FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2151322862> ?p ?o ?g. }

• W2151322862 endingPage "2386" @default.
• W2151322862 startingPage "2373" @default.
• W2151322862 abstract "Abstract The electronic structure and magnetic properties of cobalt‐doped (7.5%) and manganese co‐doped (2.5%) ZnO polycrystalline samples have been investigated to understand the mechanism of room temperature ferromagnetism (RTFM) in dilute magnetic semiconductors. The samples in powder form were annealed in argon and hydrogen atmospheres followed by their repressing into pellets and reheating in air. Rietveld analysis of X‐ray diffraction patterns confirmed the single‐phase nature of the samples in the wurtzite type hexagonal ( P 6 3 mc ) ZnO structure. The X‐ray photoelectron spectroscopy (XPS) results indicate that the Co and Mn atoms are in +2 oxidation states, which incorporate at the Zn 2+ site, with no signature of metallic clusters. The Co‐doped sample prepared in air displays a paramagnetic state while the sample annealed in Ar atmosphere shows a weak ferromagnetic ordering at 300 K. The co‐doping of Mn further enhances the ferromagnetic ordering, indicating that Co and Mn ions play an additive role in inducing the ferromagnetic ordering in the ZnO matrix. Interestingly, the Co‐ and (Co + Mn)‐doped ZnO samples annealed in hydrogen atmosphere show a huge increment in the magnetic moment, however, the Mn ions seem to stay passive towards the hydrogen induced magnetization. Notably, the samples reheated in air show suppression of the induced ferromagnetism (FM). The resistance measurements suggest that the additional carriers induced upon hydrogenation also play some role in mediating the exchange coupling. The O 1s XPS and the XRD results show clear evidence of oxygen depletion in the samples upon hydrogenation, followed by a recovery upon their reheating in air. The observed FM is explained in terms of composite effect of the oxygen vacancies and the carrier density. Our results point out that the ferromagnetic ordering could be switched between ‘on’ and ‘off’ by introducing (through hydrogenation) and by removing (through reheating in air) the oxygen vacancies in Co‐doped ZnO." @default.
• W2151322862 created "2016-06-24" @default.
• W2151322862 creator A5015515165 @default.
• W2151322862 creator A5019826426 @default.
• W2151322862 creator A5021684480 @default.
• W2151322862 creator A5043664747 @default.
• W2151322862 creator A5068753300 @default.
• W2151322862 creator A5075540979 @default.
• W2151322862 creator A5088295179 @default.
• W2151322862 creator A5089567570 @default.
• W2151322862 date "2010-07-09" @default.
• W2151322862 modified "2023-10-09" @default.
• W2151322862 title "Switch ‘on’ and ‘off’ ferromagnetic ordering through the induction and removal of oxygen vacancies and carriers in doped ZnO: A magnetization and electronic structure study" @default.
• W2151322862 cites W1549548166 @default.
• W2151322862 cites W1552345420 @default.
• W2151322862 cites W1584991856 @default.
• W2151322862 cites W1608811711 @default.
• W2151322862 cites W1624504905 @default.
• W2151322862 cites W1637294228 @default.
• W2151322862 cites W1667397874 @default.
• W2151322862 cites W1963545239 @default.
• W2151322862 cites W1968712005 @default.
• W2151322862 cites W1969200114 @default.
• W2151322862 cites W1969619515 @default.
• W2151322862 cites W1974366222 @default.
• W2151322862 cites W1976762174 @default.
• W2151322862 cites W1979325229 @default.
• W2151322862 cites W1983206141 @default.
• W2151322862 cites W1987890764 @default.
• W2151322862 cites W1991388146 @default.
• W2151322862 cites W1994054011 @default.
• W2151322862 cites W1998124425 @default.
• W2151322862 cites W1999470720 @default.
• W2151322862 cites W2004703578 @default.
• W2151322862 cites W2007244811 @default.
• W2151322862 cites W2008805775 @default.
• W2151322862 cites W2009946636 @default.
• W2151322862 cites W2019326057 @default.
• W2151322862 cites W2021981343 @default.
• W2151322862 cites W2023409924 @default.
• W2151322862 cites W2032677700 @default.
• W2151322862 cites W2032843489 @default.
• W2151322862 cites W2038202997 @default.
• W2151322862 cites W2039558480 @default.
• W2151322862 cites W2040757216 @default.
• W2151322862 cites W2040850509 @default.
• W2151322862 cites W2049515369 @default.
• W2151322862 cites W2050302010 @default.
• W2151322862 cites W2055614999 @default.
• W2151322862 cites W2057770019 @default.
• W2151322862 cites W2059152723 @default.
• W2151322862 cites W2062973914 @default.
• W2151322862 cites W2063555262 @default.
• W2151322862 cites W2067154584 @default.
• W2151322862 cites W2070297733 @default.
• W2151322862 cites W2070949091 @default.
• W2151322862 cites W2078422531 @default.
• W2151322862 cites W2079591592 @default.
• W2151322862 cites W2087388196 @default.
• W2151322862 cites W2087631162 @default.
• W2151322862 cites W2089057983 @default.
• W2151322862 cites W2090935114 @default.
• W2151322862 cites W2091833434 @default.
• W2151322862 cites W2093271729 @default.
• W2151322862 cites W2094275418 @default.
• W2151322862 cites W2150314106 @default.
• W2151322862 cites W2261963873 @default.
• W2151322862 cites W2315213192 @default.
• W2151322862 cites W2592738819 @default.
• W2151322862 cites W3105046133 @default.
• W2151322862 doi "https://doi.org/10.1002/pssa.200925637" @default.
• W2151322862 hasPublicationYear "2010" @default.
• W2151322862 type Work @default.
• W2151322862 sameAs 2151322862 @default.
• W2151322862 citedByCount "25" @default.
• W2151322862 countsByYear W21513228622012 @default.
• W2151322862 countsByYear W21513228622013 @default.
• W2151322862 countsByYear W21513228622015 @default.
• W2151322862 countsByYear W21513228622018 @default.
• W2151322862 countsByYear W21513228622019 @default.
• W2151322862 countsByYear W21513228622020 @default.
• W2151322862 countsByYear W21513228622021 @default.
• W2151322862 countsByYear W21513228622023 @default.
• W2151322862 crossrefType "journal-article" @default.
• W2151322862 hasAuthorship W2151322862A5015515165 @default.
• W2151322862 hasAuthorship W2151322862A5019826426 @default.
• W2151322862 hasAuthorship W2151322862A5021684480 @default.
• W2151322862 hasAuthorship W2151322862A5043664747 @default.
• W2151322862 hasAuthorship W2151322862A5068753300 @default.
• W2151322862 hasAuthorship W2151322862A5075540979 @default.
• W2151322862 hasAuthorship W2151322862A5088295179 @default.
• W2151322862 hasAuthorship W2151322862A5089567570 @default.
• W2151322862 hasConcept C113196181 @default.
• W2151322862 hasConcept C115260700 @default.
• W2151322862 hasConcept C115624301 @default.
• W2151322862 hasConcept C115645028 @default.
• W2151322862 hasConcept C121332964 @default.
• W2151322862 hasConcept C124712363 @default.

• next