Sample records for MATERIALES ANTIFERROMAGNETICOS (antiferromagnetic materials)
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3

Surface magnetism in ZnO/Co3O4 mixtures

García, Miguel A.; Jiménez-Villacorta, Félix; Quesada, Adrián; Venta, J. de la; Carmona, N.; Lorite, Israel; Llopis, J.; Fernández Lozano, José Francisco
2010-02-23

Digital.CSIC (Spain)

5

Spin reversal and magnetization jumps in ErMexMn1 xO3 perovskites (Me ¼ Ni, Co)

Peña, O.; Antunes, A.B.; Baibich, M.N.; Lisboa-Filh, P.N.; Gil, V.; Moure, C.
2007-01-01

Digital.CSIC (Spain)

6

Room-temperature ferromagnetism in the mixtures of the TiO2 and Co3O4 powders

Serrano, A. ; Fernández Pinel, E. ; Quesada, Adrian ; Lorite, I. ; Plaza, M. ; Pérez, L. ; Jiménez-Villacorta, F.

We report here the observation of ferromagnetism (FM) at 300 K in mixtures of TiO2 and Co3O4 powders despite the antiferromagnetic and diamagnetic characters of both oxides, respectively. The ferromagnetic behavior is found in the early stages of reaction and only for TiO2 in anatase structure; no F...

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7

Room-temperature ferromagnetism in the mixtures of the TiO2 and Co3O4 powders

Serrano, A.; Fernández Pinel, E.; Quesada, Adrián; Lorite, Israel; Plaza, M.; Pérez, L.; Jiménez-Villacorta, F.; Venta, J. de la; Martín-González, Marisol S.; Costa Krämer, José Luis; Fernández Lozano, José Francisco; Llopis, J.; García, Miguel A.
2009-04-03

Digital.CSIC (Spain)

8

Proofs of the Coexistence of Two Magnetic Contributions in Pure and Doped CaCu3Ti4O12 Giant Dielectric Constant Ceramics

Fernández Lozano, José Francisco; Leret, Pilar; Romero Fanego, Juan José; Frutos, J. de; Rubia, Miguel Ángel de la; Martín-González, Marisol S.; Costa Krämer, José Luis; García Fierro, José Luis; Quesada, Adrián; García, Miguel Ángel
2009-10-01

Digital.CSIC (Spain)

9

Observation of Co/CoO nanoparticles below the critical size for exchange bias

Dobrynin, A. N.; Temst, K.; Lievens, P.; Margueritat, J.; Gonzalo de los Reyes, José; Afonso, Carmen N.; Piscopiello, E.; Van Tendeloo, G.
2007-06-11

Digital.CSIC (Spain)

10

Magnetotherma properties of molecule-based materials

Evangelisti, M.; Luis, F.; de Jongh, L. J.; Affronte, M.
2006-03-14

Digital.CSIC (Spain)

11

Magnetic properties of spinel-type oxides NiMn2-xMexO4

Gautier, J.L.; Moure Jiménez, Carlos; Bodenez, V.; Cailleaux, X.; Ortiz, J.; Peña, O.; Piriou, B.; Zúñiga, G.; Lisboa-Filho, P.N.
2005-01-01

Digital.CSIC (Spain)

12

Magnetic domains and anisotropy in single crystals of Er(Co,Mn)O3

Antunes, A.B.; Ceretti, M.; Paulus, W.; Roisnel, T.; Gil, V.; Moure Jiménez, Carlos; Peña, O.
2008-01-01

Digital.CSIC (Spain)

13

Magnetic and crystal structures of Er5(SixGe1−x)4

Ritter, C.; Magen, C.; Morellón, Luis; Algarabel, Pedro A.; Ibarra, M. Ricardo; Pecharsky, V. K.; Tsokol, A. O.; Gschneidner Jr., K. A.
2006-04-26

Digital.CSIC (Spain)

14

Iron oxide and oxide-hydroxide nanoparticles in organic-inorganic matrices

Silva, Nuno Joâo O.; Millán, Ángel; Amaral, Vitor S.; Palacio, Fernando; Fu, Lianshe; Carlos, Luis D.; Zea Bermúdez, V. de
2006-05-01

Digital.CSIC (Spain)

15

Interlayer exchange coupling in digital magnetic alloys

Men'shov, V. N. ; Tugushev, V. V. ; Echenique, Pedro M. ; Caprara, S. ; Chulkov, Eugene V.

