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Pregled bibliografske jedinice broj: 259440

Co-Doped (La, Sr)TiO_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization


Herranz, Gervasi; Ranchal, Rocio; Bibes, Manuel; Jaffres, Henri; Jacquet, E.; Maurice, Jean-Luc; Bouzehouane, Karim; Wyczisk, F.; Tafra, Emil; Basletić, Mario et al.
Co-Doped (La, Sr)TiO_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization // Physical Review Letters, 96 (2006), 2; 027207-1 doi:10.1103/PhysRevLett.96.027207 (međunarodna recenzija, članak, znanstveni)


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Naslov
Co-Doped (La, Sr)TiO_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization

Autori
Herranz, Gervasi ; Ranchal, Rocio ; Bibes, Manuel ; Jaffres, Henri ; Jacquet, E. ; Maurice, Jean-Luc ; Bouzehouane, Karim ; Wyczisk, F. ; Tafra, Emil ; Basletić, Mario ; Hamzić, Amir ; Colliex, C. ; Contour, Jean-Pierre ; Barthelemy, Agnes ; Fert, Albert

Izvornik
Physical Review Letters (0031-9007) 96 (2006), 2; 027207-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
spintronics; tunnel magnetoresistance; spin polarization; half-metallic ferromagnets

Sažetak
We report on tunneling magnetoresistance (TMR) experiments that demonstrate the existence of a significant spin polarization in Co-doped (La, Sr)TiO_(3-x) (Co-LSTO), a ferromagnetic diluted magnetic oxide system (DMOS) with high Curie temperature. These TMR experiments have been performed on magnetic tunnel junctions associating Co-LSTO and Co electrodes. Extensive structural analysis of Co-LSTO combining high-resolution transmission electron microscopy and Auger electron spectroscopy excluded the presence of Co clusters in the Co-LSTO layer and thus, the measured ferromagnetism and high spin polarization are intrinsic properties of this DMOS. Our results argue for the DMOS approach with complex oxide materials in spintronics.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekti:
0119251

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Emil Tafra (autor)

Avatar Url Amir Hamzić (autor)

Avatar Url Mario Basletić (autor)

Citiraj ovu publikaciju

Herranz, Gervasi; Ranchal, Rocio; Bibes, Manuel; Jaffres, Henri; Jacquet, E.; Maurice, Jean-Luc; Bouzehouane, Karim; Wyczisk, F.; Tafra, Emil; Basletić, Mario et al.
Co-Doped (La, Sr)TiO_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization // Physical Review Letters, 96 (2006), 2; 027207-1 doi:10.1103/PhysRevLett.96.027207 (međunarodna recenzija, članak, znanstveni)
Herranz, G., Ranchal, R., Bibes, M., Jaffres, H., Jacquet, E., Maurice, J., Bouzehouane, K., Wyczisk, F., Tafra, E. & Basletić, M. (2006) Co-Doped (La, Sr)TiO_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization. Physical Review Letters, 96 (2), 027207-1 doi:10.1103/PhysRevLett.96.027207.
@article{article, year = {2006}, pages = {027207-1-027207-4}, DOI = {10.1103/PhysRevLett.96.027207}, keywords = {spintronics, tunnel magnetoresistance, spin polarization, half-metallic ferromagnets}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.96.027207}, volume = {96}, number = {2}, issn = {0031-9007}, title = {Co-Doped (La, Sr)TiO\_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization}, keyword = {spintronics, tunnel magnetoresistance, spin polarization, half-metallic ferromagnets} }
@article{article, year = {2006}, pages = {027207-1-027207-4}, DOI = {10.1103/PhysRevLett.96.027207}, keywords = {spintronics, tunnel magnetoresistance, spin polarization, half-metallic ferromagnets}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.96.027207}, volume = {96}, number = {2}, issn = {0031-9007}, title = {Co-Doped (La, Sr)TiO\_(3-x) A High Curie Temperature Diluted Magnetic System with Large Spin Polarization}, keyword = {spintronics, tunnel magnetoresistance, spin polarization, half-metallic ferromagnets} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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