logo_javier-tejada

Scientific papers - pg. 5

#80 Phase transition in the Ising ferromagnetic model with fi­xed spins

A. Labarta, J. Marro, B. Martínez y J. Tejada

Phys. Rev. B38, 500-507 (1988)

#79 Quenching of ferrimagnetic like ordering in SrCr8Fe4O19 hexagonal ferrite

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

J. Appl. Phys. 63, 4091-4093 (1988)

#78 An investigation of the spin-glass behaviour in iron-antimonate by iron-57 and antimony 121 Mössbauer spectroscopy

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

Hyp. Int. 41, 463-466 (1988)

#77 Magnetic frustration and lattice dimensionality in SrCr8G­a4­O19

X. Obradors, A. Labarta, A. Isalgué, J. Tejada, R. Rodríguez y M. Pernet

Solid. State. Comm. 65, 189-192 (1988)

#76 Meissner effect and critical fields in an inhomogeneous Ba2HoCu3O7-x high Tc superconductor

X. Obradors, A. Labarta, J. Tejada, M. Vallet y J.M. Gonzalez-Calbet

Phys. Rev. 38, 2455 (1988)

#75 Mössbauer studies of amorphous FeSi thim films

B. Martínez, A. Ruiz, A. Labarta, X. Obradors, J. Tejada

IEEE Trans. Mag. MAG. 23, 3581 (1987)

#74 Mössbauer and magnetization studies of amorphous NdFeB

B. Martínez, M.A. Moreu, A. Ruiz, A. Labarta, F. Briones y J. Tejada

IEEE Trans. Mag. MAG. 23, 1694 (1987)

#73 Spin-glass transition in Iron Antimonate: the inducement by Cationic ordering of localized magnetic order in a mixed metal oxide with a superlattice

F. Berry, A. Labarta, X. Obradors. R. Rodríguez, M. Sarson and J. Tejada.

J. Solid State Chem. 71, 582 (1987)

#72 Particle orientation distribution in -Fe2O3 magnetic

B. Martínez, A. Labarta, X. Obradors y J. Tejada

Crys. Latt. Defects and Amorph. Met. (1987)
IEEE Trans. Mag. MAG 23, 2812 (1987)

#71 Spin glass behaviour of FeSbO4 studied by Mössbauer

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

IEEE Trans. Mag. MAG 23, 2311 (1987)

#70 Absolute efficiency calibration function for the energy

A. F. Sánchez-Reyes, M.I. Febrián, J. Baró y J. Tejada

Nucl. Inst. Met. B28, 127-131 (1987)

#69 57Fe and 151En Mössbauer study of En0.075 Ca0.125FeO3-y

J.A. Pereda, J. Rodríguez y J. Tejada

Crys. Latt. Defects and Amorph. Met. (1987)

#68 Mössbauer study of the dynamical properties of Fe3+ ions in a bypyramidal site

X. Obradors, A. Isalgué, J. Rodríguez, J. Tejada.

Cryst. Latt. Def. and Amorph. Mat., 16, 31 (1987)

#67 Cationic distribution and magnetic properties of LaZnFe11O19 hexagonal ferrite

X. Obradors, J. Tejada, A. Isalgué, A. Collomb, M. Pernet y J.C. Joubert

Advances in Ceramics, vol. 15 Ed. F.Y. Wang, (1987)

#66 Magnetic properties of Ba2SmCu3O9-x high Tc superconductor

X. Obradors, A. Labarta, J. Tejada, F. García-Alvarado, E. Morán, M. Vallet, J.M. González-Calvet, M.A. Alario.

Solid State Comm. 64, 767 (1987)

#65 Studies on the metal nucleolide Co-5“IMP , Co-5“GMP

A. Caubet, A. Labarta, R. Rodríguez, A. Fernández y J. Tejada

Hyp. Int. 28, 773-776 (1986)

#64 Mössbauer study of vacancy ordering in the system SrTcFeO3

J. Rodríguez, J.A. Pereda, M. Vallet, J.G. Calbet y J. Tejada

Mat. Res. Bull. 21, 255-263 (1986)

#63 Magnetic susceptibility and Mössbauer emission studies

A. Labarta, A. Caubet, R. Rodríguez, E. Molins y J. Tejada

Z. Phys. Chemie 149, 201-211 (1986)

#62 Three dimensional ferromagnetic models with quenched

A. Labarta, J. Marro y J. Tejada

Physica 142B, 31-40 (1986)

#61 Critical behavior of Ising models with static site dilution

J. Marro, A. Labarta y J. Tejada

Phys. Rev. B 34, 347 (1986)

