Cross-over between channeling and pinning at twin boundaries in YBa2Cu3O7 thin films (2006)
Palau, A., Durrell, J. H., MacManus-Driscoll, J. L., Harrington, S., Puig, T., Sandiumenge, F., ...
The critical current (Jc) of highly twinned YBa2Cu3O7 films has been measured as a function of temperature, magnetic field and angle. For much of the parameter space we observe a strong suppression...
C ` Alcul De Corrents Cr ' Itics Per Mitj ` A De Mesures De Camp Magn ` Etic (1999)
Alcul De, Corrents Cr, A De, Mesures De, Camp Magn, J. Amor Os, ...
. Calculem la corrent que circula per una mostra de material superconductor de gruix no menyspreuable a partir de mesures de camp magnetic vertical amb sonda Hall. No es suposa cap mena de simetria...
Muon spin relaxation in Re-substituted HgA2Can-1CunO2n+2+x (A=Sr, Ga; n=2,3) superconductors (1999)
Fabrega, L, Fontcuberta, J, Calleja, A, Sin, A, Pinol, S, Obradors, X, ...
Charge localization and magnetic dynamics in manganites (1999)
Garcia-Munoz, J L, Llobet, A, Frontera, C, Fontcuberta, J, Obradors, X, Ritter, C
Thermoelectric power, specific heat, and giant magnetoresistance of La0.85MnO3. (1998)
Suryanarayanan, R., Berthon, J., Zelenay, I., Martinez, B., Obradors, X., Uma, S., ...
Puig, T., Obradors, X., Martínez, B., Sandiumenge, F., O'Callaghan Castellà, Joan, Rabier, J.
Single domain YBa2Cu3O7-Y2BaCuO5 melt textured ceramic composites have revealed a very rich microstructure, which has usually impeded, by using standard measurements, to evaluate the contribution of...
Puig, T., Obradors, X., Martínez, B., Sandiumenge, F., O'Callaghan Castellà, Joan, Rabier, J.
Single domain YBa2Cu3O7-Y2BaCuO5 melt textured ceramic composites have revealed a very rich microstructure, which has usually impeded, by using standard measurements, to evaluate the contribution of...
Puig, T., Obradors, X., Martínez, B., Sandiumenge, F., O'Callaghan Castellà, Joan, Rabier, J.
Single domain YBa2Cu3O7-Y2BaCuO5 melt textured ceramic composites have revealed a very rich microstructure, which has usually impeded, by using standard measurements, to evaluate the contribution of...
BaFe12O19 SMALL PARTICLES : FORMATION. PARTICLE SIZE AND MAGNETIC PROPERTIES (1988)
Ardiaca, R., Medarde, M., Obradors, X., Vallet, M., Pernet, M., Rodríguez, J., ...
Small particles of BaFe12O19 are prepared at low temperature by a liquid mix technique. By using X-ray diffraction, Mössbauer, and magnetic measurements we show that this method allows an easy...
Batlle, X., Rodriguez, J., Obradors, X., Pernet, M., Vallet, M., Fontcuberta, J.
The cation distribution in the BaFe12-2xCoxSnxO19 compounds has been investigated by means of powder neutron diffraction. The atomic occupancies of the 2a, 4e and 4fiv are unambigously determined...
MAGNETIC PHASE DIAGRAM IN THE FERRIMAGNETIC SPIN GLASS SYSTEM SrCr8Fe4-xGaxO19 (1988)
Rodriguez, R., Obradors, X., Labarta, A., Tejada, J., Pernet, M., Saint Paul, M., ...
We report here on low field dc and ac magnetic susceptibility measurements on the compounds SrCr8Fe4-xGaxO19 with x = 0 to x = 4. We have determined their magnetic phase diagram and proved that...
BaFe12O19 SMALL PARTICLES : FORMATION. PARTICLE SIZE AND MAGNETIC PROPERTIES (1988)
Ardiaca, R., Medarde, M., Obradors, X., Vallet, M., Pernet, M., Rodríguez, J., ...
Small particles of BaFe12O19 are prepared at low temperature by a liquid mix technique. By using X-ray diffraction, Mössbauer, and magnetic measurements we show that this method allows an easy...
Batlle, X., Rodriguez, J., Obradors, X., Pernet, M., Vallet, M., Fontcuberta, J.
The cation distribution in the BaFe12-2xCoxSnxO19 compounds has been investigated by means of powder neutron diffraction. The atomic occupancies of the 2a, 4e and 4fiv are unambigously determined...
