionality in High-T-C Superconductors

Garcia-A Zhang-XX Tejada-J

Journal of Applied Physics, 79, 6589-6591 (1996)

#189 Quantum vortex motion in high -Tc superconductors

A. García, X.X. Zhang and J. Tejada

J. Appl. Phys. 79, 6516-6518 (1996)

#188 Steps in the hysteresis loops of a high spin molecule

J.R. Friedman, M.P. Saradrik, J. Tejada, R. Ziolo

J. Appl.Phys. 79 (8), 6031-6033 (1996)

#187 Magnetic Viscosity Far and Close to Equilibrium in the Superparamagnetic Alloy

Maraner-A Zhang-X Cavalleri-A Tejada-J Vitale-S

Journal of Applied Physics, 79, 5406-5408 (1996)

#186 Computational Calculations of Magnetic-Relaxation and Viscosity in Small Magnetic Grains

Hernández-JM Zhang-XX Tejada-J

Journal of Applied Physics, 79, 4686-4688 (1996)

#185 Field Tuning of thermally activated magnetic quantum tunneling in Mn12 - Ac molecules

J.M. Hernández, X.X. Zhang, F. Luis, J. Bartolomé, J. Tejada and R. Ziolo

Europhys. Letters 35, 301-306 (1996)

#184 Quantum Tunneling of Vortices in High-T-C Superconducting Cuprates

Garcia-A Zhang-XX Tejada-J Fiorani-D Testa-AM

C. Journal of Pysics, 46, 1743-1744 (1996)

#183 Resonant-Tunneling of Magnetization in Mn-12 Acetate Complex

Zhang-XX Hernández-JM Tejada-J Friedman-JR Sarachik-M Ziolo-R

C. Journal of Physics, 46, 2135-2136 (1996)

#182 Resistance of Ceramic Samples - 2D Localization and Time-Dependence

LLuma-J Zhang-XX Hernández-JM Tejada-J Sun-GF Xin-Y Wong-KW

C. Journal of Physics, 46, 2493-2494, (1996)

#181 Magnetic properties and giant magnetoresistance in La0,67 La033, Mnox Bulk Material

X.X. Zhang, R.H. Yu, J. Tejada, G.F. Sun, Y. Xiu and K.W. Wong

Appl. Phys. Lett. 68, 3191-3193 (1996)

#180 Magnetocaloric effect in La0.67Ca0.33MnOδ and La0.60Y0.07Ca0.33MnOδ bulk materials

X.X. Zhang, J. Tejada, Y. Xin, G.F. Sun, K.W. Wong and X. Bohigas

Appl. Phys. Lett. 69, 3596-3598 (1996)

#179 Asymetric giant magnetoresistance in Cu10 Cu90 magnetic granular alloys

R.H. Yu, X.X. Zhang, J. Tejada and J. Zhu

Phys. Rev.B Condensed Matter, 52; 6987-6990 (1995)

#178 Magnetic and magnetotransport properties in Co5Cu95 melt-spun alloy

R.H. Yu, X.X. Zhang, J. Tejada, M. Knobel, P. Tiberto and P. Allia

Zeitschrift fur Physik B Condensed Matter 98, 447-451 (1995)

#177 Magnetic relaxation and quantum tunneling of vortices in polycristalline (Hg0.8Tl0.2Ba2Ca2Cu308+delta superconductor

X.X. Zhang, A. García, J. Tejada, Y. Xin, G.F. Sun and K.W. Wong

Phys. Rev. 52B, 1325-1330 (1995)

#176 Evidence of extended orientational order in amorphous Fe/Sm thin films

J.M. Ruiz, X.X. Zhang, C. Ferrater and J. Tejada

Phys. Rev. B, 52, 10202-10206 (1995)

#175 Flux Motion by Quantum Tunneling in High-T-C Superconductors

Fiorani D- Garcia-A Zhang-XX Testa-AM Tejada-J

Nuovo Cimento della Societa Italiana di Fisica d-Condensed Matter Atomic Molecular and Chemical Physics Fluids Plasmas Biophysics 16, 1925-1932 (1994)

#174 Magnetic properties and giant magnetoresistance in melt-spun Co15Cu85 alloys

R.H. Yu, X.X. Zhang, J. Tejada, M. Knobel, P. Tiberto and P. Allia

J. Phys. Condensed Matter 7, 4081-4093 (1995)

#173 Exponential relaxation in TbFe03: a quantum surface nucleation problem

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

J. Phys. Condens.Matter, 7, 5097-5104 (1995)

#172 Magnetic properties and grant magnetoresistance in magnetic granular CoX Cu100-X alloys