#60 On the electric field effect in the Mössbauer emission studies

J. Fontcuberta, J.A. Cusidó y J. Tejada

Phys. Stat. Sol. B 135, K27-31 (1986)

#59 Effective field theory for the magnetic and thermal properties

A. Labarta, J. Marro y J. Tejada

J. Phys. C 19, 1567-1580 (1986)

#58 Model studies of the thermal and magnetic properties in desordered systems

A. Labarta, J. Marro y J. Tejada

J. Mag. Mag. Materials, 54, 54-56 (1986)

#57 Electron microscopy and 57Fe Mössbauer CEMS of Fe80B20

J.A. Cusidó y J. Tejada

J. Nat. Sci. Lett. 5, 75 (1986)

#56 Studies on the metal nucleolide interaction via Mössbauer emission

A. Caubet, A. Labarta, A. Fernández, E. Molins, V. Moreno y J. Tejada

Hyp. Int. 28, 773-776 (1986)

#55 Cation distribution and random spin canting in LaZnFe11O19

X. Obradors, A. Isalgué, A. Collomb, A. Labarta, M. Pernet, J.A. Pereda, F.J. Litterst, J. Tejada, J.C. Joubert.

J. Phys. C: Solid State Phys. 19, 6605 (1986)

#54 57Co doped oxides as 57Fe Mössbauer single line sources

J. Tejada, J. Fontcuberta, X. Obradors, J. Roset, A. Fernández, E. Molins.

Hyp. Int. 29, 1221-1224 (1986)

#53 Hyperfine fields and exchange interactions in BaLiFe17O27 W-type hexagonal ferrite

J.P. Mignot, A. Isalgué, X. Obradors, J.C. Joubert, J. Tejada.

Hyp. Int. 28, 565-568 (1986)

#52 Mössbauer sutdy of the mized ferrimagnetic-spin glass phase in SrFe12-xCrxO19 hexagonal ferrites

J.A. Pereda, A. Isalgué, J. Tejada, F.J. Litterst, X. Obradors.

Hyp. Int. 28, 569-572 (1986)

#51 Cation distribution in SrFe12-xCrxO19 hexagonal ferrites

X. Obradors, A. Isalgué, A. Collomb, M. Pernet, J. Tejada, J.C. Joubert.

Works of the Int. Conf. on Applications of Mössbauer Effect. Ov­erseas Publishers Ass., (1986)

#50 Mössbauer emission spectroscopy of 57Co doped ZnO, Cu2O and TiCoO3

J. Roset, A. Fernández, X. Obradors, J. Tejada.

Phys. Status Solidi (b) 134, 297-302 (1986)

#49 Mössbauer emission spectroscopy of Li, Ti doped 57CoO

J. Fontcuberta, X. Obradors, J. Rodríguez, J. Tejada.

Works of the Int. Conf. on Applications of Mössbauer Effect. Ov­erseas Publishers Ass., (1986)

#48 Exchange interactions in BaFe12O19

A. Isalgué, A. Labarta, J. Tejada, X. Obradors.

Appl. Physics A39, 221-225 (1986)

#47 A study of vanadium antomonate by Mössbauer measurements

F. Berry, A. Labarta, M.E. Brett, J.G. Holden y J. Tejada

Inorg. Chim. Acta 105, 197-199 (1985)

#46 Cationic distribution and magnetic properties of LaZnFe11O19 hexagonal ferrite

X. Obradors, A. Isalgué, A. Collomb, M. Pernet, J. Tejada, J.C. Joubert.

Fourth Int. Conf. on Ferrites, Adv. in Ceramics, vol.15, p. 259. FFY Wang Ed., The American Ceramic Society (1985)

#45 Texture function in –Fe2O3 magnetic tapes

B. Martínez, A. Labarta, X. Obradors, J.A. Cusidó, J. Tejada

J. Physique 46, C6-379 (1985)

#44 Dipolar magnetic anisotropy in some uniaxial hexagonal ferrites

A. Isalgué, X. Obradors, J. Tejada

J. Physique, 46, C6-345 (1985)

#43 Magnetic properties of BaFe4Mn2O11 R-type hexagonal ferrite

X. Obradors, A. Isalgué, A. Collomb, M. Pernet, J. Tejada, J.C. Joubert.

J. Physique 46, C6-339 (1985)

#42 Electronic structure determination via Mössbauer measurements

E. Molins, A. Labarta, J. Tejada y V. Moreno

Z. Phys. B 59, 419-422 (1985)

#41 Spin-glass behaviour in an antiferromagnetic non frustrated lat­tice: Sr2FeNbO6 perovskite

R. Rodríguez, A. Fernández, A. Isalgué, J. Rodríguez, A. Labarta, J. Tejada, X. Obradors.

J. Phys. C: Solid State Phys. 18, L401 (1985)

#40 Mössbauer emission spectroscopy of doped 57Co1-xO-II. Donor impu­rities: 57Co1-xO:Fe, Ti, .