MAGNETIC PHASE DIAGRAM IN THE FERRIMAGNETIC SPIN GLASS SYSTEM SrCr8Fe4-xGaxO19 (1988)
Rodriguez, R., Obradors, X., Labarta, A., Tejada, J., Pernet, M., Saint Paul, M., ...
We report here on low field dc and ac magnetic susceptibility measurements on the compounds SrCr8Fe4-xGaxO19 with x = 0 to x = 4. We have determined their magnetic phase diagram and proved that...
BaFe12O19 SMALL PARTICLES : FORMATION. PARTICLE SIZE AND MAGNETIC PROPERTIES (1988)
Ardiaca, R., Medarde, M., Obradors, X., Vallet, M., Pernet, M., Rodríguez, J., ...
Small particles of BaFe12O19 are prepared at low temperature by a liquid mix technique. By using X-ray diffraction, Mössbauer, and magnetic measurements we show that this method allows an easy...
Batlle, X., Rodriguez, J., Obradors, X., Pernet, M., Vallet, M., Fontcuberta, J.
The cation distribution in the BaFe12-2xCoxSnxO19 compounds has been investigated by means of powder neutron diffraction. The atomic occupancies of the 2a, 4e and 4fiv are unambigously determined...
MAGNETIC PHASE DIAGRAM IN THE FERRIMAGNETIC SPIN GLASS SYSTEM SrCr8Fe4-xGaxO19 (1988)
Rodriguez, R., Obradors, X., Labarta, A., Tejada, J., Pernet, M., Saint Paul, M., ...
We report here on low field dc and ac magnetic susceptibility measurements on the compounds SrCr8Fe4-xGaxO19 with x = 0 to x = 4. We have determined their magnetic phase diagram and proved that...
Magnetic energy absorption in sintered YBa2Cu3O7−δ samples (1988)
Rillo, C., Lera, F., Garcia, J., Bartolome, J., Navarro, R., Gonzales, D., ...
A.c. magnetic susceptibility measurements of eight microscopically characterized sintered YBa2Cu3O7−δ samples are reported. The samples show losses 0.2 > 4πχ″ > 0.002.χ′vsχ′ plots...
DIPOLAR MAGNETIC ANISOTROPY IN SOME UNIAXIAL HEXAGONAL FERRITES (1985)
Isalgué, A., Obradors, X., Tejada, J.
Calculations for the magnetic dipolar contribution to the magnetic anisotropy of BaFe12O19 and LaFe11ZnO19 M-type and BaFe4Mn2O11 R-type hexagonal ferrites have been made. Our calculations take into...
HIGH FIELD MAGNETIZATION STUDY OF SODIUM-ZINC SPINEL FERRITES (1985)
Obradors, X., Pernet, M., Vallet, M., Isalgué, A., Rodriguez, J., Labarta, A.
From isothermal magnetization and X - ray diffraction measurements it is shown that NaxZn1-2xFe2+xO4 spinels own a non - collinear magnetic structure with a mean canting angle greater than the...
MAGNETIC PROPERTIES OF BaFe4Mn2O11 R-TYPE HEXAGONAL FERRITE (1985)
Obradors, X., Isalgué, A., Collomb, A., Pernet, M., Tejada, J., Joubert, J.
The magnetic properties and cation distribution of a new ferrimagnetic R-type hexagonal ferrite have been studied from isothermal magnetization and Mössbauer spectroscopy measurements. The compound...
Vallet, M., Rodriguez, P., Obradors, X., Isalgué, A., Rodriguez, J., Pernet, M.
Single domain BaFe12O19 particles have been prepared by using the organometallic precursor method with low reacting temperatures. It is found that an easy control of particle size may be obtained by...
TEXTURE FUNCTION IN γ-Fe2O3 MAGNETIC TAPES (1985)
Martinez, B., Labarta, A., Obradors, X., Cusidó, J., Tejada, J.
The texture function of single domain γ-Fe2O3 particles belonging to magnetic tapes has been quantitatively evaluated by using data of Mössbauer spectroscopy and magnetic hysteresis loop...
DIPOLAR MAGNETIC ANISOTROPY IN SOME UNIAXIAL HEXAGONAL FERRITES (1985)
Isalgué, A., Obradors, X., Tejada, J.
Calculations for the magnetic dipolar contribution to the magnetic anisotropy of BaFe12O19 and LaFe11ZnO19 M-type and BaFe4Mn2O11 R-type hexagonal ferrites have been made. Our calculations take into...
HIGH FIELD MAGNETIZATION STUDY OF SODIUM-ZINC SPINEL FERRITES (1985)
Obradors, X., Pernet, M., Vallet, M., Isalgué, A., Rodriguez, J., Labarta, A.