R.H. Yu, X.X. Zhang, J. Tejada, M. Knobel, P. Tiberto and P. Allia

J. Phys. D. Appl. Phys. 28, 1770-1777 (1995)

#171 Magnetic relaxation phenomena in the Er bium Orthoferrite Er Fe O3

J. Tejada, X.X. Zhang, F.J. Berry and G. Dates

J. Magn. Magn. Mat. 140 , 2165-2166 (1995)

#170 Magnetic relaxation and quantum tunneling in nanocrystalline particles

X.X. Zhang, R. Ziolo, E.C. Kroll, X. Bohigas and J. Tejada

J. Mag. Mag. Mat. 140, 1853-1854 (1995)

#169 Experiments in Quantum Magnetic Relaxation

J.Tejada and X.X. Zhang

J. Magn.Magn. Mat. 140, 1815-1818 (1995) Invited.

#168 Magnetic properties of Fe/Cu multilayers

A. Roig, X.X. Zhang, R. Zuberek, J. Tejada, E. Molins

J. Magn.Mag. Mat. 140, 559-.560 (1995)

#167 Computer-Simulation of Slow Magnetic-Relaxation

Sánchez-C Gonzalez-Miranda-JM Tejada-J

J Mag.Mag.Mat., 140, 365-366 (1995)

#166 Self-heating in magnetic relaxation experiments in TbFe03 single crystal and Fe3Tb metallic alloy

E.B. Krotenko, X.X. Zhang and J. Tejada

J. Magn. Mag. Mat. 150, 119-123 (1995)

#164 Magnetic-Properties and Giant Magnetoresistance of Magnetic Granular Co10Cu90 Alloys Obtained by Direct-Current Joule Heating

Yu-RH Zhang-XX Tejada-J Zhu-J Knobel-M Tiberto-P Allia-P Vinai-F

J. Applied Physics, 78, 5062-5066 (1995)

#163 Quantum tunneling of antiferromagnetic domain walls in Tb Fe 03 single crystal

J. Tejada, X.X. Zhang, A. Roig, O. Nikolov and E. Molins

Europhys. Letters 30, 227-232 (1995)

#162 Electron beam deposition of gold nanostructures in a reactive enrironment

A. Folch, J. Tejada, C.H. Peters and M.S. Wrighton

Appl. Phys.Lett. 66, 2080-2082 (1995)

#161 Macroscopic Quantum tunneling in antiferromagnetic Horse-Spleen Ferritin Particles

J. Tejada and X.X. Zhang

J. of Applied. Physics,75, 5642-5642 (1994)
NATO . Advanced Study -Institute Nanophase materials -Synthesis -Processes- Applications (1993). Invited.

#160 Magnetic relaxation phenomena in CrO2 Digital Compact Cassette magnetic tapes

X.X. Zhang and J. Tejada

J.Mag.Mag.Mat. 129, L109-L114 (1994)

#159 Structure and Magnetic-Properties of Sm/Fe Multilayers Versus Substrate-Temperature

X.X. Zhang and J. Tejada

IEEE Transactions on Magnetics, 30, 818-820 (1994)

#158 Magnetic relaxation in very thin films of Dy deposited into crystalline Cu(111)

J. Tejada, X.X. Zhang and C. Ferrater

Zeitschrift fur Physik B-Condensed Matter,94, 245-248 (1994)

#157 Experimental evidence of quantum tunneling of 2D vortices up to 10K in bulk T12Ba2Ca2Cu3Ox superconductor

X.X. Zhang, A. García, J. Tejada, Y. Yin and K.W. Wong

Physica C232, 99-103 (1994)

#156 Computer Simulation Sutdy of Magnetic Relaxation in Anisotropy Magnetic Systems

J. González-Miranda and J. Tejada

Phys. Rev.B -Condensed Matter 49, 3867-3873 (1994)

#155 Low-temperature quantum relaxation of single two-dimensional vortices in an epitaxial T12Ba2Ca2Cu3Ox thin film

A. García, X.X. Zhang, J. Tejada, M. Manzel and H. Brücholss

Phys. Rev. B50, 9439-9444 (1994)

