Výsledky vyhledávání - "Martínez Benjamin, Joan Josep"

Magnetic ordering and spin reorientations in Nd1.8Sr0.2NiO3.72

Autor: Medarde, M., Rodríguez-Carvajal, J., Martínez Benjamin, Joan Josep, Batlle Gelabert, Xavier, Obradors, Xavier

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

The magnetic behavior of the reduced Nd 1.8 Sr 0.2 NiO 3.72 nickelate has been investigated by means of neutron-powder diffraction, magnetic susceptibility, and isothermal magnetization measurements. The most noticeable result is that, in spite of th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::52ab65d45252502dadadd9cc28da9373
http://hdl.handle.net/2445/9902

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Magnetic transition in highly frustrated SrCr8Ga4O19: The archetypal kagomé system

Autor: Martínez Benjamin, Joan Josep, Labarta, Amílcar, Rodríguez Solá, Raúl, Obradors, Xavier

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

Both dc and ac magnetic susceptibility have been carefully measured and analyzed in order to determine the features of the low-temperature magnetic state of the highly frustrated SrCr 8 Ga 4 O 19 compound. The scaling analysis of the nonlinear part o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::80b0d34d167f0c37f18cf0c9f21d8f39
http://hdl.handle.net/2445/9890

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Magnetic behavior of the BaFe4-2xSn2+xCoxO11 system: From cluster glass to kagome phase

Autor: Martínez Benjamin, Joan Josep, Sandiumenge Ortiz, Felip, Golosovski, I., Galí Medina, Salvador, 1949, Labarta, Amílcar, Obradors, Xavier

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

The cationic distribution of the solid solution BaFe 4 − 2 x Sn 2 + x Co x O 11 (0≤x≤2) has been determined by using combined neutron and x-ray diffraction. A very strong cation site selectivity has been found: Sn atoms do not enter 4f(1/2) sit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::01947e12a5b066acb0345042496acef2
http://hdl.handle.net/2445/9884

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Magnetic study of spin freezing in the spin glass BaCo6Ti6O19: Static and dynamic analysis

Autor: Labarta, Amílcar, Batlle Gelabert, Xavier, Martínez Benjamin, Joan Josep, Obradors, Xavier

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

ac and dc magnetic susceptibility as a function of frequency, magnetic field, and temperature have been studied in polycrystalline BaCo 6 Ti 6 O 19 . This oxide displays all the common features of spin-glass-like behavior. dc magnetic susceptibility

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::fb18f58889e5ca8aeb0cfbd01deb6320
http://hdl.handle.net/2445/9892

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Autor: Tejada Palacios, Javier, Martínez Benjamin, Joan Josep, Labarta, Amílcar, Chudnovsky, Eugene M., 1948

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

Magnetic properties of the amorphous Dy-Fe-B alloy are studied in terms of the correlated-spin-glass approach of Chudnovsky et al.$-— Features predicted by the theory are clearly observed in the experiment. It is shown that the magnetization law ma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9bb13f6c4ff9cc217c335a990664e6c2
http://hdl.handle.net/2445/9740

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Phenomenological study of the amorphous Fe80B20 ferromagnet with small random anisotropy

Autor: Tejada Palacios, Javier, Martínez Benjamin, Joan Josep, Labarta, Amílcar, Grössinger, R., Sassik, H., Vázquez, M., Hernando, Antonio, 1947

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona
Recercat. Dipósit de la Recerca de Catalunya
instname

The magnetic behavior of some amorphous ferromagnets of composition Fe 80 − x R x B 20 (R being a rare-earth element) is investigated as a function of the external applied magnetic field and temperature using dc magnetic measurements. Random magnet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::92d2d60d4b6ed2cb3da3eb2bceb0ebac
http://hdl.handle.net/2445/9766

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Particle orientation distribution in Y-Fe2O3magnetic tapes by Mössbauer and hysteresis loop measurements

Autor: Martínez Benjamin, Joan Josep, Labarta, Amílcar, Obradors, Xavier, Tejada Palacios, Javier

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona

The particle orientation in several Y-Fe2O3magnetic tapes has been quantitatively evaluated by using the data of both Mössbauer and hysteresis loop measurements performed in the three orthogonal directions. A texture function has been obtained as a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::711f3c71eabf34d46934f2605223177d
http://hdl.handle.net/2445/8605

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Magnetic interactions, weak ferromagnetism, and field-induced transitions in Nd2NiO4

Autor: Batlle Gelabert, Xavier, Obradors, Xavier, Martínez Benjamin, Joan Josep

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona

The magnetic properties of stoichiometric Nd 2 NiO 4 have been investigated by means of dc- and ac-magnetic-susceptibility and isothermal-magnetization measurements. Five different magnetic phase transitions have been identified and characterized. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f6d7cc4ae16477aa120313e91d7cfcf5
http://hdl.handle.net/2445/9891

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Melt growth and superconducting properties of textured Ag-YBa2 Cu3O7 conductors

Autor: Piñol, S., Puig, T., Martínez Benjamin, Joan Josep, Obradors, Xavier, Chimenos Ribera, Josep Ma.

Publikováno v: Recercat. Dipósit de la Recerca de Catalunya
instname
Dipòsit Digital de la UB
Universidad de Barcelona

Textured Ag foils 200 /spl mu/m thick have been obtained after cold rolling and recrystallization at 800/spl deg/C with a reduction ratio of up to 95%. Subsequently, a thick layer of YBa/sub 2/Cu/sub 3/O/sub 7/ (20 /spl mu/m) has been deposited by sc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::060f6fb3e76e8280e78faef685c69f6f
http://hdl.handle.net/2445/8566

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