J. Fontcuberta, X. Obradors, J. Rodríguez, J. Tejada.

J. Phys. Chem. Solids 46, 305 (1985)

#39 Mössbauer emission spectroscopy of doped 57Co1-xO-I. Acceptor impurities: 57Co1-xO­:Li.

J. Fontcuberta, X. Obradors, J. Rodríguez, J. Tejada.

J. Phys. Chem. Solids 46, 301 (1985)

#38 Synthesis spectroscopy and magnetic characterization of E(III)

V. Moreno, A. Terrón, M. Vicens, E. Molins, A. Labarta y J. Tejada

Trans. Met. Chem. 10, 90-93 (1985)

#37 On the amorphous to crystalline transformation of Fe80B20

J.A. Cusidó, A. Isalgué y J. Tejada

Phys. Stat. Solid.B 87, 169-174 (1985)

#36 A New interpretation of the magnetic properties of Mn(II) Ph

A. Labarta, E. Molins, y J. Tejada

Z. Phys. B 28, 229-304 (1985)

#35 Electronic structure determination of iron (H) phtaloganines

A. Labarta, E. Molins, X. Viñas, J. Tejada y J. Álvarez

J. Chem. Phys. 80, 444-448 (1984)

#34 Structural studies of CoPO8C10N4H11(H2O)4 3H2O

E. Molins, A. Caubet, C. Miravitlles, J. Tejada y V. Moreno

Acta Cryst. A40, C72 (1984)

#33 Magnetic structure and superparamagnetic properties of d-F­eOOH

M. Pernet, X. Obradors, J. Fontcuberta, J. Tejada, J.C. Joubert.

I.E.E.E. Trans. on Magn. MAG-20, 1524 (1984)

#32 Cation distribution and high field magnetization studies on SrFe12-xCrxO19

X. Obradors, A. Isalgué, A. Collomb, M. Pernet, J. Pannetier, J. Rodri­guez, J. Tejada, J.C. Joubert.

I.E.E.E. Transactions on Magnetics MAG-20, 1636 (1984)

#31 Mössbauer study of bipyramidal site occupancy in BaFe12-xM­nxO19

X. Obradors, J. Tejada, A. Isalgué, J.C. Joubert.

Sol. State Comm. 50, 821 (1984)

#30 Synthesis, crystal and molecular structure and spectroscopy.

J. Ribas, J.M. Juliá, A. Isalgué, J. Tejada y M. Font-Altaba

Trans. Met. Chem. 9, 57-62 (1984)

#29 The influence of the semiconductor properties on the Mössbauer emission spectra of 57CoO cobalt oxide

T. Harami, J. Loock, E. Huenges, J. Fontcuberta, X. Obradors, J. Tejada, F. Parak.

J. Phy. Chem. Solids 45, 181 (1984)

#28 Crystal structure and cationic distribution of BaFe4Ti2O11 R-type hexagonal ferrite

X. Obradors, A. Collomb, J. Pannetier, A. Isalgué, J. Tejada, J.C. Joubert.

Mat. Res. Bull. 18, 1543 (1983)

#27 Mössbauer second order dopples shift in MgO: 57Co

R. Olivella, E. Molins y J. Tejada

Phys. Status Solidi B 119, K165-168 (1983)

#26 Mössbauer studies on one dimensional iron photoaloganines

E. Molins, A. Caubet, A. Labarta, J. Tejada y S. Álvarez

Trans. Met. Chem. 8, 377-381 (1983)

#25 Mössbauer emission studies of pure and doped MgO: 57Co

R. Olivella, T. Harami y J. Tejada

Rad. Effects 73, 179-183 (1983)

#24 Mössbauer emission studies of LiNbO3:57Co

Fontcuberta, A. Isalgué, X. Obradors, J. Tejada, J.C. Joubert

Rad. Effects 73, 173 (1983)

#23 Magnetic susceptibility calculations from crystal field theory

A. Labarta, X. Viñas y J. Tejada

J. Chem. Phys. 78, 5816-5819 (1983)

#22 Mössbauer and high magnetic field studies of CoFeAl2-xO4

J. Aragonés, A. Fert, N. Ferrer, J. Tejada y A. Font-Altaba

Phys. Chem. 8, 206-211 (1982)

#21 Mössbauer spectra of square-planer organometallic compounds

G. Muller, J. Sales, J. Vinaixa y J. Tejada

Inorg. Chemi. Acta, 60, 227-230 (1982)