#154 On magnetic relaxation in antiferromagnetic horse -spleen ferritin proteins

J. Tejada and X.X. Zhang

J. Phys. Cond. Matter 6, 263-266 (1994)

#153 Magnetic properties of granular magnetic multilajes

M. Rubinstein, J. Tejada and X.X. Zhang

J. Appl. Physic. 75 (10), 6557-6559 (1994)

#152 Time dependence phenomena at low temperature in magnetic Tapes

X.X. Zhang and J. Tejada

J. Appl. Phys., 75,5637-5638 (1994)

#151 Structure and Magnetic-Properties of Sm/Fe Multilayers Versus Substrate-Temperature

Zhang-XX Ferrater-C Zquiak-R Tejada-J

IEEE Transactions on Magnetics, 30, 818-820 (1994)

#150 A Mossbauer Study of Fe(5-Angstrom) Plus Cu(50-Angstrom) Multilayers

Pankhurst-QA Thomas-MT Johnson-CE Zquiak-R Zhang-XX Tejada-J

IEEE Transactions on Magnetics, 30, 778-780 (1994)

#149 Nanocrystalline M-Type Hexaferrite Powders - Preparation, Geometric and Magnetic-Properties

Gornert-P Pfeiffer-H Sinn-E Muller-R Schuppel-W Rosler-M Batlle-X Delmuro-MG Tejada-J Gali-S

IEEE Transactions on Magnetics, 30, 714-716 (1994)

#148 Static Magnetic-Properties of Nanocrystalline Co-Ti Doped Barium Ferrite Bafe12-2Xcoxtixo19 (X=0.8)

Battle-X Del Muro-MG Tejada-J Pfeiffer-H Gornert-P Sinn-E

IEEE Transactions on Magnetics, 30 , 708-710 (1994)

#147 Magnetic-Properties of Fe-Cu-Nb-Si-B Nanocrystalline Magnetic-Alloys

Del Muro-MG Batlle-X Zquiak-R Tejada-J Polak-C Grossinger-R

IEEE Transactions on Magnetics, 30, 502-504 (1994)

#146 Quantum exponential relaxation of antiferromagnetic domain walls in Fe Tb O3 single crystal

X.X. Zhang, J. Tejada, A. Roig, O. Nikolov and E. Molins

J. Mag. Mag. Mat. 137, L235-L238 (1994)

#145 Quantum relaxation in magnetism and high Tc -superconductors

J. Tejada, X.X. Zhang and A. García

Phys. Script. T55, 131-135 (1994) (Invited)

#144 Efecto Túnel Cuántico

J. Tejada y X.X. Zhang

Rev. Investigación y Ciencia, Agosto (1993)

#143 Quantum tunneling of vortices in T12Ca1Ba2Cu2O8 superconductor

J. Tejada, E.M. Chudnovsky and A. García

Phys. Rev. B47, 11552-11554, (1993)

#142 Electronic-Structure Determination of Co(II)-Nucleotide Complexes by Using Magnetic and Mossbauer Emission Measurements

Caubet-A Moreno-V Labarta-A Tejada-J

Zeitschrift fur Naturforschung Section A-B Journal of Chemical Siences, 48, 98-106 (1993)

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Scientific papers - pg. 3

#202 Effect of a transverse magnetic field on resonant magnetization tunneling in high-spin molecules

#201 Quantum tunneling of magnetization in nanostructured materials

#200 Low-Temperature Magnetic-Relaxation and Quantum Tunneling in Nanocrystalline Particles

#199 Magnetic-Properties of Bafe12-(X+y)Snxcoyo19 Single-Crystals

#198 Improved Giant Magnetoresistance in Magnetic Granular Co5Cu95 Alloys by Direct-Current Joule Heating

#197 Does mascroscopic quantum coherence occur in ferritin

#196 Macroscopic Measurement of Resonant Magnetization Tunneling in High-Spin Molecules

#195 Magnetic properties and domain wall motion in single crystal Ba FC Sn Co O

#194 Magnetic properties relaxation and quantum tunneling in CoFe2O4 nanoparticles embedded in potasium silicate

#193 High-Vacuum Versus Environmental Electron-Beam Deposition

#192 AC Susceptibility Study of the Magnetic-Relaxation Phenomena in Cro2 Digital Compact Cassette Magnetic Tapes

#191 Structure, Magnetic-Properties, and Giant Magnetoresistance in Melt-Spun Metallic Copper-Cobalt Ribbons

#190 Experimental-Evidence of a Crossover in the Vortex Dimensionality in High-T-C Superconductors