From isothermal magnetization and X - ray diffraction measurements it is shown that NaxZn1-2xFe2+xO4 spinels own a non - collinear magnetic structure with a mean canting angle greater than the...
MAGNETIC PROPERTIES OF BaFe4Mn2O11 R-TYPE HEXAGONAL FERRITE (1985)
Obradors, X., Isalgué, A., Collomb, A., Pernet, M., Tejada, J., Joubert, J.
The magnetic properties and cation distribution of a new ferrimagnetic R-type hexagonal ferrite have been studied from isothermal magnetization and Mössbauer spectroscopy measurements. The compound...
Vallet, M., Rodriguez, P., Obradors, X., Isalgué, A., Rodriguez, J., Pernet, M.
Single domain BaFe12O19 particles have been prepared by using the organometallic precursor method with low reacting temperatures. It is found that an easy control of particle size may be obtained by...
TEXTURE FUNCTION IN γ-Fe2O3 MAGNETIC TAPES (1985)
Martinez, B., Labarta, A., Obradors, X., Cusidó, J., Tejada, J.
The texture function of single domain γ-Fe2O3 particles belonging to magnetic tapes has been quantitatively evaluated by using data of Mössbauer spectroscopy and magnetic hysteresis loop...
DIPOLAR MAGNETIC ANISOTROPY IN SOME UNIAXIAL HEXAGONAL FERRITES (1985)
Isalgué, A., Obradors, X., Tejada, J.
Calculations for the magnetic dipolar contribution to the magnetic anisotropy of BaFe12O19 and LaFe11ZnO19 M-type and BaFe4Mn2O11 R-type hexagonal ferrites have been made. Our calculations take into...
HIGH FIELD MAGNETIZATION STUDY OF SODIUM-ZINC SPINEL FERRITES (1985)
Obradors, X., Pernet, M., Vallet, M., Isalgué, A., Rodriguez, J., Labarta, A.
From isothermal magnetization and X - ray diffraction measurements it is shown that NaxZn1-2xFe2+xO4 spinels own a non - collinear magnetic structure with a mean canting angle greater than the...
MAGNETIC PROPERTIES OF BaFe4Mn2O11 R-TYPE HEXAGONAL FERRITE (1985)
Obradors, X., Isalgué, A., Collomb, A., Pernet, M., Tejada, J., Joubert, J.
The magnetic properties and cation distribution of a new ferrimagnetic R-type hexagonal ferrite have been studied from isothermal magnetization and Mössbauer spectroscopy measurements. The compound...
Vallet, M., Rodriguez, P., Obradors, X., Isalgué, A., Rodriguez, J., Pernet, M.
Single domain BaFe12O19 particles have been prepared by using the organometallic precursor method with low reacting temperatures. It is found that an easy control of particle size may be obtained by...
TEXTURE FUNCTION IN γ-Fe2O3 MAGNETIC TAPES (1985)
Martinez, B., Labarta, A., Obradors, X., Cusidó, J., Tejada, J.
The texture function of single domain γ-Fe2O3 particles belonging to magnetic tapes has been quantitatively evaluated by using data of Mössbauer spectroscopy and magnetic hysteresis loop...
ANOMALOUS 57Fem CHARGE STATES IN COMPLEXES OXIDES (1980)
Tejada, J., Obradors, X., Fontcuberta, J., Rodriguez, J., Rodriguez, R., Oliva, M.
Mössbauer measurements on non-stoichiometric spinels (CoRh2O4+x, CoMn2O4+x) and oxygen deficient oxides with perovskites and perovskite related structures (LnCoO3-x with Ln=Eu, La, Dy, Y and LaCoO3...
ANOMALOUS 57Fem CHARGE STATES IN COMPLEXES OXIDES (1980)
Tejada, J., Obradors, X., Fontcuberta, J., Rodriguez, J., Rodriguez, R., Oliva, M.
Mössbauer measurements on non-stoichiometric spinels (CoRh2O4+x, CoMn2O4+x) and oxygen deficient oxides with perovskites and perovskite related structures (LnCoO3-x with Ln=Eu, La, Dy, Y and LaCoO3...
ANOMALOUS 57Fem CHARGE STATES IN COMPLEXES OXIDES (1980)
Tejada, J., Obradors, X., Fontcuberta, J., Rodriguez, J., Rodriguez, R., Oliva, M.
Mössbauer measurements on non-stoichiometric spinels (CoRh2O4+x, CoMn2O4+x) and oxygen deficient oxides with perovskites and perovskite related structures (LnCoO3-x with Ln=Eu, La, Dy, Y and LaCoO3...