11 pages, 3 figures.-- PACS nrs.: 73.40.Sx, 75.70.-i. | We discuss possible mechanisms for indirect exchange between ferromagnetic δ layers of transition metal inserted into a semiconducting host, taking into account the role of carrier confinement at these layers. We show that the Ruderman-Kittel-K...

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16

Interlayer exchange coupling in digital magnetic alloys

Men'shov, V. N.; Tugushev, V. V.; Echenique, Pedro M.; Caprara, S.; Chulkov, Eugene V.
2008-07-29

Digital.CSIC (Spain)

17

Inter-network magnetic interactions in GdMexMn1 xO3 perovskites (Me ¼ transition metal)

Peña, O.; Antunes, A.B.; Martínez, G.; Gil, V.; mOURE, C.
2007-01-01

Digital.CSIC (Spain)

19

Half-metallic finite zigzag single-walled carbon nanotubes from first principles

Mañanes, A. ; Duque, F. ; Ayuela, Andrés ; López, M. J. ; Alonso, J. A.

10 pages, 15 figures.-- PACS nrs.: 73.22.-f, 75.75.+a, 72.80.Rj, 85.75.-d. | Density-functional calculations predict half-metallicity in zigzag single-walled carbon nanotubes of finite length with the two ends saturated with hydrogen. We have analyzed the change of the α- and β-spin electronic gaps ...

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20

Half-metallic finite zigzag single-walled carbon nanotubes from first principles

Mañanes, A.; Duque, F.; Ayuela, Andrés; López, M. J.; Alonso, J. A.
2008-07-17

Digital.CSIC (Spain)

21

Exchange bias in laterally oxidized Au/Co/Au nanopillars

Balcells Argemi, Lluis ; Martínez, B. ; Iglesias, O. ; García-Martín, J.M. ; Cebollada, Alfonso ; García, A.

Au/Co/Au nanopillars fabricated by colloidal lithography of continuous trilayers exhibit an enhanced coercive field and the appearance of an exchange bias field with respect to the continuous layers. This is attributed to the lateral oxidation of the Co interlayer that appears upon disk fabrication....

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22

Exchange bias in laterally oxidized Au/Co/Au nanopillars

Balcells Argemi, Lluis; Martínez Perea, Benjamín; Iglesias, O.; García-Martín, José Miguel; Cebollada, Alfonso; García-Martín, Antonio; Armelles Reig, Gaspar; Sepúlveda Martínez, Borja; Alaverdyan, Yury
2009-02-09

Digital.CSIC (Spain)

23

Emergence of noncollinear anisotropies from interfacial magnetic frustration in exchange-bias systems

Jiménez, E.; Camarero, Julio; Sort, J.; Nogués, J.; Mikuszeit, N.; García-Martín, José Miguel; Hoffmann, A.
2009-07-15

Digital.CSIC (Spain)

24

Detailed neutron study of the crossover from long-range to short-range magnetic ordering in (Nd1−xTbx)0.55Sr0.45MnO3 manganites

Teresa, José María de; Ritter, C.; Algarabel, Pedro A.; Yusuf, S. M.; Blasco, Javier; Kumar, Amit; Marquina, Clara; Ibarra, M. Ricardo
2006-12-01

Digital.CSIC (Spain)

25

Co3(RL)2(hfac)6 ladder complex of 5-[4-(N-tert-Butyl-N-aminoxyl)phenyl]pyrimidine

Field, Lora M.; Morón, M. Carmen; Lahti, Paul M.; Palacio, Fernando; Paduan-Filho, Armando; Oliveira Jr., Nei F.
2006-02-01

Digital.CSIC (Spain)

26

A Hexacarboxylic Open-shell Building Block: Synthesis, Structure and Magnetism of a Three-Dimensional Metal-Radical Framework.

Roques, Nans; Maspoch, Daniel; Luis, F.; Camon, Agustin; Wurst, Klaus; Datcu, Angela; Rovira, Concepcio; Ruiz-Molina, Daniel; Veciana Miró, Jaume
2008-01-01

Digital.CSIC (Spain)