#189 Quantum vortex motion in high -Tc superconductors

#188 Steps in the hysteresis loops of a high spin molecule

#187 Magnetic Viscosity Far and Close to Equilibrium in the Superparamagnetic Alloy

#186 Computational Calculations of Magnetic-Relaxation and Viscosity in Small Magnetic Grains

#185 Field Tuning of thermally activated magnetic quantum tunneling in Mn12 - Ac molecules

#184 Quantum Tunneling of Vortices in High-T-C Superconducting Cuprates

#183 Resonant-Tunneling of Magnetization in Mn-12 Acetate Complex

#182 Resistance of Ceramic Samples - 2D Localization and Time-Dependence

#181 Magnetic properties and giant magnetoresistance in La0,67 La033, Mnox Bulk Material

#180 Magnetocaloric effect in La0.67Ca0.33MnOδ and La0.60Y0.07Ca0.33MnOδ bulk materials

#179 Asymetric giant magnetoresistance in Cu10 Cu90 magnetic granular alloys

#178 Magnetic and magnetotransport properties in Co5Cu95 melt-spun alloy

#177 Magnetic relaxation and quantum tunneling of vortices in polycristalline (Hg0.8Tl0.2Ba2Ca2Cu308+delta superconductor

#176 Evidence of extended orientational order in amorphous Fe/Sm thin films

#175 Flux Motion by Quantum Tunneling in High-T-C Superconductors

#174 Magnetic properties and giant magnetoresistance in melt-spun Co15Cu85 alloys

#173 Exponential relaxation in TbFe03: a quantum surface nucleation problem

#172 Magnetic properties and grant magnetoresistance in magnetic granular CoX Cu100-X alloys

#171 Magnetic relaxation phenomena in the Er bium Orthoferrite Er Fe O3

#170 Magnetic relaxation and quantum tunneling in nanocrystalline particles

#169 Experiments in Quantum Magnetic Relaxation

#168 Magnetic properties of Fe/Cu multilayers

#167 Computer-Simulation of Slow Magnetic-Relaxation

#166 Self-heating in magnetic relaxation experiments in TbFe03 single crystal and Fe3Tb metallic alloy

#164 Magnetic-Properties and Giant Magnetoresistance of Magnetic Granular Co10Cu90 Alloys Obtained by Direct-Current Joule Heating

#163 Quantum tunneling of antiferromagnetic domain walls in Tb Fe 03 single crystal

#162 Electron beam deposition of gold nanostructures in a reactive enrironment

#161 Macroscopic Quantum tunneling in antiferromagnetic Horse-Spleen Ferritin Particles

#160 Magnetic relaxation phenomena in CrO2 Digital Compact Cassette magnetic tapes

#159 Structure and Magnetic-Properties of Sm/Fe Multilayers Versus Substrate-Temperature

#158 Magnetic relaxation in very thin films of Dy deposited into crystalline Cu(111)

#157 Experimental evidence of quantum tunneling of 2D vortices up to 10K in bulk T12Ba2Ca2Cu3Ox superconductor

#156 Computer Simulation Sutdy of Magnetic Relaxation in Anisotropy Magnetic Systems

#155 Low-temperature quantum relaxation of single two-dimensional vortices in an epitaxial T12Ba2Ca2Cu3Ox thin film

#154 On magnetic relaxation in antiferromagnetic horse -spleen ferritin proteins

#153 Magnetic properties of granular magnetic multilajes

#152 Time dependence phenomena at low temperature in magnetic Tapes

#151 Structure and Magnetic-Properties of Sm/Fe Multilayers Versus Substrate-Temperature

#150 A Mossbauer Study of Fe(5-Angstrom) Plus Cu(50-Angstrom) Multilayers

#149 Nanocrystalline M-Type Hexaferrite Powders - Preparation, Geometric and Magnetic-Properties

#148 Static Magnetic-Properties of Nanocrystalline Co-Ti Doped Barium Ferrite Bafe12-2Xcoxtixo19 (X=0.8)

#147 Magnetic-Properties of Fe-Cu-Nb-Si-B Nanocrystalline Magnetic-Alloys

#146 Quantum exponential relaxation of antiferromagnetic domain walls in Fe Tb O3 single crystal

#145 Quantum relaxation in magnetism and high Tc -superconductors

#144 Efecto Túnel Cuántico

#143 Quantum tunneling of vortices in T12Ca1Ba2Cu2O8 superconductor

#142 Electronic-Structure Determination of Co(II)-Nucleotide Complexes by Using Magnetic and Mossbauer Emission Measurements