Phonon spectra and magnetic behaviors of hydrothermally synthesized Sm-doped ZnO nanorods

C. C. Lin, S. L. Young, C. Y. Kung, Lance Horng, H. Z. Chen, M. C. Kao, Yu-Tai Shih, C. R. Ou

Research output: Contribution to journalArticle

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Abstract

Herein one-dimensional Sm-doped ZnO nanostructures have been successfully fabricated by a simple hydrothermal method at a low temperature of 90 °C. The effect of Sm doping on the microstructure, photoluminescence and magnetism of ZnO nanorods is also investigated. FE-SEM images show that the average diameter of the Sm-doped ZnO nanorods is obviously smaller than that of ZnO nanorods. Photoluminescence spectrum of Sm-doped ZnO nanorods shows a slightly red-shifted decrease of UV emission and an enhancement of photoluminescence performance of visible emission. Raman spectrum of Sm-doped ZnO nanorods reveals that the peak intensity corresponding to the E2 high mode decreases significantly compared with that of the pure ZnO nanorods, indicating the restraint of crystallization. Room temperature ferromagnetism is observed from magnetization curves of both ZnO and Sm-doped ZnO nanorods. The increase of the saturation magnetization induced by the Sm doping in the ZnO nanorods reveals an association with the increase of oxygen vacancies and oxygen interstitials.

Original languageEnglish
Pages (from-to)178-181
Number of pages4
JournalVacuum
Volume87
DOIs
Publication statusPublished - 2013 Jan 1

Fingerprint

Nanorods
nanorods
Photoluminescence
photoluminescence
Doping (additives)
magnetization
Ferromagnetism
Magnetism
oxygen
Oxygen vacancies
Saturation magnetization
Crystallization
ferromagnetism
Raman scattering
Nanostructures
Magnetization
interstitials
crystallization
Raman spectra
Oxygen

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Condensed Matter Physics
  • Surfaces, Coatings and Films

Cite this

Lin, C. C., Young, S. L., Kung, C. Y., Horng, L., Chen, H. Z., Kao, M. C., ... Ou, C. R. (2013). Phonon spectra and magnetic behaviors of hydrothermally synthesized Sm-doped ZnO nanorods. Vacuum, 87, 178-181. https://doi.org/10.1016/j.vacuum.2012.04.010
Lin, C. C. ; Young, S. L. ; Kung, C. Y. ; Horng, Lance ; Chen, H. Z. ; Kao, M. C. ; Shih, Yu-Tai ; Ou, C. R. / Phonon spectra and magnetic behaviors of hydrothermally synthesized Sm-doped ZnO nanorods. In: Vacuum. 2013 ; Vol. 87. pp. 178-181.
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Phonon spectra and magnetic behaviors of hydrothermally synthesized Sm-doped ZnO nanorods. / Lin, C. C.; Young, S. L.; Kung, C. Y.; Horng, Lance; Chen, H. Z.; Kao, M. C.; Shih, Yu-Tai; Ou, C. R.

In: Vacuum, Vol. 87, 01.01.2013, p. 178-181.

Research output: Contribution to journalArticle

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AU - Young, S. L.

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AU - Kao, M. C.

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AB - Herein one-dimensional Sm-doped ZnO nanostructures have been successfully fabricated by a simple hydrothermal method at a low temperature of 90 °C. The effect of Sm doping on the microstructure, photoluminescence and magnetism of ZnO nanorods is also investigated. FE-SEM images show that the average diameter of the Sm-doped ZnO nanorods is obviously smaller than that of ZnO nanorods. Photoluminescence spectrum of Sm-doped ZnO nanorods shows a slightly red-shifted decrease of UV emission and an enhancement of photoluminescence performance of visible emission. Raman spectrum of Sm-doped ZnO nanorods reveals that the peak intensity corresponding to the E2 high mode decreases significantly compared with that of the pure ZnO nanorods, indicating the restraint of crystallization. Room temperature ferromagnetism is observed from magnetization curves of both ZnO and Sm-doped ZnO nanorods. The increase of the saturation magnetization induced by the Sm doping in the ZnO nanorods reveals an association with the increase of oxygen vacancies and oxygen interstitials.

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