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http://hdl.handle.net/10397/2455
| Title: | Magnetic and luminescent properties of multifunctional GdF₃: Eu³⁺ nanoparticles | Authors: | Wong, HT Chan, HLW Hao, JH |
Issue Date: | 13-Jul-2009 | Source: | Applied physics letters, 13 July, 2009, v. 95, no. 2, 022512, p. 1-3 | Abstract: | Multifunctional GdF₃: Eu³⁺ nanoparticles were synthesized using a hydrothermal method. Photoluminescent excitation and emission spectra, and lifetime were measured. The average lifetime of the nanoparticles is about 11 ms. The nanoparticle exhibits paramagnetism at both 293 and 77 K, ascribing to noninteracting localized nature of the magnetic moment in the compound. The magnetic properties of GdF₃: Eu³⁺ is intrinsic to the Gd³⁺ ions, which is unaffected by the doping concentration of the Eu³⁺ luminescent centers. A measured magnetization of approximately 2 emu/g is close to reported values of other nanoparticles for bioseparation. | Keywords: | Emission spectroscopy Europium Gadolinium Luminescence Magnetic moments Magnetic properties Paramagnetism |
Publisher: | American Institute of Physics | Journal: | Applied physics letters | ISSN: | 0003-6951 | EISSN: | 1077-3118 | DOI: | 10.1063/1.3177194 | Rights: | © 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in H.T. Wong, H.L.W. Chan and J.H. Hao, Appl. Phys. Lett. 95, 022512 (2009) and may be found at http://apl.aip.org/resource/1/applab/v95/i2/p022512_s1 |
| Appears in Collections: | Journal/Magazine Article |
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