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Enhancement of ferr...
Enhancement of ferromagnetic properties in Zn0.95Co0.05O nanoparticles by indium codoping : An experimental and theoretical study
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Jayakumar, O. D. (författare)
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Sudakar, C. (författare)
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- Persson, Clas (författare)
- KTH,Tillämpad materialfysik
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Salunke, H. G. (författare)
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Naik, R. (författare)
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Tyagi, A. K. (författare)
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(creator_code:org_t)
- AIP Publishing, 2010
- 2010
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 97:23, s. 232510-
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Nanoparticles of Zn0.95-xCo0.05InxO (x = 0.0 to 0.07) were synthesized by the pyrolitic reaction of sol-gels obtained from respective metal precursors. X-ray diffraction and high-resolution transmission electron microscopy studies confirm the formation of impurity-free wurtzite type ZnO structure for all the compositions. While pristine ZnO is diamagnetic, Zn0.95Co0.05O nanoparticles show weak paramagnetic behavior at room temperature. When "In." is codoped with Co with x = 0.0 to 0.07 in Zn0.95-xCo0.05InxO, a systematic increase in magnetic moment is observed up to x = 0.07. First-principles modeling supports that the ferromagnetic phase become more favorable at higher indium doping concentrations.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
Nyckelord
- DILUTED MAGNETIC SEMICONDUCTOR
- HIGH-TEMPERATURE FERROMAGNETISM
- DOPED ZNO
- ROOM-TEMPERATURE
- ZINC-OXIDE
- THIN-FILMS
- ZN1-XCOXO
- CO
- PHOTOEMISSION
- SPECTROSCOPY
- Engineering physics
- Teknisk fysik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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