Cr doping induced structural, phonon and excitonic properties of ZnO nanoparticles

Pandiyarajan, T.; Karthikeyan, B.

doi:10.1007/s11051-011-0647-x

Cited by 82 publications

(39 citation statements)

References 29 publications

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“…All equation to determine the structural parameters in this work of the ZnO lms in hexagonal wurtzite phase has been reported and are widely referenced. [29][30][31] It can be observed in Table 2, that the interplanar distance d seems stretching and shrinking for all the diffraction planes when the pH increase in the solution. The same behavior can be noted for the lattice parameters a, c and the Zn-O bond length L in Table 3 when the pH increase.…”

Section: Resultsmentioning

confidence: 99%

Physicochemical conditions for ZnO films deposited by microwave chemical bath deposition

et al. 2018

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Section: Resultsmentioning

confidence: 99%

Physicochemical conditions for ZnO films deposited by microwave chemical bath deposition

et al. 2018

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“…Size is very important even in weak confinement regime (Pandiyarajan and Karthikeyan 2012). TEM micrographs depict that the prepared particles are in weak confinement regime.…”

Section: ¼ Kk=b Cos Hmentioning

confidence: 99%

Enhanced magnetism in Cr-doped ZnO nanoparticles with nitrogen co-doping synthesized using sol–gel technique

et al. 2014

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Pure ZnO and 2 % Cr-doped ZnO nanoparticles were synthesized by sol-gel technique. Powder X-ray diffraction reveals that Cr incorporates into the ZnO crystal lattice without disturbing the original hexagonal structure. Transmission electron microscopy measurements show that the average size of these nanoparticles is in the range 20-25 nm. Pure ZnO nanoparticles exhibit diamagnetism while Cr-doped ZnO exhibit saturated hysteresis loop at room temperature indicating ferromagnetic behavior. Nitrogen co-doping along with Cr in ZnO shows enhanced ferromagnetism with small antiferromagnetism.

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“…Semiconductor particles having size greater than ''Bohr radius'' are coming under weak confinement regime. Size is very important even in weak confinement regime (Pandiyarajan and Karthikeyan 2012). TEM micrographs (Fig.…”

Section: Resultsmentioning

confidence: 99%

Tuning ferromagnetism in zinc oxide nanoparticles by chromium doping

et al. 2015

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Zn 1-x Cr x O nanoparticles with x = 0.0, 0.01, 0.03 and 0.05 were synthesized by the sol-gel technique. Powder X-ray diffraction (XRD) studies reveal that chromium (Cr) incorporates into the ZnO crystal lattice without disturbing the parent hexagonal (wurtzite) structure. Transmission electron microscopy (TEM) measurements show that the average size of these nanoparticles is in the range 15-25 nm. Optical absorption studies show that the band gap of ZnO nanoparticles varies with Cr doping. Photoluminescence (PL) studies depict the presence of defects in Cr-doped nanoparticles. Undoped ZnO exhibits diamagnetic behavior while Cr-doped ZnO samples exhibit weak ferromagnetism to anti-ferromagnetism depending on the Cr content.

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Cr doping induced structural, phonon and excitonic properties of ZnO nanoparticles

Cited by 82 publications

References 29 publications

Physicochemical conditions for ZnO films deposited by microwave chemical bath deposition

Physicochemical conditions for ZnO films deposited by microwave chemical bath deposition

Enhanced magnetism in Cr-doped ZnO nanoparticles with nitrogen co-doping synthesized using sol–gel technique

Tuning ferromagnetism in zinc oxide nanoparticles by chromium doping

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