The magnetization in (Zn1-xCox)Ga2O4 (x=0.05, 0.10, and 0.20) diluted magnetic semiconductors depending on Co atoms in tetrahedral and octahedral sites (Articolo in rivista)

Type
Label
  • The magnetization in (Zn1-xCox)Ga2O4 (x=0.05, 0.10, and 0.20) diluted magnetic semiconductors depending on Co atoms in tetrahedral and octahedral sites (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1557/jmr.2014.86 (literal)
Alternative label
  • Can, Musa Mutlu (2014)
    The magnetization in (Zn1-xCox)Ga2O4 (x=0.05, 0.10, and 0.20) diluted magnetic semiconductors depending on Co atoms in tetrahedral and octahedral sites
    in Journal of materials research
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Can, Musa Mutlu (literal)
Pagina inizio
  • 1062 (literal)
Pagina fine
  • 1068 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 29 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Sabanci University; University of Naples Federico II (literal)
Titolo
  • The magnetization in (Zn1-xCox)Ga2O4 (x=0.05, 0.10, and 0.20) diluted magnetic semiconductors depending on Co atoms in tetrahedral and octahedral sites (literal)
Abstract
  • The present study describes magnetic interactions in (Zn1-xCox)Ga2O4 (x = 0.05, 0.10, and 0.20) particles dependant on Co atoms in both tetrahedral and octahedral sites. The effects of substituted Co atoms to magnetic character are analyzed using Curie-Weiss law. The ferromagnetic character is found dominant in (Zn1-xCox)Ga2O4 semiconductors for x values lower than 0.10; in addition, a specific hysteresis with 139 +/- 50 Oe coercivity is observed for 5% Co-doped ZnGa2O4. The high Co amount in tetrahedral site increased the number of antiferromagnetic couplings and the hysteresis at 300 K disappeared for (Zn0.80Co0.20)Ga2O4 particles. Furthermore, the Co+3 ions in the octahedral site decreased mu(eff) values, per Co amounts, in the range of 4.89 +/- 0.01 mu(B)/Co to 4.44 +/- 0.02 mu(B)/Co, because of enhancing paramagnetic behaviors. (literal)
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